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{"version":3,"names":["_t","require","_parser","_codeFrame","isCallExpression","isExpressionStatement","isFunction","isIdentifier","isJSXIdentifier","isNewExpression","isPlaceholder","isStatement","isStringLiteral","removePropertiesDeep","traverse","PATTERN","parseAndBuildMetadata","formatter","code","opts","placeholderWhitelist","placeholderPattern","preserveComments","syntacticPlaceholders","ast","parseWithCodeFrame","parser","validate","state","syntactic","placeholders","placeholderNames","Set","legacy","placeholderVisitorHandler","Object","assign","length","node","ancestors","_state$placeholderWhi","name","hasSyntacticPlaceholders","Error","value","test","has","slice","parent","key","type","expectedNode","push","resolve","resolveAncestors","isDuplicate","add","i","index","undefined","parserOpts","plugins","allowReturnOutsideFunction","allowSuperOutsideMethod","sourceType","parse","err","loc","message","codeFrameColumns","start"],"sources":["../src/parse.ts"],"sourcesContent":["import {\n  isCallExpression,\n  isExpressionStatement,\n  isFunction,\n  isIdentifier,\n  isJSXIdentifier,\n  isNewExpression,\n  isPlaceholder,\n  isStatement,\n  isStringLiteral,\n  removePropertiesDeep,\n  traverse,\n} from \"@babel/types\";\nimport type * as t from \"@babel/types\";\nimport type { TraversalAncestors } from \"@babel/types\";\nimport { parse } from \"@babel/parser\";\nimport { codeFrameColumns } from \"@babel/code-frame\";\nimport type { TemplateOpts, ParserOpts } from \"./options.ts\";\nimport type { Formatter } from \"./formatters.ts\";\n\nexport type Metadata = {\n  ast: t.File;\n  placeholders: Array<Placeholder>;\n  placeholderNames: Set<string>;\n};\n\ntype PlaceholderType = \"string\" | \"param\" | \"statement\" | \"other\";\nexport type Placeholder = {\n  name: string;\n  resolve: (a: t.File) => { parent: t.Node; key: string; index?: number };\n  type: PlaceholderType;\n  isDuplicate: boolean;\n};\n\nconst PATTERN = /^[_$A-Z0-9]+$/;\n\nexport default function parseAndBuildMetadata<T>(\n  formatter: Formatter<T>,\n  code: string,\n  opts: TemplateOpts,\n): Metadata {\n  const {\n    placeholderWhitelist,\n    placeholderPattern,\n    preserveComments,\n    syntacticPlaceholders,\n  } = opts;\n\n  const ast = parseWithCodeFrame(code, opts.parser, syntacticPlaceholders);\n\n  removePropertiesDeep(ast, {\n    preserveComments,\n  });\n\n  formatter.validate(ast);\n\n  const state: MetadataState = {\n    syntactic: { placeholders: [], placeholderNames: new Set() },\n    legacy: { placeholders: [], placeholderNames: new Set() },\n    placeholderWhitelist,\n    placeholderPattern,\n    syntacticPlaceholders,\n  };\n\n  traverse(ast, placeholderVisitorHandler, state);\n\n  return {\n    ast,\n    ...(state.syntactic.placeholders.length ? state.syntactic : state.legacy),\n  };\n}\n\nfunction placeholderVisitorHandler(\n  node: t.Node,\n  ancestors: TraversalAncestors,\n  state: MetadataState,\n) {\n  let name: string;\n\n  let hasSyntacticPlaceholders = state.syntactic.placeholders.length > 0;\n\n  if (isPlaceholder(node)) {\n    if (state.syntacticPlaceholders === false) {\n      throw new Error(\n        \"%%foo%%-style placeholders can't be used when \" +\n          \"'.syntacticPlaceholders' is false.