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