Refactor events module to lib/events.js
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@ -1,4 +1,70 @@
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exports.EventEmitter = process.EventEmitter;
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exports.Promise = removed('Promise has been removed. See http://groups.google.com/group/nodejs/msg/0c483b891c56fea2 for more information.');
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// process.EventEmitter is defined in src/node_events.cc
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// process.EventEmitter.prototype.emit() is also defined there.
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process.EventEmitter.prototype.addListener = function (type, listener) {
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if ('function' !== typeof listener) {
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throw new Error('addListener only takes instances of Function');
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}
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if (!this._events) this._events = {};
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// To avoid recursion in the case that type == "newListeners"! Before
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// adding it to the listeners, first emit "newListeners".
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this.emit("newListener", type, listener);
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if (!this._events[type]) {
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// Optimize the case of one listener. Don't need the extra array object.
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this._events[type] = listener;
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} else if (this._events[type] instanceof Array) {
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// If we've already got an array, just append.
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this._events[type].push(listener);
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} else {
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// Adding the second element, need to change to array.
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this._events[type] = [this._events[type], listener];
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}
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return this;
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};
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process.EventEmitter.prototype.removeListener = function (type, listener) {
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if ('function' !== typeof listener) {
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throw new Error('removeListener only takes instances of Function');
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}
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// does not use listeners(), so no side effect of creating _events[type]
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if (!this._events || !this._events[type]) return this;
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var list = this._events[type];
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if (list instanceof Array) {
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var i = list.indexOf(listener);
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if (i < 0) return this;
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list.splice(i, 1);
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} else {
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this._events[type] = null;
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}
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return this;
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};
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process.EventEmitter.prototype.removeAllListeners = function (type) {
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// does not use listeners(), so no side effect of creating _events[type]
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if (!type || !this._events || !this._events[type]) return this;
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this._events[type] = null;
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};
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process.EventEmitter.prototype.listeners = function (type) {
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if (!this._events) this._events = {};
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if (!this._events[type]) this._events[type] = [];
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if (!(this._events[type] instanceof Array)) {
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this._events[type] = [this._events[type]];
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}
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return this._events[type];
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};
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exports.Promise = function removed () {
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throw new Error(
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'Promise has been removed. See '+
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'http://groups.google.com/group/nodejs/msg/0c483b891c56fea2 for more information.');
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}
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process.Promise = exports.Promise;
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@ -1303,10 +1303,11 @@ static Handle<Value> Binding(const Arguments& args) {
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exports->Set(String::New("repl"), String::New(native_repl));
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exports->Set(String::New("sys"), String::New(native_sys));
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exports->Set(String::New("tcp"), String::New(native_tcp));
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exports->Set(String::New("tcp_old"), String::New(native_tcp_old));
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exports->Set(String::New("tcp_old"), String::New(native_tcp_old));
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exports->Set(String::New("uri"), String::New(native_uri));
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exports->Set(String::New("url"), String::New(native_url));
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exports->Set(String::New("utils"), String::New(native_utils));
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exports->Set(String::New("events"), String::New(native_events));
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binding_cache->Set(module, exports);
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}
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79
src/node.js
79
src/node.js
@ -103,80 +103,15 @@ process.assert = function (x, msg) {
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process.evalcx = process.binding('evals').Script.runInNewContext;
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// Event
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var eventsModule = createInternalModule('events', function (exports) {
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exports.EventEmitter = process.EventEmitter;
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// process.EventEmitter is defined in src/node_events.cc
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// process.EventEmitter.prototype.emit() is also defined there.
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process.EventEmitter.prototype.addListener = function (type, listener) {
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if (typeof listener != 'function') {
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throw new Error('addListener only takes functions');
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}
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if (!this._events) this._events = {};
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// To avoid recursion in the case that type == "newListeners"! Before
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// adding it to the listeners, first emit "newListeners".
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this.emit("newListener", type, listener);
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if (!this._events[type]) {
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// Optimize the case of one listener. Don't need the extra array object.
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this._events[type] = listener;
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} else if (this._events[type] instanceof Array) {
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// If we've already got an array, just append.
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this._events[type].push(listener);
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} else {
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// Adding the second element, need to change to array.
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this._events[type] = [this._events[type], listener];
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}
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return this;
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};
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process.EventEmitter.prototype.removeListener = function (type, listener) {
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if (typeof listener != 'function') {
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throw new Error('removeListener only takes functions');
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}
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// does not use listeners(), so no side effect of creating _events[type]
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if (!this._events || !this._events[type]) return this;
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var list = this._events[type];
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if (list instanceof Array) {
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var i = list.indexOf(listener);
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if (i < 0) return this;
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list.splice(i, 1);
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} else {
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this._events[type] = null;
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}
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return this;
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};
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process.EventEmitter.prototype.removeAllListeners = function (type) {
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// does not use listeners(), so no side effect of creating _events[type]
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if (!type || !this._events || !this._events[type]) return this;
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this._events[type] = null;
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};
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process.EventEmitter.prototype.listeners = function (type) {
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if (!this._events) this._events = {};
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if (!this._events[type]) this._events[type] = [];
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if (!(this._events[type] instanceof Array)) {
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this._events[type] = [this._events[type]];
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}
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return this._events[type];
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};
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exports.Promise = removed('Promise has been removed. See http://groups.google.com/group/nodejs/msg/0c483b891c56fea2 for more information.');
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process.Promise = exports.Promise;
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});
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var eventsModule = createInternalModule
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( 'events'
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, process.compile
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( "(function (exports) {" + natives.events + "})"
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, "events"
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)
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);
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var events = eventsModule.exports;
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// nextTick()
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var nextTickQueue = [];
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