|
|
- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.createRegExpFeaturePlugin = createRegExpFeaturePlugin;
-
- var _regexpuCore = _interopRequireDefault(require("regexpu-core"));
-
- var _features = require("./features");
-
- var _util = require("./util");
-
- var _package = _interopRequireDefault(require("../package.json"));
-
- var _core = require("@babel/core");
-
- var _helperRegex = require("@babel/helper-regex");
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- const version = _package.default.version.split(".").reduce((v, x) => v * 1e5 + +x, 0);
-
- const versionKey = "@babel/plugin-regexp-features/version";
-
- function createRegExpFeaturePlugin({
- name,
- feature,
- options = {}
- }) {
- return {
- name,
-
- pre() {
- var _file$get;
-
- const {
- file
- } = this;
- const features = (_file$get = file.get(_features.featuresKey)) != null ? _file$get : 0;
- let newFeatures = (0, _features.enableFeature)(features, _features.FEATURES[feature]);
- const {
- useUnicodeFlag,
- runtime = true
- } = options;
-
- if (useUnicodeFlag === false) {
- newFeatures = (0, _features.enableFeature)(newFeatures, _features.FEATURES.unicodeFlag);
- }
-
- if (newFeatures !== features) {
- file.set(_features.featuresKey, newFeatures);
- }
-
- if (!runtime) {
- file.set(_features.runtimeKey, false);
- }
-
- if (!file.has(versionKey) || file.get(versionKey) < version) {
- file.set(versionKey, version);
- }
- },
-
- visitor: {
- RegExpLiteral(path) {
- var _file$get2;
-
- 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, features);
-
- if (regexpuOptions === null) {
- return;
- }
-
- const namedCaptureGroups = {};
-
- if (regexpuOptions.namedGroup) {
- regexpuOptions.onNamedGroup = (name, index) => {
- namedCaptureGroups[name] = index;
- };
- }
-
- node.pattern = (0, _regexpuCore.default)(node.pattern, node.flags, regexpuOptions);
-
- if (regexpuOptions.namedGroup && Object.keys(namedCaptureGroups).length > 0 && runtime && !isRegExpTest(path)) {
- path.replaceWith(_core.types.callExpression(this.addHelper("wrapRegExp"), [node, _core.types.valueToNode(namedCaptureGroups)]));
- }
-
- if ((0, _features.hasFeature)(features, _features.FEATURES.unicodeFlag)) {
- (0, _helperRegex.pullFlag)(node, "u");
- }
-
- if ((0, _features.hasFeature)(features, _features.FEATURES.dotAllFlag)) {
- (0, _helperRegex.pullFlag)(node, "s");
- }
- }
-
- }
- };
- }
-
- function isRegExpTest(path) {
- return path.parentPath.isMemberExpression({
- object: path.node,
- computed: false
- }) && path.parentPath.get("property").isIdentifier({
- name: "test"
- });
- }
|