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keksAccountGUI/node_modulesOLD/@babel/preset-env/lib/use-built-ins-entry-plugin.js
2019-08-11 20:48:02 +02:00

68 lines
No EOL
1.5 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _default;
var _debug = require("./debug");
var _utils = require("./utils");
function _default({
types: t
}) {
function replaceWithPolyfillImports(path, polyfills, regenerator) {
if (regenerator) {
(0, _utils.createImport)(path, "regenerator-runtime");
}
const items = Array.isArray(polyfills) ? new Set(polyfills) : polyfills;
for (const p of Array.from(items).reverse()) {
(0, _utils.createImport)(path, p);
}
path.remove();
}
const isPolyfillImport = {
ImportDeclaration(path, state) {
if (path.node.specifiers.length === 0 && (0, _utils.isPolyfillSource)(path.node.source.value)) {
this.importPolyfillIncluded = true;
replaceWithPolyfillImports(path, state.opts.polyfills, state.opts.regenerator);
}
},
Program(path, state) {
path.get("body").forEach(bodyPath => {
if ((0, _utils.isRequire)(t, bodyPath)) {
replaceWithPolyfillImports(bodyPath, state.opts.polyfills, state.opts.regenerator);
}
});
}
};
return {
name: "transform-polyfill-require",
visitor: isPolyfillImport,
pre() {
this.numPolyfillImports = 0;
this.importPolyfillIncluded = false;
},
post() {
const {
debug,
onDebug,
polyfills
} = this.opts;
if (debug) {
(0, _debug.logEntryPolyfills)(this.importPolyfillIncluded, polyfills, this.file.opts.filename, onDebug);
}
}
};
}