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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const parseJson = require("json-parse-better-errors");
const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
const DelegatedModuleFactoryPlugin = require("./DelegatedModuleFactoryPlugin");
const ExternalModuleFactoryPlugin = require("./ExternalModuleFactoryPlugin");
const DelegatedExportsDependency = require("./dependencies/DelegatedExportsDependency");
const NullFactory = require("./NullFactory");
const makePathsRelative = require("./util/identifier").makePathsRelative;
const WebpackError = require("./WebpackError");
const validateOptions = require("schema-utils");
const schema = require("../schemas/plugins/DllReferencePlugin.json");
class DllReferencePlugin {
constructor(options) {
validateOptions(schema, options, "Dll Reference Plugin");
this.options = options;
}
apply(compiler) {
compiler.hooks.compilation.tap(
"DllReferencePlugin",
(compilation, { normalModuleFactory }) => {
compilation.dependencyFactories.set(
DelegatedSourceDependency,
normalModuleFactory
);
compilation.dependencyFactories.set(
DelegatedExportsDependency,
new NullFactory()
);
}
);
compiler.hooks.beforeCompile.tapAsync(
"DllReferencePlugin",
(params, callback) => {
const manifest = this.options.manifest;
if (typeof manifest === "string") {
params.compilationDependencies.add(manifest);
compiler.inputFileSystem.readFile(manifest, (err, result) => {
if (err) return callback(err);
// Catch errors parsing the manifest so that blank
// or malformed manifest files don't kill the process.
try {
params["dll reference " + manifest] = parseJson(
result.toString("utf-8")
);
} catch (e) {
// Store the error in the params so that it can
// be added as a compilation error later on.
const manifestPath = makePathsRelative(
compiler.options.context,
manifest
);
params[
"dll reference parse error " + manifest
] = new DllManifestError(manifestPath, e.message);
}
return callback();
});
} else {
return callback();
}
}
);
compiler.hooks.compile.tap("DllReferencePlugin", params => {
let manifest = this.options.manifest;
if (typeof manifest === "string") {
// If there was an error parsing the manifest
// file, exit now because the error will be added
// as a compilation error in the "compilation" hook.
if (params["dll reference parse error " + manifest]) {
return;
}
manifest = params["dll reference " + manifest];
}
const name = this.options.name || manifest.name;
const sourceType =
this.options.sourceType || (manifest && manifest.type) || "var";
const externals = {};
const source = "dll-reference " + name;
externals[source] = name;
const normalModuleFactory = params.normalModuleFactory;
new ExternalModuleFactoryPlugin(sourceType, externals).apply(
normalModuleFactory
);
new DelegatedModuleFactoryPlugin({
source: source,
type: this.options.type,
scope: this.options.scope,
context: this.options.context || compiler.options.context,
content: this.options.content || manifest.content,
extensions: this.options.extensions
}).apply(normalModuleFactory);
});
compiler.hooks.compilation.tap(
"DllReferencePlugin",
(compilation, params) => {
let manifest = this.options.manifest;
if (typeof manifest === "string") {
// If there was an error parsing the manifest file, add the
// error as a compilation error to make the compilation fail.
let e = params["dll reference parse error " + manifest];
if (e) {
compilation.errors.push(e);
}
}
}
);
}
}
class DllManifestError extends WebpackError {
constructor(filename, message) {
super();
this.name = "DllManifestError";
this.message = `Dll manifest ${filename}\n${message}`;
Error.captureStackTrace(this, this.constructor);
}
}
module.exports = DllReferencePlugin;
|
