🎉 initiate project *astro_rewrite*

node_modules/hast-util-to-html/lib/constants.d.ts

@@ -0,0 +1,13 @@
+/**
+ * Maps of subsets.
+ *
+ * Each value is a matrix of tuples.
+ * The first value causes parse errors, the second is valid.
+ * Of both values, the first value is unsafe, and the second is safe.
+ *
+ * @type {Record<'name' | 'unquoted' | 'single' | 'double', Array<[Array<string>, Array<string>]>>}
+ */
+export const constants: Record<
+  'name' | 'unquoted' | 'single' | 'double',
+  Array<[Array<string>, Array<string>]>
+>

node_modules/hast-util-to-html/lib/handle/comment.d.ts

@@ -0,0 +1,23 @@
+/**
+ * Serialize a comment.
+ *
+ * @param {Comment} node
+ *   Node to handle.
+ * @param {number | undefined} _1
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} _2
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function comment(
+  node: Comment,
+  _1: number | undefined,
+  _2: Parent | undefined,
+  state: State
+): string
+export type Comment = import('../types.js').Comment
+export type Parent = import('../types.js').Parent
+export type State = import('../types.js').State

node_modules/hast-util-to-html/lib/handle/comment.js

@@ -0,0 +1,45 @@
+/**
+ * @typedef {import('../types.js').Comment} Comment
+ * @typedef {import('../types.js').Parent} Parent
+ * @typedef {import('../types.js').State} State
+ */
+
+import {stringifyEntities} from 'stringify-entities'
+
+/**
+ * Serialize a comment.
+ *
+ * @param {Comment} node
+ *   Node to handle.
+ * @param {number | undefined} _1
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} _2
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function comment(node, _1, _2, state) {
+  // See: <https://html.spec.whatwg.org/multipage/syntax.html#comments>
+  return state.settings.bogusComments
+    ? '<?' +
+        stringifyEntities(
+          node.value,
+          Object.assign({}, state.settings.characterReferences, {subset: ['>']})
+        ) +
+        '>'
+    : '<!--' + node.value.replace(/^>|^->|<!--|-->|--!>|<!-$/g, encode) + '-->'
+
+  /**
+   * @param {string} $0
+   */
+  function encode($0) {
+    return stringifyEntities(
+      $0,
+      Object.assign({}, state.settings.characterReferences, {
+        subset: ['<', '>']
+      })
+    )
+  }
+}

node_modules/hast-util-to-html/lib/handle/doctype.d.ts

@@ -0,0 +1,28 @@
+/**
+ * @typedef {import('../types.js').DocType} DocType
+ * @typedef {import('../types.js').Parent} Parent
+ * @typedef {import('../types.js').State} State
+ */
+/**
+ * Serialize a doctype.
+ *
+ * @param {DocType} _1
+ *   Node to handle.
+ * @param {number | undefined} _2
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} _3
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function doctype(
+  _1: DocType,
+  _2: number | undefined,
+  _3: Parent | undefined,
+  state: State
+): string
+export type DocType = import('../types.js').DocType
+export type Parent = import('../types.js').Parent
+export type State = import('../types.js').State

node_modules/hast-util-to-html/lib/handle/doctype.js

@@ -0,0 +1,28 @@
+/**
+ * @typedef {import('../types.js').DocType} DocType
+ * @typedef {import('../types.js').Parent} Parent
+ * @typedef {import('../types.js').State} State
+ */
+
+/**
+ * Serialize a doctype.
+ *
+ * @param {DocType} _1
+ *   Node to handle.
+ * @param {number | undefined} _2
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} _3
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function doctype(_1, _2, _3, state) {
+  return (
+    '<!' +
+    (state.settings.upperDoctype ? 'DOCTYPE' : 'doctype') +
+    (state.settings.tightDoctype ? '' : ' ') +
+    'html>'
+  )
+}

node_modules/hast-util-to-html/lib/handle/element.d.ts

@@ -0,0 +1,25 @@
+/**
+ * Serialize an element node.
+ *
+ * @param {Element} node
+ *   Node to handle.
+ * @param {number | undefined} index
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} parent
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function element(
+  node: Element,
+  index: number | undefined,
+  parent: Parent | undefined,
+  state: State
+): string
+export type State = import('../types.js').State
+export type Parent = import('../types.js').Parent
+export type Element = import('../types.js').Element
+export type Properties = import('../types.js').Properties
+export type PropertyValue = import('../types.js').PropertyValue

