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coopgo/node_modules/slate-react/dist/index.es.js
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JavaScript

import getDirection from 'direction';
import debounce from 'lodash/debounce';
import throttle from 'lodash/throttle';
import React, { useLayoutEffect, useEffect, useRef, useState, memo, forwardRef, createContext, useContext, useCallback, Component, useReducer, useMemo } from 'react';
import scrollIntoView from 'scroll-into-view-if-needed';
import { Editor, Scrubber, Transforms, Range, Element as Element$1, Path, Node, Text as Text$1, Point } from 'slate';
import { ResizeObserver } from '@juggle/resize-observer';
import { isKeyHotkey } from 'is-hotkey';
import ReactDOM from 'react-dom';
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function _objectWithoutPropertiesLoose(source, excluded) {
if (source == null) return {};
var target = {};
var sourceKeys = Object.keys(source);
var key, i;
for (i = 0; i < sourceKeys.length; i++) {
key = sourceKeys[i];
if (excluded.indexOf(key) >= 0) continue;
target[key] = source[key];
}
return target;
}
function _objectWithoutProperties(source, excluded) {
if (source == null) return {};
var target = _objectWithoutPropertiesLoose(source, excluded);
var key, i;
if (Object.getOwnPropertySymbols) {
var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
for (i = 0; i < sourceSymbolKeys.length; i++) {
key = sourceSymbolKeys[i];
if (excluded.indexOf(key) >= 0) continue;
if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
target[key] = source[key];
}
}
return target;
}
/**
* An auto-incrementing identifier for keys.
*/
var n = 0;
/**
* A class that keeps track of a key string. We use a full class here because we
* want to be able to use them as keys in `WeakMap` objects.
*/
class Key {
constructor() {
this.id = "".concat(n++);
}
}
/**
* Two weak maps that allow us rebuild a path given a node. They are populated
* at render time such that after a render occurs we can always backtrack.
*/
var NODE_TO_INDEX = new WeakMap();
var NODE_TO_PARENT = new WeakMap();
/**
* Weak maps that allow us to go between Slate nodes and DOM nodes. These
* are used to resolve DOM event-related logic into Slate actions.
*/
var EDITOR_TO_WINDOW = new WeakMap();
var EDITOR_TO_ELEMENT = new WeakMap();
var EDITOR_TO_PLACEHOLDER_ELEMENT = new WeakMap();
var ELEMENT_TO_NODE = new WeakMap();
var NODE_TO_ELEMENT = new WeakMap();
var NODE_TO_KEY = new WeakMap();
var EDITOR_TO_KEY_TO_ELEMENT = new WeakMap();
/**
* Weak maps for storing editor-related state.
*/
var IS_READ_ONLY = new WeakMap();
var IS_FOCUSED = new WeakMap();
var IS_COMPOSING = new WeakMap();
var EDITOR_TO_USER_SELECTION = new WeakMap();
/**
* Weak map for associating the context `onChange` context with the plugin.
*/
var EDITOR_TO_ON_CHANGE = new WeakMap();
/**
* Weak maps for saving pending state on composition stage.
*/
var EDITOR_TO_SCHEDULE_FLUSH = new WeakMap();
var EDITOR_TO_PENDING_INSERTION_MARKS = new WeakMap();
var EDITOR_TO_USER_MARKS = new WeakMap();
/**
* Android input handling specific weak-maps
*/
var EDITOR_TO_PENDING_DIFFS = new WeakMap();
var EDITOR_TO_PENDING_ACTION = new WeakMap();
var EDITOR_TO_PENDING_SELECTION = new WeakMap();
var EDITOR_TO_FORCE_RENDER = new WeakMap();
/**
* Symbols.
*/
var PLACEHOLDER_SYMBOL = Symbol('placeholder');
var MARK_PLACEHOLDER_SYMBOL = Symbol('mark-placeholder');
/**
* Types.
*/
var DOMText = globalThis.Text;
/**
* Returns the host window of a DOM node
*/
var getDefaultView = value => {
return value && value.ownerDocument && value.ownerDocument.defaultView || null;
};
/**
* Check if a DOM node is a comment node.
*/
var isDOMComment = value => {
return isDOMNode(value) && value.nodeType === 8;
};
/**
* Check if a DOM node is an element node.
*/
var isDOMElement = value => {
return isDOMNode(value) && value.nodeType === 1;
};
/**
* Check if a value is a DOM node.
*/
var isDOMNode = value => {
var window = getDefaultView(value);
return !!window && value instanceof window.Node;
};
/**
* Check if a value is a DOM selection.
*/
var isDOMSelection = value => {
var window = value && value.anchorNode && getDefaultView(value.anchorNode);
return !!window && value instanceof window.Selection;
};
/**
* Check if a DOM node is an element node.
*/
var isDOMText = value => {
return isDOMNode(value) && value.nodeType === 3;
};
/**
* Checks whether a paste event is a plaintext-only event.
*/
var isPlainTextOnlyPaste = event => {
return event.clipboardData && event.clipboardData.getData('text/plain') !== '' && event.clipboardData.types.length === 1;
};
/**
* Normalize a DOM point so that it always refers to a text node.
*/
var normalizeDOMPoint = domPoint => {
var [node, offset] = domPoint; // If it's an element node, its offset refers to the index of its children
// including comment nodes, so try to find the right text child node.
if (isDOMElement(node) && node.childNodes.length) {
var isLast = offset === node.childNodes.length;
var index = isLast ? offset - 1 : offset;
[node, index] = getEditableChildAndIndex(node, index, isLast ? 'backward' : 'forward'); // If the editable child found is in front of input offset, we instead seek to its end
isLast = index < offset; // If the node has children, traverse until we have a leaf node. Leaf nodes
// can be either text nodes, or other void DOM nodes.
while (isDOMElement(node) && node.childNodes.length) {
var i = isLast ? node.childNodes.length - 1 : 0;
node = getEditableChild(node, i, isLast ? 'backward' : 'forward');
} // Determine the new offset inside the text node.
offset = isLast && node.textContent != null ? node.textContent.length : 0;
} // Return the node and offset.
return [node, offset];
};
/**
* Determines wether the active element is nested within a shadowRoot
*/
var hasShadowRoot = node => {
var parent = node && node.parentNode;
while (parent) {
if (parent.toString() === '[object ShadowRoot]') {
return true;
}
parent = parent.parentNode;
}
return false;
};
/**
* Get the nearest editable child and index at `index` in a `parent`, preferring
* `direction`.
*/
var getEditableChildAndIndex = (parent, index, direction) => {
var {
childNodes
} = parent;
var child = childNodes[index];
var i = index;
var triedForward = false;
var triedBackward = false; // While the child is a comment node, or an element node with no children,
// keep iterating to find a sibling non-void, non-comment node.
while (isDOMComment(child) || isDOMElement(child) && child.childNodes.length === 0 || isDOMElement(child) && child.getAttribute('contenteditable') === 'false') {
if (triedForward && triedBackward) {
break;
}
if (i >= childNodes.length) {
triedForward = true;
i = index - 1;
direction = 'backward';
continue;
}
if (i < 0) {
triedBackward = true;
i = index + 1;
direction = 'forward';
continue;
}
child = childNodes[i];
index = i;
i += direction === 'forward' ? 1 : -1;
}
return [child, index];
};
/**
* Get the nearest editable child at `index` in a `parent`, preferring
* `direction`.
*/
var getEditableChild = (parent, index, direction) => {
var [child] = getEditableChildAndIndex(parent, index, direction);
return child;
};
/**
* Get a plaintext representation of the content of a node, accounting for block
* elements which get a newline appended.
*
* The domNode must be attached to the DOM.
*/
var getPlainText = domNode => {
var text = '';
if (isDOMText(domNode) && domNode.nodeValue) {
return domNode.nodeValue;
}
if (isDOMElement(domNode)) {
for (var childNode of Array.from(domNode.childNodes)) {
text += getPlainText(childNode);
}
var display = getComputedStyle(domNode).getPropertyValue('display');
if (display === 'block' || display === 'list' || domNode.tagName === 'BR') {
text += '\n';
}
}
return text;
};
/**
* Get x-slate-fragment attribute from data-slate-fragment
*/
var catchSlateFragment = /data-slate-fragment="(.+?)"/m;
var getSlateFragmentAttribute = dataTransfer => {
var htmlData = dataTransfer.getData('text/html');
var [, fragment] = htmlData.match(catchSlateFragment) || [];
return fragment;
};
/**
* Check whether a mutation originates from a editable element inside the editor.
*/
var isTrackedMutation = (editor, mutation, batch) => {
var {
target
} = mutation;
if (isDOMElement(target) && target.matches('[contentEditable="false"]')) {
return false;
}
var {
document
} = ReactEditor.getWindow(editor);
if (document.contains(target)) {
return ReactEditor.hasDOMNode(editor, target, {
editable: true
});
}
var parentMutation = batch.find(_ref => {
var {
addedNodes,
removedNodes
} = _ref;
for (var node of addedNodes) {
if (node === target || node.contains(target)) {
return true;
}
}
for (var _node of removedNodes) {
if (_node === target || _node.contains(target)) {
return true;
}
}
});
if (!parentMutation || parentMutation === mutation) {
return false;
} // Target add/remove is tracked. Track the mutation if we track the parent mutation.
return isTrackedMutation(editor, parentMutation, batch);
};
var IS_REACT_VERSION_17_OR_ABOVE = parseInt(React.version.split('.')[0], 10) >= 17;
var IS_IOS = typeof navigator !== 'undefined' && typeof window !== 'undefined' && /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
var IS_APPLE = typeof navigator !== 'undefined' && /Mac OS X/.test(navigator.userAgent);
var IS_ANDROID = typeof navigator !== 'undefined' && /Android/.test(navigator.userAgent);
var IS_FIREFOX = typeof navigator !== 'undefined' && /^(?!.*Seamonkey)(?=.*Firefox).*/i.test(navigator.userAgent);
var IS_SAFARI = typeof navigator !== 'undefined' && /Version\/[\d\.]+.*Safari/.test(navigator.userAgent); // "modern" Edge was released at 79.x
var IS_EDGE_LEGACY = typeof navigator !== 'undefined' && /Edge?\/(?:[0-6][0-9]|[0-7][0-8])(?:\.)/i.test(navigator.userAgent);
var IS_CHROME = typeof navigator !== 'undefined' && /Chrome/i.test(navigator.userAgent); // Native `beforeInput` events don't work well with react on Chrome 75
// and older, Chrome 76+ can use `beforeInput` though.
var IS_CHROME_LEGACY = typeof navigator !== 'undefined' && /Chrome?\/(?:[0-7][0-5]|[0-6][0-9])(?:\.)/i.test(navigator.userAgent);
var IS_ANDROID_CHROME_LEGACY = IS_ANDROID && typeof navigator !== 'undefined' && /Chrome?\/(?:[0-5]?\d)(?:\.)/i.test(navigator.userAgent); // Firefox did not support `beforeInput` until `v87`.
var IS_FIREFOX_LEGACY = typeof navigator !== 'undefined' && /^(?!.*Seamonkey)(?=.*Firefox\/(?:[0-7][0-9]|[0-8][0-6])(?:\.)).*/i.test(navigator.userAgent); // UC mobile browser
var IS_UC_MOBILE = typeof navigator !== 'undefined' && /.*UCBrowser/.test(navigator.userAgent); // Wechat browser
var IS_WECHATBROWSER = typeof navigator !== 'undefined' && /.*Wechat/.test(navigator.userAgent); // Check if DOM is available as React does internally.
// https://github.com/facebook/react/blob/master/packages/shared/ExecutionEnvironment.js
var CAN_USE_DOM = !!(typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined'); // COMPAT: Firefox/Edge Legacy don't support the `beforeinput` event
// Chrome Legacy doesn't support `beforeinput` correctly
var HAS_BEFORE_INPUT_SUPPORT = (!IS_CHROME_LEGACY || !IS_ANDROID_CHROME_LEGACY) && !IS_EDGE_LEGACY && // globalThis is undefined in older browsers
typeof globalThis !== 'undefined' && globalThis.InputEvent && // @ts-ignore The `getTargetRanges` property isn't recognized.
typeof globalThis.InputEvent.prototype.getTargetRanges === 'function';
var ReactEditor = {
/**
* Check if the user is currently composing inside the editor.
*/
isComposing(editor) {
return !!IS_COMPOSING.get(editor);
},
/**
* Return the host window of the current editor.
*/
getWindow(editor) {
var window = EDITOR_TO_WINDOW.get(editor);
if (!window) {
throw new Error('Unable to find a host window element for this editor');
}
return window;
},
/**
* Find a key for a Slate node.
*/
findKey(editor, node) {
var key = NODE_TO_KEY.get(node);
if (!key) {
key = new Key();
NODE_TO_KEY.set(node, key);
}
return key;
},
/**
* Find the path of Slate node.
*/
findPath(editor, node) {
var path = [];
var child = node;
while (true) {
var parent = NODE_TO_PARENT.get(child);
if (parent == null) {
if (Editor.isEditor(child)) {
return path;
} else {
break;
}
}
var i = NODE_TO_INDEX.get(child);
if (i == null) {
break;
}
path.unshift(i);
child = parent;
}
throw new Error("Unable to find the path for Slate node: ".concat(Scrubber.stringify(node)));
},
/**
* Find the DOM node that implements DocumentOrShadowRoot for the editor.
*/
findDocumentOrShadowRoot(editor) {
var el = ReactEditor.toDOMNode(editor, editor);
var root = el.getRootNode();
if ((root instanceof Document || root instanceof ShadowRoot) && root.getSelection != null) {
return root;
}
return el.ownerDocument;
},
/**
* Check if the editor is focused.
*/
isFocused(editor) {
return !!IS_FOCUSED.get(editor);
},
/**
* Check if the editor is in read-only mode.
*/
isReadOnly(editor) {
return !!IS_READ_ONLY.get(editor);
},
/**
* Blur the editor.
*/
blur(editor) {
var el = ReactEditor.toDOMNode(editor, editor);
var root = ReactEditor.findDocumentOrShadowRoot(editor);
IS_FOCUSED.set(editor, false);
if (root.activeElement === el) {
el.blur();
}
},
/**
* Focus the editor.
*/
focus(editor) {
var el = ReactEditor.toDOMNode(editor, editor);
var root = ReactEditor.findDocumentOrShadowRoot(editor);
IS_FOCUSED.set(editor, true);
if (root.activeElement !== el) {
el.focus({
preventScroll: true
});
}
},
/**
* Deselect the editor.
*/
deselect(editor) {
var {
selection
} = editor;
var root = ReactEditor.findDocumentOrShadowRoot(editor);
var domSelection = root.getSelection();
if (domSelection && domSelection.rangeCount > 0) {
domSelection.removeAllRanges();
}
if (selection) {
Transforms.deselect(editor);
}
},
/**
* Check if a DOM node is within the editor.
*/
hasDOMNode(editor, target) {
var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
var {
editable = false
} = options;
var editorEl = ReactEditor.toDOMNode(editor, editor);
var targetEl; // COMPAT: In Firefox, reading `target.nodeType` will throw an error if
// target is originating from an internal "restricted" element (e.g. a
// stepper arrow on a number input). (2018/05/04)
// https://github.com/ianstormtaylor/slate/issues/1819
try {
targetEl = isDOMElement(target) ? target : target.parentElement;
} catch (err) {
if (!err.message.includes('Permission denied to access property "nodeType"')) {
throw err;
}
}
if (!targetEl) {
return false;
}
return targetEl.closest("[data-slate-editor]") === editorEl && (!editable || targetEl.isContentEditable ? true : typeof targetEl.isContentEditable === 'boolean' && // isContentEditable exists only on HTMLElement, and on other nodes it will be undefined
// this is the core logic that lets you know you got the right editor.selection instead of null when editor is contenteditable="false"(readOnly)
targetEl.closest('[contenteditable="false"]') === editorEl || !!targetEl.getAttribute('data-slate-zero-width'));
},
/**
* Insert data from a `DataTransfer` into the editor.
*/
insertData(editor, data) {
editor.insertData(data);
},
/**
* Insert fragment data from a `DataTransfer` into the editor.
*/
insertFragmentData(editor, data) {
return editor.insertFragmentData(data);
},
/**
* Insert text data from a `DataTransfer` into the editor.
*/
insertTextData(editor, data) {
return editor.insertTextData(data);
},
/**
* Sets data from the currently selected fragment on a `DataTransfer`.
*/
setFragmentData(editor, data, originEvent) {
editor.setFragmentData(data, originEvent);
},
/**
* Find the native DOM element from a Slate node.
*/
toDOMNode(editor, node) {
var KEY_TO_ELEMENT = EDITOR_TO_KEY_TO_ELEMENT.get(editor);
var domNode = Editor.isEditor(node) ? EDITOR_TO_ELEMENT.get(editor) : KEY_TO_ELEMENT === null || KEY_TO_ELEMENT === void 0 ? void 0 : KEY_TO_ELEMENT.get(ReactEditor.findKey(editor, node));
if (!domNode) {
throw new Error("Cannot resolve a DOM node from Slate node: ".concat(Scrubber.stringify(node)));
}
return domNode;
},
/**
* Find a native DOM selection point from a Slate point.
*/
toDOMPoint(editor, point) {
var [node] = Editor.node(editor, point.path);
var el = ReactEditor.toDOMNode(editor, node);
var domPoint; // If we're inside a void node, force the offset to 0, otherwise the zero
// width spacing character will result in an incorrect offset of 1
if (Editor.void(editor, {
at: point
})) {
point = {
path: point.path,
offset: 0
};
} // For each leaf, we need to isolate its content, which means filtering
// to its direct text and zero-width spans. (We have to filter out any
// other siblings that may have been rendered alongside them.)
var selector = "[data-slate-string], [data-slate-zero-width]";
var texts = Array.from(el.querySelectorAll(selector));
var start = 0;
for (var i = 0; i < texts.length; i++) {
var text = texts[i];
var domNode = text.childNodes[0];
if (domNode == null || domNode.textContent == null) {
continue;
}
var {
length
} = domNode.textContent;
var attr = text.getAttribute('data-slate-length');
var trueLength = attr == null ? length : parseInt(attr, 10);
var end = start + trueLength; // Prefer putting the selection inside the mark placeholder to ensure
// composed text is displayed with the correct marks.
var nextText = texts[i + 1];
if (point.offset === end && nextText !== null && nextText !== void 0 && nextText.hasAttribute('data-slate-mark-placeholder')) {
var _nextText$textContent;
var domText = nextText.childNodes[0];
domPoint = [// COMPAT: If we don't explicity set the dom point to be on the actual
// dom text element, chrome will put the selection behind the actual dom
// text element, causing domRange.getBoundingClientRect() calls on a collapsed
// selection to return incorrect zero values (https://bugs.chromium.org/p/chromium/issues/detail?id=435438)
// which will cause issues when scrolling to it.
domText instanceof DOMText ? domText : nextText, (_nextText$textContent = nextText.textContent) !== null && _nextText$textContent !== void 0 && _nextText$textContent.startsWith('\uFEFF') ? 1 : 0];
break;
}
if (point.offset <= end) {
var offset = Math.min(length, Math.max(0, point.offset - start));
domPoint = [domNode, offset];
break;
}
start = end;
}
if (!domPoint) {
throw new Error("Cannot resolve a DOM point from Slate point: ".concat(Scrubber.stringify(point)));
}
return domPoint;
},
/**
* Find a native DOM range from a Slate `range`.
