uhh, lots of things in frontend

frontend-reactive/app/components/note/content.ts

@@ -0,0 +1,57 @@
+import { action } from '@ember/object';
+import Component from '@glimmer/component';
+import { tracked } from '@glimmer/tracking';
+
+export interface NoteContentSignature {
+  // The arguments accepted by the component
+  Args: {
+    content: string;
+  };
+  // Any blocks yielded by the component
+  Blocks: {
+    default: [];
+  };
+  // The element to which `...attributes` is applied in the component template
+  Element: null;
+}
+
+export default class NoteContent extends Component<NoteContentSignature> {
+  // Default to collapsed content
+  @tracked visibleContent =
+    this.args.content.length > 200 ? this.cutDownContent() : this.args.content;
+
+  @tracked collapsed = true;
+  @tracked canExpand = this.args.content.length > 200;
+
+  @action
+  expand() {
+    this.visibleContent = this.args.content;
+    this.collapsed = false;
+  }
+
+  @action
+  collapse() {
+    this.visibleContent =
+      this.args.content.length > 200
+        ? this.cutDownContent()
+        : this.args.content;
+    this.collapsed = true;
+  }
+
+  cutDownContent(): string {
+    if (this.args.content.length > 200) {
+      const words = this.args.content.split(' ');
+      let outString = '';
+      for (const word of words) {
+        if (outString.length > 200) {
+          return outString + '...';
+        }
+        outString += word + ' ';
+      }
+    } else {
+      return this.args.content;
+    }
+
+    return '';
+  }
+}