node_modules/hast-util-to-html/lib/handle/element.js

@@ -0,0 +1,268 @@
+/**
+ * @typedef {import('../types.js').State} State
+ * @typedef {import('../types.js').Parent} Parent
+ * @typedef {import('../types.js').Element} Element
+ * @typedef {import('../types.js').Properties} Properties
+ * @typedef {import('../types.js').PropertyValue} PropertyValue
+ */
+
+import {ccount} from 'ccount'
+import {stringify as commas} from 'comma-separated-tokens'
+import {svg, find} from 'property-information'
+import {stringify as spaces} from 'space-separated-tokens'
+import {stringifyEntities} from 'stringify-entities'
+import {opening} from '../omission/opening.js'
+import {closing} from '../omission/closing.js'
+
+/**
+ * Maps of subsets.
+ *
+ * Each value is a matrix of tuples.
+ * The value at `0` causes parse errors, the value at `1` is valid.
+ * Of both, the value at `0` is unsafe, and the value at `1` is safe.
+ *
+ * @type {Record<'name' | 'unquoted' | 'single' | 'double', Array<[Array<string>, Array<string>]>>}
+ */
+const constants = {
+  // See: <https://html.spec.whatwg.org/#attribute-name-state>.
+  name: [
+    ['\t\n\f\r &/=>'.split(''), '\t\n\f\r "&\'/=>`'.split('')],
+    ['\0\t\n\f\r "&\'/<=>'.split(''), '\0\t\n\f\r "&\'/<=>`'.split('')]
+  ],
+  // See: <https://html.spec.whatwg.org/#attribute-value-(unquoted)-state>.
+  unquoted: [
+    ['\t\n\f\r &>'.split(''), '\0\t\n\f\r "&\'<=>`'.split('')],
+    ['\0\t\n\f\r "&\'<=>`'.split(''), '\0\t\n\f\r "&\'<=>`'.split('')]
+  ],
+  // See: <https://html.spec.whatwg.org/#attribute-value-(single-quoted)-state>.
+  single: [
+    ["&'".split(''), '"&\'`'.split('')],
+    ["\0&'".split(''), '\0"&\'`'.split('')]
+  ],
+  // See: <https://html.spec.whatwg.org/#attribute-value-(double-quoted)-state>.
+  double: [
+    ['"&'.split(''), '"&\'`'.split('')],
+    ['\0"&'.split(''), '\0"&\'`'.split('')]
+  ]
+}
+
+/**
+ * Serialize an element node.
+ *
+ * @param {Element} node
+ *   Node to handle.
+ * @param {number | undefined} index
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} parent
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+// eslint-disable-next-line complexity
+export function element(node, index, parent, state) {
+  const schema = state.schema
+  const omit = schema.space === 'svg' ? false : state.settings.omitOptionalTags
+  let selfClosing =
+    schema.space === 'svg'
+      ? state.settings.closeEmptyElements
+      : state.settings.voids.includes(node.tagName.toLowerCase())
+  /** @type {Array<string>} */
+  const parts = []
+  /** @type {string} */
+  let last
+
+  if (schema.space === 'html' && node.tagName === 'svg') {
+    state.schema = svg
+  }
+
+  const attrs = serializeAttributes(state, node.properties)
+
+  const content = state.all(
+    schema.space === 'html' && node.tagName === 'template' ? node.content : node
+  )
+
+  state.schema = schema
+
+  // If the node is categorised as void, but it has children, remove the
+  // categorisation.
+  // This enables for example `menuitem`s, which are void in W3C HTML but not
+  // void in WHATWG HTML, to be stringified properly.
+  if (content) selfClosing = false
+
+  if (attrs || !omit || !opening(node, index, parent)) {
+    parts.push('<', node.tagName, attrs ? ' ' + attrs : '')
+
+    if (
+      selfClosing &&
+      (schema.space === 'svg' || state.settings.closeSelfClosing)
+    ) {
+      last = attrs.charAt(attrs.length - 1)
+      if (
+        !state.settings.tightSelfClosing ||
+        last === '/' ||
+        (last && last !== '"' && last !== "'")
+      ) {
+        parts.push(' ')
+      }
+
+      parts.push('/')
+    }
+
+    parts.push('>')
+  }
+
+  parts.push(content)
+
+  if (!selfClosing && (!omit || !closing(node, index, parent))) {
+    parts.push('</' + node.tagName + '>')
+  }
+
+  return parts.join('')
+}
+
+/**
+ * @param {State} state
+ * @param {Properties | null | undefined} props
+ * @returns {string}
+ */
+function serializeAttributes(state, props) {
+  /** @type {Array<string>} */
+  const values = []
+  let index = -1
+  /** @type {string} */
+  let key
+
+  if (props) {
+    for (key in props) {
+      if (props[key] !== undefined && props[key] !== null) {
+        const value = serializeAttribute(state, key, props[key])
+        if (value) values.push(value)
+      }
+    }
+  }
+
+  while (++index < values.length) {
+    const last = state.settings.tightAttributes
+      ? values[index].charAt(values[index].length - 1)
+      : null
+
+    // In tight mode, don’t add a space after quoted attributes.
+    if (index !== values.length - 1 && last !== '"' && last !== "'") {
+      values[index] += ' '
+    }
+  }
+
+  return values.join('')
+}
+
+/**
+ * @param {State} state
+ * @param {string} key
+ * @param {PropertyValue} value
+ * @returns {string}
+ */
+// eslint-disable-next-line complexity
+function serializeAttribute(state, key, value) {
+  const info = find(state.schema, key)
+  const x =
+    state.settings.allowParseErrors && state.schema.space === 'html' ? 0 : 1
+  const y = state.settings.allowDangerousCharacters ? 0 : 1
+  let quote = state.quote
+  /** @type {string | undefined} */
+  let result
+
+  if (info.overloadedBoolean && (value === info.attribute || value === '')) {
+    value = true
+  } else if (
+    info.boolean ||
+    (info.overloadedBoolean && typeof value !== 'string')
+  ) {
+    value = Boolean(value)
+  }
+
+  if (
+    value === undefined ||
+    value === null ||
+    value === false ||
+    (typeof value === 'number' && Number.isNaN(value))
+  ) {
+    return ''
+  }
+
+  const name = stringifyEntities(
+    info.attribute,
+    Object.assign({}, state.settings.characterReferences, {
+      // Always encode without parse errors in non-HTML.
+      subset: constants.name[x][y]
+    })
+  )
+
+  // No value.
+  // There is currently only one boolean property in SVG: `[download]` on
+  // `<a>`.
+  // This property does not seem to work in browsers (Firefox, Safari, Chrome),
+  // so I can’t test if dropping the value works.
+  // But I assume that it should:
+  //
+  // ```html
+  // <!doctype html>
+  // <svg viewBox="0 0 100 100">
+  //   <a href=https://example.com download>
+  //     <circle cx=50 cy=40 r=35 />
+  //   </a>
+  // </svg>
+  // ```
+  //
+  // See: <https://github.com/wooorm/property-information/blob/main/lib/svg.js>
+  if (value === true) return name
+
+  // `spaces` doesn’t accept a second argument, but it’s given here just to
+  // keep the code cleaner.
+  value = Array.isArray(value)
+    ? (info.commaSeparated ? commas : spaces)(value, {
+        padLeft: !state.settings.tightCommaSeparatedLists
+      })
+    : String(value)
+
+  if (state.settings.collapseEmptyAttributes && !value) return name
+
+  // Check unquoted value.
+  if (state.settings.preferUnquoted) {
+    result = stringifyEntities(
+      value,
+      Object.assign({}, state.settings.characterReferences, {
+        subset: constants.unquoted[x][y],
+        attribute: true
+      })
+    )
+  }
+
+  // If we don’t want unquoted, or if `value` contains character references when
+  // unquoted…
+  if (result !== value) {
+    // If the alternative is less common than `quote`, switch.
+    if (
+      state.settings.quoteSmart &&
+      ccount(value, quote) > ccount(value, state.alternative)
+    ) {
+      quote = state.alternative
+    }
+
+    result =
+      quote +
+      stringifyEntities(
+        value,
+        Object.assign({}, state.settings.characterReferences, {
+          // Always encode without parse errors in non-HTML.
+          subset: (quote === "'" ? constants.single : constants.double)[x][y],
+          attribute: true
+        })
+      ) +
+      quote
+  }
+
+  // Don’t add a `=` for unquoted empties.
+  return name + (result ? '=' + result : result)
+}

node_modules/hast-util-to-html/lib/handle/handle.d.ts

@@ -0,0 +1,13 @@
+/**
+ * @type {(node: Node, index: number | undefined, parent: Parent | undefined, state: State) => string}
+ */
+export const handle: (
+  node: Node,
+  index: number | undefined,
+  parent: Parent | undefined,
+  state: State
+) => string
+export type Handle = import('./types.js').Handle
+export type State = import('./types.js').State
+export type Node = import('./types.js').Node
+export type Parent = import('./types.js').Parent

node_modules/hast-util-to-html/lib/handle/index.d.ts

@@ -0,0 +1,12 @@
+/**
+ * @type {(node: Node, index: number | undefined, parent: Parent | undefined, state: State) => string}
+ */
+export const handle: (
+  node: Node,
+  index: number | undefined,
+  parent: Parent | undefined,
+  state: State
+) => string
+export type State = import('../types.js').State
+export type Node = import('../types.js').Node
+export type Parent = import('../types.js').Parent