*
* Notice: the returned range will always be ordinal regardless of the direction of Slate `range` due to DOM API limit.
*
* there is no way to create a reverse DOM Range using Range.setStart/setEnd
* according to https://dom.spec.whatwg.org/#concept-range-bp-set.
*/
toDOMRange(editor, range) {
var {
anchor,
focus
} = range;
var isBackward = Range.isBackward(range);
var domAnchor = ReactEditor.toDOMPoint(editor, anchor);
var domFocus = Range.isCollapsed(range) ? domAnchor : ReactEditor.toDOMPoint(editor, focus);
var window = ReactEditor.getWindow(editor);
var domRange = window.document.createRange();
var [startNode, startOffset] = isBackward ? domFocus : domAnchor;
var [endNode, endOffset] = isBackward ? domAnchor : domFocus; // A slate Point at zero-width Leaf always has an offset of 0 but a native DOM selection at
// zero-width node has an offset of 1 so we have to check if we are in a zero-width node and
// adjust the offset accordingly.
var startEl = isDOMElement(startNode) ? startNode : startNode.parentElement;
var isStartAtZeroWidth = !!startEl.getAttribute('data-slate-zero-width');
var endEl = isDOMElement(endNode) ? endNode : endNode.parentElement;
var isEndAtZeroWidth = !!endEl.getAttribute('data-slate-zero-width');
domRange.setStart(startNode, isStartAtZeroWidth ? 1 : startOffset);
domRange.setEnd(endNode, isEndAtZeroWidth ? 1 : endOffset);
return domRange;
},
/**
* Find a Slate node from a native DOM `element`.
*/
toSlateNode(editor, domNode) {
var domEl = isDOMElement(domNode) ? domNode : domNode.parentElement;
if (domEl && !domEl.hasAttribute('data-slate-node')) {
domEl = domEl.closest("[data-slate-node]");
}
var node = domEl ? ELEMENT_TO_NODE.get(domEl) : null;
if (!node) {
throw new Error("Cannot resolve a Slate node from DOM node: ".concat(domEl));
}
return node;
},
/**
* Get the target range from a DOM `event`.
*/
findEventRange(editor, event) {
if ('nativeEvent' in event) {
event = event.nativeEvent;
}
var {
clientX: x,
clientY: y,
target
} = event;
if (x == null || y == null) {
throw new Error("Cannot resolve a Slate range from a DOM event: ".concat(event));
}
var node = ReactEditor.toSlateNode(editor, event.target);
var path = ReactEditor.findPath(editor, node); // If the drop target is inside a void node, move it into either the
// next or previous node, depending on which side the `x` and `y`
// coordinates are closest to.
if (Element$1.isElement(node) && Editor.isVoid(editor, node)) {
var rect = target.getBoundingClientRect();
var isPrev = editor.isInline(node) ? x - rect.left < rect.left + rect.width - x : y - rect.top < rect.top + rect.height - y;
var edge = Editor.point(editor, path, {
edge: isPrev ? 'start' : 'end'
});
var point = isPrev ? Editor.before(editor, edge) : Editor.after(editor, edge);
if (point) {
var _range = Editor.range(editor, point);
return _range;
}
} // Else resolve a range from the caret position where the drop occured.
var domRange;
var {
document
} = ReactEditor.getWindow(editor); // COMPAT: In Firefox, `caretRangeFromPoint` doesn't exist. (2016/07/25)
if (document.caretRangeFromPoint) {
domRange = document.caretRangeFromPoint(x, y);
} else {
var position = document.caretPositionFromPoint(x, y);
if (position) {
domRange = document.createRange();
domRange.setStart(position.offsetNode, position.offset);
domRange.setEnd(position.offsetNode, position.offset);
}
}
if (!domRange) {
throw new Error("Cannot resolve a Slate range from a DOM event: ".concat(event));
} // Resolve a Slate range from the DOM range.
var range = ReactEditor.toSlateRange(editor, domRange, {
exactMatch: false,
suppressThrow: false
});
return range;
},
/**
* Find a Slate point from a DOM selection's `domNode` and `domOffset`.
*/
toSlatePoint(editor, domPoint, options) {
var {
exactMatch,
suppressThrow
} = options;
var [nearestNode, nearestOffset] = exactMatch ? domPoint : normalizeDOMPoint(domPoint);
var parentNode = nearestNode.parentNode;
var textNode = null;
var offset = 0;
if (parentNode) {
var _domNode$textContent, _domNode$textContent2;
var editorEl = ReactEditor.toDOMNode(editor, editor);
var potentialVoidNode = parentNode.closest('[data-slate-void="true"]'); // Need to ensure that the closest void node is actually a void node
// within this editor, and not a void node within some parent editor. This can happen
// if this editor is within a void node of another editor ("nested editors", like in
// the "Editable Voids" example on the docs site).
var voidNode = potentialVoidNode && editorEl.contains(potentialVoidNode) ? potentialVoidNode : null;
var leafNode = parentNode.closest('[data-slate-leaf]');
var domNode = null; // Calculate how far into the text node the `nearestNode` is, so that we
// can determine what the offset relative to the text node is.
if (leafNode) {
textNode = leafNode.closest('[data-slate-node="text"]');
if (textNode) {
var window = ReactEditor.getWindow(editor);
var range = window.document.createRange();
range.setStart(textNode, 0);
range.setEnd(nearestNode, nearestOffset);
var contents = range.cloneContents();
var removals = [...Array.prototype.slice.call(contents.querySelectorAll('[data-slate-zero-width]')), ...Array.prototype.slice.call(contents.querySelectorAll('[contenteditable=false]'))];
removals.forEach(el => {
// COMPAT: While composing at the start of a text node, some keyboards put
// the text content inside the zero width space.
if (IS_ANDROID && !exactMatch && el.hasAttribute('data-slate-zero-width') && el.textContent.length > 0 && el.textContext !== '\uFEFF') {
if (el.textContent.startsWith('\uFEFF')) {
el.textContent = el.textContent.slice(1);
}
return;
}
el.parentNode.removeChild(el);
}); // COMPAT: Edge has a bug where Range.prototype.toString() will
// convert \n into \r\n. The bug causes a loop when slate-react
// attempts to reposition its cursor to match the native position. Use
// textContent.length instead.
// https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/10291116/
offset = contents.textContent.length;
domNode = textNode;
}
} else if (voidNode) {
// For void nodes, the element with the offset key will be a cousin, not an
// ancestor, so find it by going down from the nearest void parent and taking the
// first one that isn't inside a nested editor.
var leafNodes = voidNode.querySelectorAll('[data-slate-leaf]');
for (var index = 0; index < leafNodes.length; index++) {
var current = leafNodes[index];
if (ReactEditor.hasDOMNode(editor, current)) {
leafNode = current;
break;
}
} // COMPAT: In read-only editors the leaf is not rendered.
if (!leafNode) {
offset = 1;
} else {
textNode = leafNode.closest('[data-slate-node="text"]');
domNode = leafNode;
offset = domNode.textContent.length;
domNode.querySelectorAll('[data-slate-zero-width]').forEach(el => {
offset -= el.textContent.length;
});
}
}
if (domNode && offset === domNode.textContent.length && // COMPAT: Android IMEs might remove the zero width space while composing,
// and we don't add it for line-breaks.
IS_ANDROID && domNode.getAttribute('data-slate-zero-width') === 'z' && (_domNode$textContent = domNode.textContent) !== null && _domNode$textContent !== void 0 && _domNode$textContent.startsWith('\uFEFF') && (parentNode.hasAttribute('data-slate-zero-width') || IS_FIREFOX && (_domNode$textContent2 = domNode.textContent) !== null && _domNode$textContent2 !== void 0 && _domNode$textContent2.endsWith('\n\n'))) {
offset--;
}
}
if (IS_ANDROID && !textNode && !exactMatch) {
var node = parentNode.hasAttribute('data-slate-node') ? parentNode : parentNode.closest('[data-slate-node]');
if (node && ReactEditor.hasDOMNode(editor, node, {
editable: true
})) {
var _slateNode = ReactEditor.toSlateNode(editor, node);
var {
path: _path,
offset: _offset
} = Editor.start(editor, ReactEditor.findPath(editor, _slateNode));
if (!node.querySelector('[data-slate-leaf]')) {
_offset = nearestOffset;
}
return {
path: _path,
offset: _offset
};
}
}
if (!textNode) {
if (suppressThrow) {
return null;
}
throw new Error("Cannot resolve a Slate point from DOM point: ".concat(domPoint));
} // COMPAT: If someone is clicking from one Slate editor into another,
// the select event fires twice, once for the old editor's `element`
// first, and then afterwards for the correct `element`. (2017/03/03)
var slateNode = ReactEditor.toSlateNode(editor, textNode);
var path = ReactEditor.findPath(editor, slateNode);
return {
path,
offset
};
},
/**
* Find a Slate range from a DOM range or selection.
*/
toSlateRange(editor, domRange, options) {
var {
exactMatch,
suppressThrow
} = options;
var el = isDOMSelection(domRange) ? domRange.anchorNode : domRange.startContainer;
var anchorNode;
var anchorOffset;
var focusNode;
var focusOffset;
var isCollapsed;
if (el) {
if (isDOMSelection(domRange)) {
anchorNode = domRange.anchorNode;
anchorOffset = domRange.anchorOffset;
focusNode = domRange.focusNode;
focusOffset = domRange.focusOffset; // COMPAT: There's a bug in chrome that always returns `true` for
// `isCollapsed` for a Selection that comes from a ShadowRoot.
// (2020/08/08)
// https://bugs.chromium.org/p/chromium/issues/detail?id=447523
if (IS_CHROME && hasShadowRoot(anchorNode)) {
isCollapsed = domRange.anchorNode === domRange.focusNode && domRange.anchorOffset === domRange.focusOffset;
} else {
isCollapsed = domRange.isCollapsed;
}
} else {
anchorNode = domRange.startContainer;
anchorOffset = domRange.startOffset;
focusNode = domRange.endContainer;
focusOffset = domRange.endOffset;
isCollapsed = domRange.collapsed;
}
}
if (anchorNode == null || focusNode == null || anchorOffset == null || focusOffset == null) {
throw new Error("Cannot resolve a Slate range from DOM range: ".concat(domRange));
} // COMPAT: Triple-clicking a word in chrome will sometimes place the focus
// inside a `contenteditable="false"` DOM node following the word, which
// will cause `toSlatePoint` to throw an error. (2023/03/07)
if ('getAttribute' in focusNode && focusNode.getAttribute('contenteditable') === 'false') {
var _anchorNode$textConte;
focusNode = anchorNode;
focusOffset = ((_anchorNode$textConte = anchorNode.textContent) === null || _anchorNode$textConte === void 0 ? void 0 : _anchorNode$textConte.length) || 0;
}
var anchor = ReactEditor.toSlatePoint(editor, [anchorNode, anchorOffset], {
exactMatch,
suppressThrow
});
if (!anchor) {
return null;
}
var focus = isCollapsed ? anchor : ReactEditor.toSlatePoint(editor, [focusNode, focusOffset], {
exactMatch,
suppressThrow
});
if (!focus) {
return null;
}
/**
* suppose we have this document:
*
* { type: 'paragraph',
* children: [
* { text: 'foo ' },
* { text: 'bar' },
* { text: ' baz' }
* ]
* }
*
* a double click on "bar" on chrome will create this range:
*
* anchor -> [0,1] offset 0
* focus -> [0,1] offset 3
*
* while on firefox will create this range:
*
* anchor -> [0,0] offset 4
* focus -> [0,2] offset 0
*
* let's try to fix it...
*/
if (IS_FIREFOX && !isCollapsed && anchorNode !== focusNode) {
var isEnd = Editor.isEnd(editor, anchor, anchor.path);
var isStart = Editor.isStart(editor, focus, focus.path);
if (isEnd) {
var after = Editor.after(editor, anchor); // Editor.after() might return undefined
anchor = after || anchor;
}
if (isStart) {
var before = Editor.before(editor, focus);
focus = before || focus;
}
}
var range = {
anchor: anchor,
focus: focus
}; // if the selection is a hanging range that ends in a void
// and the DOM focus is an Element
// (meaning that the selection ends before the element)
// unhang the range to avoid mistakenly including the void
if (Range.isExpanded(range) && Range.isForward(range) && isDOMElement(focusNode) && Editor.void(editor, {
at: range.focus,
mode: 'highest'
})) {
range = Editor.unhangRange(editor, range, {
voids: true
});
}
return range;
},
hasRange(editor, range) {
var {
anchor,
focus
} = range;
return Editor.hasPath(editor, anchor.path) && Editor.hasPath(editor, focus.path);
},
/**
* Check if the target is in the editor.
*/
hasTarget(editor, target) {
return isDOMNode(target) && ReactEditor.hasDOMNode(editor, target);
},
/**
* Check if the target is editable and in the editor.
*/
hasEditableTarget(editor, target) {
return isDOMNode(target) && ReactEditor.hasDOMNode(editor, target, {
editable: true
});
},
/**
* Check if the target can be selectable
*/
hasSelectableTarget(editor, target) {
return ReactEditor.hasEditableTarget(editor, target) || ReactEditor.isTargetInsideNonReadonlyVoid(editor, target);
},
/**
* Check if the target is inside void and in an non-readonly editor.
*/
isTargetInsideNonReadonlyVoid(editor, target) {
if (IS_READ_ONLY.get(editor)) return false;
var slateNode = ReactEditor.hasTarget(editor, target) && ReactEditor.toSlateNode(editor, target);
return Element$1.isElement(slateNode) && Editor.isVoid(editor, slateNode);
},
/**
* Experimental and android specific: Flush all pending diffs and cancel composition at the next possible time.
*/
androidScheduleFlush(editor) {
var _EDITOR_TO_SCHEDULE_F;
(_EDITOR_TO_SCHEDULE_F = EDITOR_TO_SCHEDULE_FLUSH.get(editor)) === null || _EDITOR_TO_SCHEDULE_F === void 0 ? void 0 : _EDITOR_TO_SCHEDULE_F();
},
/**
* Experimental and android specific: Get pending diffs
*/
androidPendingDiffs(editor) {
return EDITOR_TO_PENDING_DIFFS.get(editor);
}
};
var _excluded$3 = ["anchor", "focus"],
_excluded2$1 = ["anchor", "focus"];
var shallowCompare = (obj1, obj2) => Object.keys(obj1).length === Object.keys(obj2).length && Object.keys(obj1).every(key => obj2.hasOwnProperty(key) && obj1[key] === obj2[key]);
var isDecorationFlagsEqual = (range, other) => {
var rangeOwnProps = _objectWithoutProperties(range, _excluded$3);
var otherOwnProps = _objectWithoutProperties(other, _excluded2$1);
return range[PLACEHOLDER_SYMBOL] === other[PLACEHOLDER_SYMBOL] && shallowCompare(rangeOwnProps, otherOwnProps);
};
/**
* Check if a list of decorator ranges are equal to another.
*
* PERF: this requires the two lists to also have the ranges inside them in the
* same order, but this is an okay constraint for us since decorations are
* kept in order, and the odd case where they aren't is okay to re-render for.
*/
var isElementDecorationsEqual = (list, another) => {
if (list.length !== another.length) {
return false;
}
for (var i = 0; i < list.length; i++) {
var range = list[i];
var other = another[i];
if (!Range.equals(range, other) || !isDecorationFlagsEqual(range, other)) {
return false;
}
}
return true;
};
/**
* Check if a list of decorator ranges are equal to another.
*
* PERF: this requires the two lists to also have the ranges inside them in the
* same order, but this is an okay constraint for us since decorations are
* kept in order, and the odd case where they aren't is okay to re-render for.
*/
var isTextDecorationsEqual = (list, another) => {
if (list.length !== another.length) {
return false;
}
for (var i = 0; i < list.length; i++) {
var range = list[i];
var other = another[i]; // compare only offsets because paths doesn't matter for text
if (range.anchor.offset !== other.anchor.offset || range.focus.offset !== other.focus.offset || !isDecorationFlagsEqual(range, other)) {
return false;
}
}
return true;
};
/**
* Prevent warning on SSR by falling back to useEffect when DOM isn't available
*/
var useIsomorphicLayoutEffect = CAN_USE_DOM ? useLayoutEffect : useEffect;
/**
* Leaf content strings.
*/
var String = props => {
var {
isLast,
leaf,
parent,
text
} = props;
var editor = useSlateStatic();
var path = ReactEditor.findPath(editor, text);
var parentPath = Path.parent(path);
var isMarkPlaceholder = leaf[MARK_PLACEHOLDER_SYMBOL] === true; // COMPAT: Render text inside void nodes with a zero-width space.
// So the node can contain selection but the text is not visible.
if (editor.isVoid(parent)) {
return /*#__PURE__*/React.createElement(ZeroWidthString, {
length: Node.string(parent).length
});
} // COMPAT: If this is the last text node in an empty block, render a zero-
// width space that will convert into a line break when copying and pasting
// to support expected plain text.
if (leaf.text === '' && parent.children[parent.children.length - 1] === text && !editor.isInline(parent) && Editor.string(editor, parentPath) === '') {
return /*#__PURE__*/React.createElement(ZeroWidthString, {
isLineBreak: true,
isMarkPlaceholder: isMarkPlaceholder
});
} // COMPAT: If the text is empty, it's because it's on the edge of an inline
// node, so we render a zero-width space so that the selection can be
// inserted next to it still.
if (leaf.text === '') {
return /*#__PURE__*/React.createElement(ZeroWidthString, {
isMarkPlaceholder: isMarkPlaceholder
});
} // COMPAT: Browsers will collapse trailing new lines at the end of blocks,
// so we need to add an extra trailing new lines to prevent that.
if (isLast && leaf.text.slice(-1) === '\n') {
return /*#__PURE__*/React.createElement(TextString, {
isTrailing: true,
text: leaf.text
});
}
return /*#__PURE__*/React.createElement(TextString, {
text: leaf.text
});
};
/**
* Leaf strings with text in them.
*/
var TextString = props => {
var {
text,
isTrailing = false
} = props;
var ref = useRef(null);
var getTextContent = () => {
return "".concat(text !== null && text !== void 0 ? text : '').concat(isTrailing ? '\n' : '');
};
var [initialText] = useState(getTextContent); // This is the actual text rendering boundary where we interface with the DOM
// The text is not rendered as part of the virtual DOM, as since we handle basic character insertions natively,
// updating the DOM is not a one way dataflow anymore. What we need here is not reconciliation and diffing
// with previous version of the virtual DOM, but rather diffing with the actual DOM element, and replace the DOM <span> content
// exactly if and only if its current content does not match our current virtual DOM.
