up n_m

node_modules/estree-util-to-js/lib/index.d.ts

@@ -0,0 +1,133 @@
+export function toJs(tree: Program, options: OptionsWithSourceMapGenerator): ResultWithSourceMapGenerator;
+export function toJs(tree: Program, options: OptionsWithMaybeMapGenerator): ResultWithMaybeSourceMapGenerator;
+export function toJs(tree: Program, options?: OptionsWithoutSourceMapGenerator | null | undefined): ResultWithoutSourceMapGenerator;
+export type State = import('astring').State;
+export type Nodes = import('estree-jsx').Node;
+export type Program = import('estree-jsx').Program;
+export type SourceMapGenerator = typeof import('source-map').SourceMapGenerator;
+export type Map = import('source-map').RawSourceMap;
+export type Generator = Record<Nodes['type'], Handler>;
+/**
+ * Handle a particular node.
+ */
+export type Handler = (this: Generator, node: any, state: State) => undefined;
+export type Handlers = Partial<import('astring').Generator>;
+/**
+ * Configuration.
+ */
+export type Options = OptionsWithMaybeMapGenerator;
+/**
+ * Base shared option fields.
+ */
+export type OptionsFieldsBase = {
+    /**
+     * Object mapping node types to functions handling the corresponding nodes.
+     */
+    handlers?: Handlers | null | undefined;
+};
+/**
+ * Extra option fields where there’s definitely no source map generator.
+ */
+export type OptionsFieldsWithoutSourceMapGenerator = {
+    /**
+     * Generate a source map by passing a `SourceMapGenerator` from `source-map`
+     * in; this works if there is positional info on nodes.
+     */
+    SourceMapGenerator?: null | undefined;
+    /**
+     * Path to input file; only used in source map.
+     */
+    filePath?: null | undefined;
+};
+/**
+ * Extra option fields where there’s definitely a source map generator.
+ */
+export type OptionsFieldsWithSourceMapGenerator = {
+    /**
+     *   Generate a source map by passing a `SourceMapGenerator` from `source-map`
+     *   in; this works if there is positional info on nodes.
+     */
+    SourceMapGenerator: SourceMapGenerator;
+    /**
+     * Path to input file; only used in source map.
+     */
+    filePath?: string | null | undefined;
+};
+/**
+ * Extra option fields where there may or may not be a source map generator.
+ */
+export type OptionsFieldsMaybeSourceMapGenerator = {
+    /**
+     * Generate a source map by passing a `SourceMapGenerator` from `source-map`
+     * in; this works if there is positional info on nodes.
+     */
+    SourceMapGenerator?: SourceMapGenerator | null | undefined;
+    /**
+     * Path to input file; only used in source map.
+     */
+    filePath?: string | null | undefined;
+};
+/**
+ * Options where there’s definitely no source map generator.
+ */
+export type OptionsWithoutSourceMapGenerator = OptionsFieldsBase & OptionsFieldsWithoutSourceMapGenerator;
+/**
+ * Options where there’s definitely a source map generator.
+ */
+export type OptionsWithSourceMapGenerator = OptionsFieldsBase & OptionsFieldsWithSourceMapGenerator;
+/**
+ * Options where there may or may not be a source map generator.
+ */
+export type OptionsWithMaybeMapGenerator = OptionsFieldsBase & OptionsFieldsMaybeSourceMapGenerator;
+/**
+ * Result.
+ */
+export type Result = ResultWithMaybeSourceMapGenerator;
+/**
+ * Base shared result fields.
+ */
+export type ResultFieldsBase = {
+    /**
+     *   Serialized JavaScript.
+     */
+    value: string;
+};
+/**
+ * Extra result fields where there’s definitely no source map generator.
+ */
+export type ResultFieldsWithoutSourceMapGenerator = {
+    /**
+     *   Source map as (parsed) JSON, if `SourceMapGenerator` is passed.
+     */
+    map: undefined;
+};
+/**
+ * Extra result fields where there’s definitely a source map generator.
+ */
+export type ResultFieldsWithSourceMapGenerator = {
+    /**
+     *   Source map as (parsed) JSON, if `SourceMapGenerator` is not passed.
+     */
+    map: Map;
+};
+/**
+ * Extra result fields where there may or may not be a source map generator.
+ */
+export type ResultFieldsMaybeSourceMapGenerator = {
+    /**
+     *   Source map as (parsed) JSON, if `SourceMapGenerator` might be passed.
+     */
+    map: Map | undefined;
+};
+/**
+ * Result where there’s definitely no source map generator.
