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

node_modules/micromark/dev/lib/initialize/content.d.ts

@@ -0,0 +1,4 @@
+/** @type {InitialConstruct} */
+export const content: InitialConstruct;
+import type { InitialConstruct } from 'micromark-util-types';
+//# sourceMappingURL=content.d.ts.map

node_modules/micromark/dev/lib/initialize/content.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"content.d.ts","sourceRoot":"","sources":["content.js"],"names":[],"mappings":"AAeA,+BAA+B;AAC/B,sBADW,gBAAgB,CACyB;sCAT1C,sBAAsB"}

node_modules/micromark/dev/lib/initialize/content.js

@@ -0,0 +1,99 @@
+/**
+ * @import {
+ *   InitialConstruct,
+ *   Initializer,
+ *   State,
+ *   TokenizeContext,
+ *   Token
+ * } from 'micromark-util-types'
+ */
+
+import {ok as assert} from 'devlop'
+import {factorySpace} from 'micromark-factory-space'
+import {markdownLineEnding} from 'micromark-util-character'
+import {codes, constants, types} from 'micromark-util-symbol'
+
+/** @type {InitialConstruct} */
+export const content = {tokenize: initializeContent}
+
+/**
+ * @this {TokenizeContext}
+ *   Context.
+ * @type {Initializer}
+ *   Content.
+ */
+function initializeContent(effects) {
+  const contentStart = effects.attempt(
+    this.parser.constructs.contentInitial,
+    afterContentStartConstruct,
+    paragraphInitial
+  )
+  /** @type {Token} */
+  let previous
+
+  return contentStart
+
+  /** @type {State} */
+  function afterContentStartConstruct(code) {
+    assert(
+      code === codes.eof || markdownLineEnding(code),
+      'expected eol or eof'
+    )
+
+    if (code === codes.eof) {
+      effects.consume(code)
+      return
+    }
+
+    effects.enter(types.lineEnding)
+    effects.consume(code)
+    effects.exit(types.lineEnding)
+    return factorySpace(effects, contentStart, types.linePrefix)
+  }
+
+  /** @type {State} */
+  function paragraphInitial(code) {
+    assert(
+      code !== codes.eof && !markdownLineEnding(code),
+      'expected anything other than a line ending or EOF'
+    )
+    effects.enter(types.paragraph)
+    return lineStart(code)
+  }
+
+  /** @type {State} */
+  function lineStart(code) {
+    const token = effects.enter(types.chunkText, {
+      contentType: constants.contentTypeText,
+      previous
+    })
+
+    if (previous) {
+      previous.next = token
+    }
+
+    previous = token
+
+    return data(code)
+  }
+
+  /** @type {State} */
+  function data(code) {
+    if (code === codes.eof) {
+      effects.exit(types.chunkText)
+      effects.exit(types.paragraph)
+      effects.consume(code)
+      return
+    }
+
+    if (markdownLineEnding(code)) {
+      effects.consume(code)
+      effects.exit(types.chunkText)
+      return lineStart
+    }
+
+    // Data.
+    effects.consume(code)
+    return data
+  }
+}

node_modules/micromark/dev/lib/initialize/document.d.ts

@@ -0,0 +1,10 @@
+/** @type {InitialConstruct} */
+export const document: InitialConstruct;
+/**
+ * Construct and its state.
+ */
+export type StackItem = [Construct, ContainerState];
+import type { InitialConstruct } from 'micromark-util-types';
+import type { Construct } from 'micromark-util-types';
+import type { ContainerState } from 'micromark-util-types';
+//# sourceMappingURL=document.d.ts.map

node_modules/micromark/dev/lib/initialize/document.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"document.d.ts","sourceRoot":"","sources":["document.js"],"names":[],"mappings":"AAyBA,+BAA+B;AAC/B,uBADW,gBAAgB,CAC2B;;;;wBAXzC,CAAC,SAAS,EAAE,cAAc,CAAC;sCAJ9B,sBAAsB;+BAAtB,sBAAsB;oCAAtB,sBAAsB"}

