travel/admin/node_modules/@babel/helper-create-regexp-featur.../lib/index.js

117 lines
4.1 KiB
JavaScript

"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$get : 0;
let newFeatures = (0, _features.enableFeature)(features, _features.FEATURES[feature]);
const {
useUnicodeFlag,
runtime
} = options;
if (useUnicodeFlag === false) {
newFeatures = (0, _features.enableFeature)(newFeatures, _features.FEATURES.unicodeFlag);
}
if (newFeatures !== features) {
file.set(_features.featuresKey, newFeatures);
}
if (runtime !== undefined) {
if (file.has(_features.runtimeKey) && file.get(_features.runtimeKey) !== runtime && (0, _features.hasFeature)(newFeatures, _features.FEATURES.duplicateNamedCaptureGroups)) {
throw new Error(`The 'runtime' option must be the same for ` + `'@babel/plugin-transform-named-capturing-groups-regex' and ` + `'@babel/plugin-proposal-duplicate-named-capturing-groups-regex'.`);
}
if (feature === "namedCaptureGroups") {
if (!runtime || !file.has(_features.runtimeKey)) file.set(_features.runtimeKey, runtime);
} else {
file.set(_features.runtimeKey, runtime);
}
}
{
if (typeof file.get(versionKey) === "number") {
file.set(versionKey, "7.24.7");
return;
}
}
if (!file.get(versionKey) || _semver.lt(file.get(versionKey), "7.24.7")) {
file.set(versionKey, "7.24.7");
}
},
visitor: {
RegExpLiteral(path) {
var _file$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"
});
}
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