const pluginCompat = require('./util/plugin-compat');
|
|
const mixinCssDependency = function(CssDependency) {
|
const Dependency = Object.getPrototypeOf(CssDependency.prototype).constructor;
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CssDependency.prototype.updateHash = function(hash) {
|
Dependency.prototype.updateHash.call(this, hash);
|
hash.update(this.content);
|
};
|
};
|
|
class SupportMiniCssExtractPlugin {
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apply(compiler) {
|
let CssDependency;
|
|
pluginCompat.tap(
|
compiler,
|
'make',
|
'SupportMiniCssExtractPlugin',
|
({ dependencyFactories }) => {
|
const Dependencies = dependencyFactories.keys();
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for (const Dep of Dependencies) {
|
if (Dep.name === 'CssDependency') {
|
CssDependency = Dep;
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mixinCssDependency(CssDependency);
|
break;
|
}
|
}
|
},
|
);
|
|
pluginCompat.tap(
|
compiler,
|
'_hardSourceFreezeDependency',
|
'HardMiniCssExtractPlugin freeze',
|
(frozen, dependency, extra) => {
|
if (dependency.constructor === CssDependency) {
|
return {
|
type: 'CssDependency',
|
line: {
|
identifier: dependency.identifier,
|
content: dependency.content,
|
media: dependency.media,
|
sourceMap: dependency.sourceMap,
|
},
|
context: dependency.context,
|
identifierIndex: dependency.identifierIndex,
|
};
|
}
|
return frozen;
|
},
|
);
|
|
pluginCompat.tap(
|
compiler,
|
'_hardSourceThawDependency',
|
'HardMiniCssExtractPlugin',
|
(dependency, { type, line, context, identifierIndex }, extra) => {
|
if (type === 'CssDependency') {
|
return new CssDependency(line, context, identifierIndex);
|
}
|
return dependency;
|
},
|
);
|
}
|
}
|
|
module.exports = SupportMiniCssExtractPlugin;
|
