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memos/web/src/components/MemoEditor/hooks/useAutoComplete.ts

41 lines
1.4 KiB
TypeScript

import { last } from "lodash-es";
import { useEffect } from "react";
import { NodeType, OrderedListNode, TaskListNode, UnorderedListNode } from "@/types/node";
import { EditorRefActions } from "../Editor";
const useAutoComplete = (actions: EditorRefActions) => {
useEffect(() => {
const editor = actions.getEditor();
if (!editor) return;
editor.addEventListener("keydown", (event) => {
if (event.key === "Enter") {
const cursorPosition = actions.getCursorPosition();
const prevContent = actions.getContent().substring(0, cursorPosition);
const lastNode = last(window.parse(prevContent));
if (!lastNode) {
return;
}
let insertText = "";
if (lastNode.type === NodeType.TASK_LIST) {
const { complete } = lastNode.value as TaskListNode;
insertText = complete ? "- [x] " : "- [ ] ";
} else if (lastNode.type === NodeType.UNORDERED_LIST) {
const { symbol } = lastNode.value as UnorderedListNode;
insertText = `${symbol} `;
} else if (lastNode.type === NodeType.ORDERED_LIST) {
const { number } = lastNode.value as OrderedListNode;
insertText = `${Number(number) + 1}. `;
}
if (insertText) {
actions.insertText(`\n${insertText}`);
event.preventDefault();
}
}
});
}, []);
};
export default useAutoComplete;