Refactor routing in App component to enhance navigation and improve error handling by integrating dynamic routes and updating the NotFound route.

node_modules/micromark-extension-gfm-task-list-item/dev/lib/syntax.js

@@ -0,0 +1,166 @@
+/**
+ * @import {Extension, State, TokenizeContext, Tokenizer} from 'micromark-util-types'
+ */
+
+import {ok as assert} from 'devlop'
+import {factorySpace} from 'micromark-factory-space'
+import {
+  markdownLineEnding,
+  markdownLineEndingOrSpace,
+  markdownSpace
+} from 'micromark-util-character'
+import {codes, types} from 'micromark-util-symbol'
+
+const tasklistCheck = {name: 'tasklistCheck', tokenize: tokenizeTasklistCheck}
+
+/**
+ * Create an HTML extension for `micromark` to support GFM task list items
+ * syntax.
+ *
+ * @returns {Extension}
+ *   Extension for `micromark` that can be passed in `htmlExtensions` to
+ *   support GFM task list items when serializing to HTML.
+ */
+export function gfmTaskListItem() {
+  return {
+    text: {[codes.leftSquareBracket]: tasklistCheck}
+  }
+}
+
+/**
+ * @this {TokenizeContext}
+ * @type {Tokenizer}
+ */
+function tokenizeTasklistCheck(effects, ok, nok) {
+  const self = this
+
+  return open
+
+  /**
+   * At start of task list item check.
+   *
+   * ```markdown
+   * > | * [x] y.
+   *       ^
+   * ```
+   *
+   * @type {State}
+   */
+  function open(code) {
+    assert(code === codes.leftSquareBracket, 'expected `[`')
+
+    if (
+      // Exit if there’s stuff before.
+      self.previous !== codes.eof ||
+      // Exit if not in the first content that is the first child of a list
+      // item.
+      !self._gfmTasklistFirstContentOfListItem
+    ) {
+      return nok(code)
+    }
+
+    effects.enter('taskListCheck')
+    effects.enter('taskListCheckMarker')
+    effects.consume(code)
+    effects.exit('taskListCheckMarker')
+    return inside
+  }
+
+  /**
+   * In task list item check.
+   *
+   * ```markdown
+   * > | * [x] y.
+   *        ^
+   * ```
+   *
+   * @type {State}
+   */
+  function inside(code) {
+    // Currently we match how GH works in files.
+    // To match how GH works in comments, use `markdownSpace` (`[\t ]`) instead
+    // of `markdownLineEndingOrSpace` (`[\t\n\r ]`).
+    if (markdownLineEndingOrSpace(code)) {
+      effects.enter('taskListCheckValueUnchecked')
+      effects.consume(code)
+      effects.exit('taskListCheckValueUnchecked')
+      return close
+    }
+
+    if (code === codes.uppercaseX || code === codes.lowercaseX) {
+      effects.enter('taskListCheckValueChecked')
+      effects.consume(code)
+      effects.exit('taskListCheckValueChecked')
+      return close
+    }
+
+    return nok(code)
+  }
+
+  /**
+   * At close of task list item check.
+   *
+   * ```markdown
+   * > | * [x] y.
+   *         ^
+   * ```
+   *
+   * @type {State}
+   */
+  function close(code) {
+    if (code === codes.rightSquareBracket) {
+      effects.enter('taskListCheckMarker')
+      effects.consume(code)
+      effects.exit('taskListCheckMarker')
+      effects.exit('taskListCheck')
+      return after
+    }
+
+    return nok(code)
+  }
+
+  /**
+   * @type {State}
+   */
+  function after(code) {
+    // EOL in paragraph means there must be something else after it.
+    if (markdownLineEnding(code)) {
+      return ok(code)
+    }
+
+    // Space or tab?
+    // Check what comes after.
+    if (markdownSpace(code)) {
+      return effects.check({tokenize: spaceThenNonSpace}, ok, nok)(code)
+    }
+
+    // EOF, or non-whitespace, both wrong.
+    return nok(code)
+  }
+}
+
+/**
+ * @this {TokenizeContext}
+ * @type {Tokenizer}
+ */
+function spaceThenNonSpace(effects, ok, nok) {
+  return factorySpace(effects, after, types.whitespace)
+
+  /**
+   * After whitespace, after task list item check.
+   *
+   * ```markdown
+   * > | * [x] y.
+   *           ^
+   * ```
+   *
+   * @type {State}
+   */
+  function after(code) {
+    // EOF means there was nothing, so bad.
+    // EOL means there’s content after it, so good.
+    // Impossible to have more spaces.
+    // Anything else is good.
+    return code === codes.eof ? nok(code) : ok(code)
+  }
+}