\",\n      );\n    }\n    name = node.name.name;\n    hasSyntacticPlaceholders = true;\n  } else if (hasSyntacticPlaceholders || state.syntacticPlaceholders) {\n    return;\n  } else if (isIdentifier(node) || isJSXIdentifier(node)) {\n    name = node.name;\n  } else if (isStringLiteral(node)) {\n    name = node.value;\n  } else {\n    return;\n  }\n\n  if (\n    hasSyntacticPlaceholders &&\n    (state.placeholderPattern != null || state.placeholderWhitelist != null)\n  ) {\n    // This check is also in options.js. We need it there to handle the default\n    // .syntacticPlaceholders behavior.\n    throw new Error(\n      \"'.placeholderWhitelist' and '.placeholderPattern' aren't compatible\" +\n        \" with '.syntacticPlaceholders: true'\",\n    );\n  }\n\n  if (\n    !hasSyntacticPlaceholders &&\n    (state.placeholderPattern === false ||\n      !(state.placeholderPattern || PATTERN).test(name)) &&\n    !state.placeholderWhitelist?.has(name)\n  ) {\n    return;\n  }\n\n  // Keep our own copy of the ancestors so we can use it in .resolve().\n  ancestors = ancestors.slice();\n\n  const { node: parent, key } = ancestors[ancestors.length - 1];\n\n  let type: PlaceholderType;\n  if (\n    isStringLiteral(node) ||\n    isPlaceholder(node, { expectedNode: \"StringLiteral\" })\n  ) {\n    type = \"string\";\n  } else if (\n    (isNewExpression(parent) && key === \"arguments\") ||\n    (isCallExpression(parent) && key === \"arguments\") ||\n    (isFunction(parent) && key === \"params\")\n  ) {\n    type = \"param\";\n  } else if (isExpressionStatement(parent) && !isPlaceholder(node)) {\n    type = \"statement\";\n    ancestors = ancestors.slice(0, -1);\n  } else if (isStatement(node) && isPlaceholder(node)) {\n    type = \"statement\";\n  } else {\n    type = \"other\";\n  }\n\n  const { placeholders, placeholderNames } = !hasSyntacticPlaceholders\n    ? state.legacy\n    : state.syntactic;\n\n  placeholders.push({\n    name,\n    type,\n    resolve: ast => resolveAncestors(ast, ancestors),\n    isDuplicate: placeholderNames.has(name),\n  });\n  placeholderNames.add(name);\n}\n\nfunction resolveAncestors(ast: t.File, ancestors: TraversalAncestors) {\n  let parent: t.Node = ast;\n  for (let i = 0; i < ancestors.length - 1; i++) {\n    const { key, index } = ancestors[i];\n\n    if (index === undefined) {\n      parent = (parent as any)[key];\n    } else {\n      parent = (parent as any)[key][index];\n    }\n  }\n\n  const { key, index } = ancestors[ancestors.length - 1];\n\n  return { parent, key, index };\n}\n\ntype MetadataState = {\n  syntactic: {\n    placeholders: Array<Placeholder>;\n    placeholderNames: Set<string>;\n  };\n  legacy: {\n    placeholders: Array<Placeholder>;\n    placeholderNames: Set<string>;\n  };\n  placeholderWhitelist?: Set<string>;\n  placeholderPattern?: RegExp | false;\n  syntacticPlaceholders?: boolean;\n};\n\nfunction parseWithCodeFrame(\n  code: string,\n  parserOpts: ParserOpts,\n  syntacticPlaceholders?: boolean,\n): t.File {\n  const plugins = (parserOpts.plugins || []).slice();\n  if (syntacticPlaceholders !== false) {\n    plugins.push(\"placeholders\");\n  }\n\n  parserOpts = {\n    allowReturnOutsideFunction: true,\n    allowSuperOutsideMethod: true,\n    sourceType: \"module\",\n    ...parserOpts,\n    plugins,\n  };\n\n  try {\n    // @ts-expect-error todo: use babel-types ast typings in Babel parser\n    return parse(code, parserOpts);\n  } catch (err) {\n    const loc = err.loc;\n    if (loc) {\n      err.message += \"\\n\" + codeFrameColumns(code, { start: loc });\n      err.code = \"BABEL_TEMPLATE_PARSE_ERROR\";\n    }\n    throw err;\n  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