node_modules/micromark/dev/lib/initialize/document.js

@@ -0,0 +1,445 @@
+/**
+ * @import {
+ *   Construct,
+ *   ContainerState,
+ *   InitialConstruct,
+ *   Initializer,
+ *   Point,
+ *   State,
+ *   TokenizeContext,
+ *   Tokenizer,
+ *   Token
+ * } from 'micromark-util-types'
+ */
+
+/**
+ * @typedef {[Construct, ContainerState]} StackItem
+ *   Construct and its state.
+ */
+
+import {ok as assert} from 'devlop'
+import {factorySpace} from 'micromark-factory-space'
+import {markdownLineEnding} from 'micromark-util-character'
+import {splice} from 'micromark-util-chunked'
+import {codes, constants, types} from 'micromark-util-symbol'
+
+/** @type {InitialConstruct} */
+export const document = {tokenize: initializeDocument}
+
+/** @type {Construct} */
+const containerConstruct = {tokenize: tokenizeContainer}
+
+/**
+ * @this {TokenizeContext}
+ *   Self.
+ * @type {Initializer}
+ *   Initializer.
+ */
+function initializeDocument(effects) {
+  const self = this
+  /** @type {Array<StackItem>} */
+  const stack = []
+  let continued = 0
+  /** @type {TokenizeContext | undefined} */
+  let childFlow
+  /** @type {Token | undefined} */
+  let childToken
+  /** @type {number} */
+  let lineStartOffset
+
+  return start
+
+  /** @type {State} */
+  function start(code) {
+    // First we iterate through the open blocks, starting with the root
+    // document, and descending through last children down to the last open
+    // block.
+    // Each block imposes a condition that the line must satisfy if the block is
+    // to remain open.
+    // For example, a block quote requires a `>` character.
+    // A paragraph requires a non-blank line.
+    // In this phase we may match all or just some of the open blocks.
+    // But we cannot close unmatched blocks yet, because we may have a lazy
+    // continuation line.
+    if (continued < stack.length) {
+      const item = stack[continued]
+      self.containerState = item[1]
+      assert(
+        item[0].continuation,
+        'expected `continuation` to be defined on container construct'
+      )
+      return effects.attempt(
+        item[0].continuation,
+        documentContinue,
+        checkNewContainers
+      )(code)
+    }
+
+    // Done.
+    return checkNewContainers(code)
+  }
+
+  /** @type {State} */
+  function documentContinue(code) {
+    assert(
+      self.containerState,
+      'expected `containerState` to be defined after continuation'
+    )
+
+    continued++
+
+    // Note: this field is called `_closeFlow` but it also closes containers.
+    // Perhaps a good idea to rename it but it’s already used in the wild by
+    // extensions.
+    if (self.containerState._closeFlow) {
+      self.containerState._closeFlow = undefined
+
+      if (childFlow) {
+        closeFlow()
+      }
+
+      // Note: this algorithm for moving events around is similar to the
+      // algorithm when dealing with lazy lines in `writeToChild`.
+      const indexBeforeExits = self.events.length
+      let indexBeforeFlow = indexBeforeExits
+      /** @type {Point | undefined} */
+      let point
+
+      // Find the flow chunk.
+      while (indexBeforeFlow--) {
+        if (
+          self.events[indexBeforeFlow][0] === 'exit' &&
+          self.events[indexBeforeFlow][1].type === types.chunkFlow
+        ) {
+          point = self.events[indexBeforeFlow][1].end
+          break
+        }
+      }
+
+      assert(point, 'could not find previous flow chunk')
+
+      exitContainers(continued)
+
+      // Fix positions.
+      let index = indexBeforeExits
+
+      while (index < self.events.length) {
+        self.events[index][1].end = {...point}
+        index++
+      }
+
+      // Inject the exits earlier (they’re still also at the end).
+      splice(
+        self.events,
+        indexBeforeFlow + 1,
+        0,
+        self.events.slice(indexBeforeExits)
+      )
+
+      // Discard the duplicate exits.
+      self.events.length = index
+
+      return checkNewContainers(code)
+    }
+
+    return start(code)
+  }
+
+  /** @type {State} */
+  function checkNewContainers(code) {
+    // Next, after consuming the continuation markers for existing blocks, we
+    // look for new block starts (e.g. `>` for a block quote).
