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