node_modules/hast-util-to-html/lib/handle/index.js

@@ -0,0 +1,47 @@
+/**
+ * @typedef {import('../types.js').State} State
+ * @typedef {import('../types.js').Node} Node
+ * @typedef {import('../types.js').Parent} Parent
+ */
+
+import {zwitch} from 'zwitch'
+import {comment} from './comment.js'
+import {doctype} from './doctype.js'
+import {element} from './element.js'
+import {raw} from './raw.js'
+import {root} from './root.js'
+import {text} from './text.js'
+
+/**
+ * @type {(node: Node, index: number | undefined, parent: Parent | undefined, state: State) => string}
+ */
+export const handle = zwitch('type', {
+  invalid,
+  unknown,
+  handlers: {comment, doctype, element, raw, root, text}
+})
+
+/**
+ * Fail when a non-node is found in the tree.
+ *
+ * @param {unknown} node
+ *   Unknown value.
+ * @returns {never}
+ *   Never.
+ */
+function invalid(node) {
+  throw new Error('Expected node, not `' + node + '`')
+}
+
+/**
+ * Fail when a node with an unknown type is found in the tree.
+ *
+ * @param {unknown} node
+ *  Unknown node.
+ * @returns {never}
+ *   Never.
+ */
+function unknown(node) {
+  // @ts-expect-error: `type` is defined.
+  throw new Error('Cannot compile unknown node `' + node.type + '`')
+}

node_modules/hast-util-to-html/lib/handle/raw.d.ts

@@ -0,0 +1,23 @@
+/**
+ * Serialize a raw node.
+ *
+ * @param {Raw} node
+ *   Node to handle.
+ * @param {number | undefined} index
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} parent
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function raw(
+  node: Raw,
+  index: number | undefined,
+  parent: Parent | undefined,
+  state: State
+): string
+export type State = import('../types.js').State
+export type Parent = import('../types.js').Parent
+export type Raw = import('../types.js').Raw

node_modules/hast-util-to-html/lib/handle/raw.js

@@ -0,0 +1,27 @@
+/**
+ * @typedef {import('../types.js').State} State
+ * @typedef {import('../types.js').Parent} Parent
+ * @typedef {import('../types.js').Raw} Raw
+ */
+
+import {text} from './text.js'
+
+/**
+ * Serialize a raw node.
+ *
+ * @param {Raw} node
+ *   Node to handle.
+ * @param {number | undefined} index
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} parent
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function raw(node, index, parent, state) {
+  return state.settings.allowDangerousHtml
+    ? node.value
+    : text(node, index, parent, state)
+}

node_modules/hast-util-to-html/lib/handle/root.d.ts

@@ -0,0 +1,28 @@
+/**
+ * @typedef {import('../types.js').Root} Root
+ * @typedef {import('../types.js').Parent} Parent
+ * @typedef {import('../types.js').State} State
+ */
+/**
+ * Serialize a root.
+ *
+ * @param {Root} node
+ *   Node to handle.
+ * @param {number | undefined} _1
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} _2
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function root(
+  node: Root,
+  _1: number | undefined,
+  _2: Parent | undefined,
+  state: State
+): string
+export type Root = import('../types.js').Root
+export type Parent = import('../types.js').Parent
+export type State = import('../types.js').State

node_modules/hast-util-to-html/lib/handle/root.js

@@ -0,0 +1,23 @@
+/**
+ * @typedef {import('../types.js').Root} Root
+ * @typedef {import('../types.js').Parent} Parent
+ * @typedef {import('../types.js').State} State
+ */
+
+/**
+ * Serialize a root.
+ *
+ * @param {Root} node
+ *   Node to handle.
+ * @param {number | undefined} _1
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} _2
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function root(node, _1, _2, state) {
+  return state.all(node)
+}

node_modules/hast-util-to-html/lib/handle/text.d.ts

@@ -0,0 +1,24 @@
+/**
+ * Serialize a text node.
+ *
+ * @param {Text | Raw} node
+ *   Node to handle.
+ * @param {number | undefined} _
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} parent
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function text(
+  node: Text | Raw,
+  _: number | undefined,
+  parent: Parent | undefined,
+  state: State
+): string
+export type State = import('../types.js').State
+export type Parent = import('../types.js').Parent
+export type Raw = import('../types.js').Raw
+export type Text = import('../types.js').Text

node_modules/hast-util-to-html/lib/handle/text.js

@@ -0,0 +1,36 @@
+/**
+ * @typedef {import('../types.js').State} State
+ * @typedef {import('../types.js').Parent} Parent
+ * @typedef {import('../types.js').Raw} Raw
+ * @typedef {import('../types.js').Text} Text
+ */
+
+import {stringifyEntities} from 'stringify-entities'
+
+/**
+ * Serialize a text node.
+ *
+ * @param {Text | Raw} node
+ *   Node to handle.
+ * @param {number | undefined} _
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} parent
+ *   Parent of `node`.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {string}
+ *   Serialized node.
+ */
+export function text(node, _, parent, state) {
+  // Check if content of `node` should be escaped.
+  return parent &&
+    parent.type === 'element' &&
+    (parent.tagName === 'script' || parent.tagName === 'style')
+    ? node.value
+    : stringifyEntities(
+        node.value,
+        Object.assign({}, state.settings.characterReferences, {
+          subset: ['<', '&']
+        })
+      )
+}

node_modules/hast-util-to-html/lib/index.d.ts

@@ -0,0 +1,32 @@
+/**
+ * Serialize hast as HTML.
+ *
+ * @param {Node | Array<Content>} tree
+ *   Tree to serialize.
+ * @param {Options | null | undefined} [options]
+ *   Configuration.
+ * @returns {string}
+ *   Serialized HTML.
+ */
+export function toHtml(
+  tree: Node | Array<Content>,
+  options?: Options | null | undefined
+): string
+/**
+ * Serialize all children of `parent`.
+ *
+ * @this {State}
+ *   Info passed around about the current state.
+ * @param {Parent | undefined} parent
+ *   Parent whose children to serialize.
+ * @returns {string}
+ */
+export function all(
+  this: import('./types.js').State,
+  parent: Parent | undefined
+): string
+export type Node = import('./types.js').Node
+export type Parent = import('./types.js').Parent
+export type Content = import('./types.js').Content
+export type Options = import('./types.js').Options
+export type State = import('./types.js').State