+    // If we encounter a new block start, we close any blocks unmatched in
+    // step 1 before creating the new block as a child of the last matched
+    // block.
+    if (continued === stack.length) {
+      // No need to `check` whether there’s a container, of `exitContainers`
+      // would be moot.
+      // We can instead immediately `attempt` to parse one.
+      if (!childFlow) {
+        return documentContinued(code)
+      }
+
+      // If we have concrete content, such as block HTML or fenced code,
+      // we can’t have containers “pierce” into them, so we can immediately
+      // start.
+      if (childFlow.currentConstruct && childFlow.currentConstruct.concrete) {
+        return flowStart(code)
+      }
+
+      // If we do have flow, it could still be a blank line,
+      // but we’d be interrupting it w/ a new container if there’s a current
+      // construct.
+      // To do: next major: remove `_gfmTableDynamicInterruptHack` (no longer
+      // needed in micromark-extension-gfm-table@1.0.6).
+      self.interrupt = Boolean(
+        childFlow.currentConstruct && !childFlow._gfmTableDynamicInterruptHack
+      )
+    }
+
+    // Check if there is a new container.
+    self.containerState = {}
+    return effects.check(
+      containerConstruct,
+      thereIsANewContainer,
+      thereIsNoNewContainer
+    )(code)
+  }
+
+  /** @type {State} */
+  function thereIsANewContainer(code) {
+    if (childFlow) closeFlow()
+    exitContainers(continued)
+    return documentContinued(code)
+  }
+
+  /** @type {State} */
+  function thereIsNoNewContainer(code) {
+    self.parser.lazy[self.now().line] = continued !== stack.length
+    lineStartOffset = self.now().offset
+    return flowStart(code)
+  }
+
+  /** @type {State} */
+  function documentContinued(code) {
+    // Try new containers.
+    self.containerState = {}
+    return effects.attempt(
+      containerConstruct,
+      containerContinue,
+      flowStart
+    )(code)
+  }
+
+  /** @type {State} */
+  function containerContinue(code) {
+    assert(
+      self.currentConstruct,
+      'expected `currentConstruct` to be defined on tokenizer'
+    )
+    assert(
+      self.containerState,
+      'expected `containerState` to be defined on tokenizer'
+    )
+    continued++
+    stack.push([self.currentConstruct, self.containerState])
+    // Try another.
+    return documentContinued(code)
+  }
+
+  /** @type {State} */
+  function flowStart(code) {
+    if (code === codes.eof) {
+      if (childFlow) closeFlow()
+      exitContainers(0)
+      effects.consume(code)
+      return
+    }
+
+    childFlow = childFlow || self.parser.flow(self.now())
+    effects.enter(types.chunkFlow, {
+      _tokenizer: childFlow,
+      contentType: constants.contentTypeFlow,
+      previous: childToken
+    })
+
+    return flowContinue(code)
+  }
+
+  /** @type {State} */
+  function flowContinue(code) {
+    if (code === codes.eof) {
+      writeToChild(effects.exit(types.chunkFlow), true)
+      exitContainers(0)
+      effects.consume(code)
+      return
+    }
+
+    if (markdownLineEnding(code)) {
+      effects.consume(code)
+      writeToChild(effects.exit(types.chunkFlow))
+      // Get ready for the next line.
+      continued = 0
+      self.interrupt = undefined
+      return start
+    }
+
+    effects.consume(code)
+    return flowContinue
+  }
+
+  /**
+   * @param {Token} token
+   *   Token.
+   * @param {boolean | undefined} [endOfFile]
+   *   Whether the token is at the end of the file (default: `false`).
+   * @returns {undefined}
+   *   Nothing.
+   */
+  function writeToChild(token, endOfFile) {
+    assert(childFlow, 'expected `childFlow` to be defined when continuing')
+    const stream = self.sliceStream(token)
+    if (endOfFile) stream.push(null)
+    token.previous = childToken
+    if (childToken) childToken.next = token
+    childToken = token
+    childFlow.defineSkip(token.start)
+    childFlow.write(stream)
+
+    // Alright, so we just added a lazy line:
+    //
+    // ```markdown
+    // > a
+    // b.
+    //
+    // Or:
+    //
+    // > ~~~c
+    // d
+    //
+    // Or:
+    //
+    // > | e |
+    // f
+    // ```
+    //