// Otherwise the DOM TextNode would always be replaced by React as the user types, which interferes with native text features,
// eg makes native spellcheck opt out from checking the text node.
// useLayoutEffect: updating our span before browser paint
useIsomorphicLayoutEffect(() => {
// null coalescing text to make sure we're not outputing "null" as a string in the extreme case it is nullish at runtime
var textWithTrailing = getTextContent();
if (ref.current && ref.current.textContent !== textWithTrailing) {
ref.current.textContent = textWithTrailing;
} // intentionally not specifying dependencies, so that this effect runs on every render
// as this effectively replaces "specifying the text in the virtual DOM under the <span> below" on each render
}); // We intentionally render a memoized <span> that only receives the initial text content when the component is mounted.
// We defer to the layout effect above to update the `textContent` of the span element when needed.
return /*#__PURE__*/React.createElement(MemoizedText$1, {
ref: ref
}, initialText);
};
var MemoizedText$1 = /*#__PURE__*/memo( /*#__PURE__*/forwardRef((props, ref) => {
return /*#__PURE__*/React.createElement("span", {
"data-slate-string": true,
ref: ref
}, props.children);
}));
/**
* Leaf strings without text, render as zero-width strings.
*/
var ZeroWidthString = props => {
var {
length = 0,
isLineBreak = false,
isMarkPlaceholder = false
} = props;
var attributes = {
'data-slate-zero-width': isLineBreak ? 'n' : 'z',
'data-slate-length': length
};
if (isMarkPlaceholder) {
attributes['data-slate-mark-placeholder'] = true;
}
return /*#__PURE__*/React.createElement("span", Object.assign({}, attributes), !IS_ANDROID || !isLineBreak ? '\uFEFF' : null, isLineBreak ? /*#__PURE__*/React.createElement("br", null) : null);
};
/**
* A React context for sharing the editor object.
*/
var EditorContext = /*#__PURE__*/createContext(null);
/**
* Get the current editor object from the React context.
*/
var useSlateStatic = () => {
var editor = useContext(EditorContext);
if (!editor) {
throw new Error("The `useSlateStatic` hook must be used inside the <Slate> component's context.");
}
return editor;
};
/**
* Individual leaves in a text node with unique formatting.
*/
var Leaf = props => {
var {
leaf,
isLast,
text,
parent,
renderPlaceholder,
renderLeaf = props => /*#__PURE__*/React.createElement(DefaultLeaf, Object.assign({}, props))
} = props;
var lastPlaceholderRef = useRef(null);
var placeholderRef = useRef(null);
var editor = useSlateStatic();
var placeholderResizeObserver = useRef(null);
useEffect(() => {
return () => {
if (placeholderResizeObserver.current) {
placeholderResizeObserver.current.disconnect();
}
};
}, []);
useEffect(() => {
var placeholderEl = placeholderRef === null || placeholderRef === void 0 ? void 0 : placeholderRef.current;
if (placeholderEl) {
EDITOR_TO_PLACEHOLDER_ELEMENT.set(editor, placeholderEl);
} else {
EDITOR_TO_PLACEHOLDER_ELEMENT.delete(editor);
}
if (placeholderResizeObserver.current) {
// Update existing observer.
placeholderResizeObserver.current.disconnect();
if (placeholderEl) placeholderResizeObserver.current.observe(placeholderEl);
} else if (placeholderEl) {
// Create a new observer and observe the placeholder element.
var ResizeObserver$1 = window.ResizeObserver || ResizeObserver;
placeholderResizeObserver.current = new ResizeObserver$1(() => {
// Force a re-render of the editor so its min-height can be updated
// to the new height of the placeholder.
var forceRender = EDITOR_TO_FORCE_RENDER.get(editor);
forceRender === null || forceRender === void 0 ? void 0 : forceRender();
});
placeholderResizeObserver.current.observe(placeholderEl);
}
if (!placeholderEl && lastPlaceholderRef.current) {
// No placeholder element, so no need for a resize observer.
// Force a re-render of the editor so its min-height can be reset.
var forceRender = EDITOR_TO_FORCE_RENDER.get(editor);
forceRender === null || forceRender === void 0 ? void 0 : forceRender();
}
lastPlaceholderRef.current = placeholderRef.current;
return () => {
EDITOR_TO_PLACEHOLDER_ELEMENT.delete(editor);
};
}, [placeholderRef, leaf]);
var children = /*#__PURE__*/React.createElement(String, {
isLast: isLast,
leaf: leaf,
parent: parent,
text: text
});
if (leaf[PLACEHOLDER_SYMBOL]) {
var placeholderProps = {
children: leaf.placeholder,
attributes: {
'data-slate-placeholder': true,
style: {
position: 'absolute',
pointerEvents: 'none',
width: '100%',
maxWidth: '100%',
display: 'block',
opacity: '0.333',
userSelect: 'none',
textDecoration: 'none'
},
contentEditable: false,
ref: placeholderRef
}
};
children = /*#__PURE__*/React.createElement(React.Fragment, null, renderPlaceholder(placeholderProps), children);
} // COMPAT: Having the `data-` attributes on these leaf elements ensures that
// in certain misbehaving browsers they aren't weirdly cloned/destroyed by
// contenteditable behaviors. (2019/05/08)
var attributes = {
'data-slate-leaf': true
};
return renderLeaf({
attributes,
children,
leaf,
text
});
};
var MemoizedLeaf = /*#__PURE__*/React.memo(Leaf, (prev, next) => {
return next.parent === prev.parent && next.isLast === prev.isLast && next.renderLeaf === prev.renderLeaf && next.renderPlaceholder === prev.renderPlaceholder && next.text === prev.text && Text$1.equals(next.leaf, prev.leaf) && next.leaf[PLACEHOLDER_SYMBOL] === prev.leaf[PLACEHOLDER_SYMBOL];
});
var DefaultLeaf = props => {
var {
attributes,
children
} = props;
return /*#__PURE__*/React.createElement("span", Object.assign({}, attributes), children);
};
/**
* Text.
*/
var Text = props => {
var {
decorations,
isLast,
parent,
renderPlaceholder,
renderLeaf,
text
} = props;
var editor = useSlateStatic();
var ref = useRef(null);
var leaves = Text$1.decorations(text, decorations);
var key = ReactEditor.findKey(editor, text);
var children = [];
for (var i = 0; i < leaves.length; i++) {
var leaf = leaves[i];
children.push( /*#__PURE__*/React.createElement(MemoizedLeaf, {
isLast: isLast && i === leaves.length - 1,
key: "".concat(key.id, "-").concat(i),
renderPlaceholder: renderPlaceholder,
leaf: leaf,
text: text,
parent: parent,
renderLeaf: renderLeaf
}));
} // Update element-related weak maps with the DOM element ref.
var callbackRef = useCallback(span => {
var KEY_TO_ELEMENT = EDITOR_TO_KEY_TO_ELEMENT.get(editor);
if (span) {
KEY_TO_ELEMENT === null || KEY_TO_ELEMENT === void 0 ? void 0 : KEY_TO_ELEMENT.set(key, span);
NODE_TO_ELEMENT.set(text, span);
ELEMENT_TO_NODE.set(span, text);
} else {
KEY_TO_ELEMENT === null || KEY_TO_ELEMENT === void 0 ? void 0 : KEY_TO_ELEMENT.delete(key);
NODE_TO_ELEMENT.delete(text);
if (ref.current) {
ELEMENT_TO_NODE.delete(ref.current);
}
}
ref.current = span;
}, [ref, editor, key, text]);
return /*#__PURE__*/React.createElement("span", {
"data-slate-node": "text",
ref: callbackRef
}, children);
};
var MemoizedText = /*#__PURE__*/React.memo(Text, (prev, next) => {
return next.parent === prev.parent && next.isLast === prev.isLast && next.renderLeaf === prev.renderLeaf && next.renderPlaceholder === prev.renderPlaceholder && next.text === prev.text && isTextDecorationsEqual(next.decorations, prev.decorations);
});
/**
* Element.
*/
var Element = props => {
var {
decorations,
element,
renderElement = p => /*#__PURE__*/React.createElement(DefaultElement, Object.assign({}, p)),
renderPlaceholder,
renderLeaf,
selection
} = props;
var editor = useSlateStatic();
var readOnly = useReadOnly();
var isInline = editor.isInline(element);
var key = ReactEditor.findKey(editor, element);
var ref = useCallback(ref => {
// Update element-related weak maps with the DOM element ref.
var KEY_TO_ELEMENT = EDITOR_TO_KEY_TO_ELEMENT.get(editor);
if (ref) {
KEY_TO_ELEMENT === null || KEY_TO_ELEMENT === void 0 ? void 0 : KEY_TO_ELEMENT.set(key, ref);
NODE_TO_ELEMENT.set(element, ref);
ELEMENT_TO_NODE.set(ref, element);
} else {
KEY_TO_ELEMENT === null || KEY_TO_ELEMENT === void 0 ? void 0 : KEY_TO_ELEMENT.delete(key);
NODE_TO_ELEMENT.delete(element);
}
}, [editor, key, element]);
var children = useChildren({
decorations,
node: element,
renderElement,
renderPlaceholder,
renderLeaf,
selection
}); // Attributes that the developer must mix into the element in their
// custom node renderer component.
var attributes = {
'data-slate-node': 'element',
ref
};
if (isInline) {
attributes['data-slate-inline'] = true;
} // If it's a block node with inline children, add the proper `dir` attribute
// for text direction.
if (!isInline && Editor.hasInlines(editor, element)) {
var text = Node.string(element);
var dir = getDirection(text);
if (dir === 'rtl') {
attributes.dir = dir;
}
} // If it's a void node, wrap the children in extra void-specific elements.
if (Editor.isVoid(editor, element)) {
attributes['data-slate-void'] = true;
if (!readOnly && isInline) {
attributes.contentEditable = false;
}
var Tag = isInline ? 'span' : 'div';
var [[_text]] = Node.texts(element);
children = /*#__PURE__*/React.createElement(Tag, {
"data-slate-spacer": true,
style: {
height: '0',
color: 'transparent',
outline: 'none',
position: 'absolute'
}
}, /*#__PURE__*/React.createElement(MemoizedText, {
renderPlaceholder: renderPlaceholder,
decorations: [],
isLast: false,
parent: element,
text: _text
}));
NODE_TO_INDEX.set(_text, 0);
NODE_TO_PARENT.set(_text, element);
}
return renderElement({
attributes,
children,
element
});
};
var MemoizedElement = /*#__PURE__*/React.memo(Element, (prev, next) => {
return prev.element === next.element && prev.renderElement === next.renderElement && prev.renderLeaf === next.renderLeaf && prev.renderPlaceholder === next.renderPlaceholder && isElementDecorationsEqual(prev.decorations, next.decorations) && (prev.selection === next.selection || !!prev.selection && !!next.selection && Range.equals(prev.selection, next.selection));
});
/**
* The default element renderer.
*/
var DefaultElement = props => {
var {
attributes,
children,
element
} = props;
var editor = useSlateStatic();
var Tag = editor.isInline(element) ? 'span' : 'div';
return /*#__PURE__*/React.createElement(Tag, Object.assign({}, attributes, {
style: {
position: 'relative'
}
}), children);
};
/**
* A React context for sharing the `decorate` prop of the editable.
*/
var DecorateContext = /*#__PURE__*/createContext(() => []);
/**
* Get the current `decorate` prop of the editable.
*/
var useDecorate = () => {
return useContext(DecorateContext);
};
/**
* A React context for sharing the `selected` state of an element.
*/
var SelectedContext = /*#__PURE__*/createContext(false);
/**
* Get the current `selected` state of an element.
*/
var useSelected = () => {
return useContext(SelectedContext);
};
/**
* Children.
*/
var useChildren = props => {
var {
decorations,
node,
renderElement,
renderPlaceholder,
renderLeaf,
selection
} = props;
var decorate = useDecorate();
var editor = useSlateStatic();
var path = ReactEditor.findPath(editor, node);
var children = [];
var isLeafBlock = Element$1.isElement(node) && !editor.isInline(node) && Editor.hasInlines(editor, node);
for (var i = 0; i < node.children.length; i++) {
var p = path.concat(i);
var n = node.children[i];
var key = ReactEditor.findKey(editor, n);
var range = Editor.range(editor, p);
var sel = selection && Range.intersection(range, selection);
var ds = decorate([n, p]);
for (var dec of decorations) {
var d = Range.intersection(dec, range);
if (d) {
ds.push(d);
}
}
if (Element$1.isElement(n)) {
children.push( /*#__PURE__*/React.createElement(SelectedContext.Provider, {
key: "provider-".concat(key.id),
value: !!sel
}, /*#__PURE__*/React.createElement(MemoizedElement, {
decorations: ds,
element: n,
key: key.id,
renderElement: renderElement,
renderPlaceholder: renderPlaceholder,
renderLeaf: renderLeaf,
selection: sel
})));
} else {
children.push( /*#__PURE__*/React.createElement(MemoizedText, {
decorations: ds,
key: key.id,
isLast: isLeafBlock && i === node.children.length - 1,
parent: node,
renderPlaceholder: renderPlaceholder,
renderLeaf: renderLeaf,
text: n
}));
}
NODE_TO_INDEX.set(n, i);
NODE_TO_PARENT.set(n, node);
}
return children;
};
/**
* A React context for sharing the `readOnly` state of the editor.
*/
var ReadOnlyContext = /*#__PURE__*/createContext(false);
/**
* Get the current `readOnly` state of the editor.
*/
var useReadOnly = () => {
return useContext(ReadOnlyContext);
};
var SlateContext = /*#__PURE__*/createContext(null);
/**
* Get the current editor object from the React context.
*/
var useSlate = () => {
var context = useContext(SlateContext);
if (!context) {
throw new Error("The `useSlate` hook must be used inside the <Slate> component's context.");
}
var {
editor
} = context;
return editor;
};
var useSlateWithV = () => {
var context = useContext(SlateContext);
if (!context) {
throw new Error("The `useSlate` hook must be used inside the <Slate> component's context.");
}
return context;
};
var TRIPLE_CLICK = 3;
/**
* Hotkey mappings for each platform.
*/
var HOTKEYS = {
bold: 'mod+b',
compose: ['down', 'left', 'right', 'up', 'backspace', 'enter'],
moveBackward: 'left',
moveForward: 'right',
moveWordBackward: 'ctrl+left',
moveWordForward: 'ctrl+right',
deleteBackward: 'shift?+backspace',
deleteForward: 'shift?+delete',
extendBackward: 'shift+left',
extendForward: 'shift+right',
italic: 'mod+i',
insertSoftBreak: 'shift+enter',
splitBlock: 'enter',
undo: 'mod+z'
};
var APPLE_HOTKEYS = {
moveLineBackward: 'opt+up',
moveLineForward: 'opt+down',
moveWordBackward: 'opt+left',
moveWordForward: 'opt+right',
deleteBackward: ['ctrl+backspace', 'ctrl+h'],
deleteForward: ['ctrl+delete', 'ctrl+d'],
deleteLineBackward: 'cmd+shift?+backspace',
deleteLineForward: ['cmd+shift?+delete', 'ctrl+k'],
deleteWordBackward: 'opt+shift?+backspace',
deleteWordForward: 'opt+shift?+delete',
extendLineBackward: 'opt+shift+up',
extendLineForward: 'opt+shift+down',
redo: 'cmd+shift+z',
transposeCharacter: 'ctrl+t'
};
var WINDOWS_HOTKEYS = {
deleteWordBackward: 'ctrl+shift?+backspace',
deleteWordForward: 'ctrl+shift?+delete',
redo: ['ctrl+y', 'ctrl+shift+z']
};
/**
* Create a platform-aware hotkey checker.
*/
var create = key => {
var generic = HOTKEYS[key];
var apple = APPLE_HOTKEYS[key];
var windows = WINDOWS_HOTKEYS[key];
var isGeneric = generic && isKeyHotkey(generic);
var isApple = apple && isKeyHotkey(apple);
var isWindows = windows && isKeyHotkey(windows);
return event => {
if (isGeneric && isGeneric(event)) return true;
if (IS_APPLE && isApple && isApple(event)) return true;
if (!IS_APPLE && isWindows && isWindows(event)) return true;
return false;
};
};
/**
* Hotkeys.
*/
var Hotkeys = {
isBold: create('bold'),
isCompose: create('compose'),
isMoveBackward: create('moveBackward'),
isMoveForward: create('moveForward'),
isDeleteBackward: create('deleteBackward'),
isDeleteForward: create('deleteForward'),
isDeleteLineBackward: create('deleteLineBackward'),
isDeleteLineForward: create('deleteLineForward'),
isDeleteWordBackward: create('deleteWordBackward'),
isDeleteWordForward: create('deleteWordForward'),
isExtendBackward: create('extendBackward'),
isExtendForward: create('extendForward'),
isExtendLineBackward: create('extendLineBackward'),
isExtendLineForward: create('extendLineForward'),
isItalic: create('italic'),
isMoveLineBackward: create('moveLineBackward'),
isMoveLineForward: create('moveLineForward'),
isMoveWordBackward: create('moveWordBackward'),
isMoveWordForward: create('moveWordForward'),
isRedo: create('redo'),
isSoftBreak: create('insertSoftBreak'),
isSplitBlock: create('splitBlock'),
isTransposeCharacter: create('transposeCharacter'),
isUndo: create('undo')
};
var createRestoreDomManager = (editor, receivedUserInput) => {
var bufferedMutations = [];
var clear = () => {
bufferedMutations = [];
};
var registerMutations = mutations => {
if (!receivedUserInput.current) {
return;
}
var trackedMutations = mutations.filter(mutation => isTrackedMutation(editor, mutation, mutations));
bufferedMutations.push(...trackedMutations);
};
function restoreDOM() {
if (bufferedMutations.length > 0) {
bufferedMutations.reverse().forEach(mutation => {
if (mutation.type === 'characterData') {
// We don't want to restore the DOM for characterData mutations
// because this interrupts the composition.
return;
}
mutation.removedNodes.forEach(node => {
mutation.target.insertBefore(node, mutation.nextSibling);
});
mutation.addedNodes.forEach(node => {
mutation.target.removeChild(node);
});
}); // Clear buffered mutations to ensure we don't undo them twice
clear();
}
}
return {
registerMutations,
restoreDOM,
clear
};
};
var MUTATION_OBSERVER_CONFIG$1 = {
subtree: true,
childList: true,
characterData: true,
characterDataOldValue: true
}; // We have to use a class component here since we rely on `getSnapshotBeforeUpdate` which has no FC equivalent
// to run code synchronously immediately before react commits the component update to the DOM.
class RestoreDOMComponent extends Component {
constructor() {
super(...arguments);
this.context = null;
this.manager = null;
this.mutationObserver = null;
}
observe() {
var _this$mutationObserve;
var {
node
} = this.props;
if (!node.current) {
throw new Error('Failed to attach MutationObserver, `node` is undefined');
}
(_this$mutationObserve = this.mutationObserver) === null || _this$mutationObserve === void 0 ? void 0 : _this$mutationObserve.observe(node.current, MUTATION_OBSERVER_CONFIG$1);
}
componentDidMount() {
var {
receivedUserInput
} = this.props;
var editor = this.context;
this.manager = createRestoreDomManager(editor, receivedUserInput);
this.mutationObserver = new MutationObserver(this.manager.registerMutations);
this.observe();
}
getSnapshotBeforeUpdate() {
var _this$mutationObserve2, _this$mutationObserve3, _this$manager2;
var pendingMutations = (_this$mutationObserve2 = this.mutationObserver) === null || _this$mutationObserve2 === void 0 ? void 0 : _this$mutationObserve2.takeRecords();
if (pendingMutations !== null && pendingMutations !== void 0 && pendingMutations.length) {
var _this$manager;
(_this$manager = this.manager) === null || _this$manager === void 0 ? void 0 : _this$manager.registerMutations(pendingMutations);
}
(_this$mutationObserve3 = this.mutationObserver) === null || _this$mutationObserve3 === void 0 ? void 0 : _this$mutationObserve3.disconnect();
(_this$manager2 = this.manager) === null || _this$manager2 === void 0 ? void 0 : _this$manager2.restoreDOM();
return null;
}
componentDidUpdate() {
var _this$manager3;
(_this$manager3 = this.manager) === null || _this$manager3 === void 0 ? void 0 : _this$manager3.clear();
this.observe();
}
componentWillUnmount() {
var _this$mutationObserve4;
(_this$mutationObserve4 = this.mutationObserver) === null || _this$mutationObserve4 === void 0 ? void 0 : _this$mutationObserve4.disconnect();
}
render() {
return this.props.children;
}
}
RestoreDOMComponent.contextType = EditorContext;
var RestoreDOM = IS_ANDROID ? RestoreDOMComponent : _ref => {
var {
children
} = _ref;
return /*#__PURE__*/React.createElement(React.Fragment, null, children);
};
/**
* Check whether a text diff was applied in a way we can perform the pending action on /
* recover the pending selection.
