Sha256: 8afa74596a92c1ac2ee2a99902e8472f388eb0b4f36f03b219a6b0f7e6dc3617
Contents?: true
Size: 843 Bytes
Versions: 14
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Stored size: 843 Bytes
Contents
/**
* Returns the first element of an observable sequence that satisfies the condition in the predicate if present else the first item in the sequence.
* @example
* var res = res = source.first();
* var res = res = source.first(function (x) { return x > 3; });
* @param {Function} [predicate] A predicate function to evaluate for elements in the source sequence.
* @param {Any} [thisArg] Object to use as `this` when executing the predicate.
* @returns {Observable} Sequence containing the first element in the observable sequence that satisfies the condition in the predicate if provided, else the first item in the sequence.
*/
observableProto.first = function (predicate, thisArg) {
return predicate ?
this.where(predicate, thisArg).first() :
firstOrDefaultAsync(this, false);
};
Version data entries
14 entries across 7 versions & 1 rubygems