element-plus/lib/components/form/src/form-item2.js

A Component Library for Vue 3

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var vue = require('vue');
var AsyncValidator = require('async-validator');
var lodashUnified = require('lodash-unified');
var core = require('@vueuse/core');
var formItem = require('./form-item.js');
var formLabelWrap = require('./form-label-wrap.js');
var constants = require('./constants.js');
var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');
var objects = require('../../../utils/objects.js');
var useFormCommonProps = require('./hooks/use-form-common-props.js');
var index = require('../../../hooks/use-namespace/index.js');
var index$1 = require('../../../hooks/use-id/index.js');
var style = require('../../../utils/dom/style.js');
var types = require('../../../utils/types.js');
var shared = require('@vue/shared');

function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

var AsyncValidator__default = /*#__PURE__*/_interopDefaultLegacy(AsyncValidator);

const __default__ = vue.defineComponent({
  name: "ElFormItem"
});
const _sfc_main = /* @__PURE__ */ vue.defineComponent({
  ...__default__,
  props: formItem.formItemProps,
  setup(__props, { expose }) {
    const props = __props;
    const slots = vue.useSlots();
    const formContext = vue.inject(constants.formContextKey, void 0);
    const parentFormItemContext = vue.inject(constants.formItemContextKey, void 0);
    const _size = useFormCommonProps.useFormSize(void 0, { formItem: false });
    const ns = index.useNamespace("form-item");
    const labelId = index$1.useId().value;
    const inputIds = vue.ref([]);
    const validateState = vue.ref("");
    const validateStateDebounced = core.refDebounced(validateState, 100);
    const validateMessage = vue.ref("");
    const formItemRef = vue.ref();
    let initialValue = void 0;
    let isResettingField = false;
    const labelPosition = vue.computed(() => props.labelPosition || (formContext == null ? void 0 : formContext.labelPosition));
    const labelStyle = vue.computed(() => {
      if (labelPosition.value === "top") {
        return {};
      }
      const labelWidth = style.addUnit(props.labelWidth || (formContext == null ? void 0 : formContext.labelWidth) || "");
      if (labelWidth)
        return { width: labelWidth };
      return {};
    });
    const contentStyle = vue.computed(() => {
      if (labelPosition.value === "top" || (formContext == null ? void 0 : formContext.inline)) {
        return {};
      }
      if (!props.label && !props.labelWidth && isNested) {
        return {};
      }
      const labelWidth = style.addUnit(props.labelWidth || (formContext == null ? void 0 : formContext.labelWidth) || "");
      if (!props.label && !slots.label) {
        return { marginLeft: labelWidth };
      }
      return {};
    });
    const formItemClasses = vue.computed(() => [
      ns.b(),
      ns.m(_size.value),
      ns.is("error", validateState.value === "error"),
      ns.is("validating", validateState.value === "validating"),
      ns.is("success", validateState.value === "success"),
      ns.is("required", isRequired.value || props.required),
      ns.is("no-asterisk", formContext == null ? void 0 : formContext.hideRequiredAsterisk),
      (formContext == null ? void 0 : formContext.requireAsteriskPosition) === "right" ? "asterisk-right" : "asterisk-left",
      {
        [ns.m("feedback")]: formContext == null ? void 0 : formContext.statusIcon,
        [ns.m(`label-${labelPosition.value}`)]: labelPosition.value
      }
    ]);
    const _inlineMessage = vue.computed(() => types.isBoolean(props.inlineMessage) ? props.inlineMessage : (formContext == null ? void 0 : formContext.inlineMessage) || false);
    const validateClasses = vue.computed(() => [
      ns.e("error"),
      { [ns.em("error", "inline")]: _inlineMessage.value }
    ]);
    const propString = vue.computed(() => {
      if (!props.prop)
        return "";
      return shared.isString(props.prop) ? props.prop : props.prop.join(".");
    });
    const hasLabel = vue.computed(() => {
      return !!(props.label || slots.label);
    });
    const labelFor = vue.computed(() => {
      return props.for || (inputIds.value.length === 1 ? inputIds.value[0] : void 0);
    });
    const isGroup = vue.computed(() => {