node_modules/hast-util-to-html/lib/index.js

@@ -0,0 +1,107 @@
+/**
+ * @typedef {import('./types.js').Node} Node
+ * @typedef {import('./types.js').Parent} Parent
+ * @typedef {import('./types.js').Content} Content
+ * @typedef {import('./types.js').Options} Options
+ * @typedef {import('./types.js').State} State
+ */
+
+import {html, svg} from 'property-information'
+import {htmlVoidElements} from 'html-void-elements'
+import {handle} from './handle/index.js'
+
+/**
+ * Serialize hast as HTML.
+ *
+ * @param {Node | Array<Content>} tree
+ *   Tree to serialize.
+ * @param {Options | null | undefined} [options]
+ *   Configuration.
+ * @returns {string}
+ *   Serialized HTML.
+ */
+// eslint-disable-next-line complexity
+export function toHtml(tree, options) {
+  const options_ = options || {}
+  const quote = options_.quote || '"'
+  const alternative = quote === '"' ? "'" : '"'
+
+  if (quote !== '"' && quote !== "'") {
+    throw new Error('Invalid quote `' + quote + '`, expected `\'` or `"`')
+  }
+
+  /** @type {State} */
+  const state = {
+    one,
+    all,
+    settings: {
+      omitOptionalTags: options_.omitOptionalTags || false,
+      allowParseErrors: options_.allowParseErrors || false,
+      allowDangerousCharacters: options_.allowDangerousCharacters || false,
+      quoteSmart: options_.quoteSmart || false,
+      preferUnquoted: options_.preferUnquoted || false,
+      tightAttributes: options_.tightAttributes || false,
+      upperDoctype: options_.upperDoctype || false,
+      tightDoctype: options_.tightDoctype || false,
+      bogusComments: options_.bogusComments || false,
+      tightCommaSeparatedLists: options_.tightCommaSeparatedLists || false,
+      tightSelfClosing: options_.tightSelfClosing || false,
+      collapseEmptyAttributes: options_.collapseEmptyAttributes || false,
+      allowDangerousHtml: options_.allowDangerousHtml || false,
+      voids: options_.voids || htmlVoidElements,
+      characterReferences:
+        options_.characterReferences || options_.entities || {},
+      closeSelfClosing: options_.closeSelfClosing || false,
+      closeEmptyElements: options_.closeEmptyElements || false
+    },
+    schema: options_.space === 'svg' ? svg : html,
+    quote,
+    alternative
+  }
+
+  return state.one(
+    Array.isArray(tree) ? {type: 'root', children: tree} : tree,
+    undefined,
+    undefined
+  )
+}
+
+/**
+ * Serialize a node.
+ *
+ * @this {State}
+ *   Info passed around about the current state.
+ * @param {Node} node
+ *   Node to handle.
+ * @param {number | undefined} index
+ *   Index of `node` in `parent.
+ * @param {Parent | undefined} parent
+ *   Parent of `node`.
+ * @returns {string}
+ *   Serialized node.
+ */
+function one(node, index, parent) {
+  return handle(node, index, parent, this)
+}
+
+/**
+ * Serialize all children of `parent`.
+ *
+ * @this {State}
+ *   Info passed around about the current state.
+ * @param {Parent | undefined} parent
+ *   Parent whose children to serialize.
+ * @returns {string}
+ */
+export function all(parent) {
+  /** @type {Array<string>} */
+  const results = []
+  const children = (parent && parent.children) || []
+  let index = -1
+
+  while (++index < children.length) {
+    results[index] = this.one(children[index], index, parent)
+  }
+
+  return results.join('')
+}

node_modules/hast-util-to-html/lib/omission/closing.d.ts

@@ -0,0 +1,3 @@
+export const closing: import('../types.js').OmitHandle
+export type Element = import('../types.js').Element
+export type Parent = import('../types.js').Parent

node_modules/hast-util-to-html/lib/omission/closing.js

@@ -0,0 +1,384 @@
+/**
+ * @typedef {import('../types.js').Element} Element
+ * @typedef {import('../types.js').Parent} Parent
+ */
+
+import {whitespace} from 'hast-util-whitespace'
+import {siblingAfter} from './util/siblings.js'
+import {omission} from './omission.js'
+
+export const closing = omission({
+  html,
+  head: headOrColgroupOrCaption,
+  body,
+  p,
+  li,
+  dt,
+  dd,
+  rt: rubyElement,
+  rp: rubyElement,
+  optgroup,
+  option,
+  menuitem,
+  colgroup: headOrColgroupOrCaption,
+  caption: headOrColgroupOrCaption,
+  thead,
+  tbody,
+  tfoot,
+  tr,
+  td: cells,
+  th: cells
+})
+
+/**
+ * Macro for `</head>`, `</colgroup>`, and `</caption>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function headOrColgroupOrCaption(_, index, parent) {
+  const next = siblingAfter(parent, index, true)
+  return (
+    !next ||
+    (next.type !== 'comment' &&
+      !(next.type === 'text' && whitespace(next.value.charAt(0))))
+  )
+}
+
+/**
+ * Whether to omit `</html>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function html(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return !next || next.type !== 'comment'
+}
+
+/**
+ * Whether to omit `</body>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function body(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return !next || next.type !== 'comment'
+}
+
+/**
+ * Whether to omit `</p>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+// eslint-disable-next-line complexity
+function p(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return next
+    ? next.type === 'element' &&
+        (next.tagName === 'address' ||
+          next.tagName === 'article' ||
+          next.tagName === 'aside' ||
+          next.tagName === 'blockquote' ||
+          next.tagName === 'details' ||
+          next.tagName === 'div' ||
+          next.tagName === 'dl' ||
+          next.tagName === 'fieldset' ||
+          next.tagName === 'figcaption' ||
+          next.tagName === 'figure' ||
+          next.tagName === 'footer' ||
+          next.tagName === 'form' ||
+          next.tagName === 'h1' ||
+          next.tagName === 'h2' ||
+          next.tagName === 'h3' ||
+          next.tagName === 'h4' ||
+          next.tagName === 'h5' ||
+          next.tagName === 'h6' ||
+          next.tagName === 'header' ||
+          next.tagName === 'hgroup' ||
+          next.tagName === 'hr' ||
+          next.tagName === 'main' ||
+          next.tagName === 'menu' ||
+          next.tagName === 'nav' ||
+          next.tagName === 'ol' ||
+          next.tagName === 'p' ||
+          next.tagName === 'pre' ||
+          next.tagName === 'section' ||
+          next.tagName === 'table' ||
+          next.tagName === 'ul')
+    : !parent ||
+        // Confusing parent.
+        !(
+          parent.type === 'element' &&
+          (parent.tagName === 'a' ||
+            parent.tagName === 'audio' ||
+            parent.tagName === 'del' ||
+            parent.tagName === 'ins' ||
+            parent.tagName === 'map' ||
+            parent.tagName === 'noscript' ||
+            parent.tagName === 'video')
+        )
+}
+
+/**
+ * Whether to omit `</li>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function li(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return !next || (next.type === 'element' && next.tagName === 'li')
+}
+
+/**
+ * Whether to omit `</dt>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function dt(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return (
+    next &&
+    next.type === 'element' &&
+    (next.tagName === 'dt' || next.tagName === 'dd')
+  )
+}
+
+/**
+ * Whether to omit `</dd>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function dd(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return (
+    !next ||
+    (next.type === 'element' &&
+      (next.tagName === 'dt' || next.tagName === 'dd'))
+  )
+}
+
+/**
+ * Whether to omit `</rt>` or `</rp>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function rubyElement(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return (
+    !next ||
+    (next.type === 'element' &&
+      (next.tagName === 'rp' || next.tagName === 'rt'))
+  )
+}
+
+/**
+ * Whether to omit `</optgroup>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function optgroup(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return !next || (next.type === 'element' && next.tagName === 'optgroup')
+}
+
+/**
+ * Whether to omit `</option>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function option(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return (
+    !next ||
+    (next.type === 'element' &&
+      (next.tagName === 'option' || next.tagName === 'optgroup'))
+  )
+}
+
+/**
+ * Whether to omit `</menuitem>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function menuitem(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return (
+    !next ||
+    (next.type === 'element' &&
+      (next.tagName === 'menuitem' ||
+        next.tagName === 'hr' ||
+        next.tagName === 'menu'))
+  )
+}
+
+/**
+ * Whether to omit `</thead>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function thead(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return (
+    next &&
+    next.type === 'element' &&
+    (next.tagName === 'tbody' || next.tagName === 'tfoot')
+  )
+}
+
+/**
+ * Whether to omit `</tbody>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function tbody(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return (
+    !next ||
+    (next.type === 'element' &&
+      (next.tagName === 'tbody' || next.tagName === 'tfoot'))
+  )
+}
+
+/**
+ * Whether to omit `</tfoot>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function tfoot(_, index, parent) {
+  return !siblingAfter(parent, index)
+}
+
+/**
+ * Whether to omit `</tr>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function tr(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return !next || (next.type === 'element' && next.tagName === 'tr')
+}
+
+/**
+ * Whether to omit `</td>` or `</th>`.
+ *
+ * @param {Element} _
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the closing tag can be omitted.
+ */
+function cells(_, index, parent) {
+  const next = siblingAfter(parent, index)
+  return (
+    !next ||
+    (next.type === 'element' &&
+      (next.tagName === 'td' || next.tagName === 'th'))
+  )
+}

