add some tests

packages/tiptap-core/src/commands/focus.ts

@@ -0,0 +1,65 @@
+import { Editor } from '../Editor'
+import { TextSelection } from 'prosemirror-state'
+import sleep from '../utils/sleep'
+import minMax from '../utils/minMax'
+
+declare module '../Editor' {
+  interface Editor {
+    focus(position: any): Editor
+  }
+}
+
+interface ResolvedSelection {
+  from: number,
+  to: number,
+}
+
+type Position = 'start' | 'end' | number | null
+
+function resolveSelection(editor: Editor, position: Position = null): ResolvedSelection {
+  if (position === null) {
+    return editor.selection
+  }
+
+  if (position === 'start') {
+    return {
+      from: 0,
+      to: 0,
+    }
+  }
+
+  if (position === 'end') {
+    const { size } = editor.state.doc.content
+    
+    return {
+      from: size,
+      to: size,
+    }
+  }
+
+  return {
+    from: position as number,
+    to: position as number,
+  }
+}
+
+export default async function focus(next: Function, editor: Editor, position: Position = null): Promise<void> {
+  const { view, state } = editor
+
+  if ((view.hasFocus && position === null)) {
+    next()
+    return
+  }
+
+  const { from, to } = resolveSelection(editor, position)
+  const { doc, tr } = state
+  const resolvedFrom = minMax(from, 0, doc.content.size)
+  const resolvedEnd = minMax(to, 0, doc.content.size)
+  const selection = TextSelection.create(doc, resolvedFrom, resolvedEnd)
+  const transaction = tr.setSelection(selection)
+
+  view.dispatch(transaction)
+  await sleep(10)
+  view.focus()
+  next()
+}

packages/tiptap-core/src/commands/insertText.ts

@@ -0,0 +1,12 @@
+import { Editor } from '../Editor'
+
+declare module "../Editor" {
+  interface Editor {
+    insertText(text: string): Editor,
+  }
+}
+
+export default function insertText(next: Function, { state, view }: Editor, text: string): void {
+  view.dispatch(state.tr.insertText(text))
+  next()
+}