'use strict';

var tslib = require('tslib');

const unreachable = (_) => {
    throw new Error("unreachable");
};

const mdastToSlate = (node, overrides) => {
    return buildSlateRoot(node, overrides);
};
const buildSlateRoot = (root, overrides) => {
    return convertNodes$3(root.children, {}, overrides);
};
const convertNodes$3 = (nodes, deco, overrides) => {
    return nodes.reduce((acc, node) => {
        acc.push(...buildSlateNode(node, deco, overrides));
        return acc;
    }, []);
};
const buildSlateNode = (node, deco, overrides) => {
    var _a;
    const customNode = (_a = overrides[node.type]) === null || _a === void 0 ? void 0 : _a.call(overrides, node, (children) => convertNodes$3(children, deco, overrides));
    if (customNode != null) {
        return [customNode];
    }
    switch (node.type) {
        case "paragraph":
            return [buildParagraph$1(node, deco, overrides)];
        case "heading":
            return [buildHeading$1(node, deco, overrides)];
        case "thematicBreak":
            return [buildThematicBreak$1(node)];
        case "blockquote":
            return [buildBlockquote$1(node, deco, overrides)];
        case "list":
            return [buildList$1(node, deco, overrides)];
        case "listItem":
            return [buildListItem$1(node, deco, overrides)];
        case "table":
            return [buildTable$1(node, deco, overrides)];
        case "tableRow":
            return [buildTableRow$1(node, deco, overrides)];
        case "tableCell":
            return [buildTableCell$1(node, deco, overrides)];
        case "html":
            return [buildHtml$1(node)];
        case "code":
            return [buildCode$1(node)];
        case "yaml":
            return [buildYaml$1(node)];
        case "toml":
            return [buildToml$1(node)];
        case "definition":
            return [buildDefinition$1(node)];
        case "footnoteDefinition":
            return [buildFootnoteDefinition$1(node, deco, overrides)];
        case "text":
            return [buildText(node.value, deco)];
        case "emphasis":
        case "strong":
        case "delete": {
            const { type, children } = node;
            return children.reduce((acc, n) => {
                acc.push(...buildSlateNode(n, Object.assign(Object.assign({}, deco), { [type]: true }), overrides));
                return acc;
            }, []);
        }
        case "inlineCode": {
            const { type, value } = node;
            return [buildText(value, Object.assign(Object.assign({}, deco), { [type]: true }))];
        }
        case "break":
            return [buildBreak$1(node)];
        case "link":
            return [buildLink$1(node, deco, overrides)];
        case "image":
            return [buildImage$1(node)];
        case "linkReference":
            return [buildLinkReference$1(node, deco, overrides)];
        case "imageReference":
            return [buildImageReference$1(node)];
        case "footnote":
            return [buildFootnote$1(node, deco, overrides)];
        case "footnoteReference":
            return [buildFootnoteReference(node)];
        case "math":
            return [buildMath$1(node)];
        case "inlineMath":
            return [buildInlineMath$1(node)];
        default:
            unreachable();
            break;
    }
    return [];
};
const buildParagraph$1 = ({ type, children }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
    };
};
const buildHeading$1 = ({ type, children, depth }, deco, overrides) => {
    return {
        type,
        depth,
        children: convertNodes$3(children, deco, overrides),
    };
};
const buildThematicBreak$1 = ({ type }) => {
    return {
        type,
        children: [{ text: "" }],
    };
};
const buildBlockquote$1 = ({ type, children }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
    };
};
const buildList$1 = ({ type, children, ordered, start, spread }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
        ordered,
        start,
        spread,
    };
};
const buildListItem$1 = ({ type, children, checked, spread }, deco, overrides) => {
    return {
        type,
        children: 
        // https://github.com/inokawa/remark-slate-transformer/issues/42
        // https://github.com/inokawa/remark-slate-transformer/issues/129
        children.length === 0
            ? [{ text: "" }]
            : convertNodes$3(children, deco, overrides),
        checked,
        spread,
    };
};
const buildTable$1 = ({ type, children, align }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
        align,
    };
};
const buildTableRow$1 = ({ type, children }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
    };
};
const buildTableCell$1 = ({ type, children }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
    };
};
const buildHtml$1 = ({ type, value }) => {
    return {
        type,
        children: [{ text: value }],
    };
};
const buildCode$1 = ({ type, value, lang, meta }) => {
    return {
        type,
        lang,
        meta,
        children: [{ text: value }],
    };
};
const buildYaml$1 = ({ type, value }) => {
    return {
        type,
        children: [{ text: value }],
    };
};
const buildToml$1 = ({ type, value }) => {
    return {
        type,
        children: [{ text: value }],
    };
};
const buildMath$1 = ({ type, value }) => {
    return {
        type,
        children: [{ text: value }],
    };
};
const buildInlineMath$1 = ({ type, value }) => {
    return {
        type,
        children: [{ text: value }],
    };
};
const buildDefinition$1 = ({ type, identifier, label, url, title, }) => {
    return {
        type,
        identifier,
        label,
        url,
        title,
        children: [{ text: "" }],
    };
};
const buildFootnoteDefinition$1 = ({ type, children, identifier, label }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
        identifier,
        label,
    };
};
const buildText = (text, deco) => {
    return Object.assign(Object.assign({}, deco), { text });
};
const buildBreak$1 = ({ type }) => {
    return {
        type,
        children: [{ text: "" }],
    };
};
const buildLink$1 = ({ type, children, url, title }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
        url,
        title,
    };
};
const buildImage$1 = ({ type, url, title, alt }) => {
    return {
        type,
        url,
        title,
        alt,
        children: [{ text: "" }],
    };
};
const buildLinkReference$1 = ({ type, children, referenceType, identifier, label }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
        referenceType,
        identifier,
        label,
    };
};
const buildImageReference$1 = ({ type, alt, referenceType, identifier, label, }) => {
    return {
        type,
        alt,
        referenceType,
        identifier,
        label,
        children: [{ text: "" }],
    };
};
const buildFootnote$1 = ({ type, children }, deco, overrides) => {
    return {
        type,
        children: convertNodes$3(children, deco, overrides),
    };
};
const buildFootnoteReference = ({ type, identifier, label, }) => {
    return {
        type,
        identifier,
        label,
        children: [{ text: "" }],
    };
};

