🎉 initiate project *astro_rewrite*

node_modules/mdast-util-gfm-strikethrough/lib/index.d.ts

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+/**
+ * Extension for `mdast-util-from-markdown` to enable GFM strikethrough.
+ *
+ * @type {FromMarkdownExtension}
+ */
+export const gfmStrikethroughFromMarkdown: FromMarkdownExtension
+/**
+ * Extension for `mdast-util-to-markdown` to enable GFM strikethrough.
+ *
+ * @type {ToMarkdownExtension}
+ */
+export const gfmStrikethroughToMarkdown: ToMarkdownExtension
+export type Delete = import('mdast').Delete
+export type CompileContext = import('mdast-util-from-markdown').CompileContext
+export type FromMarkdownExtension = import('mdast-util-from-markdown').Extension
+export type FromMarkdownHandle = import('mdast-util-from-markdown').Handle
+export type ConstructName = import('mdast-util-to-markdown').ConstructName
+export type ToMarkdownExtension = import('mdast-util-to-markdown').Options
+export type ToMarkdownHandle = import('mdast-util-to-markdown').Handle

node_modules/mdast-util-gfm-strikethrough/lib/index.js

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+/**
+ * @typedef {import('mdast').Delete} Delete
+ *
+ * @typedef {import('mdast-util-from-markdown').CompileContext} CompileContext
+ * @typedef {import('mdast-util-from-markdown').Extension} FromMarkdownExtension
+ * @typedef {import('mdast-util-from-markdown').Handle} FromMarkdownHandle
+ *
+ * @typedef {import('mdast-util-to-markdown').ConstructName} ConstructName
+ * @typedef {import('mdast-util-to-markdown').Options} ToMarkdownExtension
+ * @typedef {import('mdast-util-to-markdown').Handle} ToMarkdownHandle
+ */
+
+import {containerPhrasing} from 'mdast-util-to-markdown/lib/util/container-phrasing.js'
+import {track} from 'mdast-util-to-markdown/lib/util/track.js'
+
+// To do: next major: expose functions.
+// To do: next major: use `state`, state utilities.
+
+/**
+ * List of constructs that occur in phrasing (paragraphs, headings), but cannot
+ * contain strikethrough.
+ * So they sort of cancel each other out.
+ * Note: could use a better name.
+ *
+ * Note: keep in sync with: <https://github.com/syntax-tree/mdast-util-to-markdown/blob/8ce8dbf/lib/unsafe.js#L14>
+ *
+ * @type {Array<ConstructName>}
+ */
+const constructsWithoutStrikethrough = [
+  'autolink',
+  'destinationLiteral',
+  'destinationRaw',
+  'reference',
+  'titleQuote',
+  'titleApostrophe'
+]
+
+handleDelete.peek = peekDelete
+
+/**
+ * Extension for `mdast-util-from-markdown` to enable GFM strikethrough.
+ *
+ * @type {FromMarkdownExtension}
+ */
+export const gfmStrikethroughFromMarkdown = {
+  canContainEols: ['delete'],
+  enter: {strikethrough: enterStrikethrough},
+  exit: {strikethrough: exitStrikethrough}
+}
+
+/**
+ * Extension for `mdast-util-to-markdown` to enable GFM strikethrough.
+ *
+ * @type {ToMarkdownExtension}
+ */
+export const gfmStrikethroughToMarkdown = {
+  unsafe: [
+    {
+      character: '~',
+      inConstruct: 'phrasing',
+      notInConstruct: constructsWithoutStrikethrough
+    }
+  ],
+  handlers: {delete: handleDelete}
+}
+
+/**
+ * @this {CompileContext}
+ * @type {FromMarkdownHandle}
+ */
+function enterStrikethrough(token) {
+  this.enter({type: 'delete', children: []}, token)
+}
+
+/**
+ * @this {CompileContext}
+ * @type {FromMarkdownHandle}
+ */
+function exitStrikethrough(token) {
+  this.exit(token)
+}
+
+/**
+ * @type {ToMarkdownHandle}
+ * @param {Delete} node
+ */
+function handleDelete(node, _, context, safeOptions) {
+  const tracker = track(safeOptions)
+  const exit = context.enter('strikethrough')
+  let value = tracker.move('~~')
+  value += containerPhrasing(node, context, {
+    ...tracker.current(),
+    before: value,
+    after: '~'
+  })
+  value += tracker.move('~~')
+  exit()
+  return value
+}
+
+/** @type {ToMarkdownHandle} */
+function peekDelete() {
+  return '~'
+}