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AMDRequireDependency.js
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Mon, Feb 10, 11:53

AMDRequireDependency.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const RuntimeGlobals = require("../RuntimeGlobals");
const makeSerializable = require("../util/makeSerializable");
const NullDependency = require("./NullDependency");
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../AsyncDependenciesBlock")} AsyncDependenciesBlock */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
class AMDRequireDependency extends NullDependency {
constructor(outerRange, arrayRange, functionRange, errorCallbackRange) {
super();
this.outerRange = outerRange;
this.arrayRange = arrayRange;
this.functionRange = functionRange;
this.errorCallbackRange = errorCallbackRange;
this.functionBindThis = false;
this.errorCallbackBindThis = false;
}
get category() {
return "amd";
}
serialize(context) {
const { write } = context;
write(this.outerRange);
write(this.arrayRange);
write(this.functionRange);
write(this.errorCallbackRange);
write(this.functionBindThis);
write(this.errorCallbackBindThis);
super.serialize(context);
}
deserialize(context) {
const { read } = context;
this.outerRange = read();
this.arrayRange = read();
this.functionRange = read();
this.errorCallbackRange = read();
this.functionBindThis = read();
this.errorCallbackBindThis = read();
super.deserialize(context);
}
}
makeSerializable(
AMDRequireDependency,
"webpack/lib/dependencies/AMDRequireDependency"
);
AMDRequireDependency.Template = class AMDRequireDependencyTemplate extends (
NullDependency.Template
) {
/**
* @param {Dependency} dependency the dependency for which the template should be applied
* @param {ReplaceSource} source the current replace source which can be modified
* @param {DependencyTemplateContext} templateContext the context object
* @returns {void}
*/
apply(
dependency,
source,
{ runtimeTemplate, moduleGraph, chunkGraph, runtimeRequirements }
) {
const dep = /** @type {AMDRequireDependency} */ (dependency);
const depBlock = /** @type {AsyncDependenciesBlock} */ (moduleGraph.getParentBlock(
dep
));
const promise = runtimeTemplate.blockPromise({
chunkGraph,
block: depBlock,
message: "AMD require",
runtimeRequirements
});
// has array range but no function range
if (dep.arrayRange && !dep.functionRange) {
const startBlock = `${promise}.then(function() {`;
const endBlock = `;}).catch(${RuntimeGlobals.uncaughtErrorHandler})`;
runtimeRequirements.add(RuntimeGlobals.uncaughtErrorHandler);
source.replace(dep.outerRange[0], dep.arrayRange[0] - 1, startBlock);
source.replace(dep.arrayRange[1], dep.outerRange[1] - 1, endBlock);
return;
}
// has function range but no array range
if (dep.functionRange && !dep.arrayRange) {
const startBlock = `${promise}.then((`;
const endBlock = `).bind(exports, __webpack_require__, exports, module)).catch(${RuntimeGlobals.uncaughtErrorHandler})`;
runtimeRequirements.add(RuntimeGlobals.uncaughtErrorHandler);
source.replace(dep.outerRange[0], dep.functionRange[0] - 1, startBlock);
source.replace(dep.functionRange[1], dep.outerRange[1] - 1, endBlock);
return;
}
// has array range, function range, and errorCallbackRange
if (dep.arrayRange && dep.functionRange && dep.errorCallbackRange) {
const startBlock = `${promise}.then(function() { `;
const errorRangeBlock = `}${
dep.functionBindThis ? ".bind(this)" : ""
}).catch(`;
const endBlock = `${dep.errorCallbackBindThis ? ".bind(this)" : ""})`;
source.replace(dep.outerRange[0], dep.arrayRange[0] - 1, startBlock);
source.insert(
dep.arrayRange[0] + 0.9,
"var __WEBPACK_AMD_REQUIRE_ARRAY__ = "
);
source.replace(dep.arrayRange[1], dep.functionRange[0] - 1, "; (");
source.insert(
dep.functionRange[1],
").apply(null, __WEBPACK_AMD_REQUIRE_ARRAY__);"
);
source.replace(
dep.functionRange[1],
dep.errorCallbackRange[0] - 1,
errorRangeBlock
);
source.replace(
dep.errorCallbackRange[1],
dep.outerRange[1] - 1,
endBlock
);
return;
}
// has array range, function range, but no errorCallbackRange
if (dep.arrayRange && dep.functionRange) {
const startBlock = `${promise}.then(function() { `;
const endBlock = `}${dep.functionBindThis ? ".bind(this)" : ""}).catch(${
RuntimeGlobals.uncaughtErrorHandler
})`;
runtimeRequirements.add(RuntimeGlobals.uncaughtErrorHandler);
source.replace(dep.outerRange[0], dep.arrayRange[0] - 1, startBlock);
source.insert(
dep.arrayRange[0] + 0.9,
"var __WEBPACK_AMD_REQUIRE_ARRAY__ = "
);
source.replace(dep.arrayRange[1], dep.functionRange[0] - 1, "; (");
source.insert(
dep.functionRange[1],
").apply(null, __WEBPACK_AMD_REQUIRE_ARRAY__);"
);
source.replace(dep.functionRange[1], dep.outerRange[1] - 1, endBlock);
}
}
};
module.exports = AMDRequireDependency;

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