+ */
+export type ResultWithoutSourceMapGenerator = ResultFieldsBase & ResultFieldsWithoutSourceMapGenerator;
+/**
+ * Result where there’s definitely a source map generator.
+ */
+export type ResultWithSourceMapGenerator = ResultFieldsBase & ResultFieldsWithSourceMapGenerator;
+/**
+ * Result where there may or may not be a source map generator.
+ */
+export type ResultWithMaybeSourceMapGenerator = ResultFieldsBase & ResultFieldsMaybeSourceMapGenerator;

node_modules/estree-util-to-js/lib/index.js

@@ -0,0 +1,145 @@
+/**
+ * @typedef {import('astring').State} State
+ * @typedef {import('estree-jsx').Node} Nodes
+ * @typedef {import('estree-jsx').Program} Program
+ * @typedef {typeof import('source-map').SourceMapGenerator} SourceMapGenerator
+ * @typedef {import('source-map').RawSourceMap} Map
+ */
+
+/**
+ * @typedef {Record<Nodes['type'], Handler>} Generator
+ *
+ * @callback Handler
+ *  Handle a particular node.
+ * @param {Generator} this
+ *   `astring` generator.
+ * @param {any} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ *
+ * @typedef {Partial<import('astring').Generator>} Handlers
+ */
+
+/**
+ * @typedef {OptionsWithMaybeMapGenerator} Options
+ *   Configuration.
+ *
+ * @typedef OptionsFieldsBase
+ *   Base shared option fields.
+ * @property {Handlers | null | undefined} [handlers]
+ *   Object mapping node types to functions handling the corresponding nodes.
+ *
+ * @typedef OptionsFieldsWithoutSourceMapGenerator
+ *   Extra option fields where there’s definitely no source map generator.
+ * @property {null | undefined} [SourceMapGenerator]
+ *   Generate a source map by passing a `SourceMapGenerator` from `source-map`
+ *   in; this works if there is positional info on nodes.
+ * @property {null | undefined} [filePath]
+ *   Path to input file; only used in source map.
+ *
+ * @typedef OptionsFieldsWithSourceMapGenerator
+ *   Extra option fields where there’s definitely a source map generator.
+ * @property {SourceMapGenerator} SourceMapGenerator
+ *   Generate a source map by passing a `SourceMapGenerator` from `source-map`
+ *   in; this works if there is positional info on nodes.
+ * @property {string | null | undefined} [filePath]
+ *   Path to input file; only used in source map.
+ *
+ * @typedef OptionsFieldsMaybeSourceMapGenerator
+ *   Extra option fields where there may or may not be a source map generator.
+ * @property {SourceMapGenerator | null | undefined} [SourceMapGenerator]
+ *   Generate a source map by passing a `SourceMapGenerator` from `source-map`
+ *   in; this works if there is positional info on nodes.
+ * @property {string | null | undefined} [filePath]
+ *   Path to input file; only used in source map.
+ *
+ * @typedef {OptionsFieldsBase & OptionsFieldsWithoutSourceMapGenerator} OptionsWithoutSourceMapGenerator
+ *   Options where there’s definitely no source map generator.
+ * @typedef {OptionsFieldsBase & OptionsFieldsWithSourceMapGenerator} OptionsWithSourceMapGenerator
+ *   Options where there’s definitely a source map generator.
+ * @typedef {OptionsFieldsBase & OptionsFieldsMaybeSourceMapGenerator} OptionsWithMaybeMapGenerator
+ *   Options where there may or may not be a source map generator.
+ *
+ * @typedef {ResultWithMaybeSourceMapGenerator} Result
+ *   Result.
+ *
+ * @typedef ResultFieldsBase
+ *   Base shared result fields.
+ * @property {string} value
+ *   Serialized JavaScript.
+ *
+ * @typedef ResultFieldsWithoutSourceMapGenerator
+ *   Extra result fields where there’s definitely no source map generator.
+ * @property {undefined} map
+ *   Source map as (parsed) JSON, if `SourceMapGenerator` is passed.
+ *
+ * @typedef ResultFieldsWithSourceMapGenerator
+ *   Extra result fields where there’s definitely a source map generator.
+ * @property {Map} map
+ *   Source map as (parsed) JSON, if `SourceMapGenerator` is not passed.
+ *
+ * @typedef ResultFieldsMaybeSourceMapGenerator
+ *   Extra result fields where there may or may not be a source map generator.
+ * @property {Map | undefined} map
+ *   Source map as (parsed) JSON, if `SourceMapGenerator` might be passed.
+ *
+ * @typedef {ResultFieldsBase & ResultFieldsWithoutSourceMapGenerator} ResultWithoutSourceMapGenerator
+ *   Result where there’s definitely no source map generator.
