aaac7fed
 liuqimichale
add
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const NullDependency = require("./NullDependency");
const DepBlockHelpers = require("./DepBlockHelpers");
class RequireEnsureDependency extends NullDependency {
constructor(block) {
super();
this.block = block;
}
get type() {
return "require.ensure";
}
}
RequireEnsureDependency.Template = class RequireEnsureDependencyTemplate {
apply(dep, source, outputOptions, requestShortener) {
const depBlock = dep.block;
const wrapper = DepBlockHelpers.getLoadDepBlockWrapper(depBlock, outputOptions, requestShortener, "require.ensure");
const errorCallbackExists = depBlock.expr.arguments.length === 4 || (!depBlock.chunkName && depBlock.expr.arguments.length === 3);
const startBlock = wrapper[0] + "(";
const middleBlock = `).bind(null, __webpack_require__)${wrapper[1]}`;
const endBlock = `${middleBlock}__webpack_require__.oe${wrapper[2]}`;
source.replace(depBlock.expr.range[0], depBlock.expr.arguments[1].range[0] - 1, startBlock);
if(errorCallbackExists) {
source.replace(depBlock.expr.arguments[1].range[1], depBlock.expr.arguments[2].range[0] - 1, middleBlock);
source.replace(depBlock.expr.arguments[2].range[1], depBlock.expr.range[1] - 1, wrapper[2]);
} else {
source.replace(depBlock.expr.arguments[1].range[1], depBlock.expr.range[1] - 1, endBlock);
}
}
};
module.exports = RequireEnsureDependency;
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