39 lines
1.5 KiB
JavaScript
39 lines
1.5 KiB
JavaScript
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/*
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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 NullDependency = require("./NullDependency");
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const DepBlockHelpers = require("./DepBlockHelpers");
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class RequireEnsureDependency extends NullDependency {
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constructor(block) {
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super();
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this.block = block;
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}
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get type() {
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return "require.ensure";
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}
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}
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RequireEnsureDependency.Template = class RequireEnsureDependencyTemplate {
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apply(dep, source, outputOptions, requestShortener) {
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const depBlock = dep.block;
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const wrapper = DepBlockHelpers.getLoadDepBlockWrapper(depBlock, outputOptions, requestShortener, "require.ensure");
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const errorCallbackExists = depBlock.expr.arguments.length === 4 || (!depBlock.chunkName && depBlock.expr.arguments.length === 3);
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const startBlock = wrapper[0] + "(";
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const middleBlock = `).bind(null, __webpack_require__)${wrapper[1]}`;
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const endBlock = `${middleBlock}__webpack_require__.oe${wrapper[2]}`;
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source.replace(depBlock.expr.range[0], depBlock.expr.arguments[1].range[0] - 1, startBlock);
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if(errorCallbackExists) {
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source.replace(depBlock.expr.arguments[1].range[1], depBlock.expr.arguments[2].range[0] - 1, middleBlock);
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source.replace(depBlock.expr.arguments[2].range[1], depBlock.expr.range[1] - 1, wrapper[2]);
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} else {
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source.replace(depBlock.expr.arguments[1].range[1], depBlock.expr.range[1] - 1, endBlock);
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}
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}
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};
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module.exports = RequireEnsureDependency;
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