*/
function verifyDiffState(editor, textDiff) {
var {
path,
diff
} = textDiff;
if (!Editor.hasPath(editor, path)) {
return false;
}
var node = Node.get(editor, path);
if (!Text$1.isText(node)) {
return false;
}
if (diff.start !== node.text.length || diff.text.length === 0) {
return node.text.slice(diff.start, diff.start + diff.text.length) === diff.text;
}
var nextPath = Path.next(path);
if (!Editor.hasPath(editor, nextPath)) {
return false;
}
var nextNode = Node.get(editor, nextPath);
return Text$1.isText(nextNode) && nextNode.text.startsWith(diff.text);
}
function applyStringDiff(text) {
for (var _len = arguments.length, diffs = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
diffs[_key - 1] = arguments[_key];
}
return diffs.reduce((text, diff) => text.slice(0, diff.start) + diff.text + text.slice(diff.end), text);
}
function longestCommonPrefixLength(str, another) {
var length = Math.min(str.length, another.length);
for (var i = 0; i < length; i++) {
if (str.charAt(i) !== another.charAt(i)) {
return i;
}
}
return length;
}
function longestCommonSuffixLength(str, another, max) {
var length = Math.min(str.length, another.length, max);
for (var i = 0; i < length; i++) {
if (str.charAt(str.length - i - 1) !== another.charAt(another.length - i - 1)) {
return i;
}
}
return length;
}
/**
* Remove redundant changes from the diff so that it spans the minimal possible range
*/
function normalizeStringDiff(targetText, diff) {
var {
start,
end,
text
} = diff;
var removedText = targetText.slice(start, end);
var prefixLength = longestCommonPrefixLength(removedText, text);
var max = Math.min(removedText.length - prefixLength, text.length - prefixLength);
var suffixLength = longestCommonSuffixLength(removedText, text, max);
var normalized = {
start: start + prefixLength,
end: end - suffixLength,
text: text.slice(prefixLength, text.length - suffixLength)
};
if (normalized.start === normalized.end && normalized.text.length === 0) {
return null;
}
return normalized;
}
/**
* Return a string diff that is equivalent to applying b after a spanning the range of
* both changes
*/
function mergeStringDiffs(targetText, a, b) {
var start = Math.min(a.start, b.start);
var overlap = Math.max(0, Math.min(a.start + a.text.length, b.end) - b.start);
var applied = applyStringDiff(targetText, a, b);
var sliceEnd = Math.max(b.start + b.text.length, a.start + a.text.length + (a.start + a.text.length > b.start ? b.text.length : 0) - overlap);
var text = applied.slice(start, sliceEnd);
var end = Math.max(a.end, b.end - a.text.length + (a.end - a.start));
return normalizeStringDiff(targetText, {
start,
end,
text
});
}
/**
* Get the slate range the text diff spans.
*/
function targetRange(textDiff) {
var {
path,
diff
} = textDiff;
return {
anchor: {
path,
offset: diff.start
},
focus: {
path,
offset: diff.end
}
};
}
/**
* Normalize a 'pending point' a.k.a a point based on the dom state before applying
* the pending diffs. Since the pending diffs might have been inserted with different
* marks we have to 'walk' the offset from the starting position to ensure we still
* have a valid point inside the document
*/
function normalizePoint(editor, point) {
var {
path,
offset
} = point;
if (!Editor.hasPath(editor, path)) {
return null;
}
var leaf = Node.get(editor, path);
if (!Text$1.isText(leaf)) {
return null;
}
var parentBlock = Editor.above(editor, {
match: n => Element$1.isElement(n) && Editor.isBlock(editor, n),
at: path
});
if (!parentBlock) {
return null;
}
while (offset > leaf.text.length) {
var entry = Editor.next(editor, {
at: path,
match: Text$1.isText
});
if (!entry || !Path.isDescendant(entry[1], parentBlock[1])) {
return null;
}
offset -= leaf.text.length;
leaf = entry[0];
path = entry[1];
}
return {
path,
offset
};
}
/**
* Normalize a 'pending selection' to ensure it's valid in the current document state.
*/
function normalizeRange(editor, range) {
var anchor = normalizePoint(editor, range.anchor);
if (!anchor) {
return null;
}
if (Range.isCollapsed(range)) {
return {
anchor,
focus: anchor
};
}
var focus = normalizePoint(editor, range.focus);
if (!focus) {
return null;
}
return {
anchor,
focus
};
}
function transformPendingPoint(editor, point, op) {
var pendingDiffs = EDITOR_TO_PENDING_DIFFS.get(editor);
var textDiff = pendingDiffs === null || pendingDiffs === void 0 ? void 0 : pendingDiffs.find(_ref => {
var {
path
} = _ref;
return Path.equals(path, point.path);
});
if (!textDiff || point.offset <= textDiff.diff.start) {
return Point.transform(point, op, {
affinity: 'backward'
});
}
var {
diff
} = textDiff; // Point references location inside the diff => transform the point based on the location
// the diff will be applied to and add the offset inside the diff.
if (point.offset <= diff.start + diff.text.length) {
var _anchor = {
path: point.path,
offset: diff.start
};
var _transformed = Point.transform(_anchor, op, {
affinity: 'backward'
});
if (!_transformed) {
return null;
}
return {
path: _transformed.path,
offset: _transformed.offset + point.offset - diff.start
};
} // Point references location after the diff
var anchor = {
path: point.path,
offset: point.offset - diff.text.length + diff.end - diff.start
};
var transformed = Point.transform(anchor, op, {
affinity: 'backward'
});
if (!transformed) {
return null;
}
if (op.type === 'split_node' && Path.equals(op.path, point.path) && anchor.offset < op.position && diff.start < op.position) {
return transformed;
}
return {
path: transformed.path,
offset: transformed.offset + diff.text.length - diff.end + diff.start
};
}
function transformPendingRange(editor, range, op) {
var anchor = transformPendingPoint(editor, range.anchor, op);
if (!anchor) {
return null;
}
if (Range.isCollapsed(range)) {
return {
anchor,
focus: anchor
};
}
var focus = transformPendingPoint(editor, range.focus, op);
if (!focus) {
return null;
}
return {
anchor,
focus
};
}
function transformTextDiff(textDiff, op) {
var {
path,
diff,
id
} = textDiff;
switch (op.type) {
case 'insert_text':
{
if (!Path.equals(op.path, path) || op.offset >= diff.end) {
return textDiff;
}
if (op.offset <= diff.start) {
return {
diff: {
start: op.text.length + diff.start,
end: op.text.length + diff.end,
text: diff.text
},
id,
path
};
}
return {
diff: {
start: diff.start,
end: diff.end + op.text.length,
text: diff.text
},
id,
path
};
}
case 'remove_text':
{
if (!Path.equals(op.path, path) || op.offset >= diff.end) {
return textDiff;
}
if (op.offset + op.text.length <= diff.start) {
return {
diff: {
start: diff.start - op.text.length,
end: diff.end - op.text.length,
text: diff.text
},
id,
path
};
}
return {
diff: {
start: diff.start,
end: diff.end - op.text.length,
text: diff.text
},
id,
path
};
}
case 'split_node':
{
if (!Path.equals(op.path, path) || op.position >= diff.end) {
return {
diff,
id,
path: Path.transform(path, op, {
affinity: 'backward'
})
};
}
if (op.position > diff.start) {
return {
diff: {
start: diff.start,
end: Math.min(op.position, diff.end),
text: diff.text
},
id,
path
};
}
return {
diff: {
start: diff.start - op.position,
end: diff.end - op.position,
text: diff.text
},
id,
path: Path.transform(path, op, {
affinity: 'forward'
})
};
}
case 'merge_node':
{
if (!Path.equals(op.path, path)) {
return {
diff,
id,
path: Path.transform(path, op)
};
}
return {
diff: {
start: diff.start + op.position,
end: diff.end + op.position,
text: diff.text
},
id,
path: Path.transform(path, op)
};
}
}
var newPath = Path.transform(path, op);
if (!newPath) {
return null;
}
return {
diff,
path: newPath,
id
};
}
function ownKeys$3(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
function _objectSpread$3(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys$3(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys$3(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
// When using keyboard English association function, conpositionEnd triggered too fast, resulting in after `insertText` still maintain association state.
var RESOLVE_DELAY = 25; // Time with no user interaction before the current user action is considered as done.
var FLUSH_DELAY = 200; // Replace with `const debug = console.log` to debug
var debug = function debug() {}; // Type guard to check if a value is a DataTransfer
var isDataTransfer = value => (value === null || value === void 0 ? void 0 : value.constructor.name) === 'DataTransfer';
function createAndroidInputManager(_ref) {
var {
editor,
scheduleOnDOMSelectionChange,
onDOMSelectionChange
} = _ref;
var flushing = false;
var compositionEndTimeoutId = null;
var flushTimeoutId = null;
var actionTimeoutId = null;
var idCounter = 0;
var insertPositionHint = false;
var applyPendingSelection = () => {
var pendingSelection = EDITOR_TO_PENDING_SELECTION.get(editor);
EDITOR_TO_PENDING_SELECTION.delete(editor);
if (pendingSelection) {
var {
selection
} = editor;
var normalized = normalizeRange(editor, pendingSelection);
if (normalized && (!selection || !Range.equals(normalized, selection))) {
Transforms.select(editor, normalized);
}
}
};
var performAction = () => {
var action = EDITOR_TO_PENDING_ACTION.get(editor);
EDITOR_TO_PENDING_ACTION.delete(editor);
if (!action) {
return;
}
if (action.at) {
var target = Point.isPoint(action.at) ? normalizePoint(editor, action.at) : normalizeRange(editor, action.at);
if (!target) {
return;
}
var _targetRange = Editor.range(editor, target);
if (!editor.selection || !Range.equals(editor.selection, _targetRange)) {
Transforms.select(editor, target);
}
}
action.run();
};
var flush = () => {
if (flushTimeoutId) {
clearTimeout(flushTimeoutId);
flushTimeoutId = null;
}
if (actionTimeoutId) {
clearTimeout(actionTimeoutId);
actionTimeoutId = null;
}
if (!hasPendingDiffs() && !hasPendingAction()) {
applyPendingSelection();
return;
}
if (!flushing) {
flushing = true;
setTimeout(() => flushing = false);
}
if (hasPendingAction()) {
flushing = 'action';
}
var selectionRef = editor.selection && Editor.rangeRef(editor, editor.selection, {
affinity: 'forward'
});
EDITOR_TO_USER_MARKS.set(editor, editor.marks);
debug('flush', EDITOR_TO_PENDING_ACTION.get(editor), EDITOR_TO_PENDING_DIFFS.get(editor));
var scheduleSelectionChange = hasPendingDiffs();
var diff;
while (diff = (_EDITOR_TO_PENDING_DI = EDITOR_TO_PENDING_DIFFS.get(editor)) === null || _EDITOR_TO_PENDING_DI === void 0 ? void 0 : _EDITOR_TO_PENDING_DI[0]) {
var _EDITOR_TO_PENDING_DI, _EDITOR_TO_PENDING_DI2;
var pendingMarks = EDITOR_TO_PENDING_INSERTION_MARKS.get(editor);
if (pendingMarks !== undefined) {
EDITOR_TO_PENDING_INSERTION_MARKS.delete(editor);
editor.marks = pendingMarks;
}
if (pendingMarks && insertPositionHint === false) {
insertPositionHint = null;
}
var range = targetRange(diff);
if (!editor.selection || !Range.equals(editor.selection, range)) {
Transforms.select(editor, range);
}
if (diff.diff.text) {
Editor.insertText(editor, diff.diff.text);
} else {
Editor.deleteFragment(editor);
} // Remove diff only after we have applied it to account for it when transforming
// pending ranges.
EDITOR_TO_PENDING_DIFFS.set(editor, (_EDITOR_TO_PENDING_DI2 = EDITOR_TO_PENDING_DIFFS.get(editor)) === null || _EDITOR_TO_PENDING_DI2 === void 0 ? void 0 : _EDITOR_TO_PENDING_DI2.filter(_ref2 => {
var {
id
} = _ref2;
return id !== diff.id;
}));
if (!verifyDiffState(editor, diff)) {
scheduleSelectionChange = false;
EDITOR_TO_PENDING_ACTION.delete(editor);
EDITOR_TO_USER_MARKS.delete(editor);
flushing = 'action'; // Ensure we don't restore the pending user (dom) selection
// since the document and dom state do not match.
EDITOR_TO_PENDING_SELECTION.delete(editor);
scheduleOnDOMSelectionChange.cancel();
onDOMSelectionChange.cancel();
selectionRef === null || selectionRef === void 0 ? void 0 : selectionRef.unref();
}
}
var selection = selectionRef === null || selectionRef === void 0 ? void 0 : selectionRef.unref();
if (selection && !EDITOR_TO_PENDING_SELECTION.get(editor) && (!editor.selection || !Range.equals(selection, editor.selection))) {
Transforms.select(editor, selection);
}
if (hasPendingAction()) {
performAction();
return;
} // COMPAT: The selectionChange event is fired after the action is performed,
// so we have to manually schedule it to ensure we don't 'throw away' the selection
// while rendering if we have pending changes.
if (scheduleSelectionChange) {
scheduleOnDOMSelectionChange();
}
scheduleOnDOMSelectionChange.flush();
onDOMSelectionChange.flush();
applyPendingSelection();
var userMarks = EDITOR_TO_USER_MARKS.get(editor);
EDITOR_TO_USER_MARKS.delete(editor);
if (userMarks !== undefined) {
editor.marks = userMarks;
editor.onChange();
}
};
var handleCompositionEnd = _event => {
if (compositionEndTimeoutId) {
clearTimeout(compositionEndTimeoutId);
}
compositionEndTimeoutId = setTimeout(() => {
IS_COMPOSING.set(editor, false);
flush();
}, RESOLVE_DELAY);
};
var handleCompositionStart = _event => {
IS_COMPOSING.set(editor, true);
if (compositionEndTimeoutId) {
clearTimeout(compositionEndTimeoutId);
compositionEndTimeoutId = null;
}
};
var updatePlaceholderVisibility = function updatePlaceholderVisibility() {
var forceHide = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
var placeholderElement = EDITOR_TO_PLACEHOLDER_ELEMENT.get(editor);
if (!placeholderElement) {
return;
}
if (hasPendingDiffs() || forceHide) {
placeholderElement.style.display = 'none';
return;
}
placeholderElement.style.removeProperty('display');
};
var storeDiff = (path, diff) => {
var _EDITOR_TO_PENDING_DI3;
var pendingDiffs = (_EDITOR_TO_PENDING_DI3 = EDITOR_TO_PENDING_DIFFS.get(editor)) !== null && _EDITOR_TO_PENDING_DI3 !== void 0 ? _EDITOR_TO_PENDING_DI3 : [];
EDITOR_TO_PENDING_DIFFS.set(editor, pendingDiffs);
var target = Node.leaf(editor, path);
var idx = pendingDiffs.findIndex(change => Path.equals(change.path, path));
if (idx < 0) {
var normalized = normalizeStringDiff(target.text, diff);
if (normalized) {
pendingDiffs.push({
path,
diff,
id: idCounter++
});
}
updatePlaceholderVisibility();
return;
}
var merged = mergeStringDiffs(target.text, pendingDiffs[idx].diff, diff);
if (!merged) {
pendingDiffs.splice(idx, 1);
updatePlaceholderVisibility();
return;
}
pendingDiffs[idx] = _objectSpread$3(_objectSpread$3({}, pendingDiffs[idx]), {}, {
diff: merged
});
};
var scheduleAction = function scheduleAction(run) {
var {
at
} = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
insertPositionHint = false;
EDITOR_TO_PENDING_SELECTION.delete(editor);
scheduleOnDOMSelectionChange.cancel();
onDOMSelectionChange.cancel();
if (hasPendingAction()) {
flush();
}
EDITOR_TO_PENDING_ACTION.set(editor, {
at,
run
}); // COMPAT: When deleting before a non-contenteditable element chrome only fires a beforeinput,
// (no input) and doesn't perform any dom mutations. Without a flush timeout we would never flush
// in this case and thus never actually perform the action.
actionTimeoutId = setTimeout(flush);
};
var handleDOMBeforeInput = event => {
var _targetRange2;
if (flushTimeoutId) {
clearTimeout(flushTimeoutId);
flushTimeoutId = null;
}
var {
inputType: type
} = event;
var targetRange = null;
var data = event.dataTransfer || event.data || undefined;
if (insertPositionHint !== false && type !== 'insertText' && type !== 'insertCompositionText') {
insertPositionHint = false;
}
var [nativeTargetRange] = event.getTargetRanges();
if (nativeTargetRange) {
targetRange = ReactEditor.toSlateRange(editor, nativeTargetRange, {
exactMatch: false,
suppressThrow: true
});
} // COMPAT: SelectionChange event is fired after the action is performed, so we
// have to manually get the selection here to ensure it's up-to-date.