      return !labelFor.value && hasLabel.value;
    });
    const isNested = !!parentFormItemContext;
    const fieldValue = vue.computed(() => {
      const model = formContext == null ? void 0 : formContext.model;
      if (!model || !props.prop) {
        return;
      }
      return objects.getProp(model, props.prop).value;
    });
    const normalizedRules = vue.computed(() => {
      const { required } = props;
      const rules = [];
      if (props.rules) {
        rules.push(...lodashUnified.castArray(props.rules));
      }
      const formRules = formContext == null ? void 0 : formContext.rules;
      if (formRules && props.prop) {
        const _rules = objects.getProp(formRules, props.prop).value;
        if (_rules) {
          rules.push(...lodashUnified.castArray(_rules));
        }
      }
      if (required !== void 0) {
        const requiredRules = rules.map((rule, i) => [rule, i]).filter(([rule]) => Object.keys(rule).includes("required"));
        if (requiredRules.length > 0) {
          for (const [rule, i] of requiredRules) {
            if (rule.required === required)
              continue;
            rules[i] = { ...rule, required };
          }
        } else {
          rules.push({ required });
        }
      }
      return rules;
    });
    const validateEnabled = vue.computed(() => normalizedRules.value.length > 0);
    const getFilteredRule = (trigger) => {
      const rules = normalizedRules.value;
      return rules.filter((rule) => {
        if (!rule.trigger || !trigger)
          return true;
        if (shared.isArray(rule.trigger)) {
          return rule.trigger.includes(trigger);
        } else {
          return rule.trigger === trigger;
        }
      }).map(({ trigger: trigger2, ...rule }) => rule);
    };
    const isRequired = vue.computed(() => normalizedRules.value.some((rule) => rule.required));
    const shouldShowError = vue.computed(() => {
      var _a;
      return validateStateDebounced.value === "error" && props.showMessage && ((_a = formContext == null ? void 0 : formContext.showMessage) != null ? _a : true);
    });
    const currentLabel = vue.computed(() => `${props.label || ""}${(formContext == null ? void 0 : formContext.labelSuffix) || ""}`);
    const setValidationState = (state) => {
      validateState.value = state;
    };
    const onValidationFailed = (error) => {
      var _a, _b;
      const { errors, fields } = error;
      if (!errors || !fields) {
        console.error(error);
      }
      setValidationState("error");
      validateMessage.value = errors ? (_b = (_a = errors == null ? void 0 : errors[0]) == null ? void 0 : _a.message) != null ? _b : `${props.prop} is required` : "";
      formContext == null ? void 0 : formContext.emit("validate", props.prop, false, validateMessage.value);
    };
    const onValidationSucceeded = () => {
      setValidationState("success");
      formContext == null ? void 0 : formContext.emit("validate", props.prop, true, "");
    };
    const doValidate = async (rules) => {
      const modelName = propString.value;
      const validator = new AsyncValidator__default["default"]({
        [modelName]: rules
      });
      return validator.validate({ [modelName]: fieldValue.value }, { firstFields: true }).then(() => {
        onValidationSucceeded();
        return true;
      }).catch((err) => {
        onValidationFailed(err);
        return Promise.reject(err);
      });
    };
    const validate = async (trigger, callback) => {
      if (isResettingField || !props.prop) {
        return false;
      }
      const hasCallback = shared.isFunction(callback);
      if (!validateEnabled.value) {
        callback == null ? void 0 : callback(false);
        return false;
      }
      const rules = getFilteredRule(trigger);
      if (rules.length === 0) {
        callback == null ? void 0 : callback(true);
        return true;
      }
      setValidationState("validating");
      return doValidate(rules).then(() => {
        callback == null ? void 0 : callback(true);
        return true;
      }).catch((err) => {
        const { fields } = err;
        callback == null ? void 0 : callback(false, fields);
        return hasCallback ? false : Promise.reject(fields);
      });
    };
    const clearValidate = () => {
      setValidationState("");
      validateMessage.value = "";
