20 lines
630 B
Plaintext
20 lines
630 B
Plaintext
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');
|
|
};
|
|
}
|
|
//# sourceMappingURL=lift.js.map |