+    // The construct in the second example (fenced code) does not accept lazy
+    // lines, so it marked itself as done at the end of its first line, and
+    // then the content construct parses `d`.
+    // Most constructs in markdown match on the first line: if the first line
+    // forms a construct, a non-lazy line can’t “unmake” it.
+    //
+    // The construct in the third example is potentially a GFM table, and
+    // those are *weird*.
+    // It *could* be a table, from the first line, if the following line
+    // matches a condition.
+    // In this case, that second line is lazy, which “unmakes” the first line
+    // and turns the whole into one content block.
+    //
+    // We’ve now parsed the non-lazy and the lazy line, and can figure out
+    // whether the lazy line started a new flow block.
+    // If it did, we exit the current containers between the two flow blocks.
+    if (self.parser.lazy[token.start.line]) {
+      let index = childFlow.events.length
+
+      while (index--) {
+        if (
+          // The token starts before the line ending…
+          childFlow.events[index][1].start.offset < lineStartOffset &&
+          // …and either is not ended yet…
+          (!childFlow.events[index][1].end ||
+            // …or ends after it.
+            childFlow.events[index][1].end.offset > lineStartOffset)
+        ) {
+          // Exit: there’s still something open, which means it’s a lazy line
+          // part of something.
+          return
+        }
+      }
+
+      // Note: this algorithm for moving events around is similar to the
+      // algorithm when closing flow in `documentContinue`.
+      const indexBeforeExits = self.events.length
+      let indexBeforeFlow = indexBeforeExits
+      /** @type {boolean | undefined} */
+      let seen
+      /** @type {Point | undefined} */
+      let point
+
+      // Find the previous chunk (the one before the lazy line).
+      while (indexBeforeFlow--) {
+        if (
+          self.events[indexBeforeFlow][0] === 'exit' &&
+          self.events[indexBeforeFlow][1].type === types.chunkFlow
+        ) {
+          if (seen) {
+            point = self.events[indexBeforeFlow][1].end
+            break
+          }
+
+          seen = true
+        }
+      }
+
+      assert(point, 'could not find previous flow chunk')
+
+      exitContainers(continued)
+
+      // Fix positions.
+      index = indexBeforeExits
+
+      while (index < self.events.length) {
+        self.events[index][1].end = {...point}
+        index++
+      }
+
+      // Inject the exits earlier (they’re still also at the end).
+      splice(
+        self.events,
+        indexBeforeFlow + 1,
+        0,
+        self.events.slice(indexBeforeExits)
+      )
+
+      // Discard the duplicate exits.
+      self.events.length = index
+    }
+  }
+
+  /**
+   * @param {number} size
+   *   Size.
+   * @returns {undefined}
+   *   Nothing.
+   */
+  function exitContainers(size) {
+    let index = stack.length
+
+    // Exit open containers.
+    while (index-- > size) {
+      const entry = stack[index]
+      self.containerState = entry[1]
+      assert(
+        entry[0].exit,
+        'expected `exit` to be defined on container construct'
+      )
+      entry[0].exit.call(self, effects)
+    }
+
+    stack.length = size
+  }
+
+  function closeFlow() {
+    assert(
+      self.containerState,
+      'expected `containerState` to be defined when closing flow'
+    )
+    assert(childFlow, 'expected `childFlow` to be defined when closing it')
+    childFlow.write([codes.eof])
+    childToken = undefined
+    childFlow = undefined
+    self.containerState._closeFlow = undefined
+  }
+}
+
+/**
+ * @this {TokenizeContext}
+ *   Context.
+ * @type {Tokenizer}
+ *   Tokenizer.
+ */
+function tokenizeContainer(effects, ok, nok) {
+  // Always populated by defaults.
+  assert(
+    this.parser.constructs.disable.null,
+    'expected `disable.null` to be populated'
+  )
+  return factorySpace(
+    effects,
+    effects.attempt(this.parser.constructs.document, ok, nok),
+    types.linePrefix,
+    this.parser.constructs.disable.null.includes('codeIndented')
+      ? undefined
+      : constants.tabSize
+  )
+}