node_modules/hast-util-to-html/lib/omission/omission.d.ts

@@ -0,0 +1,11 @@
+/**
+ * Factory to check if a given node can have a tag omitted.
+ *
+ * @param {Record<string, OmitHandle>} handlers
+ *   Omission handlers, where each key is a tag name, and each value is the
+ *   corresponding handler.
+ * @returns {OmitHandle}
+ *   Whether to omit a tag of an element.
+ */
+export function omission(handlers: Record<string, OmitHandle>): OmitHandle
+export type OmitHandle = import('../types.js').OmitHandle

node_modules/hast-util-to-html/lib/omission/omission.js

@@ -0,0 +1,30 @@
+/**
+ * @typedef {import('../types.js').OmitHandle} OmitHandle
+ */
+
+const own = {}.hasOwnProperty
+
+/**
+ * Factory to check if a given node can have a tag omitted.
+ *
+ * @param {Record<string, OmitHandle>} handlers
+ *   Omission handlers, where each key is a tag name, and each value is the
+ *   corresponding handler.
+ * @returns {OmitHandle}
+ *   Whether to omit a tag of an element.
+ */
+export function omission(handlers) {
+  return omit
+
+  /**
+   * Check if a given node can have a tag omitted.
+   *
+   * @type {OmitHandle}
+   */
+  function omit(node, index, parent) {
+    return (
+      own.call(handlers, node.tagName) &&
+      handlers[node.tagName](node, index, parent)
+    )
+  }
+}

node_modules/hast-util-to-html/lib/omission/opening.d.ts

@@ -0,0 +1,4 @@
+export const opening: import('../types.js').OmitHandle
+export type Element = import('../types.js').Element
+export type Parent = import('../types.js').Parent
+export type Content = import('../types.js').Content

node_modules/hast-util-to-html/lib/omission/opening.js

@@ -0,0 +1,148 @@
+/**
+ * @typedef {import('../types.js').Element} Element
+ * @typedef {import('../types.js').Parent} Parent
+ * @typedef {import('../types.js').Content} Content
+ */
+
+import {whitespace} from 'hast-util-whitespace'
+import {siblingBefore, siblingAfter} from './util/siblings.js'
+import {closing} from './closing.js'
+import {omission} from './omission.js'
+
+export const opening = omission({
+  html,
+  head,
+  body,
+  colgroup,
+  tbody
+})
+
+/**
+ * Whether to omit `<html>`.
+ *
+ * @param {Element} node
+ *   Element.
+ * @returns {boolean}
+ *   Whether the opening tag can be omitted.
+ */
+function html(node) {
+  const head = siblingAfter(node, -1)
+  return !head || head.type !== 'comment'
+}
+
+/**
+ * Whether to omit `<head>`.
+ *
+ * @param {Element} node
+ *   Element.
+ * @returns {boolean}
+ *   Whether the opening tag can be omitted.
+ */
+function head(node) {
+  const children = node.children
+  /** @type {Array<string>} */
+  const seen = []
+  let index = -1
+
+  while (++index < children.length) {
+    const child = children[index]
+    if (
+      child.type === 'element' &&
+      (child.tagName === 'title' || child.tagName === 'base')
+    ) {
+      if (seen.includes(child.tagName)) return false
+      seen.push(child.tagName)
+    }
+  }
+
+  return children.length > 0
+}
+
+/**
+ * Whether to omit `<body>`.
+ *
+ * @param {Element} node
+ *   Element.
+ * @returns {boolean}
+ *   Whether the opening tag can be omitted.
+ */
+function body(node) {
+  const head = siblingAfter(node, -1, true)
+
+  return (
+    !head ||
+    (head.type !== 'comment' &&
+      !(head.type === 'text' && whitespace(head.value.charAt(0))) &&
+      !(
+        head.type === 'element' &&
+        (head.tagName === 'meta' ||
+          head.tagName === 'link' ||
+          head.tagName === 'script' ||
+          head.tagName === 'style' ||
+          head.tagName === 'template')
+      ))
+  )
+}
+
+/**
+ * Whether to omit `<colgroup>`.
+ * The spec describes some logic for the opening tag, but it’s easier to
+ * implement in the closing tag, to the same effect, so we handle it there
+ * instead.
+ *
+ * @param {Element} node
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the opening tag can be omitted.
+ */
+function colgroup(node, index, parent) {
+  const previous = siblingBefore(parent, index)
+  const head = siblingAfter(node, -1, true)
+
+  // Previous colgroup was already omitted.
+  if (
+    parent &&
+    previous &&
+    previous.type === 'element' &&
+    previous.tagName === 'colgroup' &&
+    closing(previous, parent.children.indexOf(previous), parent)
+  ) {
+    return false
+  }
+
+  return head && head.type === 'element' && head.tagName === 'col'
+}
+
+/**
+ * Whether to omit `<tbody>`.
+ *
+ * @param {Element} node
+ *   Element.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether the opening tag can be omitted.
+ */
+function tbody(node, index, parent) {
+  const previous = siblingBefore(parent, index)
+  const head = siblingAfter(node, -1)
+
+  // Previous table section was already omitted.
+  if (
+    parent &&
+    previous &&
+    previous.type === 'element' &&
+    (previous.tagName === 'thead' || previous.tagName === 'tbody') &&
+    closing(previous, parent.children.indexOf(previous), parent)
+  ) {
+    return false
+  }
+
+  return head && head.type === 'element' && head.tagName === 'tr'
+}

node_modules/hast-util-to-html/lib/omission/util/comment.d.ts

@@ -0,0 +1,11 @@
+/**
+ * @typedef {import('../../types.js').Node} Node
+ * @typedef {import('../../types.js').Comment} Comment
+ */
+/**
+ * @param {Node} node
+ * @returns {node is Comment}
+ */
+export function comment(node: Node): node is import('hast').Comment
+export type Node = import('../../types.js').Node
+export type Comment = import('../../types.js').Comment

node_modules/hast-util-to-html/lib/omission/util/siblings.d.ts

@@ -0,0 +1,28 @@
+/**
+ * Find applicable siblings in a direction.
+ *
+ * @param {Parent | null | undefined} parent
+ * @param {number | null | undefined} index
+ * @param {boolean | null | undefined} [includeWhitespace=false]
+ * @returns {Content}
+ */
+export function siblingAfter(
+  parent: Parent | null | undefined,
+  index: number | null | undefined,
+  includeWhitespace?: boolean | null | undefined
+): Content
+/**
+ * Find applicable siblings in a direction.
+ *
+ * @param {Parent | null | undefined} parent
+ * @param {number | null | undefined} index
+ * @param {boolean | null | undefined} [includeWhitespace=false]
+ * @returns {Content}
+ */
+export function siblingBefore(
+  parent: Parent | null | undefined,
+  index: number | null | undefined,
+  includeWhitespace?: boolean | null | undefined
+): Content
+export type Parent = import('../../types.js').Parent
+export type Content = import('../../types.js').Content

