go-view/src/components/Pages/MonacoEditor/index.hook.ts

import * as monaco from 'monaco-editor/esm/vs/editor/editor.api.js'

export const useMonacoEditor = (language = 'json') => {
  let monacoEditor: monaco.editor.IStandaloneCodeEditor | null = null
  let initReadOnly = false
  const updateVal = async (val: string) => {
    monacoEditor?.setValue(val)
    setTimeout(async () => {
      initReadOnly && monacoEditor?.updateOptions({ readOnly: false })
      // await monacoEditor?.getAction('editor.action.formatDocument')?.run()
      initReadOnly && monacoEditor?.updateOptions({ readOnly: true })
    }, 100)
  }

  const createEditor = (
    el: HTMLElement | null,
    editorOption: monaco.editor.IStandaloneEditorConstructionOptions = {}
  ) => {
    if (monacoEditor) {
      return
    }
    initReadOnly = !!editorOption.readOnly
    monacoEditor =
      el &&
      monaco.editor.create(el, {
        language,
        minimap: { enabled: false },
        theme: 'vs-dark',
        multiCursorModifier: 'ctrlCmd',
        scrollbar: {
          verticalScrollbarSize: 8,
          horizontalScrollbarSize: 8
        },
        tabSize: 2,
        automaticLayout: true, // 自适应宽高
        ...editorOption
      })
    return monacoEditor
  }
  const onFormatDoc = () => {
    monacoEditor?.getAction('editor.action.formatDocument').run()
  }
  return {
    updateVal,
    getEditor: () => monacoEditor,
    createEditor,
    onFormatDoc
  }
}