enum-plus
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A drop-in replacement for native enum. Like native enum but much better!
235 lines (232 loc) • 11.1 kB
JavaScript
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
var _Symbol$toPrimitive;
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import { internalConfig, localizer } from "./global-config.js";
import { IS_ENUM_ITEM } from "./utils.js";
/**
* - **EN:** Represents a single item in an enumeration collection.
* - **CN:** 表示枚举集合中的单个枚举项
*
* @template T Represents the type of the enum item's initialization object | 表示枚举项初始化对象的类型
* @template V Represents the type of the enum item's value (usually string or number) |
* 表示枚举项值的类型（通常是字符串或数字）
* @template K Represents the type of the enum item's key | 表示枚举项键的类型
*/
_Symbol$toPrimitive = Symbol.toPrimitive;
export var EnumItemClass = /*#__PURE__*/function () {
/**
* - **EN:** Creates an instance of EnumItemClass.
* - **CN:** 创建 EnumItemClass 的实例
*
* @param key The key of the enum item | 枚举项键
* @param value The value of the enum item | 枚举项值
* @param label The display name of the enum item | 枚举项显示名称
* @param raw The original initialization object | 原始初始化对象
* @param options Optional settings for the enum item | 枚举项的可选设置
*/
function EnumItemClass(key, value, label, raw, options) {
_classCallCheck(this, EnumItemClass);
_defineProperty(this, "_options", void 0);
_defineProperty(this, "_label", void 0);
// eslint-disable-next-line @typescript-eslint/no-explicit-any
_defineProperty(this, "_localize", void 0);
/**
* - **EN:** The value of the enum item
* - **CN:** 枚举项的值
*/
_defineProperty(this, "value", void 0);
/**
* - **EN:** The label of the enum item (also known as display name)
* - **CN:** 枚举项的标签（亦称显示名称）
*/
_defineProperty(this, "label", void 0);
/**
* - **EN:** The key of the enum item, which is the key in the initialization object when creating
* the enum collection.
* - **CN:** 枚举项的键，即创建枚举集合时初始化对象中的键
*/
_defineProperty(this, "key", void 0);
/**
* - **EN:** The original initialization object of the enum item, which is the sub-object of a
* single enum item when creating the enum collection.
* - **CN:** 枚举项的原始初始化对象，即创建枚举集合时单个枚举项的子对象
*/
_defineProperty(this, "raw", void 0);
this.key = key;
this.value = value;
this.label = label;
this.raw = raw;
// Should use _label instead of label closure, to make sure it can be serialized correctly
Object.defineProperty(this, '_label', {
value: label,
writable: false,
enumerable: false,
configurable: false
});
// Use defineProperties instead of direct field, to:
// 1. Make fields readonly
// 2. Preserve getters after serialized/deserialized
Object.defineProperties(this, {
value: {
value: value,
writable: false,
enumerable: true,
configurable: false
},
label: {
get: function get() {
var _this$_options, _this$_options$autoLa, _this$_options2, _this$_localize;
var labelPrefix = (_this$_options = this._options) === null || _this$_options === void 0 ? void 0 : _this$_options.labelPrefix;
var autoLabel = (_this$_options$autoLa = (_this$_options2 = this._options) === null || _this$_options2 === void 0 ? void 0 : _this$_options2.autoLabel) !== null && _this$_options$autoLa !== void 0 ? _this$_options$autoLa : internalConfig.autoLabel;
var localeKey = this._label;
if (autoLabel && labelPrefix != null) {
if (typeof autoLabel === 'function') {
localeKey = autoLabel({
item: this,
labelPrefix: labelPrefix
});
} else {
localeKey = "".concat(labelPrefix).concat(this._label);
}
}
return (_this$_localize = this._localize(localeKey)) !== null && _this$_localize !== void 0 ? _this$_localize : localeKey;
},
enumerable: true,
configurable: false
},
key: {
value: key,
writable: false,
enumerable: true,
configurable: false
},
raw: {
value: raw,
writable: false,
enumerable: true,
configurable: false
}
});
// Do not use class field here, because don't want print this field in Node.js
Object.defineProperty(this, '_options', {
value: options,
writable: false,
enumerable: false,
configurable: false
});
this._localize = undefined;
Object.defineProperty(this, '_localize', {
value: function value(content) {
var _this$_options$locali, _this$_options3;
var localize = (_this$_options$locali = (_this$_options3 = this._options) === null || _this$_options3 === void 0 ? void 0 : _this$_options3.localize) !== null && _this$_options$locali !== void 0 ? _this$_options$locali : localizer.localize;
if (typeof localize === 'function') {
return localize(content);
}
return content;
},
writable: false,
enumerable: false,
configurable: false
});
Object.freeze(this);
}
_createClass(EnumItemClass, [{
key: IS_ENUM_ITEM,
get:
/**
* - **EN:** A boolean value indicates that this is an enum item instance.
