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9.2 KiB
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1 line
No EOL
9.2 KiB
JSON
{"ast":null,"code":"import { Observable } from '../Observable';\nimport { innerFrom } from '../observable/innerFrom';\nimport { Subject } from '../Subject';\nimport { operate } from '../util/lift';\nimport { createOperatorSubscriber, OperatorSubscriber } from './OperatorSubscriber';\nexport function groupBy(keySelector, elementOrOptions, duration, connector) {\n return operate(function (source, subscriber) {\n var element;\n if (!elementOrOptions || typeof elementOrOptions === 'function') {\n element = elementOrOptions;\n } else {\n duration = elementOrOptions.duration, element = elementOrOptions.element, connector = elementOrOptions.connector;\n }\n var groups = new Map();\n var notify = function (cb) {\n groups.forEach(cb);\n cb(subscriber);\n };\n var handleError = function (err) {\n return notify(function (consumer) {\n return consumer.error(err);\n });\n };\n var activeGroups = 0;\n var teardownAttempted = false;\n var groupBySourceSubscriber = new OperatorSubscriber(subscriber, function (value) {\n try {\n var key_1 = keySelector(value);\n var group_1 = groups.get(key_1);\n if (!group_1) {\n groups.set(key_1, group_1 = connector ? 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