element-plus/es/components/form/src/form-item2.mjs.map

A Component Library for Vue 3

{"version":3,"file":"form-item2.mjs","names":[],"sources":["../../../../../../packages/components/form/src/form-item.vue"],"sourcesContent":["<template>\n  <div\n    ref=\"formItemRef\"\n    :class=\"formItemClasses\"\n    :role=\"isGroup ? 'group' : undefined\"\n    :aria-labelledby=\"isGroup ? labelId : undefined\"\n  >\n    <form-label-wrap\n      :is-auto-width=\"labelStyle.width === 'auto'\"\n      :update-all=\"formContext?.labelWidth === 'auto'\"\n    >\n      <component\n        :is=\"labelFor ? 'label' : 'div'\"\n        v-if=\"!!(label || $slots.label)\"\n        :id=\"labelId\"\n        :for=\"labelFor\"\n        :class=\"ns.e('label')\"\n        :style=\"labelStyle\"\n      >\n        <slot name=\"label\" :label=\"currentLabel\">\n          {{ currentLabel }}\n        </slot>\n      </component>\n    </form-label-wrap>\n\n    <div :class=\"ns.e('content')\" :style=\"contentStyle\">\n      <slot />\n      <transition-group :name=\"`${ns.namespace.value}-zoom-in-top`\">\n        <slot v-if=\"shouldShowError\" name=\"error\" :error=\"validateMessage\">\n          <div :class=\"validateClasses\">\n            {{ validateMessage }}\n          </div>\n        </slot>\n      </transition-group>\n    </div>\n  </div>\n</template>\n\n<script lang=\"ts\" setup>\nimport {\n  computed,\n  inject,\n  nextTick,\n  onBeforeUnmount,\n  onMounted,\n  provide,\n  reactive,\n  ref,\n  toRefs,\n  useSlots,\n  watch,\n} from 'vue'\nimport AsyncValidator from 'async-validator'\nimport { refDebounced } from '@vueuse/core'\nimport {\n  addUnit,\n  ensureArray,\n  getProp,\n  isArray,\n  isBoolean,\n  isFunction,\n} from '@element-plus/utils'\nimport { useId, useNamespace } from '@element-plus/hooks'\nimport { useFormSize } from './hooks'\nimport FormLabelWrap from './form-label-wrap'\nimport { formContextKey, formItemContextKey } from './constants'\nimport { cloneDeep } from 'lodash-unified'\n\nimport type { CSSProperties } from 'vue'\nimport type { RuleItem } from 'async-validator'\nimport type { Arrayable } from '@element-plus/utils'\nimport type {\n  FormItemContext,\n  FormItemRule,\n  FormValidateFailure,\n} from './types'\nimport type { FormItemProps, FormItemValidateState } from './form-item'\n\ndefineOptions({\n  name: 'ElFormItem',\n})\nconst props = withDefaults(defineProps<FormItemProps>(), {\n  labelPosition: '',\n  showMessage: true,\n  required: undefined,\n  inlineMessage: undefined,\n})\nconst slots = useSlots()\n\nconst formContext = inject(formContextKey, undefined)\nconst parentFormItemContext = inject(formItemContextKey, undefined)\n\nconst _size = useFormSize(undefined, { formItem: false })\nconst ns = useNamespace('form-item')\n\nconst labelId = useId().value\nconst inputIds = ref<string[]>([])\n\nconst validateState = ref<FormItemValidateState>('')\nconst validateStateDebounced = refDebounced(validateState, 100)\nconst validateMessage = ref('')\nconst formItemRef = ref<HTMLDivElement>()\n// special inline value.\nlet initialValue: any = undefined\nlet isResettingField = false\n\nconst labelPosition = computed(\n  () => props.labelPosition || formContext?.labelPosition\n)\n\nconst labelStyle = computed<CSSProperties>(() => {\n  if (labelPosition.value === 'top') {\n    return {}\n  }\n\n  const labelWidth = addUnit(props.labelWidth ?? formContext?.labelWidth)\n  return { width: labelWidth }\n})\n\nconst contentStyle = computed<CSSProperties>(() => {\n  if (labelPosition.value === 'top' || formContext?.inline) {\n    return {}\n  }\n  if (!props.label && !props.labelWidth && isNested) {\n    return {}\n  }\n  const labelWidth = addUnit(props.labelWidth ?? formContext?.labelWidth)\n  if (!props.label && !slots.label) {\n    return { marginLeft: labelWidth }\n  }\n  return {}\n})\n\nconst formItemClasses = computed(() => [\n  ns.b(),\n  ns.m(_size.value),\n  ns.is('error', validateState.value === 'error'),\n  ns.is('validating', validateState.value === 'validating'),\n  ns.is('success', validateState.value === 'success'),\n  ns.is('required', isRequired.value || props.required),\n  ns.is('no-asterisk', formContext?.hideRequiredAsterisk),\n  formContext?.requireAsteriskPosition === 'right'\n    ? 