+ * @typedef {ResultFieldsBase & ResultFieldsWithSourceMapGenerator} ResultWithSourceMapGenerator
+ *   Result where there’s definitely a source map generator.
+ * @typedef {ResultFieldsBase & ResultFieldsMaybeSourceMapGenerator} ResultWithMaybeSourceMapGenerator
+ *   Result where there may or may not be a source map generator.
+ */
+
+import {GENERATOR, generate} from 'astring'
+
+/** @type {Options} */
+const emptyOptions = {}
+
+/**
+ * Serialize an estree as JavaScript.
+ *
+ * @overload
+ * @param {Program} tree
+ * @param {OptionsWithSourceMapGenerator} options
+ * @returns {ResultWithSourceMapGenerator}
+ *
+ * @overload
+ * @param {Program} tree
+ * @param {OptionsWithMaybeMapGenerator} options
+ * @returns {ResultWithMaybeSourceMapGenerator}
+ *
+ * @overload
+ * @param {Program} tree
+ * @param {OptionsWithoutSourceMapGenerator | null | undefined} [options]
+ * @returns {ResultWithoutSourceMapGenerator}
+ *
+ * @param {Program} tree
+ *   Estree (esast).
+ * @param {Options | null | undefined} [options]
+ *   Configuration (optional).
+ * @returns {Result}
+ *   Result, optionally with source map.
+ */
+export function toJs(tree, options) {
+  const {SourceMapGenerator, filePath, handlers} = options || emptyOptions
+  const sourceMap = SourceMapGenerator
+    ? new SourceMapGenerator({file: filePath || '<unknown>.js'})
+    : undefined
+
+  const value = generate(
+    tree,
+    // @ts-expect-error: `sourceMap` can be undefined, `astring` types are buggy.
+    {
+      comments: true,
+      generator: {...GENERATOR, ...handlers},
+      sourceMap: sourceMap || undefined
+    }
+  )
+  const map = sourceMap ? sourceMap.toJSON() : undefined
+
+  return {value, map}
+}

node_modules/estree-util-to-js/lib/jsx.d.ts

@@ -0,0 +1,213 @@
+export namespace jsx {
+    export { jsxAttribute as JSXAttribute };
+    export { jsxClosingElement as JSXClosingElement };
+    export { jsxClosingFragment as JSXClosingFragment };
+    export { jsxElement as JSXElement };
+    export { jsxEmptyExpression as JSXEmptyExpression };
+    export { jsxExpressionContainer as JSXExpressionContainer };
+    export { jsxFragment as JSXFragment };
+    export { jsxIdentifier as JSXIdentifier };
+    export { jsxMemberExpression as JSXMemberExpression };
+    export { jsxNamespacedName as JSXNamespacedName };
+    export { jsxOpeningElement as JSXOpeningElement };
+    export { jsxOpeningFragment as JSXOpeningFragment };
+    export { jsxSpreadAttribute as JSXSpreadAttribute };
+    export { jsxText as JSXText };
+}
+export type JsxAttribute = import('estree-jsx').JSXAttribute;
+export type JsxClosingElement = import('estree-jsx').JSXClosingElement;
+export type JsxClosingFragment = import('estree-jsx').JSXClosingFragment;
+export type JsxElement = import('estree-jsx').JSXElement;
+export type JsxExpressionContainer = import('estree-jsx').JSXExpressionContainer;
+export type JsxFragment = import('estree-jsx').JSXFragment;
+export type JsxIdentifier = import('estree-jsx').JSXIdentifier;
+export type JsxMemberExpression = import('estree-jsx').JSXMemberExpression;
+export type JsxNamespacedName = import('estree-jsx').JSXNamespacedName;
+export type JsxOpeningElement = import('estree-jsx').JSXOpeningElement;
+export type JsxOpeningFragment = import('estree-jsx').JSXOpeningFragment;
+export type JsxSpreadAttribute = import('estree-jsx').JSXSpreadAttribute;
+export type JsxText = import('estree-jsx').JSXText;
+export type Generator = import('./index.js').Generator;
+export type State = import('./index.js').State;
+/**
+ * `attr`
+ * `attr="something"`
+ * `attr={1}`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxAttribute} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxAttribute(this: import("./index.js").Generator, node: JsxAttribute, state: State): undefined;
+/**
+ * `</div>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxClosingElement} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxClosingElement(this: import("./index.js").Generator, node: JsxClosingElement, state: State): undefined;
+/**
+ * `</>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxClosingFragment} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxClosingFragment(this: import("./index.js").Generator, node: JsxClosingFragment, state: State): undefined;
+/**
+ * `<div />`
+ * `<div></div>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxElement} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxElement(this: import("./index.js").Generator, node: JsxElement, state: State): undefined;
