1 line
1.5 KiB
JSON
1 line
1.5 KiB
JSON
{"ast":null,"code":"import { Observable } from '../Observable';\nimport { innerFrom } from './innerFrom';\nimport { argsOrArgArray } from '../util/argsOrArgArray';\nimport { EMPTY } from './empty';\nimport { createOperatorSubscriber } from '../operators/OperatorSubscriber';\nimport { popResultSelector } from '../util/args';\nexport function zip(...args) {\n const resultSelector = popResultSelector(args);\n const sources = argsOrArgArray(args);\n return sources.length ? new Observable(subscriber => {\n let buffers = sources.map(() => []);\n let completed = sources.map(() => false);\n subscriber.add(() => {\n buffers = completed = null;\n });\n for (let sourceIndex = 0; !subscriber.closed && sourceIndex < sources.length; sourceIndex++) {\n innerFrom(sources[sourceIndex]).subscribe(createOperatorSubscriber(subscriber, value => {\n buffers[sourceIndex].push(value);\n if (buffers.every(buffer => buffer.length)) {\n const result = buffers.map(buffer => buffer.shift());\n subscriber.next(resultSelector ? resultSelector(...result) : result);\n if (buffers.some((buffer, i) => !buffer.length && completed[i])) {\n subscriber.complete();\n }\n }\n }, () => {\n completed[sourceIndex] = true;\n !buffers[sourceIndex].length && subscriber.complete();\n }));\n }\n return () => {\n buffers = completed = null;\n };\n }) : EMPTY;\n}\n//# sourceMappingURL=zip.js.map","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]} |