'asterisk-right'\n    : 'asterisk-left',\n  {\n    [ns.m('feedback')]: formContext?.statusIcon,\n    [ns.m(`label-${labelPosition.value}`)]: labelPosition.value,\n  },\n])\n\nconst _inlineMessage = computed(() =>\n  isBoolean(props.inlineMessage)\n    ? props.inlineMessage\n    : formContext?.inlineMessage || false\n)\n\nconst validateClasses = computed(() => [\n  ns.e('error'),\n  { [ns.em('error', 'inline')]: _inlineMessage.value },\n])\n\nconst propString = computed(() => {\n  if (!props.prop) return ''\n  return isArray(props.prop) ? props.prop.join('.') : props.prop\n})\n\nconst hasLabel = computed<boolean>(() => {\n  return !!(props.label || slots.label)\n})\n\nconst labelFor = computed<string | undefined>(() => {\n  return (\n    props.for ?? (inputIds.value.length === 1 ? inputIds.value[0] : undefined)\n  )\n})\n\nconst isGroup = computed<boolean>(() => {\n  return !labelFor.value && hasLabel.value\n})\n\nconst isNested = !!parentFormItemContext\n\nconst fieldValue = computed(() => {\n  const model = formContext?.model\n  if (!model || !props.prop) {\n    return\n  }\n  return getProp(model, props.prop).value\n})\n\nconst normalizedRules = computed(() => {\n  const { required } = props\n\n  const rules: FormItemRule[] = []\n\n  if (props.rules) {\n    rules.push(...ensureArray(props.rules))\n  }\n\n  const formRules = formContext?.rules\n  if (formRules && props.prop) {\n    const _rules = getProp<Arrayable<FormItemRule> | undefined>(\n      formRules,\n      props.prop\n    ).value\n    if (_rules) {\n      rules.push(...ensureArray(_rules))\n    }\n  }\n\n  if (required !== undefined) {\n    const requiredRules = rules\n      .map((rule, i) => [rule, i] as const)\n      .filter(([rule]) => 'required' in rule)\n\n    if (requiredRules.length > 0) {\n      for (const [rule, i] of requiredRules) {\n        if (rule.required === required) continue\n        rules[i] = { ...rule, required }\n      }\n    } else {\n      rules.push({ required })\n    }\n  }\n\n  return rules\n})\n\nconst validateEnabled = computed(() => normalizedRules.value.length > 0)\n\nconst getFilteredRule = (trigger: string) => {\n  const rules = normalizedRules.value\n  return (\n    rules\n      .filter((rule) => {\n        if (!rule.trigger || !trigger) return true\n        if (isArray(rule.trigger)) {\n          return rule.trigger.includes(trigger)\n        } else {\n          return rule.trigger === trigger\n        }\n      })\n      // exclude trigger\n      // eslint-disable-next-line @typescript-eslint/no-unused-vars\n      .map(({ trigger, ...rule }): RuleItem => rule)\n  )\n}\n\nconst isRequired = computed(() =>\n  normalizedRules.value.some((rule) => rule.required)\n)\n\nconst shouldShowError = computed(\n  () =>\n    validateStateDebounced.value === 'error' &&\n    props.showMessage &&\n    (formContext?.showMessage ?? true)\n)\n\nconst currentLabel = computed(\n  () => `${props.label || ''}${formContext?.labelSuffix || ''}`\n)\n\nconst setValidationState = (state: FormItemValidateState) => {\n  validateState.value = state\n}\n\nconst onValidationFailed = (error: FormValidateFailure) => {\n  const { errors, fields } = error\n  if (!errors || !fields) {\n    console.error(error)\n  }\n\n  setValidationState('error')\n  validateMessage.value = errors\n    ? (errors?.