mirror of https://github.com/webpack/webpack.git
48 lines
1.5 KiB
JavaScript
48 lines
1.5 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const ModuleDependency = require("./ModuleDependency");
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const Template = require("../Template");
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const DepBlockHelpers = require("./DepBlockHelpers");
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const webpackMissingPromiseModule = require("./WebpackMissingModule").promise;
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class ImportDependency extends ModuleDependency {
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constructor(request, block) {
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super(request);
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this.block = block;
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}
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get type() {
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return "import()";
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}
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}
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ImportDependency.Template = class ImportDependencyTemplate {
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apply(dep, source, outputOptions, requestShortener) {
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const depBlock = dep.block;
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const promise = DepBlockHelpers.getDepBlockPromise(depBlock, outputOptions, requestShortener, "import()");
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const comment = outputOptions.pathinfo ? Template.toComment(requestShortener.shorten(dep.request)) : "";
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const content = this.getContent(promise, dep, comment);
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source.replace(depBlock.range[0], depBlock.range[1] - 1, content);
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}
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getContent(promise, dep, comment) {
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if(promise && dep.module) {
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const stringifiedId = JSON.stringify(dep.module.id);
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return `${promise}.then(__webpack_require__.bind(null, ${comment}${stringifiedId}))`;
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}
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if(dep.module) {
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const stringifiedId = JSON.stringify(dep.module.id);
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return `new Promise(function(resolve) { resolve(__webpack_require__(${comment}${stringifiedId})); })`;
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}
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return webpackMissingPromiseModule(dep.request);
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}
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};
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module.exports = ImportDependency;
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