创高项目初始化

client/node_modules/quill/core/composition.js

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+import Embed from '../blots/embed.js';
+import Emitter from './emitter.js';
+class Composition {
+  isComposing = false;
+  constructor(scroll, emitter) {
+    this.scroll = scroll;
+    this.emitter = emitter;
+    this.setupListeners();
+  }
+  setupListeners() {
+    this.scroll.domNode.addEventListener('compositionstart', event => {
+      if (!this.isComposing) {
+        this.handleCompositionStart(event);
+      }
+    });
+    this.scroll.domNode.addEventListener('compositionend', event => {
+      if (this.isComposing) {
+        // Webkit makes DOM changes after compositionend, so we use microtask to
+        // ensure the order.
+        // https://bugs.webkit.org/show_bug.cgi?id=31902
+        queueMicrotask(() => {
+          this.handleCompositionEnd(event);
+        });
+      }
+    });
+  }
+  handleCompositionStart(event) {
+    const blot = event.target instanceof Node ? this.scroll.find(event.target, true) : null;
+    if (blot && !(blot instanceof Embed)) {
+      this.emitter.emit(Emitter.events.COMPOSITION_BEFORE_START, event);
+      this.scroll.batchStart();
+      this.emitter.emit(Emitter.events.COMPOSITION_START, event);
+      this.isComposing = true;
+    }
+  }
+  handleCompositionEnd(event) {
+    this.emitter.emit(Emitter.events.COMPOSITION_BEFORE_END, event);
+    this.scroll.batchEnd();
+    this.emitter.emit(Emitter.events.COMPOSITION_END, event);
+    this.isComposing = false;
+  }
+}
+export default Composition;
+//# sourceMappingURL=composition.js.map