update

node_modules/rxjs/operator/find.js

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+"use strict";
+var find_1 = require('../operators/find');
+/* tslint:enable:max-line-length */
+/**
+ * Emits only the first value emitted by the source Observable that meets some
+ * condition.
+ *
+ * <span class="informal">Finds the first value that passes some test and emits
+ * that.</span>
+ *
+ * <img src="./img/find.png" width="100%">
+ *
+ * `find` searches for the first item in the source Observable that matches the
+ * specified condition embodied by the `predicate`, and returns the first
+ * occurrence in the source. Unlike {@link first}, the `predicate` is required
+ * in `find`, and does not emit an error if a valid value is not found.
+ *
+ * @example <caption>Find and emit the first click that happens on a DIV element</caption>
+ * var clicks = Rx.Observable.fromEvent(document, 'click');
+ * var result = clicks.find(ev => ev.target.tagName === 'DIV');
+ * result.subscribe(x => console.log(x));
+ *
+ * @see {@link filter}
+ * @see {@link first}
+ * @see {@link findIndex}
+ * @see {@link take}
+ *
+ * @param {function(value: T, index: number, source: Observable<T>): boolean} predicate
+ * A function called with each item to test for condition matching.
+ * @param {any} [thisArg] An optional argument to determine the value of `this`
+ * in the `predicate` function.
+ * @return {Observable<T>} An Observable of the first item that matches the
+ * condition.
+ * @method find
+ * @owner Observable
+ */
+function find(predicate, thisArg) {
+    return find_1.find(predicate, thisArg)(this);
+}
+exports.find = find;
+//# sourceMappingURL=find.js.map