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Tim van der Lippe
2a1ede5c26
`manage_node_deps.py` was changed in https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2259834 to add line endings at the end of the package.json file However, `npm run install-deps` was not rerun to add the line endings. To prevent future CLs that add deps to include the line ending changes, fix them in this CL. R=mathias@chromium.org Change-Id: Id4ee0003520c4aa0cb55494cdf64df57e31a86d7 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2263952 Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org> Commit-Queue: Mathias Bynens <mathias@chromium.org> Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org> Reviewed-by: Mathias Bynens <mathias@chromium.org>
Run Async
Utility method to run a function either synchronously or asynchronously using a series of common patterns. This is useful for library author accepting sync or async functions as parameter. runAsync will always run them as an async method, and normalize the multiple signature.
Installation
npm install --save run-async
Usage
Here's a simple example print the function results and three options a user can provide a function.
var runAsync = require('run-async');
var printAfter = function (func) {
var cb = function (err, returnValue) {
console.log(returnValue);
};
runAsync(func, cb)(/* arguments for func */);
};
Using this.async
printAfter(function () {
var done = this.async();
setTimeout(function () {
done(null, 'done running with callback');
}, 10);
});
Returning a promise
printAfter(function () {
return new Promise(function (resolve, reject) {
resolve('done running with promises');
});
});
Synchronous function
printAfter(function () {
return 'done running sync function';
});
runAsync.cb
runAsync.cb supports all the function types that runAsync does and additionally a traditional callback as the last argument signature:
var runAsync = require('run-async');
// IMPORTANT: The wrapped function must have a fixed number of parameters.
runAsync.cb(function(a, b, cb) {
cb(null, a + b);
}, function(err, result) {
console.log(result)
})(1, 2)
If your version of node support Promises natively (node >= 0.12), runAsync will return a promise. Example: runAsync(func)(arg1, arg2).then(cb)
Licence
Copyright (c) 2014 Simon Boudrias (twitter: @vaxilart)
Licensed under the MIT license.