{"version":3,"names":["file","traverseFast","debug","buildDebug","LARGE_INPUT_SOURCEMAP_THRESHOLD","INLINE_SOURCEMAP_REGEX","EXTERNAL_SOURCEMAP_REGEX","normalizeFile","pluginPasses","options","code","ast","type","Error","cloneInputAst","cloneDeep","parser","inputMap","inputSourceMap","convertSourceMap","fromObject","lastComment","extractComments","fromComment","err","filename","match","exec","inputMapContent","fs","readFileSync","path","resolve","dirname","length","fromJSON","File","extractCommentsFromList","regex","comments","filter","value","test","node","leadingComments","innerComments","trailingComments"],"sources":["../../src/transformation/normalize-file.ts"],"sourcesContent":["import fs from \"fs\";\nimport path from \"path\";\nimport buildDebug from \"debug\";\nimport type { Handler } from \"gensync\";\nimport { file, traverseFast } from \"@babel/types\";\nimport type * as t from \"@babel/types\";\nimport type { PluginPasses } from \"../config\";\nimport convertSourceMap from 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catch (err) {\n          debug(\"discarding unknown inline input sourcemap\", err);\n        }\n      }\n    }\n\n    if (!inputMap) {\n      const lastComment = extractComments(EXTERNAL_SOURCEMAP_REGEX, ast);\n      if (typeof options.filename === \"string\" && lastComment) {\n        try {\n          // when `lastComment` is non-null, EXTERNAL_SOURCEMAP_REGEX must have matches\n          const match: [string, string] = EXTERNAL_SOURCEMAP_REGEX.exec(\n            lastComment,\n          ) as any;\n          const inputMapContent = fs.readFileSync(\n            path.resolve(path.dirname(options.filename), match[1]),\n          );\n          if (inputMapContent.length > LARGE_INPUT_SOURCEMAP_THRESHOLD) {\n            debug(\"skip merging input map > 1 MB\");\n          } else {\n            inputMap = convertSourceMap.fromJSON(\n              // todo:\n              inputMapContent as unknown as string,\n            );\n          }\n        } catch (err) {\n          debug(\"discarding unknown file input sourcemap\", err);\n        }\n      } else if (lastComment) {\n        debug(\"discarding un-loadable file input sourcemap\");\n      }\n    }\n  }\n\n  return new File(options, {\n    code,\n    ast: ast as t.File,\n    inputMap,\n  });\n}\n\nfunction extractCommentsFromList(\n  regex: RegExp,\n  comments: t.Comment[],\n  lastComment: string | null,\n): [t.Comment[], string | null] {\n  if (comments) {\n    comments = comments.filter(({ value }) => {\n      if (regex.test(value)) {\n        lastComment = value;\n        return false;\n      }\n      return true;\n    });\n  }\n  return [comments, lastComment];\n}\n\nfunction extractComments(regex: RegExp, ast: t.Node) {\n  let lastComment: string = null;\n  traverseFast(ast, node => {\n    [node.leadingComments, lastComment] = extractCommentsFromList(\n      regex,\n      node.leadingComments,\n      lastComment,\n    );\n    [node.innerComments, lastComment] = extractCommentsFromList(\n      regex,\n      node.innerComments,\n      lastComment,\n    );\n    [node.trailingComments, lastComment] = extractCommentsFromList(\n      regex,\n      node.trailingComments,\n      lastComment,\n    );\n  });\n  return 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