planning

node_modules/micromark/lib/util/slice-chunks.js

@@ -0,0 +1,43 @@
+'use strict'
+
+var assert = require('assert')
+
+function _interopDefaultLegacy(e) {
+  return e && typeof e === 'object' && 'default' in e ? e : {default: e}
+}
+
+var assert__default = /*#__PURE__*/ _interopDefaultLegacy(assert)
+
+function sliceChunks(chunks, token) {
+  var startIndex = token.start._index
+  var startBufferIndex = token.start._bufferIndex
+  var endIndex = token.end._index
+  var endBufferIndex = token.end._bufferIndex
+  var view
+
+  if (startIndex === endIndex) {
+    assert__default['default'](
+      endBufferIndex > -1,
+      'expected non-negative end buffer index'
+    )
+    assert__default['default'](
+      startBufferIndex > -1,
+      'expected non-negative start buffer index'
+    )
+    view = [chunks[startIndex].slice(startBufferIndex, endBufferIndex)]
+  } else {
+    view = chunks.slice(startIndex, endIndex)
+
+    if (startBufferIndex > -1) {
+      view[0] = view[0].slice(startBufferIndex)
+    }
+
+    if (endBufferIndex > 0) {
+      view.push(chunks[endIndex].slice(0, endBufferIndex))
+    }
+  }
+
+  return view
+}
+
+module.exports = sliceChunks