var window = ReactEditor.getWindow(editor);
var domSelection = window.getSelection();
if (!targetRange && domSelection) {
nativeTargetRange = domSelection;
targetRange = ReactEditor.toSlateRange(editor, domSelection, {
exactMatch: false,
suppressThrow: true
});
}
targetRange = (_targetRange2 = targetRange) !== null && _targetRange2 !== void 0 ? _targetRange2 : editor.selection;
if (!targetRange) {
return;
} // By default, the input manager tries to store text diffs so that we can
// defer flushing them at a later point in time. We don't want to flush
// for every input event as this can be expensive. However, there are some
// scenarios where we cannot safely store the text diff and must instead
// schedule an action to let Slate normalize the editor state.
var canStoreDiff = true;
if (type.startsWith('delete')) {
if (Range.isExpanded(targetRange)) {
var [_start, _end] = Range.edges(targetRange);
var _leaf = Node.leaf(editor, _start.path);
if (_leaf.text.length === _start.offset && _end.offset === 0) {
var next = Editor.next(editor, {
at: _start.path,
match: Text$1.isText
});
if (next && Path.equals(next[1], _end.path)) {
targetRange = {
anchor: _end,
focus: _end
};
}
}
}
var direction = type.endsWith('Backward') ? 'backward' : 'forward';
var [start, end] = Range.edges(targetRange);
var [leaf, path] = Editor.leaf(editor, start.path);
var diff = {
text: '',
start: start.offset,
end: end.offset
};
var pendingDiffs = EDITOR_TO_PENDING_DIFFS.get(editor);
var relevantPendingDiffs = pendingDiffs === null || pendingDiffs === void 0 ? void 0 : pendingDiffs.find(change => Path.equals(change.path, path));
var diffs = relevantPendingDiffs ? [relevantPendingDiffs.diff, diff] : [diff];
var text = applyStringDiff(leaf.text, ...diffs);
if (text.length === 0) {
// Text leaf will be removed, so we need to schedule an
// action to remove it so that Slate can normalize instead
// of storing as a diff
canStoreDiff = false;
}
if (Range.isExpanded(targetRange)) {
if (canStoreDiff && Path.equals(targetRange.anchor.path, targetRange.focus.path)) {
var point = {
path: targetRange.anchor.path,
offset: start.offset
};
var range = Editor.range(editor, point, point);
handleUserSelect(range);
return storeDiff(targetRange.anchor.path, {
text: '',
end: end.offset,
start: start.offset
});
}
return scheduleAction(() => Editor.deleteFragment(editor, {
direction
}), {
at: targetRange
});
}
}
switch (type) {
case 'deleteByComposition':
case 'deleteByCut':
case 'deleteByDrag':
{
return scheduleAction(() => Editor.deleteFragment(editor), {
at: targetRange
});
}
case 'deleteContent':
case 'deleteContentForward':
{
var {
anchor
} = targetRange;
if (canStoreDiff && Range.isCollapsed(targetRange)) {
var targetNode = Node.leaf(editor, anchor.path);
if (anchor.offset < targetNode.text.length) {
return storeDiff(anchor.path, {
text: '',
start: anchor.offset,
end: anchor.offset + 1
});
}
}
return scheduleAction(() => Editor.deleteForward(editor), {
at: targetRange
});
}
case 'deleteContentBackward':
{
var _nativeTargetRange;
var {
anchor: _anchor
} = targetRange; // If we have a mismatch between the native and slate selection being collapsed
// we are most likely deleting a zero-width placeholder and thus should perform it
// as an action to ensure correct behavior (mostly happens with mark placeholders)
var nativeCollapsed = isDOMSelection(nativeTargetRange) ? nativeTargetRange.isCollapsed : !!((_nativeTargetRange = nativeTargetRange) !== null && _nativeTargetRange !== void 0 && _nativeTargetRange.collapsed);
if (canStoreDiff && nativeCollapsed && Range.isCollapsed(targetRange) && _anchor.offset > 0) {
return storeDiff(_anchor.path, {
text: '',
start: _anchor.offset - 1,
end: _anchor.offset
});
}
return scheduleAction(() => Editor.deleteBackward(editor), {
at: targetRange
});
}
case 'deleteEntireSoftLine':
{
return scheduleAction(() => {
Editor.deleteBackward(editor, {
unit: 'line'
});
Editor.deleteForward(editor, {
unit: 'line'
});
}, {
at: targetRange
});
}
case 'deleteHardLineBackward':
{
return scheduleAction(() => Editor.deleteBackward(editor, {
unit: 'block'
}), {
at: targetRange
});
}
case 'deleteSoftLineBackward':
{
return scheduleAction(() => Editor.deleteBackward(editor, {
unit: 'line'
}), {
at: targetRange
});
}
case 'deleteHardLineForward':
{
return scheduleAction(() => Editor.deleteForward(editor, {
unit: 'block'
}), {
at: targetRange
});
}
case 'deleteSoftLineForward':
{
return scheduleAction(() => Editor.deleteForward(editor, {
unit: 'line'
}), {
at: targetRange
});
}
case 'deleteWordBackward':
{
return scheduleAction(() => Editor.deleteBackward(editor, {
unit: 'word'
}), {
at: targetRange
});
}
case 'deleteWordForward':
{
return scheduleAction(() => Editor.deleteForward(editor, {
unit: 'word'
}), {
at: targetRange
});
}
case 'insertLineBreak':
{
return scheduleAction(() => Editor.insertSoftBreak(editor), {
at: targetRange
});
}
case 'insertParagraph':
{
return scheduleAction(() => Editor.insertBreak(editor), {
at: targetRange
});
}
case 'insertCompositionText':
case 'deleteCompositionText':
case 'insertFromComposition':
case 'insertFromDrop':
case 'insertFromPaste':
case 'insertFromYank':
case 'insertReplacementText':
case 'insertText':
{
if (isDataTransfer(data)) {
return scheduleAction(() => ReactEditor.insertData(editor, data), {
at: targetRange
});
}
var _text = data !== null && data !== void 0 ? data : ''; // COMPAT: If we are writing inside a placeholder, the ime inserts the text inside
// the placeholder itself and thus includes the zero-width space inside edit events.
if (EDITOR_TO_PENDING_INSERTION_MARKS.get(editor)) {
_text = _text.replace('\uFEFF', '');
} // Pastes from the Android clipboard will generate `insertText` events.
// If the copied text contains any newlines, Android will append an
// extra newline to the end of the copied text.
if (type === 'insertText' && /.*\n.*\n$/.test(_text)) {
_text = _text.slice(0, -1);
} // If the text includes a newline, split it at newlines and paste each component
// string, with soft breaks in between each.
if (_text.includes('\n')) {
return scheduleAction(() => {
var parts = _text.split('\n');
parts.forEach((line, i) => {
if (line) {
Editor.insertText(editor, line);
}
if (i !== parts.length - 1) {
Editor.insertSoftBreak(editor);
}
});
}, {
at: targetRange
});
}
if (Path.equals(targetRange.anchor.path, targetRange.focus.path)) {
var [_start2, _end2] = Range.edges(targetRange);
var _diff = {
start: _start2.offset,
end: _end2.offset,
text: _text
}; // COMPAT: Swiftkey has a weird bug where the target range of the 2nd word
// inserted after a mark placeholder is inserted with an anchor offset off by 1.
// So writing 'some text' will result in 'some ttext'. Luckily all 'normal' insert
// text events are fired with the correct target ranges, only the final 'insertComposition'
// isn't, so we can adjust the target range start offset if we are confident this is the
// swiftkey insert causing the issue.
if (_text && insertPositionHint && type === 'insertCompositionText') {
var hintPosition = insertPositionHint.start + insertPositionHint.text.search(/\S|$/);
var diffPosition = _diff.start + _diff.text.search(/\S|$/);
if (diffPosition === hintPosition + 1 && _diff.end === insertPositionHint.start + insertPositionHint.text.length) {
_diff.start -= 1;
insertPositionHint = null;
scheduleFlush();
} else {
insertPositionHint = false;
}
} else if (type === 'insertText') {
if (insertPositionHint === null) {
insertPositionHint = _diff;
} else if (insertPositionHint && Range.isCollapsed(targetRange) && insertPositionHint.end + insertPositionHint.text.length === _start2.offset) {
insertPositionHint = _objectSpread$3(_objectSpread$3({}, insertPositionHint), {}, {
text: insertPositionHint.text + _text
});
} else {
insertPositionHint = false;
}
} else {
insertPositionHint = false;
}
if (canStoreDiff) {
storeDiff(_start2.path, _diff);
return;
}
}
return scheduleAction(() => Editor.insertText(editor, _text), {
at: targetRange
});
}
}
};
var hasPendingAction = () => {
return !!EDITOR_TO_PENDING_ACTION.get(editor);
};
var hasPendingDiffs = () => {
var _EDITOR_TO_PENDING_DI4;
return !!((_EDITOR_TO_PENDING_DI4 = EDITOR_TO_PENDING_DIFFS.get(editor)) !== null && _EDITOR_TO_PENDING_DI4 !== void 0 && _EDITOR_TO_PENDING_DI4.length);
};
var hasPendingChanges = () => {
return hasPendingAction() || hasPendingDiffs();
};
var isFlushing = () => {
return flushing;
};
var handleUserSelect = range => {
EDITOR_TO_PENDING_SELECTION.set(editor, range);
if (flushTimeoutId) {
clearTimeout(flushTimeoutId);
flushTimeoutId = null;
}
var {
selection
} = editor;
if (!range) {
return;
}
var pathChanged = !selection || !Path.equals(selection.anchor.path, range.anchor.path);
var parentPathChanged = !selection || !Path.equals(selection.anchor.path.slice(0, -1), range.anchor.path.slice(0, -1));
if (pathChanged && insertPositionHint || parentPathChanged) {
insertPositionHint = false;
}
if (pathChanged || hasPendingDiffs()) {
flushTimeoutId = setTimeout(flush, FLUSH_DELAY);
}
};
var handleInput = () => {
if (hasPendingAction() || !hasPendingDiffs()) {
flush();
}
};
var handleKeyDown = _ => {
// COMPAT: Swiftkey closes the keyboard when typing inside a empty node
// directly next to a non-contenteditable element (= the placeholder).
// The only event fired soon enough for us to allow hiding the placeholder
// without swiftkey picking it up is the keydown event, so we have to hide it
// here. See https://github.com/ianstormtaylor/slate/pull/4988#issuecomment-1201050535
if (!hasPendingDiffs()) {
updatePlaceholderVisibility(true);
setTimeout(updatePlaceholderVisibility);
}
};
var scheduleFlush = () => {
if (!hasPendingAction()) {
actionTimeoutId = setTimeout(flush);
}
};
var handleDomMutations = mutations => {
if (hasPendingDiffs() || hasPendingAction()) {
return;
}
if (mutations.some(mutation => isTrackedMutation(editor, mutation, mutations))) {
var _EDITOR_TO_FORCE_REND;
// Cause a re-render to restore the dom state if we encounter tracked mutations without
// a corresponding pending action.
(_EDITOR_TO_FORCE_REND = EDITOR_TO_FORCE_RENDER.get(editor)) === null || _EDITOR_TO_FORCE_REND === void 0 ? void 0 : _EDITOR_TO_FORCE_REND();
}
};
return {
flush,
scheduleFlush,
hasPendingDiffs,
hasPendingAction,
hasPendingChanges,
isFlushing,
handleUserSelect,
handleCompositionEnd,
handleCompositionStart,
handleDOMBeforeInput,
handleKeyDown,
handleDomMutations,
handleInput
};
}
function useIsMounted() {
var isMountedRef = useRef(false);
useEffect(() => {
isMountedRef.current = true;
return () => {
isMountedRef.current = false;
};
}, []);
return isMountedRef.current;
}
function useMutationObserver(node, callback, options) {
var [mutationObserver] = useState(() => new MutationObserver(callback));
useIsomorphicLayoutEffect(() => {
// Discard mutations caused during render phase. This works due to react calling
// useLayoutEffect synchronously after the render phase before the next tick.
mutationObserver.takeRecords();
});
useEffect(() => {
if (!node.current) {
throw new Error('Failed to attach MutationObserver, `node` is undefined');
}
mutationObserver.observe(node.current, options);
return () => mutationObserver.disconnect();
}, []);
}
var _excluded$2 = ["node"];
function ownKeys$2(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
function _objectSpread$2(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys$2(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys$2(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
var MUTATION_OBSERVER_CONFIG = {
subtree: true,
childList: true,
characterData: true
};
function useAndroidInputManager(_ref) {
var {
node
} = _ref,
options = _objectWithoutProperties(_ref, _excluded$2);
if (!IS_ANDROID) {
return null;
}
var editor = useSlateStatic();
var isMounted = useIsMounted();
var [inputManager] = useState(() => createAndroidInputManager(_objectSpread$2({
editor
}, options)));
useMutationObserver(node, inputManager.handleDomMutations, MUTATION_OBSERVER_CONFIG);
EDITOR_TO_SCHEDULE_FLUSH.set(editor, inputManager.scheduleFlush);
if (isMounted) {
inputManager.flush();
}
return inputManager;
}
function useTrackUserInput() {
var editor = useSlateStatic();
var receivedUserInput = useRef(false);
var animationFrameIdRef = useRef(0);
var onUserInput = useCallback(() => {
if (receivedUserInput.current) {
return;
}
receivedUserInput.current = true;
var window = ReactEditor.getWindow(editor);
window.cancelAnimationFrame(animationFrameIdRef.current);
animationFrameIdRef.current = window.requestAnimationFrame(() => {
receivedUserInput.current = false;
});
}, []);
useEffect(() => () => cancelAnimationFrame(animationFrameIdRef.current), []);
return {
receivedUserInput,
onUserInput
};
}
var _excluded$1 = ["autoFocus", "decorate", "onDOMBeforeInput", "placeholder", "readOnly", "renderElement", "renderLeaf", "renderPlaceholder", "scrollSelectionIntoView", "style", "as", "disableDefaultStyles"],
_excluded2 = ["text"];
function ownKeys$1(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
function _objectSpread$1(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys$1(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys$1(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
var Children = props => /*#__PURE__*/React.createElement(React.Fragment, null, useChildren(props));
/**
* Editable.
*/
var Editable = props => {
var _EDITOR_TO_PLACEHOLDE, _EDITOR_TO_PLACEHOLDE2;
var defaultRenderPlaceholder = useCallback(props => /*#__PURE__*/React.createElement(DefaultPlaceholder, Object.assign({}, props)), []);
var {
autoFocus,
decorate = defaultDecorate,
onDOMBeforeInput: propsOnDOMBeforeInput,
placeholder,
readOnly = false,
renderElement,
renderLeaf,
renderPlaceholder = defaultRenderPlaceholder,
scrollSelectionIntoView = defaultScrollSelectionIntoView,
style: userStyle = {},
as: Component = 'div',
disableDefaultStyles = false
} = props,
attributes = _objectWithoutProperties(props, _excluded$1);
var editor = useSlate(); // Rerender editor when composition status changed
var [isComposing, setIsComposing] = useState(false);
var ref = useRef(null);
var deferredOperations = useRef([]);
var {
onUserInput,
receivedUserInput
} = useTrackUserInput();
var [, forceRender] = useReducer(s => s + 1, 0);
EDITOR_TO_FORCE_RENDER.set(editor, forceRender); // Update internal state on each render.
IS_READ_ONLY.set(editor, readOnly); // Keep track of some state for the event handler logic.
var state = useMemo(() => ({
isDraggingInternally: false,
isUpdatingSelection: false,
latestElement: null,
hasMarkPlaceholder: false
}), []); // The autoFocus TextareaHTMLAttribute doesn't do anything on a div, so it
// needs to be manually focused.
useEffect(() => {
if (ref.current && autoFocus) {
ref.current.focus();
}
}, [autoFocus]); // Listen on the native `selectionchange` event to be able to update any time
// the selection changes. This is required because React's `onSelect` is leaky
// and non-standard so it doesn't fire until after a selection has been
// released. This causes issues in situations where another change happens
// while a selection is being dragged.
var onDOMSelectionChange = useCallback(throttle(() => {
if ((IS_ANDROID || !ReactEditor.isComposing(editor)) && (!state.isUpdatingSelection || androidInputManager !== null && androidInputManager !== void 0 && androidInputManager.isFlushing()) && !state.isDraggingInternally) {
var root = ReactEditor.findDocumentOrShadowRoot(editor);
var {
activeElement
} = root;
var el = ReactEditor.toDOMNode(editor, editor);
var domSelection = root.getSelection();
if (activeElement === el) {
state.latestElement = activeElement;
IS_FOCUSED.set(editor, true);
} else {
IS_FOCUSED.delete(editor);
}
if (!domSelection) {
return Transforms.deselect(editor);
}
var {
anchorNode,
focusNode
} = domSelection;
var anchorNodeSelectable = ReactEditor.hasEditableTarget(editor, anchorNode) || ReactEditor.isTargetInsideNonReadonlyVoid(editor, anchorNode);
var focusNodeSelectable = ReactEditor.hasEditableTarget(editor, focusNode) || ReactEditor.isTargetInsideNonReadonlyVoid(editor, focusNode);
if (anchorNodeSelectable && focusNodeSelectable) {
var range = ReactEditor.toSlateRange(editor, domSelection, {
exactMatch: false,
suppressThrow: true
});
if (range) {
if (!ReactEditor.isComposing(editor) && !(androidInputManager !== null && androidInputManager !== void 0 && androidInputManager.hasPendingChanges()) && !(androidInputManager !== null && androidInputManager !== void 0 && androidInputManager.isFlushing())) {
Transforms.select(editor, range);
} else {
androidInputManager === null || androidInputManager === void 0 ? void 0 : androidInputManager.handleUserSelect(range);
}
}
} // Deselect the editor if the dom selection is not selectable in readonly mode
if (readOnly && (!anchorNodeSelectable || !focusNodeSelectable)) {
Transforms.deselect(editor);
}
}
}, 100), [readOnly]);
var scheduleOnDOMSelectionChange = useMemo(() => debounce(onDOMSelectionChange, 0), [onDOMSelectionChange]);
var androidInputManager = useAndroidInputManager({
node: ref,
onDOMSelectionChange,
scheduleOnDOMSelectionChange
});
useIsomorphicLayoutEffect(() => {
// Update element-related weak maps with the DOM element ref.
var window;
if (ref.current && (window = getDefaultView(ref.current))) {
EDITOR_TO_WINDOW.set(editor, window);
EDITOR_TO_ELEMENT.set(editor, ref.current);
NODE_TO_ELEMENT.set(editor, ref.current);
ELEMENT_TO_NODE.set(ref.current, editor);
} else {
NODE_TO_ELEMENT.delete(editor);
} // Make sure the DOM selection state is in sync.
var {
selection
} = editor;
var root = ReactEditor.findDocumentOrShadowRoot(editor);
var domSelection = root.getSelection();
if (!domSelection || !ReactEditor.isFocused(editor) || androidInputManager !== null && androidInputManager !== void 0 && androidInputManager.hasPendingAction()) {
return;
}
var setDomSelection = forceChange => {
var hasDomSelection = domSelection.type !== 'None'; // If the DOM selection is properly unset, we're done.
