LouisBrunner / dnd-multi-backend / 5610676697

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100.0
/packages/dnd-multi-backend/src/PreviewListImpl.ts
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import {MultiBackendSwitcher, PreviewList, PreviewListener} from './types'
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export class PreviewListImpl implements PreviewList {










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  /*private*/ #previews: PreviewListener[]




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  constructor() {










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    this.#previews = []




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  }










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  register = (preview: PreviewListener): void => {




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    this.#previews.push(preview)




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  }










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  unregister = (preview: PreviewListener): void => {




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    let index










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    while ((index = this.#previews.indexOf(preview)) !== -1) {




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      this.#previews.splice(index, 1)




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    }










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  }










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  backendChanged = (backend: MultiBackendSwitcher): void => {




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    for (const preview of this.#previews) {




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      preview.backendChanged(backend)




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    }










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  }










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}
























    

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