* - **CN:** 布尔值，表示这是一个枚举项实例
*/
// Do not use readonly field here, because don't want print this field in Node.js
// eslint-disable-next-line @typescript-eslint/class-literal-property-style
function get() {
return true;
}
/**
* - **EN:** Auto convert to a correct primitive type. This method is called when the object is used
* in a context that requires a primitive value.
*
* > The priority of this method is higher than both `valueOf` and `toString` methods.
*
* - **CN:** 自动转换为正确的原始类型。当对象被用在需要原始值的上下文中时会调用此方法。
*
* > 此方法的优先级高于 `valueOf` 和 `toString` 方法。
*
* @param hint {'number' | 'string' | 'default'} - A string indicating the preferred type of the
* result | 指示结果的首选类型
*
* @returns The primitive value of the enum item, either its value or label based on the hint |
* 枚举项的原始值，根据提示返回其值或标签
*/
// @ts-expect-error: because don't want show `Symbol` in vscode's intellisense, it should work in background
}, {
key: _Symbol$toPrimitive,
value: function value(hint) {
if (hint === 'number') {
// for the cases like Number(value) or +value
return this.valueOf();
} else if (hint === 'string') {
// for the cases like String(value), `${value}`
return this.toString();
}
// for the cases like '' + value, value == 1
return this.valueOf();
}
/**
* - **EN:** Returns the string representation of the enum item, which is its label. This method is
* called when the object is used in a context that requires a string value, such as string
* concatenation or template literals.
*
* > The priority of this method is lower than the `valueOf` method
*
* - **CN:** 返回枚举项的字符串表示形式，即其显示名称。当对象被用在需要字符串值的上下文中时会调用此方法，例如字符串连接或模板字面量。
*
* > 此方法的优先级低于 `valueOf` 方法
*
* @returns The display name of the enum item | 枚举项的显示名称
*/
}, {
key: "toString",
value: function toString() {
return this.label;
}
/**
* - **EN:** Returns the localized string representation of the enum item, which is its label. This
* method is called when the object is used in a context that requires a localized string value,
* such as `toLocaleString` method.
* - **CN:** 返回枚举项的本地化字符串表示形式，即其显示名称。当对象被用在需要本地化字符串值的上下文中时会调用此方法，例如 `toLocaleString` 方法。
*
* @returns The localized display name of the enum item | 枚举项的本地化显示名称
*/
}, {
key: "toLocaleString",
value: function toLocaleString() {
return this.toString();
}
/**
* - **EN:** Returns the primitive value of the enum item, which is its value. This method is called
* when the object is used in a context that requires a primitive value, such as mathematical
* operations.
*
* > The priority of this method is higher than the `toString` method
*
* - **CN:** 返回枚举项的原始值，即其值。当对象被用在需要原始值的上下文中时会调用此方法，例如数学运算。
*
* > 此方法的优先级高于 `toString` 方法
*
* @returns The value of the enum item | 枚举项的值
*/
}, {
key: "valueOf",
value: function valueOf() {
return this.value;
}
}]);
return EnumItemClass;
}();
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