shift73k/assets_old/node_modules/@babel/helper-create-regexp-features-plugin/lib/index.js

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"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 _core = require("@babel/core");
var _helperAnnotateAsPure = _interopRequireDefault(require("@babel/helper-annotate-as-pure"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function pullFlag(node, flag) {
node.flags = node.flags.replace(flag, "");
}
const version = "7.12.17".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)) {
const call = _core.types.callExpression(this.addHelper("wrapRegExp"), [node, _core.types.valueToNode(namedCaptureGroups)]);
(0, _helperAnnotateAsPure.default)(call);
path.replaceWith(call);
}
if ((0, _features.hasFeature)(features, _features.FEATURES.unicodeFlag)) {
pullFlag(node, "u");
}
if ((0, _features.hasFeature)(features, _features.FEATURES.dotAllFlag)) {
pullFlag(node, "s");
}
}
}
};
}
function isRegExpTest(path) {
return path.parentPath.isMemberExpression({
object: path.node,
computed: false
}) && path.parentPath.get("property").isIdentifier({
name: "test"
});
}