@babel/helper-create-regexp-features-plugin - npm Package Compare versions

Comparing version 7.22.9 to 8.0.0-alpha.0

lib/features.js

@@ -1,12 +0,2 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.FEATURES = void 0;
-exports.enableFeature = enableFeature;
-exports.featuresKey = void 0;
-exports.hasFeature = hasFeature;
-exports.runtimeKey = void 0;
-const FEATURES = Object.freeze({
+export const FEATURES = Object.freeze({
   unicodeFlag: 1 << 0,
@@ -21,11 +11,8 @@ dotAllFlag: 1 << 1,
 });
-exports.FEATURES = FEATURES;
-const featuresKey = "@babel/plugin-regexp-features/featuresKey";
-exports.featuresKey = featuresKey;
-const runtimeKey = "@babel/plugin-regexp-features/runtimeKey";
-exports.runtimeKey = runtimeKey;
-function enableFeature(features, feature) {
+export const featuresKey = "@babel/plugin-regexp-features/featuresKey";
+export const runtimeKey = "@babel/plugin-regexp-features/runtimeKey";
+export function enableFeature(features, feature) {
   return features | feature;
 }
-function hasFeature(features, feature) {
+export function hasFeature(features, feature) {
   return !!(features & feature);
@@ -32,0 +19,0 @@ }

lib/index.js

@@ -1,13 +0,86 @@
-"use strict";
+import rewritePattern from 'regexpu-core';
+import { types } from '@babel/core';
+import annotateAsPure from '@babel/helper-annotate-as-pure';
+import semver from 'semver';
 
