cfx
Version:
programmatically use cfx with node.js
27 lines (20 loc) • 788 B
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
;
module.metadata = {
"stability": "unstable"
};
let { emit, on, off } = require("./core");
// Simple utility function takes event target, event type and optional
// `options.capture` and returns node style event stream that emits "data"
// events every time event of that type occurs on the given `target`.
function open(target, type, options) {
let output = {};
let capture = options && options.capture ? true : false;
target.addEventListener(type, function(event) {
emit(output, "data", event);
}, capture);
return output;
}
exports.open = open;