Method pinSource

packages/dnd-core/src/HandlerRegistry.js:156–162

(sourceId)

  }

  pinSource(sourceId) {
    const source = this.getSource(sourceId);
    invariant(source, 'Expected an existing source.');

    this.pinnedSourceId = sourceId;
    this.pinnedSource = source;
  }

  unpinSource() {
    invariant(this.pinnedSource, 'No source is pinned at the time.');