diff options
Diffstat (limited to 'node_modules/rxjs/dist/esm5/internal/operators/pluck.js')
| -rw-r--r-- | node_modules/rxjs/dist/esm5/internal/operators/pluck.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/esm5/internal/operators/pluck.js b/node_modules/rxjs/dist/esm5/internal/operators/pluck.js new file mode 100644 index 0000000..ea59337 --- /dev/null +++ b/node_modules/rxjs/dist/esm5/internal/operators/pluck.js @@ -0,0 +1,25 @@ +import { map } from './map'; +export function pluck() { + var properties = []; + for (var _i = 0; _i < arguments.length; _i++) { + properties[_i] = arguments[_i]; + } + var length = properties.length; + if (length === 0) { + throw new Error('list of properties cannot be empty.'); + } + return map(function (x) { + var currentProp = x; + for (var i = 0; i < length; i++) { + var p = currentProp === null || currentProp === void 0 ? void 0 : currentProp[properties[i]]; + if (typeof p !== 'undefined') { + currentProp = p; + } + else { + return undefined; + } + } + return currentProp; + }); +} +//# sourceMappingURL=pluck.js.map
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