element-plus/es/utils/vue/props.mjs

A Component Library for Vue 3

import { warn } from 'vue';
import { fromPairs } from 'lodash-unified';
import '../types.mjs';
import '../objects.mjs';
import { isObject, hasOwn } from '@vue/shared';

const wrapperKey = Symbol();
const propKey = "__elPropsReservedKey";
function buildProp(option, key) {
  if (!isObject(option) || !!option[propKey])
    return option;
  const { values, required, default: defaultValue, type, validator } = option;
  const _validator = values || validator ? (val) => {
    let valid = false;
    let allowedValues = [];
    if (values) {
      allowedValues = Array.from(values);
      if (hasOwn(option, "default")) {
        allowedValues.push(defaultValue);
      }
      valid || (valid = allowedValues.includes(val));
    }
    if (validator)
      valid || (valid = validator(val));
    if (!valid && allowedValues.length > 0) {
      const allowValuesText = [...new Set(allowedValues)].map((value) => JSON.stringify(value)).join(", ");
      warn(`Invalid prop: validation failed${key ? ` for prop "${key}"` : ""}. Expected one of [${allowValuesText}], got value ${JSON.stringify(val)}.`);
    }
    return valid;
  } : void 0;
  const prop = {
    type: isObject(type) && Object.getOwnPropertySymbols(type).includes(wrapperKey) ? type[wrapperKey] : type,
    required: !!required,
    validator: _validator,
    [propKey]: true
  };
  if (hasOwn(option, "default"))
    prop.default = defaultValue;
  return prop;
}
const buildProps = (props) => fromPairs(Object.entries(props).map(([key, option]) => [
  key,
  buildProp(option, key)
]));
const definePropType = (val) => ({ [wrapperKey]: val });

export { buildProp, buildProps, definePropType, propKey };
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