-Object.defineProperty(exports, "__esModule", {
-  value: true
+const FEATURES = Object.freeze({
+  unicodeFlag: 1 << 0,
+  dotAllFlag: 1 << 1,
+  unicodePropertyEscape: 1 << 2,
+  namedCaptureGroups: 1 << 3,
+  unicodeSetsFlag_syntax: 1 << 4,
+  unicodeSetsFlag: 1 << 5,
+  duplicateNamedCaptureGroups: 1 << 6,
+  modifiers: 1 << 7
 });
-exports.createRegExpFeaturePlugin = createRegExpFeaturePlugin;
-var _regexpuCore = require("regexpu-core");
-var _core = require("@babel/core");
-var _helperAnnotateAsPure = require("@babel/helper-annotate-as-pure");
-var _semver = require("semver");
-var _features = require("./features");
-var _util = require("./util");
+const featuresKey = "@babel/plugin-regexp-features/featuresKey";
+const runtimeKey = "@babel/plugin-regexp-features/runtimeKey";
+function enableFeature(features, feature) {
+  return features | feature;
+}
+function hasFeature(features, feature) {
+  return !!(features & feature);
+}
+
+function generateRegexpuOptions(pattern, toTransform) {
+  const feat = (name, ok = "transform") => {
+    return hasFeature(toTransform, FEATURES[name]) ? ok : false;
+  };
+  const featDuplicateNamedGroups = () => {
+    if (!feat("duplicateNamedCaptureGroups")) return false;
+    const regex = /\(\?<([^>]+)>/g;
+    const seen = new Set();
+    for (let match; match = regex.exec(pattern); seen.add(match[1])) {
+      if (seen.has(match[1])) return "transform";
+    }
+    return false;
+  };
+  return {
+    unicodeFlag: feat("unicodeFlag"),
+    unicodeSetsFlag: feat("unicodeSetsFlag") || "parse",
+    dotAllFlag: feat("dotAllFlag"),
+    unicodePropertyEscapes: feat("unicodePropertyEscape"),
+    namedGroups: feat("namedCaptureGroups") || featDuplicateNamedGroups(),
+    onNamedGroup: () => {},
+    modifiers: feat("modifiers")
+  };
+}
+function canSkipRegexpu(node, options) {
+  const {
+    flags,
+    pattern
+  } = node;
+  if (flags.includes("v")) {
+    if (options.unicodeSetsFlag === "transform") return false;
+  }
+  if (flags.includes("u")) {
+    if (options.unicodeFlag === "transform") return false;
+    if (options.unicodePropertyEscapes === "transform" && /\\[pP]{/.test(pattern)) {
+      return false;
+    }
+  }
+  if (flags.includes("s")) {
+    if (options.dotAllFlag === "transform") return false;
+  }
+  if (options.namedGroups === "transform" && /\(\?<(?![=!])/.test(pattern)) {
+    return false;
+  }
+  if (options.modifiers === "transform" && /\(\?[\w-]+:/.test(pattern)) {
+    return false;
+  }
+  return true;
+}
+function transformFlags(regexpuOptions, flags) {
+  if (regexpuOptions.unicodeSetsFlag === "transform") {
+    flags = flags.replace("v", "u");
+  }
+  if (regexpuOptions.unicodeFlag === "transform") {
+    flags = flags.replace("u", "");
+  }
+  if (regexpuOptions.dotAllFlag === "transform") {
+    flags = flags.replace("s", "");
+  }
+  return flags;
+}
+
 const versionKey = "@babel/plugin-regexp-features/version";
@@ -24,8 +97,7 @@ function createRegExpFeaturePlugin({
     pre() {
-      var _file$get;
       const {
         file
       } = this;
-      const features = (_file$get = file.get(_features.featuresKey)) != null ? _file$get : 0;
-      let newFeatures = (0, _features.enableFeature)(features, _features.FEATURES[feature]);
+      const features = file.get(featuresKey) ?? 0;
+      let newFeatures = enableFeature(features, FEATURES[feature]);
       const {
@@ -36,30 +108,21 @@ useUnicodeFlag,
       if (useUnicodeFlag === false) {
-        newFeatures = (0, _features.enableFeature)(newFeatures, _features.FEATURES.unicodeFlag);
+        newFeatures = enableFeature(newFeatures, FEATURES.unicodeFlag);
       }
       if (newFeatures !== features) {
-        file.set(_features.featuresKey, newFeatures);
+        file.set(featuresKey, newFeatures);
       }
       if (runtime !== undefined) {
-        if (file.has(_features.runtimeKey) && file.get(_features.runtimeKey) !== runtime && (0, _features.hasFeature)(newFeatures, _features.FEATURES.duplicateNamedCaptureGroups)) {
+        if (file.has(runtimeKey) && file.get(runtimeKey) !== runtime && true) {
           throw new Error(`The 'runtime' option must be the same for ` + `'@babel/plugin-transform-named-capturing-groups-regex' and ` + `'@babel/plugin-proposal-duplicate-named-capturing-groups-regex'.`);
         }
-        if (feature === "namedCaptureGroups") {
-          if (!runtime || !file.has(_features.runtimeKey)) file.set(_features.runtimeKey, runtime);
-        } else {
-          file.set(_features.runtimeKey, runtime);
+        {
+          file.set(runtimeKey, runtime);
         }
       }
-      {
-        if (typeof file.get(versionKey) === "number") {
-          file.set(versionKey, "7.22.9");
-          return;
-        }
+      if (!file.get(versionKey) || semver.lt(file.get(versionKey), "8.0.0-alpha.0")) {
+        file.set(versionKey, "8.0.0-alpha.0");
       }
-      if (!file.get(versionKey) || _semver.lt(file.get(versionKey), "7.22.9")) {
-        file.set(versionKey, "7.22.9");
-      }
     },
     visitor: {
       RegExpLiteral(path) {
-        var _file$get2, _newFlags;
         const {
@@ -71,6 +134,6 @@ node
         } = this;
-        const features = file.get(_features.featuresKey);
-        const runtime = (_file$get2 = file.get(_features.runtimeKey)) != null ? _file$get2 : true;
-        const regexpuOptions = (0, _util.generateRegexpuOptions)(node.pattern, features);
-        if ((0, _util.canSkipRegexpu)(node, regexpuOptions)) {
+        const features = file.get(featuresKey);
+        const runtime = file.get(runtimeKey) ?? true;
+        const regexpuOptions = generateRegexpuOptions(node.pattern, features);
+        if (canSkipRegexpu(node, regexpuOptions)) {
           return;
@@ -99,9 +162,9 @@ }
         }
-        node.pattern = _regexpuCore(node.pattern, node.flags, regexpuOptions);
+        node.pattern = rewritePattern(node.pattern, node.flags, regexpuOptions);
         if (regexpuOptions.namedGroups === "transform" && Object.keys(namedCaptureGroups).length > 0 && runtime && !isRegExpTest(path)) {
-          const call = _core.types.callExpression(this.addHelper("wrapRegExp"), [node, _core.types.valueToNode(namedCaptureGroups)]);
-          (0, _helperAnnotateAsPure.default)(call);
+          const call = types.callExpression(this.addHelper("wrapRegExp"), [node, types.valueToNode(namedCaptureGroups)]);
+          annotateAsPure(call);
           path.replaceWith(call);
         }
-        node.flags = (0, _util.transformFlags)(regexpuOptions, (_newFlags = newFlags) != null ? _newFlags : node.flags);
+        node.flags = transformFlags(regexpuOptions, newFlags ?? node.flags);
       }
@@ -120,2 +183,3 @@ }
 
+export { createRegExpFeaturePlugin };
 //# sourceMappingURL=index.js.map

lib/util.js

@@ -1,13 +0,5 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
-  value: true
-});
-exports.canSkipRegexpu = canSkipRegexpu;
-exports.generateRegexpuOptions = generateRegexpuOptions;
-exports.transformFlags = transformFlags;
-var _features = require("./features");
-function generateRegexpuOptions(pattern, toTransform) {
+import { FEATURES, hasFeature } from "./features.js";
+export function generateRegexpuOptions(pattern, toTransform) {
   const feat = (name, ok = "transform") => {
-    return (0, _features.hasFeature)(toTransform, _features.FEATURES[name]) ? ok : false;
+    return hasFeature(toTransform, FEATURES[name]) ? ok : false;
   };
@@ -33,3 +25,3 @@ const featDuplicateNamedGroups = () => {
 }
-function canSkipRegexpu(node, options) {
+export function canSkipRegexpu(node, options) {
   const {
@@ -59,3 +51,3 @@ flags,
 }
-function transformFlags(regexpuOptions, flags) {
+export function transformFlags(regexpuOptions, flags) {
   if (regexpuOptions.unicodeSetsFlag === "transform") {
@@ -62,0 +54,0 @@ flags = flags.replace("v", "u");

