tmagic-editor/packages/editor/src/hooks/use-editor-content-height.ts

import { computed, inject, ref, watch } from 'vue';

import type { Services } from '@editor/type';

export const useEditorContentHeight = () => {
  const services = inject<Services>('services');
  const frameworkHeight = computed(() => services?.uiService.get('frameworkRect').height || 0);
  const navMenuHeight = computed(() => services?.uiService.get('navMenuRect').height || 0);
  const editorContentHeight = computed(() => frameworkHeight.value - navMenuHeight.value);

  const height = ref(0);
  watch(
    editorContentHeight,
    () => {
      if (height.value > 0 && height.value === editorContentHeight.value) return;
      height.value = editorContentHeight.value;
    },
    {
      immediate: true,
    },
  );

  return {
    height,
  };
};