tokenizer-event-handlers.js 40 KB

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  1. import { assertPresent, assign } from '@glimmer/util';
  2. import { parse, parseWithoutProcessing } from '@handlebars/parser';
  3. import { EntityParser } from 'simple-html-tokenizer';
  4. import print from '../generation/print';
  5. import { voidMap } from '../generation/printer';
  6. import { Source } from '../source/source';
  7. import { SourceSpan } from '../source/span';
  8. import { generateSyntaxError } from '../syntax-error';
  9. import traverse from '../traversal/traverse';
  10. import Walker from '../traversal/walker';
  11. import { appendChild, parseElementBlockParams } from '../utils';
  12. import b from '../v1/parser-builders';
  13. import publicBuilder from '../v1/public-builders';
  14. import { HandlebarsNodeVisitors } from './handlebars-node-visitors';
  15. export class TokenizerEventHandlers extends HandlebarsNodeVisitors {
  16. constructor() {
  17. super(...arguments);
  18. this.tagOpenLine = 0;
  19. this.tagOpenColumn = 0;
  20. }
  21. reset() {
  22. this.currentNode = null;
  23. } // Comment
  24. beginComment() {
  25. this.currentNode = b.comment('', this.source.offsetFor(this.tagOpenLine, this.tagOpenColumn));
  26. }
  27. appendToCommentData(char) {
  28. this.currentComment.value += char;
  29. }
  30. finishComment() {
  31. appendChild(this.currentElement(), this.finish(this.currentComment));
  32. } // Data
  33. beginData() {
  34. this.currentNode = b.text({
  35. chars: '',
  36. loc: this.offset().collapsed()
  37. });
  38. }
  39. appendToData(char) {
  40. this.currentData.chars += char;
  41. }
  42. finishData() {
  43. this.currentData.loc = this.currentData.loc.withEnd(this.offset());
  44. appendChild(this.currentElement(), this.currentData);
  45. } // Tags - basic
  46. tagOpen() {
  47. this.tagOpenLine = this.tokenizer.line;
  48. this.tagOpenColumn = this.tokenizer.column;
  49. }
  50. beginStartTag() {
  51. this.currentNode = {
  52. type: 'StartTag',
  53. name: '',
  54. attributes: [],
  55. modifiers: [],
  56. comments: [],
  57. selfClosing: false,
  58. loc: this.source.offsetFor(this.tagOpenLine, this.tagOpenColumn)
  59. };
  60. }
  61. beginEndTag() {
  62. this.currentNode = {
  63. type: 'EndTag',
  64. name: '',
  65. attributes: [],
  66. modifiers: [],
  67. comments: [],
  68. selfClosing: false,
  69. loc: this.source.offsetFor(this.tagOpenLine, this.tagOpenColumn)
  70. };
  71. }
  72. finishTag() {
  73. let tag = this.finish(this.currentTag);
  74. if (tag.type === 'StartTag') {
  75. this.finishStartTag();
  76. if (tag.name === ':') {
  77. throw generateSyntaxError('Invalid named block named detected, you may have created a named block without a name, or you may have began your name with a number. Named blocks must have names that are at least one character long, and begin with a lower case letter', this.source.spanFor({
  78. start: this.currentTag.loc.toJSON(),
  79. end: this.offset().toJSON()
  80. }));
  81. }
  82. if (voidMap[tag.name] || tag.selfClosing) {
  83. this.finishEndTag(true);
  84. }
  85. } else if (tag.type === 'EndTag') {
  86. this.finishEndTag(false);
  87. }
  88. }
  89. finishStartTag() {
  90. let {
  91. name,
  92. attributes: attrs,
  93. modifiers,
  94. comments,
  95. selfClosing,
  96. loc
  97. } = this.finish(this.currentStartTag);
  98. let element = b.element({
  99. tag: name,
  100. selfClosing,
  101. attrs,
  102. modifiers,
  103. comments,
  104. children: [],
  105. blockParams: [],
  106. loc
  107. });
  108. this.elementStack.push(element);
  109. }
  110. finishEndTag(isVoid) {
  111. let tag = this.finish(this.currentTag);
