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- ;
- const {
- getImportSource,
- getRequireSource
- } = require("./utils.cjs");
- function isRegeneratorSource(source) {
- return source === "regenerator-runtime/runtime" || source === "regenerator-runtime/runtime.js";
- }
- module.exports = function () {
- const visitor = {
- ImportDeclaration(path) {
- if (isRegeneratorSource(getImportSource(path))) {
- this.regeneratorImportExcluded = true;
- path.remove();
- }
- },
- Program(path) {
- path.get("body").forEach(bodyPath => {
- if (isRegeneratorSource(getRequireSource(bodyPath))) {
- this.regeneratorImportExcluded = true;
- bodyPath.remove();
- }
- });
- }
- };
- return {
- name: "preset-env/remove-regenerator",
- visitor,
- pre() {
- this.regeneratorImportExcluded = false;
- },
- post() {
- if (this.opts.debug && this.regeneratorImportExcluded) {
- let filename = this.file.opts.filename;
- if (process.env.BABEL_ENV === "test") {
- filename = filename.replace(/\\/g, "/");
- }
- console.log(`\n[${filename}] Based on your targets, regenerator-runtime import excluded.`);
- }
- }
- };
- };
- //# sourceMappingURL=regenerator.cjs.map
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