      isResettingField = false;
    };
    const resetField = async () => {
      const model = formContext == null ? void 0 : formContext.model;
      if (!model || !props.prop)
        return;
      const computedValue = objects.getProp(model, props.prop);
      isResettingField = true;
      computedValue.value = lodashUnified.clone(initialValue);
      await vue.nextTick();
      clearValidate();
      isResettingField = false;
    };
    const addInputId = (id) => {
      if (!inputIds.value.includes(id)) {
        inputIds.value.push(id);
      }
    };
    const removeInputId = (id) => {
      inputIds.value = inputIds.value.filter((listId) => listId !== id);
    };
    vue.watch(() => props.error, (val) => {
      validateMessage.value = val || "";
      setValidationState(val ? "error" : "");
    }, { immediate: true });
    vue.watch(() => props.validateStatus, (val) => setValidationState(val || ""));
    const context = vue.reactive({
      ...vue.toRefs(props),
      $el: formItemRef,
      size: _size,
      validateState,
      labelId,
      inputIds,
      isGroup,
      hasLabel,
      fieldValue,
      addInputId,
      removeInputId,
      resetField,
      clearValidate,
      validate
    });
    vue.provide(constants.formItemContextKey, context);
    vue.onMounted(() => {
      if (props.prop) {
        formContext == null ? void 0 : formContext.addField(context);
        initialValue = lodashUnified.clone(fieldValue.value);
      }
    });
    vue.onBeforeUnmount(() => {
      formContext == null ? void 0 : formContext.removeField(context);
    });
    expose({
      size: _size,
      validateMessage,
      validateState,
      validate,
      clearValidate,
      resetField
    });
    return (_ctx, _cache) => {
      var _a;
      return vue.openBlock(), vue.createElementBlock("div", {
        ref_key: "formItemRef",
        ref: formItemRef,
        class: vue.normalizeClass(vue.unref(formItemClasses)),
        role: vue.unref(isGroup) ? "group" : void 0,
        "aria-labelledby": vue.unref(isGroup) ? vue.unref(labelId) : void 0
      }, [
        vue.createVNode(vue.unref(formLabelWrap["default"]), {
          "is-auto-width": vue.unref(labelStyle).width === "auto",
          "update-all": ((_a = vue.unref(formContext)) == null ? void 0 : _a.labelWidth) === "auto"
        }, {
          default: vue.withCtx(() => [
            vue.unref(hasLabel) ? (vue.openBlock(), vue.createBlock(vue.resolveDynamicComponent(vue.unref(labelFor) ? "label" : "div"), {
              key: 0,
              id: vue.unref(labelId),
              for: vue.unref(labelFor),
              class: vue.normalizeClass(vue.unref(ns).e("label")),
              style: vue.normalizeStyle(vue.unref(labelStyle))
            }, {
              default: vue.withCtx(() => [
                vue.renderSlot(_ctx.$slots, "label", { label: vue.unref(currentLabel) }, () => [
                  vue.createTextVNode(vue.toDisplayString(vue.unref(currentLabel)), 1)
                ])
              ]),
              _: 3
            }, 8, ["id", "for", "class", "style"])) : vue.createCommentVNode("v-if", true)
          ]),
          _: 3
        }, 8, ["is-auto-width", "update-all"]),
        vue.createElementVNode("div", {
          class: vue.normalizeClass(vue.unref(ns).e("content")),
          style: vue.normalizeStyle(vue.unref(contentStyle))
        }, [
          vue.renderSlot(_ctx.$slots, "default"),
          vue.createVNode(vue.TransitionGroup, {
            name: `${vue.unref(ns).namespace.value}-zoom-in-top`
          }, {
            default: vue.withCtx(() => [
              vue.unref(shouldShowError) ? vue.renderSlot(_ctx.$slots, "error", {
                key: 0,
                error: validateMessage.value
              }, () => [
                vue.createElementVNode("div", {
                  class: vue.normalizeClass(vue.unref(validateClasses))
                }, vue.toDisplayString(validateMessage.value), 3)
              ]) : vue.createCommentVNode("v-if", true)
            ]),
            _: 3
          }, 8, ["name"])
        ], 6)
      ], 10, ["role", "aria-labelledby"]);
    };
  }
});
var FormItem = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["__file", "form-item.vue"]]);

exports["default"] = FormItem;
//# sourceMappingURL=form-item2.js.map