work.suroh.tk/node_modules/rxjs/_esm2015/util/pipe.js

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2019-12-02 12:22:45 +00:00
import { noop } from './noop';
/* tslint:enable:max-line-length */
export function pipe(...fns) {
return pipeFromArray(fns);
}
/* @internal */
export function pipeFromArray(fns) {
if (!fns) {
return noop;
}
if (fns.length === 1) {
return fns[0];
}
return function piped(input) {
return fns.reduce((prev, fn) => fn(prev), input);
};
}
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