node_modules/hast-util-to-html/lib/omission/util/siblings.js

@@ -0,0 +1,41 @@
+/**
+ * @typedef {import('../../types.js').Parent} Parent
+ * @typedef {import('../../types.js').Content} Content
+ */
+
+import {whitespace} from 'hast-util-whitespace'
+
+export const siblingAfter = siblings(1)
+export const siblingBefore = siblings(-1)
+
+/**
+ * Factory to check siblings in a direction.
+ *
+ * @param {number} increment
+ */
+function siblings(increment) {
+  return sibling
+
+  /**
+   * Find applicable siblings in a direction.
+   *
+   * @param {Parent | null | undefined} parent
+   * @param {number | null | undefined} index
+   * @param {boolean | null | undefined} [includeWhitespace=false]
+   * @returns {Content}
+   */
+  function sibling(parent, index, includeWhitespace) {
+    const siblings = parent ? parent.children : []
+    let offset = (index || 0) + increment
+    let next = siblings && siblings[offset]
+
+    if (!includeWhitespace) {
+      while (next && whitespace(next)) {
+        offset += increment
+        next = siblings[offset]
+      }
+    }
+
+    return next
+  }
+}

node_modules/hast-util-to-html/lib/types.d.ts

@@ -0,0 +1,363 @@
+export type UnistParent = import('unist').Parent
+export type UnistLiteral = import('unist').Literal
+export type Root = import('hast').Root
+export type Comment = import('hast').Comment
+export type DocType = import('hast').DocType
+export type Element = import('hast').Element
+export type Text = import('hast').Text
+export type Content = import('hast').Content
+export type Properties = import('hast').Properties
+export type Raw = import('hast-util-raw/complex-types.js').Raw
+export type StringifyEntitiesOptions = import('stringify-entities').Options
+export type Schema = import('property-information').Schema
+export type Node = Content | Root
+export type Parent = Extract<Node, UnistParent>
+export type PropertyValue = Properties[keyof Properties]
+/**
+ * Check if a tag can be omitted.
+ */
+export type OmitHandle = (
+  element: Element,
+  index: number | undefined,
+  parent: Parent | undefined
+) => boolean
+/**
+ * Namespace.
+ */
+export type Space = 'html' | 'svg'
+export type CharacterReferences = Omit<
+  StringifyEntitiesOptions,
+  'escapeOnly' | 'attribute' | 'subset'
+>
+/**
+ * HTML quotes for attribute values.
+ */
+export type Quote = '"' | "'"
+/**
+ * Configuration.
+ */
+export type Options = {
+  /**
+   * Do not encode some characters which cause XSS vulnerabilities in older
+   * browsers.
+   *
+   * > ⚠️ **Danger**: only set this if you completely trust the content.
+   */
+  allowDangerousCharacters?: boolean | null | undefined
+  /**
+   * Allow `raw` nodes and insert them as raw HTML.
+   *
+   * When `false`, `Raw` nodes are encoded.
+   *
+   * > ⚠️ **Danger**: only set this if you completely trust the content.
+   */
+  allowDangerousHtml?: boolean | null | undefined
+  /**
+   * Do not encode characters which cause parse errors (even though they work),
+   * to save bytes.
+   *
+   * Not used in the SVG space.
+   *
+   * > 👉 **Note**: intentionally creates parse errors in markup (how parse
+   * > errors are handled is well defined, so this works but isn’t pretty).
+   */
+  allowParseErrors?: boolean | null | undefined
+  /**
+   * Use “bogus comments” instead of comments to save byes: `<?charlie>`
+   * instead of `<!--charlie-->`.
+   *
+   * > 👉 **Note**: intentionally creates parse errors in markup (how parse
+   * > errors are handled is well defined, so this works but isn’t pretty).
+   */
+  bogusComments?: boolean | null | undefined
+  /**
+   * Configure how to serialize character references.
+   */
+  characterReferences?: CharacterReferences | null | undefined
+  /**
+   * Close SVG elements without any content with slash (`/`) on the opening tag
+   * instead of an end tag: `<circle />` instead of `<circle></circle>`.
+   *
+   * See `tightSelfClosing` to control whether a space is used before the
+   * slash.
+   *
+   * Not used in the HTML space.
+   */
+  closeEmptyElements?: boolean | null | undefined
+  /**
+   * Close self-closing nodes with an extra slash (`/`): `<img />` instead of
+   * `<img>`.
+   *
+   * See `tightSelfClosing` to control whether a space is used before the
+   * slash.
+   *
+   * Not used in the SVG space.
+   */
+  closeSelfClosing?: boolean | null | undefined
+  /**
+   * Collapse empty attributes: get `class` instead of `class=""`.
+   *
+   * Not used in the SVG space.
+   *
+   * > 👉 **Note**: boolean attributes (such as `hidden`) are always collapsed.
+   */
+  collapseEmptyAttributes?: boolean | null | undefined
+  /**
+   * Deprecated: please use `characterReferences`.
+   */
+  entities?: CharacterReferences | null | undefined
+  /**
+   * Omit optional opening and closing tags.
+   *
+   * For example, in `<ol><li>one</li><li>two</li></ol>`, both `</li>` closing
+   * tags can be omitted.
+   * The first because it’s followed by another `li`, the last because it’s
+   * followed by nothing.
+   *
+   * Not used in the SVG space.
+   */
+  omitOptionalTags?: boolean | null | undefined
+  /**
+   * Leave attributes unquoted if that results in less bytes.
+   *
+   * Not used in the SVG space.
+   */
+  preferUnquoted?: boolean | null | undefined
+  /**
+   * Preferred quote to use.
+   */
+  quote?: Quote | null | undefined
+  /**
+   * Use the other quote if that results in less bytes.
+   */
+  quoteSmart?: boolean | null | undefined
+  /**
+   * When an `<svg>` element is found in the HTML space, this package already
+   * automatically switches to and from the SVG space when entering and exiting
+   * it.
+   *
+   * > 👉 **Note**: hast is not XML.
+   * > It supports SVG as embedded in HTML.
+   * > It does not support the features available in XML.
+   * > Passing SVG might break but fragments of modern SVG should be fine.
+   * > Use [`xast`][xast] if you need to support SVG as XML.
+   */
+  space?: Space | null | undefined
+  /**
+   * Join attributes together, without whitespace, if possible: get
+   * `class="a b"title="c d"` instead of `class="a b" title="c d"` to save
+   * bytes.
+   *
+   * Not used in the SVG space.
+   *
+   * > 👉 **Note**: intentionally creates parse errors in markup (how parse