  112. let element = this.elementStack.pop();
  113. let parent = this.currentElement();
  114. this.validateEndTag(tag, element, isVoid);
  115. element.loc = element.loc.withEnd(this.offset());
  116. parseElementBlockParams(element);
  117. appendChild(parent, element);
  118. }
  119. markTagAsSelfClosing() {
  120. this.currentTag.selfClosing = true;
  121. } // Tags - name
  122. appendToTagName(char) {
  123. this.currentTag.name += char;
  124. } // Tags - attributes
  125. beginAttribute() {
  126. let offset = this.offset();
  127. this.currentAttribute = {
  128. name: '',
  129. parts: [],
  130. currentPart: null,
  131. isQuoted: false,
  132. isDynamic: false,
  133. start: offset,
  134. valueSpan: offset.collapsed()
  135. };
  136. }
  137. appendToAttributeName(char) {
  138. this.currentAttr.name += char;
  139. }
  140. beginAttributeValue(isQuoted) {
  141. this.currentAttr.isQuoted = isQuoted;
  142. this.startTextPart();
  143. this.currentAttr.valueSpan = this.offset().collapsed();
  144. }
  145. appendToAttributeValue(char) {
  146. let parts = this.currentAttr.parts;
  147. let lastPart = parts[parts.length - 1];
  148. let current = this.currentAttr.currentPart;
  149. if (current) {
  150. current.chars += char; // update end location for each added char
  151. current.loc = current.loc.withEnd(this.offset());
  152. } else {
  153. // initially assume the text node is a single char
  154. let loc = this.offset(); // the tokenizer line/column have already been advanced, correct location info
  155. if (char === '\n') {
  156. loc = lastPart ? lastPart.loc.getEnd() : this.currentAttr.valueSpan.getStart();
  157. } else {
  158. loc = loc.move(-1);
  159. }
  160. this.currentAttr.currentPart = b.text({
  161. chars: char,
  162. loc: loc.collapsed()
  163. });
  164. }
  165. }
  166. finishAttributeValue() {
  167. this.finalizeTextPart();
  168. let tag = this.currentTag;
  169. let tokenizerPos = this.offset();
  170. if (tag.type === 'EndTag') {
  171. throw generateSyntaxError(`Invalid end tag: closing tag must not have attributes`, this.source.spanFor({
  172. start: tag.loc.toJSON(),
  173. end: tokenizerPos.toJSON()
  174. }));
  175. }
  176. let {
  177. name,
  178. parts,
  179. start,
  180. isQuoted,
  181. isDynamic,
  182. valueSpan
  183. } = this.currentAttr;
  184. let value = this.assembleAttributeValue(parts, isQuoted, isDynamic, start.until(tokenizerPos));
  185. value.loc = valueSpan.withEnd(tokenizerPos);
  186. let attribute = b.attr({
  187. name,
  188. value,
  189. loc: start.until(tokenizerPos)
  190. });
  191. this.currentStartTag.attributes.push(attribute);
  192. }
  193. reportSyntaxError(message) {
  194. throw generateSyntaxError(message, this.offset().collapsed());
  195. }
  196. assembleConcatenatedValue(parts) {
  197. for (let i = 0; i < parts.length; i++) {
  198. let part = parts[i];
  199. if (part.type !== 'MustacheStatement' && part.type !== 'TextNode') {
  200. throw generateSyntaxError('Unsupported node in quoted attribute value: ' + part['type'], part.loc);
  201. }
  202. }
  203. assertPresent(parts, `the concatenation parts of an element should not be empty`);
  204. let first = parts[0];
  205. let last = parts[parts.length - 1];
  206. return b.concat(parts, this.source.spanFor(first.loc).extend(this.source.spanFor(last.loc)));
  207. }
  208. validateEndTag(tag, element, selfClosing) {
  209. let error;
  210. if (voidMap[tag.name] && !selfClosing) {
  211. // EngTag is also called by StartTag for void and self-closing tags (i.e.
  212. // <input> or <br />, so we need to check for that here. Otherwise, we would
  213. // throw an error for those cases.