[0]?.message ?? `${props.prop} is required`)\n    : ''\n\n  formContext?.emit('validate', props.prop!, false, validateMessage.value)\n}\n\nconst onValidationSucceeded = () => {\n  setValidationState('success')\n  formContext?.emit('validate', props.prop!, true, '')\n}\n\nconst doValidate = async (rules: RuleItem[]): Promise<true> => {\n  const modelName = propString.value\n  const validator = new AsyncValidator({\n    [modelName]: rules,\n  })\n  return validator\n    .validate({ [modelName]: fieldValue.value }, { firstFields: true })\n    .then(() => {\n      onValidationSucceeded()\n      return true as const\n    })\n    .catch((err: FormValidateFailure) => {\n      onValidationFailed(err)\n      return Promise.reject(err)\n    })\n}\n\nconst validate: FormItemContext['validate'] = async (trigger, callback) => {\n  // skip validation if its resetting\n  if (isResettingField || !props.prop) {\n    return false\n  }\n\n  const hasCallback = isFunction(callback)\n  if (!validateEnabled.value) {\n    callback?.(false)\n    return false\n  }\n\n  const rules = getFilteredRule(trigger)\n  if (rules.length === 0) {\n    callback?.(true)\n    return true\n  }\n\n  setValidationState('validating')\n\n  return doValidate(rules)\n    .then(() => {\n      callback?.(true)\n      return true as const\n    })\n    .catch((err: FormValidateFailure) => {\n      const { fields } = err\n      callback?.(false, fields)\n      return hasCallback ? false : Promise.reject(fields)\n    })\n}\n\nconst clearValidate: FormItemContext['clearValidate'] = () => {\n  setValidationState('')\n  validateMessage.value = ''\n  isResettingField = false\n}\n\nconst resetField: FormItemContext['resetField'] = async () => {\n  const model = formContext?.model\n  if (!model || !props.prop) return\n\n  const computedValue = getProp(model, props.prop)\n\n  // prevent validation from being triggered\n  isResettingField = true\n\n  computedValue.value = cloneDeep(initialValue)\n\n  await nextTick()\n  clearValidate()\n\n  isResettingField = false\n}\n\nconst addInputId: FormItemContext['addInputId'] = (id: string) => {\n  if (!inputIds.value.includes(id)) {\n    inputIds.value.push(id)\n  }\n}\n\nconst removeInputId: FormItemContext['removeInputId'] = (id: string) => {\n  inputIds.value = inputIds.value.filter((listId) => listId !== id)\n}\n\nconst setInitialValue: FormItemContext['setInitialValue'] = (value: any) => {\n  initialValue = cloneDeep(value)\n}\n\nwatch(\n  () => props.error,\n  (val) => {\n    validateMessage.value = val || ''\n    setValidationState(val ? 'error' : '')\n  },\n  { immediate: true }\n)\n\nwatch(\n  () => props.validateStatus,\n  (val) => setValidationState(val || '')\n)\n\nconst context: FormItemContext = reactive({\n  ...toRefs(props),\n  $el: formItemRef,\n  size: _size,\n  validateMessage,\n  validateState,\n  labelId,\n  inputIds,\n  isGroup,\n  hasLabel,\n  fieldValue,\n  addInputId,\n  removeInputId,\n  resetField,\n  clearValidate,\n  validate,\n  propString,\n  setInitialValue,\n})\n\nprovide(formItemContextKey, context)\n\nonMounted(() => {\n  if (props.prop) {\n    setInitialValue(fieldValue.value)\n    formContext?.addField(context)\n  }\n})\n\nonBeforeUnmount(() => {\n  formContext?.removeField(context)\n})\n\ndefineExpose({\n  /**\n   * @description Form item size.\n   */\n  size: _size,\n  /**\n   * @description Validation message.\n   */\n  validateMessage,\n  /**\n   * @description Validation state.\n   */\n  validateState,\n  /**\n   * @description Validate form item.\n   */\n  validate,\n  /**\n   * @description Remove validation status of the field.\n   */\n  clearValidate,\n  /**\n   * @description Reset current field and remove validation result.\n   */\n  resetField,\n  /**\n   * @description Set initial value for this field. When `resetField` is called, the field will reset to this value.\n   */\n  setInitialValue,\n})\n</script>\n"],"mappings":""}