+   * > errors are handled is well defined, so this works but isn’t pretty).
+   */
+  tightAttributes?: boolean | null | undefined
+  /**
+   * Join known comma-separated attribute values with just a comma (`,`),
+   * instead of padding them on the right as well (`,␠`, where `␠` represents a
+   * space).
+   */
+  tightCommaSeparatedLists?: boolean | null | undefined
+  /**
+   * Drop unneeded spaces in doctypes: `<!doctypehtml>` instead of
+   * `<!doctype html>` to save bytes.
+   *
+   * > 👉 **Note**: intentionally creates parse errors in markup (how parse
+   * > errors are handled is well defined, so this works but isn’t pretty).
+   */
+  tightDoctype?: boolean | null | undefined
+  /**
+   * Do not use an extra space when closing self-closing elements: `<img/>`
+   * instead of `<img />`.
+   *
+   * > 👉 **Note**: only used if `closeSelfClosing: true` or
+   * > `closeEmptyElements: true`.
+   */
+  tightSelfClosing?: boolean | null | undefined
+  /**
+   * Use a `<!DOCTYPE…` instead of `<!doctype…`.
+   *
+   * Useless except for XHTML.
+   */
+  upperDoctype?: boolean | null | undefined
+  /**
+   * Tag names of elements to serialize without closing tag.
+   *
+   * Not used in the SVG space.
+   *
+   * > 👉 **Note**: It’s highly unlikely that you want to pass this, because
+   * > hast is not for XML, and HTML will not add more void elements.
+   */
+  voids?: ReadonlyArray<string> | null | undefined
+}
+export type Settings = {
+  /**
+   * Do not encode some characters which cause XSS vulnerabilities in older
+   * browsers.
+   *
+   * > ⚠️ **Danger**: only set this if you completely trust the content.
+   */
+  allowDangerousCharacters: boolean
+  /**
+   * Allow `raw` nodes and insert them as raw HTML.
+   *
+   * When `false`, `Raw` nodes are encoded.
+   *
+   * > ⚠️ **Danger**: only set this if you completely trust the content.
+   */
+  allowDangerousHtml: boolean
+  /**
+   * Do not encode characters which cause parse errors (even though they work),
+   * to save bytes.
+   *
+   * Not used in the SVG space.
+   *
+   * > 👉 **Note**: intentionally creates parse errors in markup (how parse
+   * > errors are handled is well defined, so this works but isn’t pretty).
+   */
+  allowParseErrors: boolean
+  /**
+   * Use “bogus comments” instead of comments to save byes: `<?charlie>`
+   * instead of `<!--charlie-->`.
+   *
+   * > 👉 **Note**: intentionally creates parse errors in markup (how parse
+   * > errors are handled is well defined, so this works but isn’t pretty).
+   */
+  bogusComments: boolean
+  /**
+   * Configure how to serialize character references.
+   */
+  characterReferences: CharacterReferences
+  /**
+   * Close SVG elements without any content with slash (`/`) on the opening tag
+   * instead of an end tag: `<circle />` instead of `<circle></circle>`.
+   *
+   * See `tightSelfClosing` to control whether a space is used before the
+   * slash.
+   *
+   * Not used in the HTML space.
+   */
+  closeEmptyElements: boolean
+  /**
+   * Close self-closing nodes with an extra slash (`/`): `<img />` instead of
+   * `<img>`.
+   *
+   * See `tightSelfClosing` to control whether a space is used before the
+   * slash.
+   *
+   * Not used in the SVG space.
+   */
+  closeSelfClosing: boolean
+  /**
+   * Collapse empty attributes: get `class` instead of `class=""`.
+   *
+   * Not used in the SVG space.
+   *
+   * > 👉 **Note**: boolean attributes (such as `hidden`) are always collapsed.
+   */
+  collapseEmptyAttributes: boolean
+  /**
+   * Omit optional opening and closing tags.
+   *
+   * For example, in `<ol><li>one</li><li>two</li></ol>`, both `</li>` closing
+   * tags can be omitted.
+   * The first because it’s followed by another `li`, the last because it’s
+   * followed by nothing.
+   *
+   * Not used in the SVG space.
+   */
+  omitOptionalTags: boolean
+  /**
+   * Leave attributes unquoted if that results in less bytes.
+   *
+   * Not used in the SVG space.
+   */
+  preferUnquoted: boolean
+  /**
+   * Use the other quote if that results in less bytes.
+   */
+  quoteSmart: boolean
+  /**
+   * Join attributes together, without whitespace, if possible: get
+   * `class="a b"title="c d"` instead of `class="a b" title="c d"` to save
+   * bytes.
+   *
+   * Not used in the SVG space.
+   *
+   * > 👉 **Note**: intentionally creates parse errors in markup (how parse
+   * > errors are handled is well defined, so this works but isn’t pretty).
+   */
+  tightAttributes: boolean
+  /**
+   * Join known comma-separated attribute values with just a comma (`,`),
+   * instead of padding them on the right as well (`,␠`, where `␠` represents a
+   * space).
+   */
+  tightCommaSeparatedLists: boolean
+  /**
+   * Drop unneeded spaces in doctypes: `<!doctypehtml>` instead of
+   * `<!doctype html>` to save bytes.
+   *
+   * > 👉 **Note**: intentionally creates parse errors in markup (how parse
+   * > errors are handled is well defined, so this works but isn’t pretty).
+   */
+  tightDoctype: boolean
+  /**
+   * Do not use an extra space when closing self-closing elements: `<img/>`
+   * instead of `<img />`.
+   *
+   * > 👉 **Note**: only used if `closeSelfClosing: true` or
+   * > `closeEmptyElements: true`.
+   */
+  tightSelfClosing: boolean
+  /**
+   * Use a `<!DOCTYPE…` instead of `<!doctype…`.
+   *
+   * Useless except for XHTML.
+   */
+  upperDoctype: boolean
+  /**
+   * Tag names of elements to serialize without closing tag.
+   *
+   * Not used in the SVG space.
+   *
+   * > 👉 **Note**: It’s highly unlikely that you want to pass this, because
+   * > hast is not for XML, and HTML will not add more void elements.
+   */
+  voids: readonly string[]
+}
+/**
+ * Info passed around about the current state.
+ */
+export type State = {
+  /**
+   * Serialize one node.
+   */
+  one: (
+    node: Node,
+    index: number | undefined,
+    parent: Parent | undefined
+  ) => string
+  /**
+   * Serialize the children of a parent node.
+   */
+  all: (node: Parent | undefined) => string
+  /**
+   * User configuration.
+   */
+  settings: Settings
+  /**
+   * Current schema.
+   */
+  schema: Schema
+  /**
+   * Preferred quote.
+   */
+  quote: Quote
+  /**
+   * Alternative quote.
+   */
+  alternative: Quote
+}

