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88ff901a72
* chore: add and configure prettier * chore: remove clang-format * chore: remove clang-format config * chore: lint additional ts files * chore: fix lint errors in blocks * chore: add prettier-ignore where needed * chore: ignore js blocks when formatting * chore: fix playground html syntax * chore: fix yaml spacing from merge * chore: convert text blocks to use arrow functions * chore: format everything with prettier * chore: fix lint unused imports in blocks
25 lines
472 B
TypeScript
25 lines
472 B
TypeScript
/**
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* @license
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* Copyright 2022 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* An object that fires events optionally.
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*
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* @internal
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*/
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export interface IObservable {
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startPublishing(): void;
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stopPublishing(): void;
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}
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/**
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* Type guard for checking if an object fulfills IObservable.
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*
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* @internal
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*/
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export function isObservable(obj: any): obj is IObservable {
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return obj.startPublishing !== undefined && obj.stopPublishing !== undefined;
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}
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