1 files changed, 116 insertions, 0 deletions
diff --git a/node_modules/@babel/helper-create-regexp-features-plugin/lib/index.js b/node_modules/@babel/helper-create-regexp-features-plugin/lib/index.js
new file mode 100644
index 00000000..f07e22b3
--- /dev/null
+++ b/node_modules/@babel/helper-create-regexp-features-plugin/lib/index.js
@@ -0,0 +1,116 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+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.js");
+var _util = require("./util.js");
+const versionKey = "@babel/plugin-regexp-features/version";
+function createRegExpFeaturePlugin({
+  name,
+  feature,
+  options = {},
+  manipulateOptions = () => {}
+}) {
+  return {
+    name,
+    manipulateOptions,
+    pre() {
+      var _file$get;
+      const {
+        file
+      } = this;
+      const features = (_file$get = file.get(_features.featuresKey)) != null ? _file$get : 0;
+      let newFeatures = (0, _features.enableFeature)(features, _features.FEATURES[feature]);
+      const {
+        useUnicodeFlag,
+        runtime
+      } = options;
+      if (useUnicodeFlag === false) {
+        newFeatures = (0, _features.enableFeature)(newFeatures, _features.FEATURES.unicodeFlag);
+      }
+      if (newFeatures !== features) {
+        file.set(_features.featuresKey, newFeatures);
+      }
+      if (runtime !== undefined) {
+        if (file.has(_features.runtimeKey) && file.get(_features.runtimeKey) !== runtime && (0, _features.hasFeature)(newFeatures, _features.FEATURES.duplicateNamedCaptureGroups)) {
+          throw new Error(`The 'runtime' option must be the same for ` + `'@babel/plugin-transform-named-capturing-groups-regex' and ` + `'@babel/plugin-proposal-duplicate-named-capturing-groups-regex'.`);
+        }
+        if (feature === "namedCaptureGroups") {
+          if (!runtime || !file.has(_features.runtimeKey)) file.set(_features.runtimeKey, runtime);
+        } else {
+          file.set(_features.runtimeKey, runtime);
+        }
+      }
+      {
+        if (typeof file.get(versionKey) === "number") {
+          file.set(versionKey, "7.22.15");
+          return;
+        }
+      }
+      if (!file.get(versionKey) || _semver.lt(file.get(versionKey), "7.22.15")) {
+        file.set(versionKey, "7.22.15");
+      }
+    },
+    visitor: {
+      RegExpLiteral(path) {
+        var _file$get2, _newFlags;
+        const {
+          node
+        } = path;
+        const {
+          file
+        } = 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)) {
+          return;
+        }
+        const namedCaptureGroups = {
+          __proto__: null
+        };
+        if (regexpuOptions.namedGroups === "transform") {
+          regexpuOptions.onNamedGroup = (name, index) => {
+            const prev = namedCaptureGroups[name];
+            if (typeof prev === "number") {
+              namedCaptureGroups[name] = [prev, index];
+            } else if (Array.isArray(prev)) {
+              prev.push(index);
+            } else {
+              namedCaptureGroups[name] = index;
+            }
+          };
+        }
+        let newFlags;
+        if (regexpuOptions.modifiers === "transform") {
+          regexpuOptions.onNewFlags = flags => {
+            newFlags = flags;
+          };
+        }
+        node.pattern = _regexpuCore(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);
+          path.replaceWith(call);
+        }
+        node.flags = (0, _util.transformFlags)(regexpuOptions, (_newFlags = newFlags) != null ? _newFlags : node.flags);
+      }
+    }
+  };
+}
+function isRegExpTest(path) {
+  return path.parentPath.isMemberExpression({
+    object: path.node,
+    computed: false
+  }) && path.parentPath.get("property").isIdentifier({
+    name: "test"
+  });
+}
+
+//# sourceMappingURL=index.js.map