node_modules/micromark/dev/lib/initialize/flow.d.ts

@@ -0,0 +1,4 @@
+/** @type {InitialConstruct} */
+export const flow: InitialConstruct;
+import type { InitialConstruct } from 'micromark-util-types';
+//# sourceMappingURL=flow.d.ts.map

node_modules/micromark/dev/lib/initialize/flow.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"flow.d.ts","sourceRoot":"","sources":["flow.js"],"names":[],"mappings":"AAeA,+BAA+B;AAC/B,mBADW,gBAAgB,CACmB;sCAVpC,sBAAsB"}

node_modules/micromark/dev/lib/initialize/flow.js

@@ -0,0 +1,86 @@
+/**
+ * @import {
+ *   InitialConstruct,
+ *   Initializer,
+ *   State,
+ *   TokenizeContext
+ * } from 'micromark-util-types'
+ */
+
+import {ok as assert} from 'devlop'
+import {blankLine, content} from 'micromark-core-commonmark'
+import {factorySpace} from 'micromark-factory-space'
+import {markdownLineEnding} from 'micromark-util-character'
+import {codes, types} from 'micromark-util-symbol'
+
+/** @type {InitialConstruct} */
+export const flow = {tokenize: initializeFlow}
+
+/**
+ * @this {TokenizeContext}
+ *   Self.
+ * @type {Initializer}
+ *   Initializer.
+ */
+function initializeFlow(effects) {
+  const self = this
+  const initial = effects.attempt(
+    // Try to parse a blank line.
+    blankLine,
+    atBlankEnding,
+    // Try to parse initial flow (essentially, only code).
+    effects.attempt(
+      this.parser.constructs.flowInitial,
+      afterConstruct,
+      factorySpace(
+        effects,
+        effects.attempt(
+          this.parser.constructs.flow,
+          afterConstruct,
+          effects.attempt(content, afterConstruct)
+        ),
+        types.linePrefix
+      )
+    )
+  )
+
+  return initial
+
+  /** @type {State} */
+  function atBlankEnding(code) {
+    assert(
+      code === codes.eof || markdownLineEnding(code),
+      'expected eol or eof'
+    )
+
+    if (code === codes.eof) {
+      effects.consume(code)
+      return
+    }
+
+    effects.enter(types.lineEndingBlank)
+    effects.consume(code)
+    effects.exit(types.lineEndingBlank)
+    self.currentConstruct = undefined
+    return initial
+  }
+
+  /** @type {State} */
+  function afterConstruct(code) {
+    assert(
+      code === codes.eof || markdownLineEnding(code),
+      'expected eol or eof'
+    )
+
+    if (code === codes.eof) {
+      effects.consume(code)
+      return
+    }
+
+    effects.enter(types.lineEnding)
+    effects.consume(code)
+    effects.exit(types.lineEnding)
+    self.currentConstruct = undefined
+    return initial
+  }
+}

node_modules/micromark/dev/lib/initialize/text.d.ts

@@ -0,0 +1,8 @@
+export namespace resolver {
+    let resolveAll: Resolver;
+}
+export const string: InitialConstruct;
+export const text: InitialConstruct;
+import type { Resolver } from 'micromark-util-types';
+import type { InitialConstruct } from 'micromark-util-types';
+//# sourceMappingURL=text.d.ts.map

node_modules/micromark/dev/lib/initialize/text.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"text.d.ts","sourceRoot":"","sources":["text.js"],"names":[],"mappings":";;;AAeA,sCAAiD;AACjD,oCAA6C;8BARnC,sBAAsB;sCAAtB,sBAAsB"}