if (!selection && !hasDomSelection) {
return;
} // verify that the dom selection is in the editor
var editorElement = EDITOR_TO_ELEMENT.get(editor);
var hasDomSelectionInEditor = false;
if (editorElement.contains(domSelection.anchorNode) && editorElement.contains(domSelection.focusNode)) {
hasDomSelectionInEditor = true;
} // If the DOM selection is in the editor and the editor selection is already correct, we're done.
if (hasDomSelection && hasDomSelectionInEditor && selection && !forceChange) {
var slateRange = ReactEditor.toSlateRange(editor, domSelection, {
exactMatch: true,
// domSelection is not necessarily a valid Slate range
// (e.g. when clicking on contentEditable:false element)
suppressThrow: true
});
if (slateRange && Range.equals(slateRange, selection)) {
var _anchorNode$parentEle;
if (!state.hasMarkPlaceholder) {
return;
} // Ensure selection is inside the mark placeholder
var {
anchorNode
} = domSelection;
if (anchorNode !== null && anchorNode !== void 0 && (_anchorNode$parentEle = anchorNode.parentElement) !== null && _anchorNode$parentEle !== void 0 && _anchorNode$parentEle.hasAttribute('data-slate-mark-placeholder')) {
return;
}
}
} // when <Editable/> is being controlled through external value
// then its children might just change - DOM responds to it on its own
// but Slate's value is not being updated through any operation
// and thus it doesn't transform selection on its own
if (selection && !ReactEditor.hasRange(editor, selection)) {
editor.selection = ReactEditor.toSlateRange(editor, domSelection, {
exactMatch: false,
suppressThrow: true
});
return;
} // Otherwise the DOM selection is out of sync, so update it.
state.isUpdatingSelection = true;
var newDomRange = selection && ReactEditor.toDOMRange(editor, selection);
if (newDomRange) {
if (Range.isBackward(selection)) {
domSelection.setBaseAndExtent(newDomRange.endContainer, newDomRange.endOffset, newDomRange.startContainer, newDomRange.startOffset);
} else {
domSelection.setBaseAndExtent(newDomRange.startContainer, newDomRange.startOffset, newDomRange.endContainer, newDomRange.endOffset);
}
scrollSelectionIntoView(editor, newDomRange);
} else {
domSelection.removeAllRanges();
}
return newDomRange;
};
var newDomRange = setDomSelection();
var ensureSelection = (androidInputManager === null || androidInputManager === void 0 ? void 0 : androidInputManager.isFlushing()) === 'action';
if (!IS_ANDROID || !ensureSelection) {
setTimeout(() => {
// COMPAT: In Firefox, it's not enough to create a range, you also need
// to focus the contenteditable element too. (2016/11/16)
if (newDomRange && IS_FIREFOX) {
var el = ReactEditor.toDOMNode(editor, editor);
el.focus();
}
state.isUpdatingSelection = false;
});
return;
}
var timeoutId = null;
var animationFrameId = requestAnimationFrame(() => {
if (ensureSelection) {
var ensureDomSelection = forceChange => {
try {
var el = ReactEditor.toDOMNode(editor, editor);
el.focus();
setDomSelection(forceChange);
} catch (e) {// Ignore, dom and state might be out of sync
}
}; // Compat: Android IMEs try to force their selection by manually re-applying it even after we set it.
// This essentially would make setting the slate selection during an update meaningless, so we force it
// again here. We can't only do it in the setTimeout after the animation frame since that would cause a
// visible flicker.
ensureDomSelection();
timeoutId = setTimeout(() => {
// COMPAT: While setting the selection in an animation frame visually correctly sets the selection,
// it doesn't update GBoards spellchecker state. We have to manually trigger a selection change after
// the animation frame to ensure it displays the correct state.
ensureDomSelection(true);
state.isUpdatingSelection = false;
});
}
});
return () => {
cancelAnimationFrame(animationFrameId);
if (timeoutId) {
clearTimeout(timeoutId);
}
};
}); // Listen on the native `beforeinput` event to get real "Level 2" events. This
// is required because React's `beforeinput` is fake and never really attaches
// to the real event sadly. (2019/11/01)
// https://github.com/facebook/react/issues/11211
var onDOMBeforeInput = useCallback(event => {
onUserInput();
if (!readOnly && ReactEditor.hasEditableTarget(editor, event.target) && !isDOMEventHandled(event, propsOnDOMBeforeInput)) {
var _EDITOR_TO_USER_SELEC;
// COMPAT: BeforeInput events aren't cancelable on android, so we have to handle them differently using the android input manager.
if (androidInputManager) {
return androidInputManager.handleDOMBeforeInput(event);
} // Some IMEs/Chrome extensions like e.g. Grammarly set the selection immediately before
// triggering a `beforeinput` expecting the change to be applied to the immediately before
// set selection.
scheduleOnDOMSelectionChange.flush();
onDOMSelectionChange.flush();
var {
selection
} = editor;
var {
inputType: type
} = event;
var data = event.dataTransfer || event.data || undefined;
var isCompositionChange = type === 'insertCompositionText' || type === 'deleteCompositionText'; // COMPAT: use composition change events as a hint to where we should insert
// composition text if we aren't composing to work around https://github.com/ianstormtaylor/slate/issues/5038
if (isCompositionChange && ReactEditor.isComposing(editor)) {
return;
}
var native = false;
if (type === 'insertText' && selection && Range.isCollapsed(selection) && // Only use native character insertion for single characters a-z or space for now.
// Long-press events (hold a + press 4 = ä) to choose a special character otherwise
// causes duplicate inserts.
event.data && event.data.length === 1 && /[a-z ]/i.test(event.data) && // Chrome has issues correctly editing the start of nodes: https://bugs.chromium.org/p/chromium/issues/detail?id=1249405
// When there is an inline element, e.g. a link, and you select
// right after it (the start of the next node).
selection.anchor.offset !== 0) {
var _node$parentElement, _window$getComputedSt;
native = true; // Skip native if there are marks, as
// `insertText` will insert a node, not just text.
if (editor.marks) {
native = false;
} // Chrome also has issues correctly editing the end of anchor elements: https://bugs.chromium.org/p/chromium/issues/detail?id=1259100
// Therefore we don't allow native events to insert text at the end of anchor nodes.
var {
anchor
} = selection;
var [node, offset] = ReactEditor.toDOMPoint(editor, anchor);
var anchorNode = (_node$parentElement = node.parentElement) === null || _node$parentElement === void 0 ? void 0 : _node$parentElement.closest('a');
var window = ReactEditor.getWindow(editor);
if (native && anchorNode && ReactEditor.hasDOMNode(editor, anchorNode)) {
var _lastText$textContent;
// Find the last text node inside the anchor.
var lastText = window === null || window === void 0 ? void 0 : window.document.createTreeWalker(anchorNode, NodeFilter.SHOW_TEXT).lastChild();
if (lastText === node && ((_lastText$textContent = lastText.textContent) === null || _lastText$textContent === void 0 ? void 0 : _lastText$textContent.length) === offset) {
native = false;
}
} // Chrome has issues with the presence of tab characters inside elements with whiteSpace = 'pre'
// causing abnormal insert behavior: https://bugs.chromium.org/p/chromium/issues/detail?id=1219139
if (native && node.parentElement && (window === null || window === void 0 ? void 0 : (_window$getComputedSt = window.getComputedStyle(node.parentElement)) === null || _window$getComputedSt === void 0 ? void 0 : _window$getComputedSt.whiteSpace) === 'pre') {
var block = Editor.above(editor, {
at: anchor.path,
match: n => Element$1.isElement(n) && Editor.isBlock(editor, n)
});
if (block && Node.string(block[0]).includes('\t')) {
native = false;
}
}
} // COMPAT: For the deleting forward/backward input types we don't want
// to change the selection because it is the range that will be deleted,
// and those commands determine that for themselves.
if (!type.startsWith('delete') || type.startsWith('deleteBy')) {
var [targetRange] = event.getTargetRanges();
if (targetRange) {
var range = ReactEditor.toSlateRange(editor, targetRange, {
exactMatch: false,
suppressThrow: false
});
if (!selection || !Range.equals(selection, range)) {
native = false;
var selectionRef = !isCompositionChange && editor.selection && Editor.rangeRef(editor, editor.selection);
Transforms.select(editor, range);
if (selectionRef) {
EDITOR_TO_USER_SELECTION.set(editor, selectionRef);
}
}
}
} // Composition change types occur while a user is composing text and can't be
// cancelled. Let them through and wait for the composition to end.
if (isCompositionChange) {
return;
}
if (!native) {
event.preventDefault();
} // COMPAT: If the selection is expanded, even if the command seems like
// a delete forward/backward command it should delete the selection.
if (selection && Range.isExpanded(selection) && type.startsWith('delete')) {
var direction = type.endsWith('Backward') ? 'backward' : 'forward';
Editor.deleteFragment(editor, {
direction
});
return;
}
switch (type) {
case 'deleteByComposition':
case 'deleteByCut':
case 'deleteByDrag':
{
Editor.deleteFragment(editor);
break;
}
case 'deleteContent':
case 'deleteContentForward':
{
Editor.deleteForward(editor);
break;
}
case 'deleteContentBackward':
{
Editor.deleteBackward(editor);
break;
}
case 'deleteEntireSoftLine':
{
Editor.deleteBackward(editor, {
unit: 'line'
});
Editor.deleteForward(editor, {
unit: 'line'
});
break;
}
case 'deleteHardLineBackward':
{
Editor.deleteBackward(editor, {
unit: 'block'
});
break;
}
case 'deleteSoftLineBackward':
{
Editor.deleteBackward(editor, {
unit: 'line'
});
break;
}
case 'deleteHardLineForward':
{
Editor.deleteForward(editor, {
unit: 'block'
});
break;
}
case 'deleteSoftLineForward':
{
Editor.deleteForward(editor, {
unit: 'line'
});
break;
}
case 'deleteWordBackward':
{
Editor.deleteBackward(editor, {
unit: 'word'
});
break;
}
case 'deleteWordForward':
{
Editor.deleteForward(editor, {
unit: 'word'
});
break;
}
case 'insertLineBreak':
Editor.insertSoftBreak(editor);
break;
case 'insertParagraph':
{
Editor.insertBreak(editor);
break;
}
case 'insertFromComposition':
case 'insertFromDrop':
case 'insertFromPaste':
case 'insertFromYank':
case 'insertReplacementText':
case 'insertText':
{
if (type === 'insertFromComposition') {
// COMPAT: in Safari, `compositionend` is dispatched after the
// `beforeinput` for "insertFromComposition". But if we wait for it
// then we will abort because we're still composing and the selection
// won't be updated properly.
// https://www.w3.org/TR/input-events-2/
if (ReactEditor.isComposing(editor)) {
setIsComposing(false);
IS_COMPOSING.set(editor, false);
}
} // use a weak comparison instead of 'instanceof' to allow
// programmatic access of paste events coming from external windows
// like cypress where cy.window does not work realibly
if ((data === null || data === void 0 ? void 0 : data.constructor.name) === 'DataTransfer') {
ReactEditor.insertData(editor, data);
} else if (typeof data === 'string') {
// Only insertText operations use the native functionality, for now.
// Potentially expand to single character deletes, as well.
if (native) {
deferredOperations.current.push(() => Editor.insertText(editor, data));
} else {
Editor.insertText(editor, data);
}
}
break;
}
} // Restore the actual user section if nothing manually set it.
var toRestore = (_EDITOR_TO_USER_SELEC = EDITOR_TO_USER_SELECTION.get(editor)) === null || _EDITOR_TO_USER_SELEC === void 0 ? void 0 : _EDITOR_TO_USER_SELEC.unref();
EDITOR_TO_USER_SELECTION.delete(editor);
if (toRestore && (!editor.selection || !Range.equals(editor.selection, toRestore))) {
Transforms.select(editor, toRestore);
}
}
}, [readOnly, propsOnDOMBeforeInput]);
var callbackRef = useCallback(node => {
if (node == null) {
onDOMSelectionChange.cancel();
scheduleOnDOMSelectionChange.cancel();
EDITOR_TO_ELEMENT.delete(editor);
NODE_TO_ELEMENT.delete(editor);
if (ref.current && HAS_BEFORE_INPUT_SUPPORT) {
// @ts-ignore The `beforeinput` event isn't recognized.
ref.current.removeEventListener('beforeinput', onDOMBeforeInput);
}
} else {
// Attach a native DOM event handler for `beforeinput` events, because React's
// built-in `onBeforeInput` is actually a leaky polyfill that doesn't expose
// real `beforeinput` events sadly... (2019/11/04)
// https://github.com/facebook/react/issues/11211
if (HAS_BEFORE_INPUT_SUPPORT) {
// @ts-ignore The `beforeinput` event isn't recognized.
node.addEventListener('beforeinput', onDOMBeforeInput);
}
}
ref.current = node;
}, [ref, onDOMBeforeInput, onDOMSelectionChange, scheduleOnDOMSelectionChange]); // Attach a native DOM event handler for `selectionchange`, because React's
// built-in `onSelect` handler doesn't fire for all selection changes. It's a
// leaky polyfill that only fires on keypresses or clicks. Instead, we want to
// fire for any change to the selection inside the editor. (2019/11/04)
// https://github.com/facebook/react/issues/5785
useIsomorphicLayoutEffect(() => {
var window = ReactEditor.getWindow(editor);
window.document.addEventListener('selectionchange', scheduleOnDOMSelectionChange);
return () => {
window.document.removeEventListener('selectionchange', scheduleOnDOMSelectionChange);
};
}, [scheduleOnDOMSelectionChange]);
var decorations = decorate([editor, []]);
if (placeholder && editor.children.length === 1 && Array.from(Node.texts(editor)).length === 1 && Node.string(editor) === '' && !isComposing) {
var start = Editor.start(editor, []);
decorations.push({
[PLACEHOLDER_SYMBOL]: true,
placeholder,
anchor: start,
focus: start
});
}
var {
marks
} = editor;
state.hasMarkPlaceholder = false;
if (editor.selection && Range.isCollapsed(editor.selection) && marks) {
var {
anchor
} = editor.selection;
var leaf = Node.leaf(editor, anchor.path);
var rest = _objectWithoutProperties(leaf, _excluded2); // While marks isn't a 'complete' text, we can still use loose Text.equals
// here which only compares marks anyway.
if (!Text$1.equals(leaf, marks, {
loose: true
})) {
state.hasMarkPlaceholder = true;
var unset = Object.fromEntries(Object.keys(rest).map(mark => [mark, null]));
decorations.push(_objectSpread$1(_objectSpread$1(_objectSpread$1({
[MARK_PLACEHOLDER_SYMBOL]: true
}, unset), marks), {}, {
anchor,
focus: anchor
}));
}
} // Update EDITOR_TO_MARK_PLACEHOLDER_MARKS in setTimeout useEffect to ensure we don't set it
// before we receive the composition end event.
useEffect(() => {
setTimeout(() => {
var {
selection
} = editor;
if (selection) {
var {
anchor: _anchor
} = selection;
var _text = Node.leaf(editor, _anchor.path); // While marks isn't a 'complete' text, we can still use loose Text.equals
// here which only compares marks anyway.
if (marks && !Text$1.equals(_text, marks, {
loose: true
})) {
EDITOR_TO_PENDING_INSERTION_MARKS.set(editor, marks);
return;
}
}
EDITOR_TO_PENDING_INSERTION_MARKS.delete(editor);
});
});
var placeholderHeight = (_EDITOR_TO_PLACEHOLDE = EDITOR_TO_PLACEHOLDER_ELEMENT.get(editor)) === null || _EDITOR_TO_PLACEHOLDE === void 0 ? void 0 : (_EDITOR_TO_PLACEHOLDE2 = _EDITOR_TO_PLACEHOLDE.getBoundingClientRect()) === null || _EDITOR_TO_PLACEHOLDE2 === void 0 ? void 0 : _EDITOR_TO_PLACEHOLDE2.height;
return /*#__PURE__*/React.createElement(ReadOnlyContext.Provider, {
value: readOnly
}, /*#__PURE__*/React.createElement(DecorateContext.Provider, {
value: decorate
}, /*#__PURE__*/React.createElement(RestoreDOM, {
node: ref,
receivedUserInput: receivedUserInput
}, /*#__PURE__*/React.createElement(Component, Object.assign({
role: readOnly ? undefined : 'textbox',
"aria-multiline": readOnly ? undefined : true
}, attributes, {
// COMPAT: Certain browsers don't support the `beforeinput` event, so we'd
// have to use hacks to make these replacement-based features work.
// For SSR situations HAS_BEFORE_INPUT_SUPPORT is false and results in prop
// mismatch warning app moves to browser. Pass-through consumer props when
// not CAN_USE_DOM (SSR) and default to falsy value
spellCheck: HAS_BEFORE_INPUT_SUPPORT || !CAN_USE_DOM ? attributes.spellCheck : false,
autoCorrect: HAS_BEFORE_INPUT_SUPPORT || !CAN_USE_DOM ? attributes.autoCorrect : 'false',
autoCapitalize: HAS_BEFORE_INPUT_SUPPORT || !CAN_USE_DOM ? attributes.autoCapitalize : 'false',
"data-slate-editor": true,
"data-slate-node": "value",
// explicitly set this
contentEditable: !readOnly,
// in some cases, a decoration needs access to the range / selection to decorate a text node,
// then you will select the whole text node when you select part the of text
// this magic zIndex="-1" will fix it
zindex: -1,
suppressContentEditableWarning: true,
ref: callbackRef,
style: _objectSpread$1(_objectSpread$1({}, disableDefaultStyles ? {} : _objectSpread$1({
// Allow positioning relative to the editable element.
position: 'relative',
// Prevent the default outline styles.
outline: 'none',
// Preserve adjacent whitespace and new lines.
whiteSpace: 'pre-wrap',
// Allow words to break if they are too long.
wordWrap: 'break-word'
}, placeholderHeight ? {
minHeight: placeholderHeight
} : {})), userStyle),
onBeforeInput: useCallback(event => {
// COMPAT: Certain browsers don't support the `beforeinput` event, so we
// fall back to React's leaky polyfill instead just for it. It
// only works for the `insertText` input type.
if (!HAS_BEFORE_INPUT_SUPPORT && !readOnly && !isEventHandled(event, attributes.onBeforeInput) && ReactEditor.hasSelectableTarget(editor, event.target)) {
event.preventDefault();
if (!ReactEditor.isComposing(editor)) {
var _text2 = event.data;
Editor.insertText(editor, _text2);
}
}
}, [readOnly]),
onInput: useCallback(event => {
if (isEventHandled(event, attributes.onInput)) {
return;
}
if (androidInputManager) {
androidInputManager.handleInput();
return;
} // Flush native operations, as native events will have propogated
// and we can correctly compare DOM text values in components
// to stop rendering, so that browser functions like autocorrect
// and spellcheck work as expected.
for (var op of deferredOperations.current) {
op();
}
deferredOperations.current = [];
}, []),
onBlur: useCallback(event => {
if (readOnly || state.isUpdatingSelection || !ReactEditor.hasSelectableTarget(editor, event.target) || isEventHandled(event, attributes.onBlur)) {
return;
} // COMPAT: If the current `activeElement` is still the previous
// one, this is due to the window being blurred when the tab
// itself becomes unfocused, so we want to abort early to allow to
// editor to stay focused when the tab becomes focused again.
var root = ReactEditor.findDocumentOrShadowRoot(editor);
if (state.latestElement === root.activeElement) {
return;
}
var {
relatedTarget
} = event;
var el = ReactEditor.toDOMNode(editor, editor); // COMPAT: The event should be ignored if the focus is returning
// to the editor from an embedded editable element (eg. an <input>
// element inside a void node).
if (relatedTarget === el) {
return;
} // COMPAT: The event should be ignored if the focus is moving from
// the editor to inside a void node's spacer element.
if (isDOMElement(relatedTarget) && relatedTarget.hasAttribute('data-slate-spacer')) {
return;
} // COMPAT: The event should be ignored if the focus is moving to a
// non- editable section of an element that isn't a void node (eg.
