in packages/docpack-examples-compiler/lib/ExamplesCompiler.js [122:133]
ExamplesCompiler.prototype.applyParentCompilerPlugins = function() {
var compiler = this._compiler;
var parentCompilerPlugins = compiler.parentCompilation.compiler.options.plugins || [];
parentCompilerPlugins
.filter(function(plugin) {
return !(plugin instanceof Docpack) && !(plugin instanceof DocpackPlugin)
})
.forEach(function(plugin) {
compiler.apply(plugin);
});
};