node-web-mvc/dist/servlets/annotations/annotation/ElementType.js

node spring mvc

"use strict";
/**
 * @module ElementType
 * @description 注解类范围枚举
 */
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.reflectAnnotationType = reflectAnnotationType;
exports.checkAnnotation = checkAnnotation;
const AnnotationElementTypeError_1 = __importDefault(require("../../../errors/AnnotationElementTypeError"));
const Javascript_1 = __importDefault(require("../../../interface/Javascript"));
var ElementType;
(function (ElementType) {
    /**
     * 标识注解可以使用在 类上
     */
    ElementType["TYPE"] = "TYPE";
    /**
     * 标识注解可以使用在 类函数上
     */
    ElementType["METHOD"] = "METHOD";
    /**
     * 标识注解可以使用在函数参数
     */
    ElementType["PARAMETER"] = "PARAMETER";
    /**
     * 标识注解可以使用在 class的属性上
     */
    ElementType["PROPERTY"] = "PROPERTY";
})(ElementType || (ElementType = {}));
function isPropertyDescritpor(descriptor) {
    if (descriptor && typeof descriptor === 'object') {
        return 'get' in descriptor && 'set' in descriptor;
    }
}
function reflectAnnotationType(options) {
    if (!options || options.length < 0 || options.length > 3 || !options[0]) {
        return 'UNKNOW';
    }
    const length = options.length;
    const [target, name, descriptor] = options;
    const clazz = length == 1 ? target : target === null || target === void 0 ? void 0 : target.constructor;
    const isClass = Javascript_1.default.isClass(clazz);
    if (!isClass) {
        // 如果不是作用在class上则直接判定为未知
        return 'UNKNOW';
    }
    if (length === 1) {
        return ElementType.TYPE;
    }
    else if (length === 3 && (descriptor === undefined || isPropertyDescritpor(descriptor))) {
        return ElementType.PROPERTY;
    }
    else if (length === 3) {
        const isNumber = typeof descriptor === 'number';
        return isNumber ? ElementType.PARAMETER : ElementType.METHOD;
    }
    return 'UNKNOW';
}
function checkAnnotation(types, options, name) {
    const elementType = reflectAnnotationType(options);
    if (types.length > 0 && types.indexOf(elementType) < 0) {
        throw new AnnotationElementTypeError_1.default(name, types, elementType);
    }
    return elementType;
}
exports.default = ElementType;