+/**
+ * `{}` (always in a `JSXExpressionContainer`, which does the curlies)
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxEmptyExpression(this: import("./index.js").Generator): undefined;
+/**
+ * `{expression}`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxExpressionContainer} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxExpressionContainer(this: import("./index.js").Generator, node: JsxExpressionContainer, state: State): undefined;
+/**
+ * `<></>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxFragment} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxFragment(this: import("./index.js").Generator, node: JsxFragment, state: State): undefined;
+/**
+ * `div`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxIdentifier} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxIdentifier(this: import("./index.js").Generator, node: JsxIdentifier, state: State): undefined;
+/**
+ * `member.expression`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxMemberExpression} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxMemberExpression(this: import("./index.js").Generator, node: JsxMemberExpression, state: State): undefined;
+/**
+ * `ns:name`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxNamespacedName} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxNamespacedName(this: import("./index.js").Generator, node: JsxNamespacedName, state: State): undefined;
+/**
+ * `<div>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxOpeningElement} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxOpeningElement(this: import("./index.js").Generator, node: JsxOpeningElement, state: State): undefined;
+/**
+ * `<>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxOpeningFragment} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxOpeningFragment(this: import("./index.js").Generator, node: JsxOpeningFragment, state: State): undefined;
+/**
+ * `{...argument}`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxSpreadAttribute} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxSpreadAttribute(this: import("./index.js").Generator, node: JsxSpreadAttribute, state: State): undefined;
+/**
+ * `!`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxText} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+declare function jsxText(this: import("./index.js").Generator, node: JsxText, state: State): undefined;
+export {};

node_modules/estree-util-to-js/lib/jsx.js

@@ -0,0 +1,364 @@
+/**
+ * @typedef {import('estree-jsx').JSXAttribute} JsxAttribute
+ * @typedef {import('estree-jsx').JSXClosingElement} JsxClosingElement
+ * @typedef {import('estree-jsx').JSXClosingFragment} JsxClosingFragment
+ * @typedef {import('estree-jsx').JSXElement} JsxElement
+ * @typedef {import('estree-jsx').JSXExpressionContainer} JsxExpressionContainer
+ * @typedef {import('estree-jsx').JSXFragment} JsxFragment
+ * @typedef {import('estree-jsx').JSXIdentifier} JsxIdentifier
+ * @typedef {import('estree-jsx').JSXMemberExpression} JsxMemberExpression
+ * @typedef {import('estree-jsx').JSXNamespacedName} JsxNamespacedName
+ * @typedef {import('estree-jsx').JSXOpeningElement} JsxOpeningElement
+ * @typedef {import('estree-jsx').JSXOpeningFragment} JsxOpeningFragment
+ * @typedef {import('estree-jsx').JSXSpreadAttribute} JsxSpreadAttribute
+ * @typedef {import('estree-jsx').JSXText} JsxText
+ *
+ * @typedef {import('./index.js').Generator} Generator
+ * @typedef {import('./index.js').State} State
+ */
+
+export const jsx = {
+  JSXAttribute: jsxAttribute,
+  JSXClosingElement: jsxClosingElement,
+  JSXClosingFragment: jsxClosingFragment,
+  JSXElement: jsxElement,
+  JSXEmptyExpression: jsxEmptyExpression,
+  JSXExpressionContainer: jsxExpressionContainer,
+  JSXFragment: jsxFragment,
+  JSXIdentifier: jsxIdentifier,
+  JSXMemberExpression: jsxMemberExpression,
+  JSXNamespacedName: jsxNamespacedName,
+  JSXOpeningElement: jsxOpeningElement,
+  JSXOpeningFragment: jsxOpeningFragment,
+  JSXSpreadAttribute: jsxSpreadAttribute,
+  JSXText: jsxText
+}
+
+/**
+ * `attr`
+ * `attr="something"`
+ * `attr={1}`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxAttribute} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxAttribute(node, state) {
+  this[node.name.type](node.name, state)
+
+  if (node.value !== null && node.value !== undefined) {
+    state.write('=')
+
+    // Encode double quotes in attribute values.
