Javascript js-如何使用语法检查功能创建平滑的实时编辑器?
我试图制作一个具有实时语法检查功能的富文本编辑器。 我有自己的字典和检查引擎 这里的问题是编辑器并不平滑,因为每次我对draft.js编辑器进行更改时都会运行检查引擎,即使我只是移动光标位置 这是我的RichTextEditor组件Javascript js-如何使用语法检查功能创建平滑的实时编辑器?,javascript,reactjs,redux,web-worker,draftjs,Javascript,Reactjs,Redux,Web Worker,Draftjs,我试图制作一个具有实时语法检查功能的富文本编辑器。 我有自己的字典和检查引擎 这里的问题是编辑器并不平滑,因为每次我对draft.js编辑器进行更改时都会运行检查引擎,即使我只是移动光标位置 这是我的RichTextEditor组件 import {updateEditorState, checkEditorState} from './logic/actions'; ... class RichTextEditor extends React.Component { ...
import {updateEditorState, checkEditorState} from './logic/actions';
...
class RichTextEditor extends React.Component {
...
onChange = (editorState) => {
this.props.updateEditorState(editorState);
this.props.checkEditorState(editorState);
}
...
render() {
return (<Editor
editorState={this.props.editorState}
onChange={this.onChange}
/>);
}
}
const mapStateToProps = state => ({
});
const mapDispatchToProps = dispatch => ({
updateEditorState: bindActionCreators(updateEditorState, dispatch),
checkEditorState: bindActionCreators(checkEditorState, dispatch)
});
export default connect(mapStateToProps, mapDispatchToProps)(RichTextEditor);
逻辑/saga.js
逻辑/reducer.js
我知道这个实现不是一个好的实践,因为在redux操作成功调度之前,UI将被阻止,这是非平滑编辑的主要原因。
我想做一个后台线程来检测存储变量“editorState”的变化。
一旦检测到更改,它将运行checkEngine,然后发送新的redux操作,以使用语法检查的editorState更新editorState
但我不知道如何在React.js中为redux商店创建背景线程或工作线程
你能帮我解决这个问题吗?
谢谢
import * as actionTypes from './rteActionTypes'
...
export const updateEditorState = (data) => {
return ({
type: actionTypes.UPDATE_EDITOR_STATE,
data: data
});
}
export const checkEditorState = (data) => {
return ({
type: actionTypes.CHECK_EDITOR_STATE,
data: data
});
}
...
import { takeLatest, all, call, put } from 'redux-saga/effects';
import * as actionTypes from './rteActionTypes';
import { checkEditorState } from './CheckEngine';
function* checkEditor(action) {
const {updated, editorState} = yield call(checkEditorState, action.data)
if (updated) {
yield put({ type: actionTypes.UPDATE_EDITOR_STATE, data: editorState })
}
}
export default function* saga() {
yield all([
takeLatest(actionTypes.CHECK_EDITOR_STATE, checkEditor)
]);
}
import * as actionTypes from './rteActionTypes';
import {
EditorState,
CompositeDecorator,
convertFromRaw
} from 'draft-js';
const initialState = {
editorState: EditorState.createEmpty(decorator),
};
export default (state = initialState, action) => {
switch (action.type) {
case actionTypes.UPDATE_EDITOR_STATE:
return {
...state,
editorState: action.data
};
...
}
}