bootstrap-vue-next/dist/src/composables/useScrollspy/index.mjs.map

BootstrapVueNext is an early and lovely component library for Vue 3 & Nuxt 3 based on Bootstrap 5 and Typescript.

{"version":3,"file":"index.mjs","sources":["../../../../src/composables/useScrollspy/index.ts"],"sourcesContent":["import {syncRef, useIntersectionObserver, useMutationObserver} from '@vueuse/core'\nimport {\n  type ComponentPublicInstance,\n  computed,\n  getCurrentInstance,\n  type MaybeRefOrGetter,\n  nextTick,\n  onMounted,\n  readonly,\n  type Ref,\n  ref,\n  toRef,\n  watch,\n} from 'vue'\nimport {getElement} from '../../utils/getElement'\n\ntype ScrollspyList = {\n  id: string | null\n  el: HTMLElement | null\n  visible: boolean\n  text: string | null\n}[]\n\ninterface ScrollspyReturn {\n  current: Readonly<Ref<string | null>>\n  list: Readonly<Ref<ScrollspyList>>\n  content: Ref<HTMLElement | undefined>\n  target: Ref<HTMLElement | undefined>\n  scrollIntoView: (event: MouseEvent) => void\n  updateList: () => void\n  cleanup: () => void\n}\n\ninterface ScrollspyOptions {\n  contentQuery: string\n  targetQuery: string\n  manual: boolean\n  root: string | ComponentPublicInstance | HTMLElement | null\n  rootMargin: string\n  threshold: number | number[]\n  watchChanges: boolean\n}\n\nexport const useScrollspy = (\n  content: MaybeRefOrGetter<string | ComponentPublicInstance | HTMLElement | null>,\n  target: MaybeRefOrGetter<string | ComponentPublicInstance | HTMLElement | null>,\n  options: Readonly<Partial<ScrollspyOptions>> = {}\n): ScrollspyReturn => {\n  const cont = toRef(content)\n  const tar = toRef(target)\n\n  const resolvedContent = ref(getElement(cont.value))\n  const resolvedTarget = ref(getElement(tar.value))\n\n  watch([cont, tar], () => {\n    updateList()\n  })\n  const {\n    contentQuery = ':scope > [id]',\n    targetQuery = '[href]',\n    manual = false,\n    root,\n    rootMargin = '0px 0px -25%',\n    threshold = [0.1, 0.5, 1],\n    watchChanges = true,\n  } = options\n  const current = ref<string | null>(null)\n  const list = ref<ScrollspyList>([])\n  const nodeList = ref<HTMLElement[]>([])\n\n  // are we called in directive?\n  const ctx = getCurrentInstance()\n  if (!ctx) {\n    nextTick(() => {\n      updateList()\n    })\n  } else {\n    onMounted(() => {\n      syncRef(cont, resolvedContent, {\n        transform: {\n          ltr: (v) => getElement(v),\n        },\n        direction: 'ltr',\n        immediate: true,\n      })\n      syncRef(tar, resolvedTarget, {\n        transform: {\n          ltr: (v) => getElement(v),\n        },\n        direction: 'ltr',\n        immediate: true,\n      })\n      updateList()\n    })\n  }\n\n  const updateList = () => {\n    nodeList.value = resolvedContent.value\n      ? 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