package.json

 {
   "name": "@babel/helper-create-regexp-features-plugin",
-  "version": "7.22.9",
+  "version": "8.0.0-alpha.0",
   "author": "The Babel Team (https://babel.dev/team)",
@@ -21,17 +21,21 @@ "license": "MIT",
   "dependencies": {
-    "@babel/helper-annotate-as-pure": "^7.22.5",
+    "@babel/helper-annotate-as-pure": "^8.0.0-alpha.0",
     "regexpu-core": "^5.3.1",
-    "semver": "^6.3.1"
+    "semver": "^7.3.4"
   },
   "peerDependencies": {
-    "@babel/core": "^7.0.0"
+    "@babel/core": "^8.0.0-alpha.0"
   },
   "devDependencies": {
-    "@babel/core": "^7.22.9",
-    "@babel/helper-plugin-test-runner": "^7.22.5"
+    "@babel/core": "^8.0.0-alpha.0",
+    "@babel/helper-plugin-test-runner": "^8.0.0-alpha.0"
   },
   "engines": {
-    "node": ">=6.9.0"
+    "node": "^16.20.0 || ^18.16.0 || >=20.0.0"
   },
-  "type": "commonjs"
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  },
+  "type": "module"
 }

New alerts

No v1

Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

34827

29.1%

Lines of code

257

20.09%

Is type module

Yes

NaN

Worsened metrics

Number of low quality alerts

2

100%

Dependency changes

• + Added

  @babel/code-frame@8.0.0-beta.1
  (transitive)

• + Added

  @babel/compat-data@8.0.0-beta.1
  (transitive)

• + Added

  @babel/core@8.0.0-beta.1
  (transitive)

• + Added

  @babel/generator@8.0.0-beta.1
  (transitive)

• + Added

  @babel/helper-annotate-as-pure@8.0.0-beta.1
  (transitive)

• + Added

  @babel/helper-compilation-targets@8.0.0-beta.1
  (transitive)

• + Added

  @babel/helper-globals@8.0.0-beta.1
  (transitive)

• + Added

  @babel/helper-string-parser@8.0.0-beta.1
  (transitive)

• + Added

  @babel/helper-validator-identifier@8.0.0-beta.1
  (transitive)

• + Added

  @babel/helper-validator-option@8.0.0-beta.1
  (transitive)

• + Added

  @babel/helpers@8.0.0-beta.1
  (transitive)

• + Added

  @babel/parser@8.0.0-beta.1
  (transitive)

• + Added

  @babel/template@8.0.0-beta.1
  (transitive)

• + Added

  @babel/traverse@8.0.0-beta.1
  (transitive)

• + Added

  @babel/types@8.0.0-beta.1
  (transitive)

• + Added

  @types/gensync@1.0.4
  (transitive)

• + Added

  js-tokens@8.0.3
  (transitive)

• + Added

  lru-cache@7.18.3
  (transitive)

• + Added

  semver@7.7.2
  (transitive)

• - Removed

  @babel/code-frame@7.27.1
  (transitive)

• - Removed

  @babel/compat-data@7.28.0
  (transitive)

• - Removed

  @babel/core@7.28.0
  (transitive)

• - Removed

  @babel/generator@7.28.0
  (transitive)

• - Removed

  @babel/helper-annotate-as-pure@7.27.3
  (transitive)

• - Removed

  @babel/helper-compilation-targets@7.27.2
  (transitive)

• - Removed

  @babel/helper-globals@7.28.0
  (transitive)

• - Removed

  @babel/helper-module-imports@7.27.1
  (transitive)

• - Removed

  @babel/helper-module-transforms@7.27.3
  (transitive)

• - Removed

  @babel/helper-string-parser@7.27.1
  (transitive)

• - Removed

  @babel/helper-validator-identifier@7.27.1
  (transitive)

• - Removed

  @babel/helper-validator-option@7.27.1
  (transitive)

• - Removed

  @babel/helpers@7.27.6
  (transitive)

• - Removed

  @babel/parser@7.28.0
  (transitive)

• - Removed

  @babel/template@7.27.2
  (transitive)

• - Removed

  @babel/traverse@7.28.0
  (transitive)

• - Removed

  @babel/types@7.28.1
  (transitive)

• - Removed

  js-tokens@4.0.0
  (transitive)

• - Removed

  lru-cache@5.1.1
  (transitive)

• - Removed

  semver@6.3.1
  (transitive)

• - Removed

  yallist@3.1.1
  (transitive)

• Updated

  @babel/helper-annotate-as-pure@^8.0.0-alpha.0

• Updated

  semver@^7.3.4