@reactivex/ix-es2015-cjs
Version:
The Interactive Extensions for JavaScript
62 lines (60 loc) • 2.62 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.skipWhile = exports.SkipWhileAsyncIterable = void 0;
const tslib_1 = require("tslib");
const asynciterablex_js_1 = require("../asynciterablex.js");
const withabort_js_1 = require("./withabort.js");
const aborterror_js_1 = require("../../aborterror.js");
/** @ignore */
class SkipWhileAsyncIterable extends asynciterablex_js_1.AsyncIterableX {
constructor(source, predicate) {
super();
this._source = source;
this._predicate = predicate;
}
[Symbol.asyncIterator](signal) {
return tslib_1.__asyncGenerator(this, arguments, function* _a() {
var _b, e_1, _c, _d;
(0, aborterror_js_1.throwIfAborted)(signal);
let yielding = false;
let i = 0;
try {
for (var _e = true, _f = tslib_1.__asyncValues((0, withabort_js_1.wrapWithAbort)(this._source, signal)), _g; _g = yield tslib_1.__await(_f.next()), _b = _g.done, !_b; _e = true) {
_d = _g.value;
_e = false;
const element = _d;
if (!yielding && !(yield tslib_1.__await(this._predicate(element, i++, signal)))) {
yielding = true;
}
if (yielding) {
yield yield tslib_1.__await(element);
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (!_e && !_b && (_c = _f.return)) yield tslib_1.__await(_c.call(_f));
}
finally { if (e_1) throw e_1.error; }
}
});
}
}
exports.SkipWhileAsyncIterable = SkipWhileAsyncIterable;
/**
* Bypasses elements in an async-iterale sequence as long as a specified condition is true
* and then returns the remaining elements.
*
* @template T The type of the elements in the source sequence.
* @param {((value: T, index: number, signal?: AbortSignal) => boolean | Promise<boolean>)} predicate A function to test each element for a condition.
* @returns {OperatorAsyncFunction<T, T>} An async-iterable sequence that contains the elements from the input
* sequence starting at the first element in the linear series that does not pass the test specified by predicate.
*/
function skipWhile(predicate) {
return function skipWhileOperatorFunction(source) {
return new SkipWhileAsyncIterable(source, predicate);
};
}
exports.skipWhile = skipWhile;
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