  214. error = `<${tag.name}> elements do not need end tags. You should remove it`;
  215. } else if (element.tag === undefined) {
  216. error = `Closing tag </${tag.name}> without an open tag`;
  217. } else if (element.tag !== tag.name) {
  218. error = `Closing tag </${tag.name}> did not match last open tag <${element.tag}> (on line ${element.loc.startPosition.line})`;
  219. }
  220. if (error) {
  221. throw generateSyntaxError(error, tag.loc);
  222. }
  223. }
  224. assembleAttributeValue(parts, isQuoted, isDynamic, span) {
  225. if (isDynamic) {
  226. if (isQuoted) {
  227. return this.assembleConcatenatedValue(parts);
  228. } else {
  229. if (parts.length === 1 || parts.length === 2 && parts[1].type === 'TextNode' && parts[1].chars === '/') {
  230. return parts[0];
  231. } else {
  232. throw generateSyntaxError(`An unquoted attribute value must be a string or a mustache, ` + `preceded by whitespace or a '=' character, and ` + `followed by whitespace, a '>' character, or '/>'`, span);
  233. }
  234. }
  235. } else {
  236. return parts.length > 0 ? parts[0] : b.text({
  237. chars: '',
  238. loc: span
  239. });
  240. }
  241. }
  242. }
  243. const syntax = {
  244. parse: preprocess,
  245. builders: publicBuilder,
  246. print,
  247. traverse,
  248. Walker
  249. };
  250. class CodemodEntityParser extends EntityParser {
  251. // match upstream types, but never match an entity
  252. constructor() {
  253. super({});
  254. }
  255. parse() {
  256. return undefined;
  257. }
  258. }
  259. export function preprocess(input, options = {}) {
  260. var _a, _b, _c;
  261. let mode = options.mode || 'precompile';
  262. let source;
  263. let ast;
  264. if (typeof input === 'string') {
  265. source = new Source(input, (_a = options.meta) === null || _a === void 0 ? void 0 : _a.moduleName);
  266. if (mode === 'codemod') {
  267. ast = parseWithoutProcessing(input, options.parseOptions);
  268. } else {
  269. ast = parse(input, options.parseOptions);
  270. }
  271. } else if (input instanceof Source) {
  272. source = input;
  273. if (mode === 'codemod') {
  274. ast = parseWithoutProcessing(input.source, options.parseOptions);
  275. } else {
  276. ast = parse(input.source, options.parseOptions);
  277. }
  278. } else {
  279. source = new Source('', (_b = options.meta) === null || _b === void 0 ? void 0 : _b.moduleName);
  280. ast = input;
  281. }
  282. let entityParser = undefined;
  283. if (mode === 'codemod') {
  284. entityParser = new CodemodEntityParser();
  285. }
  286. let offsets = SourceSpan.forCharPositions(source, 0, source.source.length);
  287. ast.loc = {
  288. source: '(program)',
  289. start: offsets.startPosition,
  290. end: offsets.endPosition
  291. };
  292. let program = new TokenizerEventHandlers(source, entityParser, mode).acceptTemplate(ast);
  293. if (options.strictMode) {
  294. program.blockParams = (_c = options.locals) !== null && _c !== void 0 ? _c : [];
  295. }
  296. if (options && options.plugins && options.plugins.ast) {
  297. for (let i = 0, l = options.plugins.ast.length; i < l; i++) {
  298. let transform = options.plugins.ast[i];
  299. let env = assign({}, options, {
  300. syntax
  301. }, {
  302. plugins: undefined
  303. });
  304. let pluginResult = transform(env);
  305. traverse(program, pluginResult.visitor);
  306. }
  307. }
  308. return program;
  309. }
  310. //# 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{ Option } from '@glimmer/interfaces';\nimport { assertPresent, assign } from '@glimmer/util';\nimport { parse, parseWithoutProcessing } from '@handlebars/parser';\nimport { EntityParser } from 'simple-html-tokenizer';\n\nimport print from '../generation/print';\nimport { voidMap } from '../generation/printer';\nimport { Tag } from '../parser';\nimport { Source } from '../source/source';\nimport { SourceOffset, SourceSpan } from '../source/span';\nimport { generateSyntaxError } from '../syntax-error';\nimport traverse from '../traversal/traverse';\nimport { NodeVisitor } from '../traversal/visitor';\nimport Walker from '../traversal/walker';\nimport { appendChild, parseElementBlockParams } from '../utils';\nimport * as ASTv1 from '../v1/api';\nimport * as HBS from '../v1/handlebars-ast';\nimport b from '../v1/parser-builders';\nimport publicBuilder from '../v1/public-builders';\nimport { HandlebarsNodeVisitors } from './handlebars-node-visitors';\n\nexport class TokenizerEventHandlers extends HandlebarsNodeVisitors {\n  private tagOpenLine = 0;\n  private tagOpenColumn = 0;\n\n  reset(): void {\n    this.currentNode = null;\n  }\n\n  // Comment\n\n  beginComment(): void {\n    this.currentNode = b.comment('', this.source.offsetFor(this.tagOpenLine, this.tagOpenColumn));\n  }\n\n  appendToCommentData(char: string): void {\n    this.currentComment.value += char;\n  }\n\n  finishComment(): void {\n    appendChild(this.currentElement(), this.finish(this.currentComment));\n  }\n\n  // Data\n\n  beginData(): void {\n    this.currentNode = b.text({\n      chars: '',\n      loc: this.offset().collapsed(),\n    });\n  }\n\n  appendToData(char: string): void {\n    this.currentData.chars += char;\n  }\n\n  finishData(): void {\n    this.currentData.loc = this.currentData.loc.withEnd(this.offset());\n\n    appendChild(this.currentElement(), this.currentData);\n  }\n\n  // Tags - basic\n\n  tagOpen(): void {\n    this.tagOpenLine = this.tokenizer.line;\n    this.tagOpenColumn = this.tokenizer.column;\n  }\n\n  beginStartTag(): void {\n    this.currentNode = {\n      type: 'StartTag',\n      name: '',\n      attributes: [],\n      modifiers: [],\n      comments: [],\n      selfClosing: false,\n      loc: this.source.offsetFor(this.tagOpenLine, this.tagOpenColumn),\n    };\n  }\n\n  beginEndTag(): void {\n    this.currentNode = {\n      type: 'EndTag',\n      name: '',\n      attributes: [],\n      modifiers: [],\n      comments: [],\n      selfClosing: false,\n      loc: this.source.offsetFor(this.tagOpenLine, this.tagOpenColumn),\n    };\n  }\n\n  finishTag(): void {\n    let tag = this.finish(this.currentTag);\n\n    if (tag.type === 'StartTag') {\n      this.finishStartTag();\n\n      if (tag.name === ':') {\n        throw generateSyntaxError(\n          'Invalid named block named detected, you may have created a named block without a name, or you may have began your name with a number. Named blocks must have names that are at least one character long, and begin with a lower case letter',\n          this.source.spanFor({\n            start: this.currentTag.loc.toJSON(),\n            end: this.offset().toJSON(),\n          })\n        );\n      }\n\n      if (voidMap[tag.name] || tag.selfClosing) {\n        this.finishEndTag(true);\n      }\n    } else if (tag.type === 'EndTag') {\n      this.finishEndTag(false);\n    }\n  }\n\n  finishStartTag(): void {\n    let { name, attributes: attrs, modifiers, comments, selfClosing, loc } = this.finish(\n      this.currentStartTag\n    );\n\n    let element = b.element({\n      tag: name,\n      selfClosing,\n      attrs,\n      modifiers,\n      comments,\n      children: [],\n      blockParams: [],\n      loc,\n    });\n    this.elementStack.push(element);\n  }\n\n  finishEndTag(isVoid: boolean): void {\n    let tag = this.finish(this.currentTag);\n\n    let element = this.elementStack.pop() as ASTv1.ElementNode;\n    let parent = this.currentElement();\n\n    this.validateEndTag(tag, element, isVoid);\n\n    element.loc = element.loc.withEnd(this.offset());\n    parseElementBlockParams(element);\n    appendChild(parent, element);\n  }\n\n  markTagAsSelfClosing(): void {\n    this.currentTag.selfClosing = true;\n  }\n\n  // Tags - name\n\n  appendToTagName(char: string): void {\n    this.currentTag.name += char;\n  }\n\n  // Tags - attributes\n\n  beginAttribute(): void {\n    let offset = this.offset();\n\n    this.currentAttribute = {\n      name: '',\n      parts: [],\n      currentPart: null,\n      isQuoted: false,\n      isDynamic: false,\n      start: offset,\n      valueSpan: offset.collapsed(),\n    };\n  }\n\n  appendToAttributeName(char: string): void {\n    this.currentAttr.name += char;\n  }\n\n  beginAttributeValue(isQuoted: boolean): void {\n    this.currentAttr.isQuoted = isQuoted;\n    this.startTextPart();\n    this.currentAttr.valueSpan = this.offset().collapsed();\n  }\n\n  appendToAttributeValue(char: string): void {\n    let parts = this.currentAttr.parts;\n    let lastPart = parts[parts.length - 1];\n\n    let current = this.currentAttr.currentPart;\n\n    if (current) {\n      current.chars += char;\n\n      // update end location for each added char\n      current.loc = current.loc.withEnd(this.offset());\n    } else {\n      // initially assume the text node is a single char\n      let loc: SourceOffset = this.offset();\n\n      // the tokenizer line/column have already been advanced, correct location info\n      if (char === '\\n') {\n        loc = lastPart ? lastPart.loc.getEnd() : this.currentAttr.valueSpan.getStart();\n      } else {\n        loc = loc.move(-1);\n      }\n\n      this.currentAttr.currentPart = b.text({ chars: char, loc: loc.collapsed() });\n    }\n  }\n\n  finishAttributeValue(): void {\n    this.finalizeTextPart();\n\n    let tag = this.currentTag;\n    let tokenizerPos = this.offset();\n\n    if (tag.type === 'EndTag') {\n      throw generateSyntaxError(\n        `Invalid end tag: closing tag must not have attributes`,\n        this.source.spanFor({ start: tag.loc.toJSON(), end: tokenizerPos.toJSON() })\n      );\n    }\n\n    let { name, parts, start, isQuoted, isDynamic, valueSpan } = this.currentAttr;\n    let value = this.assembleAttributeValue(parts, isQuoted, isDynamic, start.until(tokenizerPos));\n    value.loc = valueSpan.withEnd(tokenizerPos);\n\n    let attribute = b.attr({ name, value, loc: start.until(tokenizerPos) });\n\n    this.currentStartTag.attributes.push(attribute);\n  }\n\n  reportSyntaxError(message: string): void {\n    throw generateSyntaxError(message, this.offset().collapsed());\n  }\n\n  assembleConcatenatedValue(\n    parts: (ASTv1.MustacheStatement | ASTv1.TextNode)[]\n  ): ASTv1.ConcatStatement {\n    for (let i = 0; i < parts.length; i++) {\n      let part: ASTv1.BaseNode = parts[i];\n\n      if (part.type !== 'MustacheStatement' && part.type !== 'TextNode') {\n        throw generateSyntaxError(\n          'Unsupported node in quoted attribute value: ' + part['type'],\n          part.loc\n        );\n      }\n    }\n\n    assertPresent(parts, `the concatenation parts of an element should not be empty`);\n\n    let first = parts[0];\n    let last = parts[parts.length - 1];\n\n    return b.concat(parts, this.source.spanFor(first.loc).extend(this.source.spanFor(last.loc)));\n  }\n\n  validateEndTag(\n    tag: Tag<'StartTag' | 'EndTag'>,\n    element: ASTv1.ElementNode,\n    selfClosing: boolean\n  ): void {\n    let error;\n\n    if (voidMap[tag.name] && !selfClosing) {\n      // EngTag is also called by StartTag for void and self-closing tags (i.e.\n      // <input> or <br />, so we need to check for that here. Otherwise, we would\n      // throw an error for those cases.\n      error = `<${tag.name}> elements do not need end tags. You should remove it`;\n    } else if (element.tag === undefined) {\n      error = `Closing tag </${tag.name}> without an open tag`;\n    } else if (element.tag !== tag.name) {\n      error = `Closing tag </${tag.name}> did not match last open tag <${element.tag}> (on line ${element.loc.startPosition.line})`;\n    }\n\n    if (error) {\n      throw generateSyntaxError(error, tag.loc);\n    }\n  }\n\n  assembleAttributeValue(\n    parts: (ASTv1.MustacheStatement | ASTv1.TextNode)[],\n    isQuoted: boolean,\n    isDynamic: boolean,\n    span: SourceSpan\n  ): ASTv1.ConcatStatement | ASTv1.MustacheStatement | ASTv1.TextNode {\n    if (isDynamic) {\n      if (isQuoted) {\n        return this.assembleConcatenatedValue(parts);\n      } else {\n        if (\n          parts.length === 1 ||\n          (parts.length === 2 &&\n            parts[1].type === 'TextNode' &&\n            (parts[1] as ASTv1.TextNode).chars === '/')\n        ) {\n          return parts[0];\n        } else {\n          throw generateSyntaxError(\n            `An unquoted attribute value must be a string or a mustache, ` +\n              `preceded by whitespace or a '=' character, and ` +\n              `followed by whitespace, a '>' character, or '/>'`,\n            span\n          );\n        }\n      }\n    } else {\n      return parts.length > 0 ? parts[0] : b.text({ chars: '', loc: span });\n    }\n  }\n}\n\n/**\n  ASTPlugins can make changes to the Glimmer template AST before\n  compilation begins.