const plugin$3 = function ({ overrides = {}, } = {}) {
    this.Compiler = function (node) {
        return mdastToSlate(node, overrides);
    };
};

const slateToMdast = (node, overrides) => {
    return buildMdastRoot(node, overrides);
};
const buildMdastRoot = (node, overrides) => {
    return {
        type: "root",
        children: convertNodes$2(node.children, overrides),
    };
};
const convertNodes$2 = (nodes, overrides) => {
    const mdastNodes = [];
    let textQueue = [];
    for (let i = 0; i <= nodes.length; i++) {
        const n = nodes[i];
        if (n && isText(n)) {
            textQueue.push(n);
        }
        else {
            mdastNodes.push(...convertTexts(textQueue));
            textQueue = [];
            if (!n)
                continue;
            const node = buildMdastNode(n, overrides);
            if (node) {
                mdastNodes.push(node);
            }
        }
    }
    return mdastNodes;
};
const convertTexts = (slateTexts) => {
    const mdastTexts = [];
    const starts = [];
    let ends = [];
    let textTemp = "";
    for (let j = 0; j < slateTexts.length; j++) {
        const cur = slateTexts[j];
        textTemp += cur.text;
        const prevStarts = starts.slice();
        const prevEnds = ends.slice();
        const prev = slateTexts[j - 1];
        const next = slateTexts[j + 1];
        ends = [];
        [
            "emphasis",
            "strong",
            "delete",
            // inlineCode should be last because of the spec in mdast
            // https://github.com/inokawa/remark-slate-transformer/issues/145
            "inlineCode",
        ].forEach((k) => {
            if (cur[k]) {
                if (!prev || !prev[k]) {
                    starts.push(k);
                }
                if (!next || !next[k]) {
                    ends.push(k);
                }
            }
        });
        const endsToRemove = starts.reduce((acc, k, kIndex) => {
            if (ends.includes(k)) {
                acc.push({ key: k, index: kIndex });
            }
            return acc;
        }, []);
        if (starts.length > 0) {
            let bef = "";
            let aft = "";
            if (endsToRemove.length === 1 &&
                (prevStarts.toString() !== starts.toString() ||
                    // https://github.com/inokawa/remark-slate-transformer/issues/90
                    (prevEnds.includes("emphasis") && ends.includes("strong"))) &&
                starts.length - endsToRemove.length === 0) {
                while (textTemp.startsWith(" ")) {
                    bef += " ";
                    textTemp = textTemp.slice(1);
                }
                while (textTemp.endsWith(" ")) {
                    aft += " ";
                    textTemp = textTemp.slice(0, -1);
                }
            }
            let res = {
                type: "text",
                value: textTemp,
            };
            textTemp = "";
            const startsReversed = starts.slice().reverse();
            startsReversed.forEach((k) => {
                switch (k) {
                    case "inlineCode":
                        res = {
                            type: k,
                            value: res.value,
                        };
                        break;
                    case "strong":
                    case "emphasis":
                    case "delete":
                        res = {
                            type: k,
                            children: [res],
                        };
                        break;
                    default:
                        unreachable();
                        break;
                }
            });
            const arr = [];
            if (bef.length > 0) {
                arr.push({ type: "text", value: bef });
            }
            arr.push(res);
            if (aft.length > 0) {
                arr.push({ type: "text", value: aft });
            }
            mdastTexts.push(...arr);
        }
        if (endsToRemove.length > 0) {
            endsToRemove.reverse().forEach((e) => {
                starts.splice(e.index, 1);
            });
        }
        else {
            mdastTexts.push({ type: "text", value: textTemp });
            textTemp = "";
        }
    }
    if (textTemp) {
        mdastTexts.push({ type: "text", value: textTemp });
        textTemp = "";
    }
    return mergeTexts(mdastTexts);
};
const buildMdastNode = (node, overrides) => {
    var _a;
    const customNode = (_a = overrides[node.type]) === null || _a === void 0 ? void 0 : _a.call(overrides, node, (children) => convertNodes$2(children, overrides));
    if (customNode != null) {
        return customNode;
    }
    switch (node.type) {
        case "paragraph":
            return buildParagraph(node, overrides);
        case "heading":
            return buildHeading(node, overrides);
        case "thematicBreak":
            return buildThematicBreak(node);
        case "blockquote":
            return buildBlockquote(node, overrides);
        case "list":
            return buildList(node, overrides);
        case "listItem":
            return buildListItem(node, overrides);
        case "table":
            return buildTable(node, overrides);
        case "tableRow":
            return buildTableRow(node, overrides);
        case "tableCell":
            return buildTableCell(node, overrides);
        case "html":
