How to use the node-filter-async.filterAsync function in node-filter-async
To help you get started, we’ve selected a few node-filter-async examples, based on popular ways it is used in public projects.
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OmniSharp / omnisharp-vscode / src / packageManager / PackageFilterer.ts View on Github 
async function filterAlreadyInstalledPackages(packages: AbsolutePathPackage[]): Promise {
return filterAsync(packages, async (pkg: AbsolutePathPackage) => {
//If the file is present at the install test path then filter it
let testPath = pkg.installTestPath;
if (!testPath) {
//if there is no testPath specified then we will not filter it
return true;
}
return !(await util.fileExists(testPath.value));
});
}node-filter-async
Filter array elements with Promises
