hexo/node_modules/@babel/helper-create-regexp-features-plugin/lib/index.js.map

{"version":3,"names":["_regexpuCore","require","_features","_util","_core","_helperAnnotateAsPure","version","split","reduce","v","x","versionKey","createRegExpFeaturePlugin","name","feature","options","manipulateOptions","pre","_file$get","file","features","get","featuresKey","newFeatures","enableFeature","FEATURES","useUnicodeFlag","runtime","unicodeFlag","set","undefined","has","runtimeKey","hasFeature","duplicateNamedCaptureGroups","Error","visitor","RegExpLiteral","path","_file$get2","_newFlags","node","regexpuOptions","generateRegexpuOptions","pattern","canSkipRegexpu","namedCaptureGroups","__proto__","namedGroups","onNamedGroup","index","prev","Array","isArray","push","newFlags","modifiers","onNewFlags","flags","rewritePattern","Object","keys","length","isRegExpTest","call","t","callExpression","addHelper","valueToNode","annotateAsPure","replaceWith","transformFlags","parentPath","isMemberExpression","object","computed","isIdentifier"],"sources":["../src/index.ts"],"sourcesContent":["import rewritePattern from \"regexpu-core\";\nimport {\n  featuresKey,\n  FEATURES,\n  enableFeature,\n  runtimeKey,\n  hasFeature,\n} from \"./features\";\nimport { generateRegexpuOptions, canSkipRegexpu, transformFlags } from \"./util\";\nimport type { NodePath } from \"@babel/traverse\";\n\nimport { types as t } from \"@babel/core\";\nimport type { PluginObject } from \"@babel/core\";\nimport annotateAsPure from \"@babel/helper-annotate-as-pure\";\n\ndeclare const PACKAGE_JSON: { name: string; version: string };\n\n// Note: Versions are represented as an integer. e.g. 7.1.5 is represented\n//       as 70000100005. This method is easier than using a semver-parsing\n//       package, but it breaks if we release x.y.z where x, y or z are\n//       greater than 99_999.\nconst version = PACKAGE_JSON.version\n  .split(\".\")\n  .reduce((v, x) => v * 1e5 + +x, 0);\nconst versionKey = \"@babel/plugin-regexp-features/version\";\n\nexport interface Options {\n  name: string;\n  feature: keyof typeof FEATURES;\n  options?: {\n    useUnicodeFlag?: boolean;\n    runtime?: boolean;\n  };\n  manipulateOptions?: PluginObject[\"manipulateOptions\"];\n}\n\nexport function createRegExpFeaturePlugin({\n  name,\n  feature,\n  options = {},\n  manipulateOptions = () => {},\n}: Options): PluginObject {\n  return {\n    name,\n\n    manipulateOptions,\n\n    pre() {\n      const { file } = this;\n      const features = file.get(featuresKey) ?? 0;\n      let newFeatures = enableFeature(features, FEATURES[feature]);\n\n      const { useUnicodeFlag, runtime } = options;\n      if (useUnicodeFlag === false) {\n        newFeatures = enableFeature(newFeatures, FEATURES.unicodeFlag);\n      }\n      if (newFeatures !== features) {\n        file.set(featuresKey, newFeatures);\n      }\n\n      if (runtime !== undefined) {\n        if (\n          file.has(runtimeKey) &&\n          file.get(runtimeKey) !== runtime &&\n          // TODO(Babel 8): Remove this check. It's necessary because in Babel 7\n          // we allow multiple copies of transform-named-capturing-groups-regex\n          // with conflicting 'runtime' options.\n          hasFeature(newFeatures, FEATURES.duplicateNamedCaptureGroups)\n        ) {\n          throw new Error(\n            `The 'runtime' option must be the same for ` +\n              `'@babel/plugin-transform-named-capturing-groups-regex' and ` +\n              `'@babel/plugin-proposal-duplicate-named-capturing-groups-regex'.`,\n          );\n        }\n        // TODO(Babel 8): Remove this check and always set it.\n        // It's necessary because in Babel 7 we allow multiple copies of\n        // transform-named-capturing-groups-regex with conflicting 'runtime' options.\n        if (feature === \"namedCaptureGroups\") {\n          if (!runtime || !file.has(runtimeKey)) file.set(runtimeKey, runtime);\n        } else {\n          file.set(runtimeKey, runtime);\n        }\n      }\n\n      if (!file.has(versionKey) || file.get(versionKey) < version) {\n        file.set(versionKey, version);\n      }\n    },\n\n    visitor: {\n      RegExpLiteral(path) {\n        const { node } = path;\n        const { file } = this;\n        const features = file.get(featuresKey);\n        const runtime = file.get(runtimeKey) ?? true;\n\n        const regexpuOptions = generateRegexpuOptions(node.pattern, features);\n        if (canSkipRegexpu(node, regexpuOptions)) {\n          return;\n        }\n\n        const namedCaptureGroups: Record<string, number | number[]> = {\n          __proto__: null,\n        };\n        if (regexpuOptions.namedGroups === \"transform\") {\n          regexpuOptions.onNamedGroup = (name, index) => {\n            const prev = namedCaptureGroups[name];\n            if (typeof prev === \"number\") {\n              namedCaptureGroups[name] = [prev, index];\n            } else if (Array.isArray(prev)) {\n              prev.push(index);\n            } else {\n              namedCaptureGroups[name] = index;\n            }\n          };\n        }\n\n        let newFlags;\n        if (regexpuOptions.modifiers === \"transform\") {\n          regexpuOptions.onNewFlags = flags => {\n            newFlags = flags;\n          };\n        }\n\n        node.pattern = rewritePattern(node.pattern, node.flags, regexpuOptions);\n\n        if (\n          regexpuOptions.namedGroups === \"transform\" &&\n          Object.keys(namedCaptureGroups).length > 0 &&\n          runtime &&\n          !isRegExpTest(path)\n        ) {\n          const call = t.callExpression(this.addHelper(\"wrapRegExp\"), [\n            node,\n            t.valueToNode(namedCaptureGroups),\n          ]);\n          annotateAsPure(call);\n\n          path.replaceWith(call);\n        }\n\n        node.flags = transformFlags(regexpuOptions, newFlags ?? 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