// a list item of the check list example).
if (relatedTarget != null && isDOMNode(relatedTarget) && ReactEditor.hasDOMNode(editor, relatedTarget)) {
var node = ReactEditor.toSlateNode(editor, relatedTarget);
if (Element$1.isElement(node) && !editor.isVoid(node)) {
return;
}
} // COMPAT: Safari doesn't always remove the selection even if the content-
// editable element no longer has focus. Refer to:
// https://stackoverflow.com/questions/12353247/force-contenteditable-div-to-stop-accepting-input-after-it-loses-focus-under-web
if (IS_SAFARI) {
var domSelection = root.getSelection();
domSelection === null || domSelection === void 0 ? void 0 : domSelection.removeAllRanges();
}
IS_FOCUSED.delete(editor);
}, [readOnly, attributes.onBlur]),
onClick: useCallback(event => {
if (ReactEditor.hasTarget(editor, event.target) && !isEventHandled(event, attributes.onClick) && isDOMNode(event.target)) {
var node = ReactEditor.toSlateNode(editor, event.target);
var path = ReactEditor.findPath(editor, node); // At this time, the Slate document may be arbitrarily different,
// because onClick handlers can change the document before we get here.
// Therefore we must check that this path actually exists,
// and that it still refers to the same node.
if (!Editor.hasPath(editor, path) || Node.get(editor, path) !== node) {
return;
}
if (event.detail === TRIPLE_CLICK && path.length >= 1) {
var blockPath = path;
if (!(Element$1.isElement(node) && Editor.isBlock(editor, node))) {
var _block$;
var block = Editor.above(editor, {
match: n => Element$1.isElement(n) && Editor.isBlock(editor, n),
at: path
});
blockPath = (_block$ = block === null || block === void 0 ? void 0 : block[1]) !== null && _block$ !== void 0 ? _block$ : path.slice(0, 1);
}
var range = Editor.range(editor, blockPath);
Transforms.select(editor, range);
return;
}
if (readOnly) {
return;
}
var _start = Editor.start(editor, path);
var end = Editor.end(editor, path);
var startVoid = Editor.void(editor, {
at: _start
});
var endVoid = Editor.void(editor, {
at: end
});
if (startVoid && endVoid && Path.equals(startVoid[1], endVoid[1])) {
var _range = Editor.range(editor, _start);
Transforms.select(editor, _range);
}
}
}, [readOnly, attributes.onClick]),
onCompositionEnd: useCallback(event => {
if (ReactEditor.hasSelectableTarget(editor, event.target)) {
if (ReactEditor.isComposing(editor)) {
setIsComposing(false);
IS_COMPOSING.set(editor, false);
}
androidInputManager === null || androidInputManager === void 0 ? void 0 : androidInputManager.handleCompositionEnd(event);
if (isEventHandled(event, attributes.onCompositionEnd) || IS_ANDROID) {
return;
} // COMPAT: In Chrome, `beforeinput` events for compositions
// aren't correct and never fire the "insertFromComposition"
// type that we need. So instead, insert whenever a composition
// ends since it will already have been committed to the DOM.
if (!IS_SAFARI && !IS_FIREFOX_LEGACY && !IS_IOS && !IS_WECHATBROWSER && !IS_UC_MOBILE && event.data) {
var placeholderMarks = EDITOR_TO_PENDING_INSERTION_MARKS.get(editor);
EDITOR_TO_PENDING_INSERTION_MARKS.delete(editor); // Ensure we insert text with the marks the user was actually seeing
if (placeholderMarks !== undefined) {
EDITOR_TO_USER_MARKS.set(editor, editor.marks);
editor.marks = placeholderMarks;
}
Editor.insertText(editor, event.data);
var userMarks = EDITOR_TO_USER_MARKS.get(editor);
EDITOR_TO_USER_MARKS.delete(editor);
if (userMarks !== undefined) {
editor.marks = userMarks;
}
}
}
}, [attributes.onCompositionEnd]),
onCompositionUpdate: useCallback(event => {
if (ReactEditor.hasSelectableTarget(editor, event.target) && !isEventHandled(event, attributes.onCompositionUpdate)) {
if (!ReactEditor.isComposing(editor)) {
setIsComposing(true);
IS_COMPOSING.set(editor, true);
}
}
}, [attributes.onCompositionUpdate]),
onCompositionStart: useCallback(event => {
if (ReactEditor.hasSelectableTarget(editor, event.target)) {
androidInputManager === null || androidInputManager === void 0 ? void 0 : androidInputManager.handleCompositionStart(event);
if (isEventHandled(event, attributes.onCompositionStart) || IS_ANDROID) {
return;
}
setIsComposing(true);
var {
selection
} = editor;
if (selection) {
if (Range.isExpanded(selection)) {
Editor.deleteFragment(editor);
return;
}
var inline = Editor.above(editor, {
match: n => Element$1.isElement(n) && Editor.isInline(editor, n),
mode: 'highest'
});
if (inline) {
var [, inlinePath] = inline;
if (Editor.isEnd(editor, selection.anchor, inlinePath)) {
var point = Editor.after(editor, inlinePath);
Transforms.setSelection(editor, {
anchor: point,
focus: point
});
}
}
}
}
}, [attributes.onCompositionStart]),
onCopy: useCallback(event => {
if (ReactEditor.hasSelectableTarget(editor, event.target) && !isEventHandled(event, attributes.onCopy)) {
event.preventDefault();
ReactEditor.setFragmentData(editor, event.clipboardData, 'copy');
}
}, [attributes.onCopy]),
onCut: useCallback(event => {
if (!readOnly && ReactEditor.hasSelectableTarget(editor, event.target) && !isEventHandled(event, attributes.onCut)) {
event.preventDefault();
ReactEditor.setFragmentData(editor, event.clipboardData, 'cut');
var {
selection
} = editor;
if (selection) {
if (Range.isExpanded(selection)) {
Editor.deleteFragment(editor);
} else {
var node = Node.parent(editor, selection.anchor.path);
if (Editor.isVoid(editor, node)) {
Transforms.delete(editor);
}
}
}
}
}, [readOnly, attributes.onCut]),
onDragOver: useCallback(event => {
if (ReactEditor.hasTarget(editor, event.target) && !isEventHandled(event, attributes.onDragOver)) {
// Only when the target is void, call `preventDefault` to signal
// that drops are allowed. Editable content is droppable by
// default, and calling `preventDefault` hides the cursor.
var node = ReactEditor.toSlateNode(editor, event.target);
if (Element$1.isElement(node) && Editor.isVoid(editor, node)) {
event.preventDefault();
}
}
}, [attributes.onDragOver]),
onDragStart: useCallback(event => {
if (!readOnly && ReactEditor.hasTarget(editor, event.target) && !isEventHandled(event, attributes.onDragStart)) {
var node = ReactEditor.toSlateNode(editor, event.target);
var path = ReactEditor.findPath(editor, node);
var voidMatch = Element$1.isElement(node) && Editor.isVoid(editor, node) || Editor.void(editor, {
at: path,
voids: true
}); // If starting a drag on a void node, make sure it is selected
// so that it shows up in the selection's fragment.
if (voidMatch) {
var range = Editor.range(editor, path);
Transforms.select(editor, range);
}
state.isDraggingInternally = true;
ReactEditor.setFragmentData(editor, event.dataTransfer, 'drag');
}
}, [readOnly, attributes.onDragStart]),
onDrop: useCallback(event => {
if (!readOnly && ReactEditor.hasTarget(editor, event.target) && !isEventHandled(event, attributes.onDrop)) {
event.preventDefault(); // Keep a reference to the dragged range before updating selection
var draggedRange = editor.selection; // Find the range where the drop happened
var range = ReactEditor.findEventRange(editor, event);
var data = event.dataTransfer;
Transforms.select(editor, range);
if (state.isDraggingInternally) {
if (draggedRange && !Range.equals(draggedRange, range) && !Editor.void(editor, {
at: range,
voids: true
})) {
Transforms.delete(editor, {
at: draggedRange
});
}
}
ReactEditor.insertData(editor, data); // When dragging from another source into the editor, it's possible
// that the current editor does not have focus.
if (!ReactEditor.isFocused(editor)) {
ReactEditor.focus(editor);
}
}
state.isDraggingInternally = false;
}, [readOnly, attributes.onDrop]),
onDragEnd: useCallback(event => {
if (!readOnly && state.isDraggingInternally && attributes.onDragEnd && ReactEditor.hasTarget(editor, event.target)) {
attributes.onDragEnd(event);
} // When dropping on a different droppable element than the current editor,
// `onDrop` is not called. So we need to clean up in `onDragEnd` instead.
// Note: `onDragEnd` is only called when `onDrop` is not called
state.isDraggingInternally = false;
}, [readOnly, attributes.onDragEnd]),
onFocus: useCallback(event => {
if (!readOnly && !state.isUpdatingSelection && ReactEditor.hasEditableTarget(editor, event.target) && !isEventHandled(event, attributes.onFocus)) {
var el = ReactEditor.toDOMNode(editor, editor);
var root = ReactEditor.findDocumentOrShadowRoot(editor);
state.latestElement = root.activeElement; // COMPAT: If the editor has nested editable elements, the focus
// can go to them. In Firefox, this must be prevented because it
// results in issues with keyboard navigation. (2017/03/30)
if (IS_FIREFOX && event.target !== el) {
el.focus();
return;
}
IS_FOCUSED.set(editor, true);
}
}, [readOnly, attributes.onFocus]),
onKeyDown: useCallback(event => {
if (!readOnly && ReactEditor.hasEditableTarget(editor, event.target)) {
androidInputManager === null || androidInputManager === void 0 ? void 0 : androidInputManager.handleKeyDown(event);
var {
nativeEvent
} = event; // COMPAT: The composition end event isn't fired reliably in all browsers,
// so we sometimes might end up stuck in a composition state even though we
// aren't composing any more.
if (ReactEditor.isComposing(editor) && nativeEvent.isComposing === false) {
IS_COMPOSING.set(editor, false);
setIsComposing(false);
}
if (isEventHandled(event, attributes.onKeyDown) || ReactEditor.isComposing(editor)) {
return;
}
var {
selection
} = editor;
var element = editor.children[selection !== null ? selection.focus.path[0] : 0];
var isRTL = getDirection(Node.string(element)) === 'rtl'; // COMPAT: Since we prevent the default behavior on
// `beforeinput` events, the browser doesn't think there's ever
// any history stack to undo or redo, so we have to manage these
// hotkeys ourselves. (2019/11/06)
if (Hotkeys.isRedo(nativeEvent)) {
event.preventDefault();
var maybeHistoryEditor = editor;
if (typeof maybeHistoryEditor.redo === 'function') {
maybeHistoryEditor.redo();
}
return;
}
if (Hotkeys.isUndo(nativeEvent)) {
event.preventDefault();
var _maybeHistoryEditor = editor;
if (typeof _maybeHistoryEditor.undo === 'function') {
_maybeHistoryEditor.undo();
}
return;
} // COMPAT: Certain browsers don't handle the selection updates
// properly. In Chrome, the selection isn't properly extended.
// And in Firefox, the selection isn't properly collapsed.
// (2017/10/17)
if (Hotkeys.isMoveLineBackward(nativeEvent)) {
event.preventDefault();
Transforms.move(editor, {
unit: 'line',
reverse: true
});
return;
}
if (Hotkeys.isMoveLineForward(nativeEvent)) {
event.preventDefault();
Transforms.move(editor, {
unit: 'line'
});
return;
}
if (Hotkeys.isExtendLineBackward(nativeEvent)) {
event.preventDefault();
Transforms.move(editor, {
unit: 'line',
edge: 'focus',
reverse: true
});
return;
}
if (Hotkeys.isExtendLineForward(nativeEvent)) {
event.preventDefault();
Transforms.move(editor, {
unit: 'line',
edge: 'focus'
});
return;
} // COMPAT: If a void node is selected, or a zero-width text node
// adjacent to an inline is selected, we need to handle these
// hotkeys manually because browsers won't be able to skip over
// the void node with the zero-width space not being an empty
// string.
if (Hotkeys.isMoveBackward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isCollapsed(selection)) {
Transforms.move(editor, {
reverse: !isRTL
});
} else {
Transforms.collapse(editor, {
edge: 'start'
});
}
return;
}
if (Hotkeys.isMoveForward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isCollapsed(selection)) {
Transforms.move(editor, {
reverse: isRTL
});
} else {
Transforms.collapse(editor, {
edge: 'end'
});
}
return;
}
if (Hotkeys.isMoveWordBackward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isExpanded(selection)) {
Transforms.collapse(editor, {
edge: 'focus'
});
}
Transforms.move(editor, {
unit: 'word',
reverse: !isRTL
});
return;
}
if (Hotkeys.isMoveWordForward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isExpanded(selection)) {
Transforms.collapse(editor, {
edge: 'focus'
});
}
Transforms.move(editor, {
unit: 'word',
reverse: isRTL
});
return;
} // COMPAT: Certain browsers don't support the `beforeinput` event, so we
// fall back to guessing at the input intention for hotkeys.
// COMPAT: In iOS, some of these hotkeys are handled in the
if (!HAS_BEFORE_INPUT_SUPPORT) {
// We don't have a core behavior for these, but they change the
// DOM if we don't prevent them, so we have to.
if (Hotkeys.isBold(nativeEvent) || Hotkeys.isItalic(nativeEvent) || Hotkeys.isTransposeCharacter(nativeEvent)) {
event.preventDefault();
return;
}
if (Hotkeys.isSoftBreak(nativeEvent)) {
event.preventDefault();
Editor.insertSoftBreak(editor);
return;
}
if (Hotkeys.isSplitBlock(nativeEvent)) {
event.preventDefault();
Editor.insertBreak(editor);
return;
}
if (Hotkeys.isDeleteBackward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isExpanded(selection)) {
Editor.deleteFragment(editor, {
direction: 'backward'
});
} else {
Editor.deleteBackward(editor);
}
return;
}
if (Hotkeys.isDeleteForward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isExpanded(selection)) {
Editor.deleteFragment(editor, {
direction: 'forward'
});
} else {
Editor.deleteForward(editor);
}
return;
}
if (Hotkeys.isDeleteLineBackward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isExpanded(selection)) {
Editor.deleteFragment(editor, {
direction: 'backward'
});
} else {
Editor.deleteBackward(editor, {
unit: 'line'
});
}
return;
}
if (Hotkeys.isDeleteLineForward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isExpanded(selection)) {
Editor.deleteFragment(editor, {
direction: 'forward'
});
} else {
Editor.deleteForward(editor, {
unit: 'line'
});
}
return;
}
if (Hotkeys.isDeleteWordBackward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isExpanded(selection)) {
Editor.deleteFragment(editor, {
direction: 'backward'
});
} else {
Editor.deleteBackward(editor, {
unit: 'word'
});
}
return;
}
if (Hotkeys.isDeleteWordForward(nativeEvent)) {
event.preventDefault();
if (selection && Range.isExpanded(selection)) {
Editor.deleteFragment(editor, {
direction: 'forward'
});
} else {
Editor.deleteForward(editor, {
unit: 'word'
});
}
return;
}
} else {
if (IS_CHROME || IS_SAFARI) {
// COMPAT: Chrome and Safari support `beforeinput` event but do not fire
// an event when deleting backwards in a selected void inline node
if (selection && (Hotkeys.isDeleteBackward(nativeEvent) || Hotkeys.isDeleteForward(nativeEvent)) && Range.isCollapsed(selection)) {
var currentNode = Node.parent(editor, selection.anchor.path);
if (Element$1.isElement(currentNode) && Editor.isVoid(editor, currentNode) && (Editor.isInline(editor, currentNode) || Editor.isBlock(editor, currentNode))) {
event.preventDefault();
Editor.deleteBackward(editor, {
unit: 'block'
});
return;
}
}
}
}
}
}, [readOnly, attributes.onKeyDown]),
onPaste: useCallback(event => {
if (!readOnly && ReactEditor.hasEditableTarget(editor, event.target) && !isEventHandled(event, attributes.onPaste)) {
// COMPAT: Certain browsers don't support the `beforeinput` event, so we
// fall back to React's `onPaste` here instead.
// COMPAT: Firefox, Chrome and Safari don't emit `beforeinput` events
// when "paste without formatting" is used, so fallback. (2020/02/20)
// COMPAT: Safari InputEvents generated by pasting won't include
// application/x-slate-fragment items, so use the
// ClipboardEvent here. (2023/03/15)
if (!HAS_BEFORE_INPUT_SUPPORT || isPlainTextOnlyPaste(event.nativeEvent) || IS_SAFARI) {
event.preventDefault();
ReactEditor.insertData(editor, event.clipboardData);
}
}
}, [readOnly, attributes.onPaste])
}), /*#__PURE__*/React.createElement(Children, {
decorations: decorations,
node: editor,
renderElement: renderElement,
renderPlaceholder: renderPlaceholder,
renderLeaf: renderLeaf,
selection: editor.selection
})))));
};
/**
* The default placeholder element
*/
var DefaultPlaceholder = _ref => {
var {
attributes,
children
} = _ref;
return (
/*#__PURE__*/
// COMPAT: Artificially add a line-break to the end on the placeholder element
// to prevent Android IMEs to pick up its content in autocorrect and to auto-capitalize the first letter
React.createElement("span", Object.assign({}, attributes), children, IS_ANDROID && /*#__PURE__*/React.createElement("br", null))
);
};
/**
* A default memoized decorate function.
*/
var defaultDecorate = () => [];
/**
* A default implement to scroll dom range into view.
*/
var defaultScrollSelectionIntoView = (editor, domRange) => {
// This was affecting the selection of multiple blocks and dragging behavior,
// so enabled only if the selection has been collapsed.
if (domRange.getBoundingClientRect && (!editor.selection || editor.selection && Range.isCollapsed(editor.selection))) {
var leafEl = domRange.startContainer.parentElement;
leafEl.getBoundingClientRect = domRange.getBoundingClientRect.bind(domRange);
scrollIntoView(leafEl, {
scrollMode: 'if-needed'
}); // @ts-expect-error an unorthodox delete D:
delete leafEl.getBoundingClientRect;
}
};
/**
* Check if an event is overrided by a handler.
