wishthis/node_modules/rxjs/dist/esm5/internal/util/lift.js
2022-04-07 09:06:43 +02:00

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630 B
JavaScript

import { isFunction } from './isFunction';
export function hasLift(source) {
return isFunction(source === null || source === void 0 ? void 0 : source.lift);
}
export function operate(init) {
return function (source) {
if (hasLift(source)) {
return source.lift(function (liftedSource) {
try {
return init(liftedSource, this);
}
catch (err) {
this.error(err);
}
});
}
throw new TypeError('Unable to lift unknown Observable type');
};
}
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