            return buildHtml(node);
        case "code":
            return buildCode(node);
        case "yaml":
            return buildYaml(node);
        case "toml":
            return buildToml(node);
        case "definition":
            return buildDefinition(node);
        case "footnoteDefinition":
            return buildFootnoteDefinition(node, overrides);
        case "break":
            return buildBreak(node);
        case "link":
            return buildLink(node, overrides);
        case "image":
            return buildImage(node);
        case "linkReference":
            return buildLinkReference(node, overrides);
        case "imageReference":
            return buildImageReference(node);
        case "footnote":
            return buildFootnote(node, overrides);
        case "footnoteReference":
            return creatFootnoteReference(node);
        case "math":
            return buildMath(node);
        case "inlineMath":
            return buildInlineMath(node);
        default:
            unreachable();
            break;
    }
    return null;
};
const isText = (node) => {
    return "text" in node;
};
const mergeTexts = (nodes) => {
    const res = [];
    for (const cur of nodes) {
        const last = res[res.length - 1];
        if (last && last.type === cur.type) {
            if (last.type === "text") {
                last.value += cur.value;
            }
            else if (last.type === "inlineCode") {
                last.value += cur.value;
            }
            else {
                last.children = mergeTexts(last.children.concat(cur.children));
            }
        }
        else {
            if (cur.type === "text" && cur.value === "")
                continue;
            res.push(cur);
        }
    }
    return res;
};
const buildParagraph = ({ type, children }, overrides) => {
    return {
        type,
        children: convertNodes$2(children, overrides),
    };
};
const buildHeading = ({ type, depth, children }, overrides) => {
    return {
        type,
        depth,
        children: convertNodes$2(children, overrides),
    };
};
const buildThematicBreak = ({ type, }) => {
    return {
        type,
    };
};
const buildBlockquote = ({ type, children }, overrides) => {
    return {
        type,
        children: convertNodes$2(children, overrides),
    };
};
const buildList = ({ type, ordered, start, spread, children }, overrides) => {
    return {
        type,
        ordered,
        start,
        spread,
        children: convertNodes$2(children, overrides),
    };
};
const buildListItem = ({ type, checked, spread, children }, overrides) => {
    return {
        type,
        checked,
        spread,
        children: convertNodes$2(children, overrides),
    };
};
const buildTable = ({ type, align, children }, overrides) => {
    return {
        type,
        align,
        children: convertNodes$2(children, overrides),
    };
};
const buildTableRow = ({ type, children }, overrides) => {
    return {
        type,
        children: convertNodes$2(children, overrides),
    };
};
const buildTableCell = ({ type, children }, overrides) => {
    return {
        type,
        children: convertNodes$2(children, overrides),
    };
};
const buildHtml = ({ type, children }) => {
    return {
        type,
        value: children[0].text,
    };
};
const buildCode = ({ type, lang, meta, children, }) => {
    return {
        type,
        lang,
        meta,
        value: children[0].text,
    };
};
const buildYaml = ({ type, children }) => {
    return {
        type,
        value: children[0].text,
    };
};
const buildToml = ({ type, children }) => {
    return {
        type,
        value: children[0].text,
    };
};
const buildDefinition = ({ type, identifier, label, url, title, }) => {
    return {
        type,
        identifier,
        label,
        url,
        title,
    };
};
const buildFootnoteDefinition = ({ type, identifier, label, children }, overrides) => {
    return {
        type,
        identifier,
        label,
        children: convertNodes$2(children, overrides),
    };
};
const buildBreak = ({ type }) => {
    return {
        type,
    };
};
const buildLink = ({ type, url, title, children }, overrides) => {
    return {
        type,
        url,
        title,
        children: convertNodes$2(children, overrides),
    };
};
const buildImage = ({ type, url, title, alt, }) => {
    return {
        type,
        url,
        title,
        alt,
    };
};
const buildLinkReference = ({ type, identifier, label, referenceType, children, }, overrides) => {
    return {
        type,
        identifier,
        label,
        referenceType,
        children: convertNodes$2(children, overrides),
    };
};
const buildImageReference = ({ type, identifier, label, alt, referenceType, }) => {
    return {
        type,
        identifier,
        label,
        alt,
        referenceType,
    };
};
const buildFootnote = ({ type, children }, overrides) => {
    return {
        type,
        children: convertNodes$2(children, overrides),
    };
};
const creatFootnoteReference = ({ type, identifier, label, }) => {
    return {
        type,
        identifier,
        label,
    };
};
const buildMath = ({ type, children }) => {
    return {
        type,
        value: children[0].text,
    };
};
const buildInlineMath = ({ type, children, }) => {
    return {
        type,
        value: children[0].text,
    };
};