node_modules/hast-util-to-html/lib/types.js

@@ -0,0 +1,175 @@
+/**
+ * @typedef {import('unist').Parent} UnistParent
+ * @typedef {import('unist').Literal} UnistLiteral
+ * @typedef {import('hast').Root} Root
+ * @typedef {import('hast').Comment} Comment
+ * @typedef {import('hast').DocType} DocType
+ * @typedef {import('hast').Element} Element
+ * @typedef {import('hast').Text} Text
+ * @typedef {import('hast').Content} Content
+ * @typedef {import('hast').Properties} Properties
+ * @typedef {import('hast-util-raw/complex-types.js').Raw} Raw
+ * @typedef {import('stringify-entities').Options} StringifyEntitiesOptions
+ * @typedef {import('property-information').Schema} Schema
+ */
+
+/**
+ * @typedef {Content | Root} Node
+ * @typedef {Extract<Node, UnistParent>} Parent
+ * @typedef {Properties[keyof Properties]} PropertyValue
+ *
+ * @callback OmitHandle
+ *   Check if a tag can be omitted.
+ * @param {Element} element
+ *   Element to check.
+ * @param {number | undefined} index
+ *   Index of element in parent.
+ * @param {Parent | undefined} parent
+ *   Parent of element.
+ * @returns {boolean}
+ *   Whether to omit a tag.
+ *
+ * @typedef {'html' | 'svg'} Space
+ *   Namespace.
+ *
+ * @typedef {Omit<StringifyEntitiesOptions, 'escapeOnly' | 'attribute' | 'subset'>} CharacterReferences
+ *
+ * @typedef {'"' | "'"} Quote
+ *   HTML quotes for attribute values.
+ *
+ * @typedef Options
+ *   Configuration.
+ * @property {boolean | null | undefined} [allowDangerousCharacters=false]
+ *   Do not encode some characters which cause XSS vulnerabilities in older
+ *   browsers.
+ *
+ *   > ⚠️ **Danger**: only set this if you completely trust the content.
+ * @property {boolean | null | undefined} [allowDangerousHtml=false]
+ *   Allow `raw` nodes and insert them as raw HTML.
+ *
+ *   When `false`, `Raw` nodes are encoded.
+ *
+ *   > ⚠️ **Danger**: only set this if you completely trust the content.
+ * @property {boolean | null | undefined} [allowParseErrors=false]
+ *   Do not encode characters which cause parse errors (even though they work),
+ *   to save bytes.
+ *
+ *   Not used in the SVG space.
+ *
+ *   > 👉 **Note**: intentionally creates parse errors in markup (how parse
+ *   > errors are handled is well defined, so this works but isn’t pretty).
+ * @property {boolean | null | undefined} [bogusComments=false]
+ *   Use “bogus comments” instead of comments to save byes: `<?charlie>`
+ *   instead of `<!--charlie-->`.
+ *
+ *   > 👉 **Note**: intentionally creates parse errors in markup (how parse
+ *   > errors are handled is well defined, so this works but isn’t pretty).
+ * @property {CharacterReferences | null | undefined} [characterReferences]
+ *   Configure how to serialize character references.
+ * @property {boolean | null | undefined} [closeEmptyElements=false]
+ *   Close SVG elements without any content with slash (`/`) on the opening tag
+ *   instead of an end tag: `<circle />` instead of `<circle></circle>`.
+ *
+ *   See `tightSelfClosing` to control whether a space is used before the
+ *   slash.
+ *
+ *   Not used in the HTML space.
+ * @property {boolean | null | undefined} [closeSelfClosing=false]
+ *   Close self-closing nodes with an extra slash (`/`): `<img />` instead of
+ *   `<img>`.
+ *
+ *   See `tightSelfClosing` to control whether a space is used before the
+ *   slash.
+ *
+ *   Not used in the SVG space.
+ * @property {boolean | null | undefined} [collapseEmptyAttributes=false]
+ *   Collapse empty attributes: get `class` instead of `class=""`.
+ *
+ *   Not used in the SVG space.
+ *
+ *   > 👉 **Note**: boolean attributes (such as `hidden`) are always collapsed.
+ * @property {CharacterReferences | null | undefined} [entities]
+ *   Deprecated: please use `characterReferences`.
+ * @property {boolean | null | undefined} [omitOptionalTags=false]
+ *   Omit optional opening and closing tags.
+ *
+ *   For example, in `<ol><li>one</li><li>two</li></ol>`, both `</li>` closing
+ *   tags can be omitted.
+ *   The first because it’s followed by another `li`, the last because it’s
+ *   followed by nothing.
+ *
+ *   Not used in the SVG space.
+ * @property {boolean | null | undefined} [preferUnquoted=false]
+ *   Leave attributes unquoted if that results in less bytes.
+ *
+ *   Not used in the SVG space.
+ * @property {Quote | null | undefined} [quote='"']
+ *   Preferred quote to use.
+ * @property {boolean | null | undefined} [quoteSmart=false]
+ *   Use the other quote if that results in less bytes.
+ * @property {Space | null | undefined} [space='html']
+ *   When an `<svg>` element is found in the HTML space, this package already
+ *   automatically switches to and from the SVG space when entering and exiting
+ *   it.
+ *
+ *   > 👉 **Note**: hast is not XML.
+ *   > It supports SVG as embedded in HTML.
+ *   > It does not support the features available in XML.
+ *   > Passing SVG might break but fragments of modern SVG should be fine.
+ *   > Use [`xast`][xast] if you need to support SVG as XML.
+ * @property {boolean | null | undefined} [tightAttributes=false]
+ *   Join attributes together, without whitespace, if possible: get
+ *   `class="a b"title="c d"` instead of `class="a b" title="c d"` to save
+ *   bytes.
+ *
+ *   Not used in the SVG space.
+ *
+ *   > 👉 **Note**: intentionally creates parse errors in markup (how parse
+ *   > errors are handled is well defined, so this works but isn’t pretty).
+ * @property {boolean | null | undefined} [tightCommaSeparatedLists=false]
+ *   Join known comma-separated attribute values with just a comma (`,`),
+ *   instead of padding them on the right as well (`,␠`, where `␠` represents a
+ *   space).
+ * @property {boolean | null | undefined} [tightDoctype=false]
+ *   Drop unneeded spaces in doctypes: `<!doctypehtml>` instead of
+ *   `<!doctype html>` to save bytes.
+ *
+ *   > 👉 **Note**: intentionally creates parse errors in markup (how parse
+ *   > errors are handled is well defined, so this works but isn’t pretty).
+ * @property {boolean | null | undefined} [tightSelfClosing=false]
+ *   Do not use an extra space when closing self-closing elements: `<img/>`
+ *   instead of `<img />`.
+ *
+ *   > 👉 **Note**: only used if `closeSelfClosing: true` or
+ *   > `closeEmptyElements: true`.
+ * @property {boolean | null | undefined} [upperDoctype=false]
+ *   Use a `<!DOCTYPE…` instead of `<!doctype…`.
+ *
+ *   Useless except for XHTML.
+ * @property {ReadonlyArray<string> | null | undefined} [voids]
+ *   Tag names of elements to serialize without closing tag.
+ *
+ *   Not used in the SVG space.
+ *
+ *   > 👉 **Note**: It’s highly unlikely that you want to pass this, because
+ *   > hast is not for XML, and HTML will not add more void elements.
+ *
+ * @typedef {Omit<Required<{[key in keyof Options]: Exclude<Options[key], null | undefined>}>, 'quote' | 'entities' | 'space'>} Settings
+ *
+ * @typedef State
+ *   Info passed around about the current state.
+ * @property {(node: Node, index: number | undefined, parent: Parent | undefined) => string} one
+ *   Serialize one node.
+ * @property {(node: Parent | undefined) => string} all
+ *   Serialize the children of a parent node.
+ * @property {Settings} settings
+ *   User configuration.
+ * @property {Schema} schema
+ *   Current schema.
+ * @property {Quote} quote
+ *   Preferred quote.
+ * @property {Quote} alternative
+ *   Alternative quote.
+ */
+
+export {}