*/
var isEventHandled = (event, handler) => {
if (!handler) {
return false;
} // The custom event handler may return a boolean to specify whether the event
// shall be treated as being handled or not.
var shouldTreatEventAsHandled = handler(event);
if (shouldTreatEventAsHandled != null) {
return shouldTreatEventAsHandled;
}
return event.isDefaultPrevented() || event.isPropagationStopped();
};
/**
* Check if a DOM event is overrided by a handler.
*/
var isDOMEventHandled = (event, handler) => {
if (!handler) {
return false;
} // The custom event handler may return a boolean to specify whether the event
// shall be treated as being handled or not.
var shouldTreatEventAsHandled = handler(event);
if (shouldTreatEventAsHandled != null) {
return shouldTreatEventAsHandled;
}
return event.defaultPrevented;
};
/**
* A React context for sharing the `focused` state of the editor.
*/
var FocusedContext = /*#__PURE__*/createContext(false);
/**
* Get the current `focused` state of the editor.
*/
var useFocused = () => {
return useContext(FocusedContext);
};
function isError(error) {
return error instanceof Error;
}
/**
* A React context for sharing the editor selector context in a way to control rerenders
*/
var SlateSelectorContext = /*#__PURE__*/createContext({});
var refEquality = (a, b) => a === b;
/**
* use redux style selectors to prevent rerendering on every keystroke.
* Bear in mind rerendering can only prevented if the returned value is a value type or for reference types (e.g. objects and arrays) add a custom equality function.
*
* Example:
* ```
* const isSelectionActive = useSlateSelector(editor => Boolean(editor.selection));
* ```
*/
function useSlateSelector(selector) {
var equalityFn = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : refEquality;
var [, forceRender] = useReducer(s => s + 1, 0);
var context = useContext(SlateSelectorContext);
if (!context) {
throw new Error("The `useSlateSelector` hook must be used inside the <Slate> component's context.");
}
var {
getSlate,
addEventListener
} = context;
var latestSubscriptionCallbackError = useRef();
var latestSelector = useRef(() => null);
var latestSelectedState = useRef(null);
var selectedState;
try {
if (selector !== latestSelector.current || latestSubscriptionCallbackError.current) {
selectedState = selector(getSlate());
} else {
selectedState = latestSelectedState.current;
}
} catch (err) {
if (latestSubscriptionCallbackError.current && isError(err)) {
err.message += "\nThe error may be correlated with this previous error:\n".concat(latestSubscriptionCallbackError.current.stack, "\n\n");
}
throw err;
}
useIsomorphicLayoutEffect(() => {
latestSelector.current = selector;
latestSelectedState.current = selectedState;
latestSubscriptionCallbackError.current = undefined;
});
useIsomorphicLayoutEffect(() => {
function checkForUpdates() {
try {
var newSelectedState = latestSelector.current(getSlate());
if (equalityFn(newSelectedState, latestSelectedState.current)) {
return;
}
latestSelectedState.current = newSelectedState;
} catch (err) {
// we ignore all errors here, since when the component
// is re-rendered, the selectors are called again, and
// will throw again, if neither props nor store state
// changed
latestSubscriptionCallbackError.current = err;
}
forceRender();
}
var unsubscribe = addEventListener(checkForUpdates);
checkForUpdates();
return () => unsubscribe();
}, // don't rerender on equalityFn change since we want to be able to define it inline
[addEventListener, getSlate]);
return selectedState;
}
/**
* Create selector context with editor updating on every editor change
*/
function getSelectorContext(editor) {
var eventListeners = useRef([]).current;
var slateRef = useRef({
editor
}).current;
var onChange = useCallback(editor => {
slateRef.editor = editor;
eventListeners.forEach(listener => listener(editor));
}, []);
var selectorContext = useMemo(() => {
return {
getSlate: () => slateRef.editor,
addEventListener: callback => {
eventListeners.push(callback);
return () => {
eventListeners.splice(eventListeners.indexOf(callback), 1);
};
}
};
}, [eventListeners, slateRef]);
return {
selectorContext,
onChange
};
}
var _excluded = ["editor", "children", "onChange", "value"];
/**
* A wrapper around the provider to handle `onChange` events, because the editor
* is a mutable singleton so it won't ever register as "changed" otherwise.
*/
var Slate = props => {
var {
editor,
children,
onChange,
value
} = props,
rest = _objectWithoutProperties(props, _excluded);
var unmountRef = useRef(false);
var [context, setContext] = React.useState(() => {
if (!Node.isNodeList(value)) {
throw new Error("[Slate] value is invalid! Expected a list of elements but got: ".concat(Scrubber.stringify(value)));
}
if (!Editor.isEditor(editor)) {
throw new Error("[Slate] editor is invalid! You passed: ".concat(Scrubber.stringify(editor)));
}
editor.children = value;
Object.assign(editor, rest);
return {
v: 0,
editor
};
});
var {
selectorContext,
onChange: handleSelectorChange
} = getSelectorContext(editor);
var onContextChange = useCallback(() => {
if (onChange) {
onChange(editor.children);
}
setContext(prevContext => ({
v: prevContext.v + 1,
editor
}));
handleSelectorChange(editor);
}, [onChange]);
useEffect(() => {
EDITOR_TO_ON_CHANGE.set(editor, onContextChange);
return () => {
EDITOR_TO_ON_CHANGE.set(editor, () => {});
unmountRef.current = true;
};
}, [onContextChange]);
var [isFocused, setIsFocused] = useState(ReactEditor.isFocused(editor));
useEffect(() => {
setIsFocused(ReactEditor.isFocused(editor));
});
useIsomorphicLayoutEffect(() => {
var fn = () => setIsFocused(ReactEditor.isFocused(editor));
if (IS_REACT_VERSION_17_OR_ABOVE) {
// In React >= 17 onFocus and onBlur listen to the focusin and focusout events during the bubbling phase.
// Therefore in order for <Editable />'s handlers to run first, which is necessary for ReactEditor.isFocused(editor)
// to return the correct value, we have to listen to the focusin and focusout events without useCapture here.
document.addEventListener('focusin', fn);
document.addEventListener('focusout', fn);
return () => {
document.removeEventListener('focusin', fn);
document.removeEventListener('focusout', fn);
};
} else {
document.addEventListener('focus', fn, true);
document.addEventListener('blur', fn, true);
return () => {
document.removeEventListener('focus', fn, true);
document.removeEventListener('blur', fn, true);
};
}
}, []);
return /*#__PURE__*/React.createElement(SlateSelectorContext.Provider, {
value: selectorContext
}, /*#__PURE__*/React.createElement(SlateContext.Provider, {
value: context
}, /*#__PURE__*/React.createElement(EditorContext.Provider, {
value: context.editor
}, /*#__PURE__*/React.createElement(FocusedContext.Provider, {
value: isFocused
}, children))));
};
/**
* Get the current editor object from the React context.
* @deprecated Use useSlateStatic instead.
*/
var useEditor = () => {
var editor = useContext(EditorContext);
if (!editor) {
throw new Error("The `useEditor` hook must be used inside the <Slate> component's context.");
}
return editor;
};
/**
* Get the current slate selection.
* Only triggers a rerender when the selection actually changes
*/
var useSlateSelection = () => {
return useSlateSelector(editor => editor.selection, isSelectionEqual);
};
var isSelectionEqual = (a, b) => {
if (!a && !b) return true;
if (!a || !b) return false;
return Range.equals(a, b);
};
/**
* Utilities for single-line deletion
*/
var doRectsIntersect = (rect, compareRect) => {
var middle = (compareRect.top + compareRect.bottom) / 2;
return rect.top <= middle && rect.bottom >= middle;
};
var areRangesSameLine = (editor, range1, range2) => {
var rect1 = ReactEditor.toDOMRange(editor, range1).getBoundingClientRect();
var rect2 = ReactEditor.toDOMRange(editor, range2).getBoundingClientRect();
return doRectsIntersect(rect1, rect2) && doRectsIntersect(rect2, rect1);
};
/**
* A helper utility that returns the end portion of a `Range`
* which is located on a single line.
*
* @param {Editor} editor The editor object to compare against
* @param {Range} parentRange The parent range to compare against
* @returns {Range} A valid portion of the parentRange which is one a single line
*/
var findCurrentLineRange = (editor, parentRange) => {
var parentRangeBoundary = Editor.range(editor, Range.end(parentRange));
var positions = Array.from(Editor.positions(editor, {
at: parentRange
}));
var left = 0;
var right = positions.length;
var middle = Math.floor(right / 2);
if (areRangesSameLine(editor, Editor.range(editor, positions[left]), parentRangeBoundary)) {
return Editor.range(editor, positions[left], parentRangeBoundary);
}
if (positions.length < 2) {
return Editor.range(editor, positions[positions.length - 1], parentRangeBoundary);
}
while (middle !== positions.length && middle !== left) {
if (areRangesSameLine(editor, Editor.range(editor, positions[middle]), parentRangeBoundary)) {
right = middle;
} else {
left = middle;
}
middle = Math.floor((left + right) / 2);
}
return Editor.range(editor, positions[right], parentRangeBoundary);
};
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
/**
* `withReact` adds React and DOM specific behaviors to the editor.
*
* If you are using TypeScript, you must extend Slate's CustomTypes to use
* this plugin.
*
* See https://docs.slatejs.org/concepts/11-typescript to learn how.
*/
var withReact = function withReact(editor) {
var clipboardFormatKey = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'x-slate-fragment';
var e = editor;
var {
apply,
onChange,
deleteBackward,
addMark,
removeMark
} = e; // The WeakMap which maps a key to a specific HTMLElement must be scoped to the editor instance to
// avoid collisions between editors in the DOM that share the same value.
EDITOR_TO_KEY_TO_ELEMENT.set(e, new WeakMap());
e.addMark = (key, value) => {
var _EDITOR_TO_SCHEDULE_F, _EDITOR_TO_PENDING_DI;
(_EDITOR_TO_SCHEDULE_F = EDITOR_TO_SCHEDULE_FLUSH.get(e)) === null || _EDITOR_TO_SCHEDULE_F === void 0 ? void 0 : _EDITOR_TO_SCHEDULE_F();
if (!EDITOR_TO_PENDING_INSERTION_MARKS.get(e) && (_EDITOR_TO_PENDING_DI = EDITOR_TO_PENDING_DIFFS.get(e)) !== null && _EDITOR_TO_PENDING_DI !== void 0 && _EDITOR_TO_PENDING_DI.length) {
// Ensure the current pending diffs originating from changes before the addMark
// are applied with the current formatting
EDITOR_TO_PENDING_INSERTION_MARKS.set(e, null);
}
EDITOR_TO_USER_MARKS.delete(e);
addMark(key, value);
};
e.removeMark = key => {
var _EDITOR_TO_PENDING_DI2;
if (!EDITOR_TO_PENDING_INSERTION_MARKS.get(e) && (_EDITOR_TO_PENDING_DI2 = EDITOR_TO_PENDING_DIFFS.get(e)) !== null && _EDITOR_TO_PENDING_DI2 !== void 0 && _EDITOR_TO_PENDING_DI2.length) {
// Ensure the current pending diffs originating from changes before the addMark
// are applied with the current formatting
EDITOR_TO_PENDING_INSERTION_MARKS.set(e, null);
}
EDITOR_TO_USER_MARKS.delete(e);
removeMark(key);
};
e.deleteBackward = unit => {
if (unit !== 'line') {
return deleteBackward(unit);
}
if (e.selection && Range.isCollapsed(e.selection)) {
var parentBlockEntry = Editor.above(e, {
match: n => Element$1.isElement(n) && Editor.isBlock(e, n),
at: e.selection
});
if (parentBlockEntry) {
var [, parentBlockPath] = parentBlockEntry;
var parentElementRange = Editor.range(e, parentBlockPath, e.selection.anchor);
var currentLineRange = findCurrentLineRange(e, parentElementRange);
if (!Range.isCollapsed(currentLineRange)) {
Transforms.delete(e, {
at: currentLineRange
});
}
}
}
}; // This attempts to reset the NODE_TO_KEY entry to the correct value
// as apply() changes the object reference and hence invalidates the NODE_TO_KEY entry
e.apply = op => {
var matches = [];
var pendingDiffs = EDITOR_TO_PENDING_DIFFS.get(e);
if (pendingDiffs !== null && pendingDiffs !== void 0 && pendingDiffs.length) {
var transformed = pendingDiffs.map(textDiff => transformTextDiff(textDiff, op)).filter(Boolean);
EDITOR_TO_PENDING_DIFFS.set(e, transformed);
}
var pendingSelection = EDITOR_TO_PENDING_SELECTION.get(e);
if (pendingSelection) {
EDITOR_TO_PENDING_SELECTION.set(e, transformPendingRange(e, pendingSelection, op));
}
var pendingAction = EDITOR_TO_PENDING_ACTION.get(e);
if (pendingAction !== null && pendingAction !== void 0 && pendingAction.at) {
var at = Point.isPoint(pendingAction === null || pendingAction === void 0 ? void 0 : pendingAction.at) ? transformPendingPoint(e, pendingAction.at, op) : transformPendingRange(e, pendingAction.at, op);
EDITOR_TO_PENDING_ACTION.set(e, at ? _objectSpread(_objectSpread({}, pendingAction), {}, {
at
}) : null);
}
switch (op.type) {
case 'insert_text':
case 'remove_text':
case 'set_node':
case 'split_node':
{
matches.push(...getMatches(e, op.path));
break;
}
case 'set_selection':
{
var _EDITOR_TO_USER_SELEC;
// Selection was manually set, don't restore the user selection after the change.
(_EDITOR_TO_USER_SELEC = EDITOR_TO_USER_SELECTION.get(e)) === null || _EDITOR_TO_USER_SELEC === void 0 ? void 0 : _EDITOR_TO_USER_SELEC.unref();
EDITOR_TO_USER_SELECTION.delete(e);
break;
}
case 'insert_node':
case 'remove_node':
{
matches.push(...getMatches(e, Path.parent(op.path)));
break;
}
case 'merge_node':
{
var prevPath = Path.previous(op.path);
matches.push(...getMatches(e, prevPath));
break;
}
case 'move_node':
{
var commonPath = Path.common(Path.parent(op.path), Path.parent(op.newPath));
matches.push(...getMatches(e, commonPath));
break;
}
}
apply(op);
for (var [path, key] of matches) {
var [node] = Editor.node(e, path);
NODE_TO_KEY.set(node, key);
}
};
e.setFragmentData = data => {
var {
selection
} = e;
if (!selection) {
return;
}
var [start, end] = Range.edges(selection);
var startVoid = Editor.void(e, {
at: start.path
});
var endVoid = Editor.void(e, {
at: end.path
});
if (Range.isCollapsed(selection) && !startVoid) {
return;
} // Create a fake selection so that we can add a Base64-encoded copy of the
// fragment to the HTML, to decode on future pastes.
var domRange = ReactEditor.toDOMRange(e, selection);
var contents = domRange.cloneContents();
var attach = contents.childNodes[0]; // Make sure attach is non-empty, since empty nodes will not get copied.
contents.childNodes.forEach(node => {
if (node.textContent && node.textContent.trim() !== '') {
attach = node;
}
}); // COMPAT: If the end node is a void node, we need to move the end of the
// range from the void node's spacer span, to the end of the void node's
// content, since the spacer is before void's content in the DOM.
if (endVoid) {
var [voidNode] = endVoid;
var r = domRange.cloneRange();
var domNode = ReactEditor.toDOMNode(e, voidNode);
r.setEndAfter(domNode);
contents = r.cloneContents();
} // COMPAT: If the start node is a void node, we need to attach the encoded
// fragment to the void node's content node instead of the spacer, because
// attaching it to empty `<div>/<span>` nodes will end up having it erased by
// most browsers. (2018/04/27)
if (startVoid) {
attach = contents.querySelector('[data-slate-spacer]');
} // Remove any zero-width space spans from the cloned DOM so that they don't
// show up elsewhere when pasted.
Array.from(contents.querySelectorAll('[data-slate-zero-width]')).forEach(zw => {
var isNewline = zw.getAttribute('data-slate-zero-width') === 'n';
zw.textContent = isNewline ? '\n' : '';
}); // Set a `data-slate-fragment` attribute on a non-empty node, so it shows up
// in the HTML, and can be used for intra-Slate pasting. If it's a text
// node, wrap it in a `<span>` so we have something to set an attribute on.
if (isDOMText(attach)) {
var span = attach.ownerDocument.createElement('span'); // COMPAT: In Chrome and Safari, if we don't add the `white-space` style
// then leading and trailing spaces will be ignored. (2017/09/21)
span.style.whiteSpace = 'pre';
span.appendChild(attach);
contents.appendChild(span);
attach = span;
}
var fragment = e.getFragment();
var string = JSON.stringify(fragment);
var encoded = window.btoa(encodeURIComponent(string));
attach.setAttribute('data-slate-fragment', encoded);
data.setData("application/".concat(clipboardFormatKey), encoded); // Add the content to a <div> so that we can get its inner HTML.
var div = contents.ownerDocument.createElement('div');
div.appendChild(contents);
div.setAttribute('hidden', 'true');
contents.ownerDocument.body.appendChild(div);
data.setData('text/html', div.innerHTML);
data.setData('text/plain', getPlainText(div));
contents.ownerDocument.body.removeChild(div);
return data;
};
e.insertData = data => {
if (!e.insertFragmentData(data)) {
e.insertTextData(data);
}
};
e.insertFragmentData = data => {
/**
* Checking copied fragment from application/x-slate-fragment or data-slate-fragment
*/
var fragment = data.getData("application/".concat(clipboardFormatKey)) || getSlateFragmentAttribute(data);
if (fragment) {
var decoded = decodeURIComponent(window.atob(fragment));
var parsed = JSON.parse(decoded);
e.insertFragment(parsed);
return true;
}
return false;
};
e.insertTextData = data => {
var text = data.getData('text/plain');
if (text) {
var lines = text.split(/\r\n|\r|\n/);
var split = false;
for (var line of lines) {
if (split) {
Transforms.splitNodes(e, {
always: true
});
}
e.insertText(line);
split = true;
}
return true;
}
return false;
};
e.onChange = options => {
// COMPAT: React doesn't batch `setState` hook calls, which means that the
// children and selection can get out of sync for one render pass. So we
// have to use this unstable API to ensure it batches them. (2019/12/03)
// https://github.com/facebook/react/issues/14259#issuecomment-439702367
ReactDOM.unstable_batchedUpdates(() => {
var onContextChange = EDITOR_TO_ON_CHANGE.get(e);
if (onContextChange) {
onContextChange();
}
onChange(options);
});
};
return e;
};
var getMatches = (e, path) => {
var matches = [];
for (var [n, p] of Editor.levels(e, {
at: path
})) {
var key = ReactEditor.findKey(e, n);
matches.push([p, key]);
}
return matches;
};
export { DefaultElement, DefaultLeaf, DefaultPlaceholder, Editable, ReactEditor, Slate, useEditor, useFocused, useReadOnly, useSelected, useSlate, useSlateSelection, useSlateSelector, useSlateStatic, useSlateWithV, withReact };
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