const plugin$2 = ({ overrides = {}, } = {}) => {
    return function (node) {
        return slateToMdast(node, overrides);
    };
};

const slate047ToSlate = (nodes) => {
    return convertNodes$1(nodes);
};
const convertNodes$1 = (nodes) => {
    return nodes.reduce((acc, n) => {
        const node = convert$1(n);
        if (node) {
            acc.push(node);
        }
        return acc;
    }, []);
};
const convert$1 = (node) => {
    switch (node.object) {
        case "block": {
            const { type, nodes, data } = node;
            return Object.assign({ type, children: convertNodes$1(nodes) }, data);
        }
        case "inline": {
            const { type, nodes, data } = node;
            return Object.assign({ type, children: convertNodes$1(nodes) }, data);
        }
        case "text": {
            const { text = "", marks } = node;
            return Object.assign({ text }, marks === null || marks === void 0 ? void 0 : marks.reduce((acc, m) => {
                acc[m.type] = true;
                return acc;
            }, {}));
        }
    }
    return null;
};

const plugin$1 = function () {
    return function (node) {
        return slateToMdast({
            type: "root",
            children: slate047ToSlate(node.children),
        }, {});
    };
};

const slateToSlate047 = (nodes) => {
    return {
        object: "value",
        document: {
            object: "document",
            nodes: convertNodes(nodes),
        },
    };
};
const convertNodes = (nodes) => {
    return nodes.reduce((acc, n) => {
        const node = convert(n);
        if (node) {
            acc.push(node);
        }
        return acc;
    }, []);
};
const convert = (node) => {
    if ("text" in node) {
        const { text } = node, rest = tslib.__rest(node, ["text"]);
        const marks = Object.keys(rest).reduce((acc, type) => {
            if (!rest[type])
                return acc;
            acc.push({
                object: "mark",
                type,
            });
            return acc;
        }, []);
        const res = {
            object: "text",
            text,
            marks,
        };
        return res;
    }
    switch (node.type) {
        case "paragraph":
        case "heading":
        case "blockquote":
        case "list":
        case "listItem":
        case "table":
        case "tableRow":
        case "tableCell":
        case "html":
        case "code":
        case "yaml":
        case "toml":
        case "thematicBreak":
        case "definition":
        case "break":
        case "math": {
            const { type, children } = node, rest = tslib.__rest(node, ["type", "children"]);
            const res = {
                object: "block",
                type,
                nodes: convertNodes(children),
                data: Object.assign({}, rest),
            };
            return res;
        }
        case "footnoteDefinition":
        case "link":
        case "linkReference":
        case "image":
        case "imageReference":
        case "footnote":
        case "footnoteReference":
        case "inlineMath": {
            const { type, children } = node, rest = tslib.__rest(node, ["type", "children"]);
            const res = {
                object: "inline",
                type,
                nodes: convertNodes(children),
                data: Object.assign({}, rest),
            };
            return res;
        }
    }
    return null;
};

const plugin = function () {
    this.Compiler = function (node) {
        return slateToSlate047(mdastToSlate(node, {}));
    };
};

exports.mdastToSlate = mdastToSlate;
exports.remarkToSlate = plugin$3;
exports.remarkToSlateLegacy = plugin;
exports.slateToMdast = slateToMdast;
exports.slateToRemark = plugin$2;
exports.slateToRemarkLegacy = plugin$1;
//# sourceMappingURL=index.js.map