@iebh/bootstrap-vue/esm/utils/props.js

With more than 85 components, over 45 available plugins, several directives, and 1000+ icons, BootstrapVue provides one of the most comprehensive implementations of the Bootstrap v4 component and grid system available for Vue.js v2.6, complete with extens

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

import { PROP_TYPE_ANY } from '../constants/props';
import { cloneDeep } from './clone-deep';
import { getComponentConfig } from './config';
import { identity } from './identity';
import { isArray, isFunction, isObject, isUndefined } from './inspect';
import { clone, hasOwnProperty, keys } from './object';
import { lowerFirst, upperFirst } from './string'; // Prefix a property

export var prefixPropName = function prefixPropName(prefix, value) {
  return prefix + upperFirst(value);
}; // Remove a prefix from a property

export var unprefixPropName = function unprefixPropName(prefix, value) {
  return lowerFirst(value.replace(prefix, ''));
}; // Suffix can be a falsey value so nothing is appended to string
// (helps when looping over props & some shouldn't change)
// Use data last parameters to allow for currying

export var suffixPropName = function suffixPropName(suffix, value) {
  return value + (suffix ? upperFirst(suffix) : '');
}; // Generates a prop object

export var makeProp = function makeProp() {
  var type = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : PROP_TYPE_ANY;
  var value = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : undefined;
  var requiredOrValidator = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : undefined;
  var validator = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : undefined;
  var required = requiredOrValidator === true;
  validator = required ? validator : requiredOrValidator;
  return _objectSpread(_objectSpread(_objectSpread({}, type ? {
    type: type
  } : {}), required ? {
    required: required
  } : isUndefined(value) ? {} : {
    default: isObject(value) ? function () {
      return value;
    } : value
  }), isUndefined(validator) ? {} : {
    validator: validator
  });
}; // Copies props from one array/object to a new array/object
// Prop values are also cloned as new references to prevent possible
// mutation of original prop object values
// Optionally accepts a function to transform the prop name

export var copyProps = function copyProps(props) {
  var transformFn = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : identity;

  if (isArray(props)) {
    return props.map(transformFn);
  }

  var copied = {};

  for (var prop in props) {
    /* istanbul ignore else */
    if (hasOwnProperty(props, prop)) {
      // If the prop value is an object, do a shallow clone
      // to prevent potential mutations to the original object
      copied[transformFn(prop)] = isObject(props[prop]) ? clone(props[prop]) : props[prop];
    }
  }

  return copied;
}; // Given an array of properties or an object of property keys,
// plucks all the values off the target object, returning a new object
// that has props that reference the original prop values

export var pluckProps = function pluckProps(keysToPluck, objToPluck) {
  var transformFn = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : identity;
  return (isArray(keysToPluck) ? keysToPluck.slice() : keys(keysToPluck)).reduce(function (memo, prop) {
    memo[transformFn(prop)] = objToPluck[prop];
    return memo;
  }, {});
}; // Make a prop object configurable by global configuration
// Replaces the current `default` key of each prop with a `getComponentConfig()`
// call that falls back to the current default value of the prop

export var makePropConfigurable = function makePropConfigurable(prop, key, componentKey) {
  return _objectSpread(_objectSpread({}, cloneDeep(prop)), {}, {
    default: function bvConfigurablePropDefault() {
      var value = getComponentConfig(componentKey, key, prop.default);
      return isFunction(value) ? value() : value;
    }
  });
}; // Make a props object configurable by global configuration
// Replaces the current `default` key of each prop with a `getComponentConfig()`
// call that falls back to the current default value of the prop

export var makePropsConfigurable = function makePropsConfigurable(props, componentKey) {
  return keys(props).reduce(function (result, key) {
    return _objectSpread(_objectSpread({}, result), {}, _defineProperty({}, key, makePropConfigurable(props[key], key, componentKey)));
  }, {});
}; // Get function name we use in `makePropConfigurable()`
// for the prop default value override to compare
// against in `hasPropFunction()`

var configurablePropDefaultFnName = makePropConfigurable({}, '', '').default.name; // Detect wether the given value is currently a function
// and isn't the props default function

export var hasPropFunction = function hasPropFunction(fn) {
  return isFunction(fn) && fn.name !== configurablePropDefaultFnName;
};