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