node_modules/micromark/dev/lib/initialize/text.js

@@ -0,0 +1,244 @@
+/**
+ * @import {
+ *   Code,
+ *   InitialConstruct,
+ *   Initializer,
+ *   Resolver,
+ *   State,
+ *   TokenizeContext
+ * } from 'micromark-util-types'
+ */
+
+import {ok as assert} from 'devlop'
+import {codes, constants, types} from 'micromark-util-symbol'
+
+export const resolver = {resolveAll: createResolver()}
+export const string = initializeFactory('string')
+export const text = initializeFactory('text')
+
+/**
+ * @param {'string' | 'text'} field
+ *   Field.
+ * @returns {InitialConstruct}
+ *   Construct.
+ */
+function initializeFactory(field) {
+  return {
+    resolveAll: createResolver(
+      field === 'text' ? resolveAllLineSuffixes : undefined
+    ),
+    tokenize: initializeText
+  }
+
+  /**
+   * @this {TokenizeContext}
+   *   Context.
+   * @type {Initializer}
+   */
+  function initializeText(effects) {
+    const self = this
+    const constructs = this.parser.constructs[field]
+    const text = effects.attempt(constructs, start, notText)
+
+    return start
+
+    /** @type {State} */
+    function start(code) {
+      return atBreak(code) ? text(code) : notText(code)
+    }
+
+    /** @type {State} */
+    function notText(code) {
+      if (code === codes.eof) {
+        effects.consume(code)
+        return
+      }
+
+      effects.enter(types.data)
+      effects.consume(code)
+      return data
+    }
+
+    /** @type {State} */
+    function data(code) {
+      if (atBreak(code)) {
+        effects.exit(types.data)
+        return text(code)
+      }
+
+      // Data.
+      effects.consume(code)
+      return data
+    }
+
+    /**
+     * @param {Code} code
+     *   Code.
+     * @returns {boolean}
+     *   Whether the code is a break.
+     */
+    function atBreak(code) {
+      if (code === codes.eof) {
+        return true
+      }
+
+      const list = constructs[code]
+      let index = -1
+
+      if (list) {
+        // Always populated by defaults.
+        assert(Array.isArray(list), 'expected `disable.null` to be populated')
+
+        while (++index < list.length) {
+          const item = list[index]
+          if (!item.previous || item.previous.call(self, self.previous)) {
+            return true
+          }
+        }
+      }
+
+      return false
+    }
+  }
+}
+
+/**
+ * @param {Resolver | undefined} [extraResolver]
+ *   Resolver.
+ * @returns {Resolver}
+ *   Resolver.
+ */
+function createResolver(extraResolver) {
+  return resolveAllText
+
+  /** @type {Resolver} */
+  function resolveAllText(events, context) {
+    let index = -1
+    /** @type {number | undefined} */
+    let enter
+
+    // A rather boring computation (to merge adjacent `data` events) which
+    // improves mm performance by 29%.
+    while (++index <= events.length) {
+      if (enter === undefined) {
+        if (events[index] && events[index][1].type === types.data) {
+          enter = index
+          index++
+        }
+      } else if (!events[index] || events[index][1].type !== types.data) {
+        // Don’t do anything if there is one data token.
+        if (index !== enter + 2) {
+          events[enter][1].end = events[index - 1][1].end
+          events.splice(enter + 2, index - enter - 2)
+          index = enter + 2
+        }
+
+        enter = undefined
+      }
+    }
+
+    return extraResolver ? extraResolver(events, context) : events
+  }
+}
+
+/**
+ * A rather ugly set of instructions which again looks at chunks in the input
+ * stream.
+ * The reason to do this here is that it is *much* faster to parse in reverse.
+ * And that we can’t hook into `null` to split the line suffix before an EOF.
+ * To do: figure out if we can make this into a clean utility, or even in core.
+ * As it will be useful for GFMs literal autolink extension (and maybe even
+ * tables?)
+ *
+ * @type {Resolver}
+ */
+function resolveAllLineSuffixes(events, context) {
+  let eventIndex = 0 // Skip first.
+
+  while (++eventIndex <= events.length) {
+    if (
+      (eventIndex === events.length ||
+        events[eventIndex][1].type === types.lineEnding) &&
+      events[eventIndex - 1][1].type === types.data
+    ) {
+      const data = events[eventIndex - 1][1]
+      const chunks = context.sliceStream(data)
+      let index = chunks.length
+      let bufferIndex = -1
+      let size = 0
+      /** @type {boolean | undefined} */
+      let tabs
+
+      while (index--) {
+        const chunk = chunks[index]
+
+        if (typeof chunk === 'string') {
+          bufferIndex = chunk.length
+
+          while (chunk.charCodeAt(bufferIndex - 1) === codes.space) {
+            size++
+            bufferIndex--
+          }
+
+          if (bufferIndex) break
+          bufferIndex = -1
+        }
+        // Number
+        else if (chunk === codes.horizontalTab) {
+          tabs = true
+          size++
+        } else if (chunk === codes.virtualSpace) {
+          // Empty
+        } else {
+          // Replacement character, exit.
+          index++
+          break
+        }
+      }
+
+      // Allow final trailing whitespace.
+      if (context._contentTypeTextTrailing && eventIndex === events.length) {
+        size = 0
+      }
+
+      if (size) {
+        const token = {
+          type:
+            eventIndex === events.length ||
+            tabs ||
+            size < constants.hardBreakPrefixSizeMin
+              ? types.lineSuffix
+              : types.hardBreakTrailing,
+          start: {
+            _bufferIndex: index
+              ? bufferIndex
+              : data.start._bufferIndex + bufferIndex,
+            _index: data.start._index + index,
+            line: data.end.line,
+            column: data.end.column - size,
+            offset: data.end.offset - size
+          },
+          end: {...data.end}
+        }
+
+        data.end = {...token.start}
+
+        if (data.start.offset === data.end.offset) {
+          Object.assign(data, token)
+        } else {
+          events.splice(
+            eventIndex,
+            0,
+            ['enter', token, context],
+            ['exit', token, context]
+          )
+          eventIndex += 2
+        }
+      }
+
+      eventIndex++
+    }
+  }
+
+  return events
+}