Function createTaskLinkViewPlugin

src/editor/TaskLinkOverlay.ts:39–215

(plugin: TaskNotesPlugin)

// Create a ViewPlugin factory that takes the plugin as a parameter
export function createTaskLinkViewPlugin(plugin: TaskNotesPlugin) {
	// Track widget instances for updates
	const activeWidgets = new Map<string, TaskLinkWidget>();
	// Fallback cache keyed by resolvedPath only — survives position shifts and activeWidgets.clear()
	const lastKnownWidgets = new Map<string, TaskLinkWidget>();

	return ViewPlugin.fromClass(
		class {
			decorations: DecorationSet;
			private eventListeners: EventRef[] = [];
			private view: EditorView;

			constructor(view: EditorView) {
				this.view = view;
				this.decorations = this.buildDecorations(view);
				this.setupEventListeners();
			}

			destroy() {
				// Clean up event listeners
				this.eventListeners.forEach((listener) => {
					plugin.emitter.offref(listener);
				});
				this.eventListeners = [];
			}

			setupEventListeners() {
				// Listen for data changes that might affect task link widgets
				const dataChangeListener = plugin.emitter.on(EVENT_DATA_CHANGED, () => {
					this.refreshDecorations();
				});

				const taskUpdateListener = plugin.emitter.on(EVENT_TASK_UPDATED, () => {
					this.refreshDecorations();
				});

				const taskDeleteListener = plugin.emitter.on(
					EVENT_TASK_DELETED,
					(data?: { path?: string }) => {
						if (data?.path) {
							lastKnownWidgets.delete(data.path);
						}
						this.refreshDecorations();
					}
				);

				const dateChangeListener = plugin.emitter.on(EVENT_DATE_CHANGED, () => {
					lastKnownWidgets.clear();
					this.refreshDecorations();
				});

				// Listen for settings changes
				const settingsChangeListener = plugin.emitter.on("settings-changed", () => {
					this.refreshDecorations();
				});

				this.eventListeners.push(
					dataChangeListener,