1. webpack配置文件解析
1.1 参数解析
2. api
2.1 webpack(options, callback)
下面是其源码：
function webpack(options, callback) {
var compiler;
if(Array.isArray(options)) {
compiler = new MultiCompiler(options.map(function(options) {
return webpack(options);
}));
} else if(typeof options === "object") {
new WebpackOptionsDefaulter().process(options);
compiler = new Compiler();
compiler.options = options;
compiler.options = new WebpackOptionsApply().process(options, compiler);
new NodeEnvironmentPlugin().apply(compiler);
compiler.applyPlugins("environment");
compiler.applyPlugins("after-environment");
} else {
throw new Error("Invalid argument: options");
}
if(callback) {
if(typeof callback !== "function") throw new Error("Invalid argument: callback");
if(options.watch === true) {
var watchOptions = (!Array.isArray(options) ? options : options[0]).watchOptions || {};
// TODO remove this in next major version
var watchDelay = (!Array.isArray(options) ? options : options[0]).watchDelay;
if(watchDelay) {
console.warn("options.watchDelay is deprecated: Use 'options.watchOptions.aggregateTimeout' instead");
watchOptions.aggregateTimeout = watchDelay;
}
return compiler.watch(watchOptions, callback);
}
compiler.run(callback);
}
return compiler;
}