\n*/\nexport interface ASTPluginBuilder<TEnv extends ASTPluginEnvironment = ASTPluginEnvironment> {\n  (env: TEnv): ASTPlugin;\n}\n\nexport interface ASTPlugin {\n  name: string;\n  visitor: NodeVisitor;\n}\n\nexport interface ASTPluginEnvironment {\n  meta?: object;\n  syntax: Syntax;\n}\n\ninterface HandlebarsParseOptions {\n  srcName?: string;\n  ignoreStandalone?: boolean;\n}\n\nexport interface TemplateIdFn {\n  (src: string): Option<string>;\n}\n\nexport interface PrecompileOptions extends PreprocessOptions {\n  id?: TemplateIdFn;\n  customizeComponentName?(input: string): string;\n}\n\nexport interface PreprocessOptions {\n  strictMode?: boolean;\n  locals?: string[];\n  meta?: {\n    moduleName?: string;\n  };\n  plugins?: {\n    ast?: ASTPluginBuilder[];\n  };\n  parseOptions?: HandlebarsParseOptions;\n  customizeComponentName?(input: string): string;\n\n  /**\n    Useful for specifying a group of options together.\n\n    When `'codemod'` we disable all whitespace control in handlebars\n    (to preserve as much as possible) and we also avoid any\n    escaping/unescaping of HTML entity codes.\n   */\n  mode?: 'codemod' | 'precompile';\n}\n\nexport interface Syntax {\n  parse: typeof preprocess;\n  builders: typeof publicBuilder;\n  print: typeof print;\n  traverse: typeof traverse;\n  Walker: typeof Walker;\n}\n\nconst syntax: Syntax = {\n  parse: preprocess,\n  builders: publicBuilder,\n  print,\n  traverse,\n  Walker,\n};\n\nclass CodemodEntityParser extends EntityParser {\n  // match upstream types, but never match an entity\n  constructor() {\n    super({});\n  }\n\n  parse(): string | undefined {\n    return undefined;\n  }\n}\n\nexport function preprocess(\n  input: string | Source | HBS.Program,\n  options: PreprocessOptions = {}\n): ASTv1.Template {\n  let mode = options.mode || 'precompile';\n\n  let source: Source;\n  let ast: HBS.Program;\n  if (typeof input === 'string') {\n    source = new Source(input, options.meta?.moduleName);\n\n    if (mode === 'codemod') {\n      ast = parseWithoutProcessing(input, options.parseOptions) as HBS.Program;\n    } else {\n      ast = parse(input, options.parseOptions) as HBS.Program;\n    }\n  } else if (input instanceof Source) {\n    source = input;\n\n    if (mode === 'codemod') {\n      ast = parseWithoutProcessing(input.source, options.parseOptions) as HBS.Program;\n    } else {\n      ast = parse(input.source, options.parseOptions) as HBS.Program;\n    }\n  } else {\n    source = new Source('', options.meta?.moduleName);\n    ast = input;\n  }\n\n  let entityParser = undefined;\n  if (mode === 'codemod') {\n    entityParser = new CodemodEntityParser();\n  }\n\n  let offsets = SourceSpan.forCharPositions(source, 0, source.source.length);\n  ast.loc = {\n    source: '(program)',\n    start: offsets.startPosition,\n    end: offsets.endPosition,\n  };\n\n  let program = new TokenizerEventHandlers(source, entityParser, mode).acceptTemplate(ast);\n\n  if (options.strictMode) {\n    program.blockParams = options.locals ?? [];\n  }\n\n  if (options && options.plugins && options.plugins.ast) {\n    for (let i = 0, l = options.plugins.ast.length; i < l; i++) {\n      let transform = options.plugins.ast[i];\n      let env: ASTPluginEnvironment = assign({}, options, { syntax }, { plugins: undefined });\n\n      let pluginResult = transform(env);\n\n      traverse(program, pluginResult.visitor);\n    }\n  }\n\n  return program;\n}\n"],"sourceRoot":""}