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64 lines
1.5 KiB
JavaScript
64 lines
1.5 KiB
JavaScript
// shim for using process in browser
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var process = module.exports = {};
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process.nextTick = (function () {
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var canSetImmediate = typeof window !== 'undefined'
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&& window.setImmediate;
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var canPost = typeof window !== 'undefined'
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&& window.postMessage && window.addEventListener
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;
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if (canSetImmediate) {
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return function (f) { return window.setImmediate(f) };
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}
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if (canPost) {
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var queue = [];
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window.addEventListener('message', function (ev) {
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var source = ev.source;
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if ((source === window || source === null) && ev.data === 'process-tick') {
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ev.stopPropagation();
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if (queue.length > 0) {
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var fn = queue.shift();
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fn();
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}
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}
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}, true);
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return function nextTick(fn) {
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queue.push(fn);
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window.postMessage('process-tick', '*');
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};
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}
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return function nextTick(fn) {
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setTimeout(fn, 0);
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};
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})();
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process.title = 'browser';
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process.browser = true;
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process.env = {};
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process.argv = [];
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function noop() {}
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process.on = noop;
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process.addListener = noop;
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process.once = noop;
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process.off = noop;
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process.removeListener = noop;
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process.removeAllListeners = noop;
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process.emit = noop;
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process.binding = function (name) {
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throw new Error('process.binding is not supported');
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}
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// TODO(shtylman)
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process.cwd = function () { return '/' };
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process.chdir = function (dir) {
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throw new Error('process.chdir is not supported');
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};
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