@bemedev/rx-add-ons/lib/tap.cjs

A collection of RxJS operators and utilities to enhance reactive programming capabilities.

'use strict';

var tap = require('rxjs/internal/operators/tap');

function tapWhile(predicate, sideEffect) {
    return (source) => {
        const all = [];
        let index = 0;
        return source.pipe(tap.tap(value => {
            all.push(value);
        }), tap.tap(value => {
            const check = predicate(value, index, all);
            if (check)
                sideEffect(value, index, all);
            index++;
        }));
    };
}

exports.tapWhile = tapWhile;
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