+    if (node.value.type === 'Literal') {
+      state.write(
+        '"' + encodeJsx(String(node.value.value)).replace(/"/g, '"') + '"',
+        node
+      )
+    } else {
+      this[node.value.type](node.value, state)
+    }
+  }
+}
+
+/**
+ * `</div>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxClosingElement} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxClosingElement(node, state) {
+  state.write('</')
+  this[node.name.type](node.name, state)
+  state.write('>')
+}
+
+/**
+ * `</>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxClosingFragment} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxClosingFragment(node, state) {
+  state.write('</>', node)
+}
+
+/**
+ * `<div />`
+ * `<div></div>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxElement} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxElement(node, state) {
+  let index = -1
+
+  this[node.openingElement.type](node.openingElement, state)
+
+  if (node.children) {
+    while (++index < node.children.length) {
+      const child = node.children[index]
+
+      // Supported in types but not by Acorn.
+      /* c8 ignore next 3 */
+      if (child.type === 'JSXSpreadChild') {
+        throw new Error('JSX spread children are not supported')
+      }
+
+      this[child.type](child, state)
+    }
+  }
+
+  if (node.closingElement) {
+    this[node.closingElement.type](node.closingElement, state)
+  }
+}
+
+/**
+ * `{}` (always in a `JSXExpressionContainer`, which does the curlies)
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxEmptyExpression() {}
+
+/**
+ * `{expression}`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxExpressionContainer} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxExpressionContainer(node, state) {
+  state.write('{')
+  this[node.expression.type](node.expression, state)
+  state.write('}')
+}
+
+/**
+ * `<></>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxFragment} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxFragment(node, state) {
+  let index = -1
+
+  this[node.openingFragment.type](node.openingFragment, state)
+
+  if (node.children) {
+    while (++index < node.children.length) {
+      const child = node.children[index]
+
+      // Supported in types but not by Acorn.
+      /* c8 ignore next 3 */
+      if (child.type === 'JSXSpreadChild') {
+        throw new Error('JSX spread children are not supported')
+      }
+
+      this[child.type](child, state)
+    }
+  }
+
+  this[node.closingFragment.type](node.closingFragment, state)
+}
+
+/**
+ * `div`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxIdentifier} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxIdentifier(node, state) {
+  state.write(node.name, node)
+}
+
+/**
+ * `member.expression`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxMemberExpression} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxMemberExpression(node, state) {
+  this[node.object.type](node.object, state)
+  state.write('.')
+  this[node.property.type](node.property, state)
+}
+
+/**
+ * `ns:name`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxNamespacedName} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxNamespacedName(node, state) {
+  this[node.namespace.type](node.namespace, state)
+  state.write(':')
+  this[node.name.type](node.name, state)
+}
+
+/**
+ * `<div>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxOpeningElement} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxOpeningElement(node, state) {
+  let index = -1
+
+  state.write('<')
+  this[node.name.type](node.name, state)
+
+  if (node.attributes) {
+    while (++index < node.attributes.length) {
+      state.write(' ')
+      this[node.attributes[index].type](node.attributes[index], state)
+    }
+  }
+
+  state.write(node.selfClosing ? ' />' : '>')
+}
+
+/**
+ * `<>`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxOpeningFragment} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxOpeningFragment(node, state) {
+  state.write('<>', node)
+}
+
+/**
+ * `{...argument}`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxSpreadAttribute} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxSpreadAttribute(node, state) {
+  state.write('{')
+  // eslint-disable-next-line new-cap
+  this.SpreadElement(node, state)
+  state.write('}')
+}
+
+/**
+ * `!`
+ *
+ * @this {Generator}
+ *   `astring` generator.
+ * @param {JsxText} node
+ *   Node to serialize.
+ * @param {State} state
+ *   Info passed around.
+ * @returns {undefined}
+ *   Nothing.
+ */
+function jsxText(node, state) {
+  state.write(encodeJsx(node.value).replace(/[<>{}]/g, replaceJsxChar), node)
+}
+
+/**
+ * Make sure that character references don’t pop up.
+ *
+ * For example, the text `&copy;` should stay that way, and not turn into `©`.
+ * We could encode all `&` (easy but verbose) or look for actual valid
+ * references (complex but cleanest output).
+ * Looking for the 2nd character gives us a middle ground.
+ * The `#` is for (decimal and hexadecimal) numeric references, the letters
+ * are for the named references.
+ *
+ * @param {string} value
+ *   Value to encode.
+ * @returns {string}
+ *   Encoded value.
+ */
+function encodeJsx(value) {
+  return value.replace(/&(?=[#a-z])/gi, '&amp;')
+}
+
+/**
+ * @param {string} $0
+ * @returns {string}
+ */
+function replaceJsxChar($0) {
+  return $0 === '<'
+    ? '&lt;'
+    : $0 === '>'
+    ? '&gt;'
+    : $0 === '{'
+    ? '&#123;'
+    : '&#125;'
+}