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