dipend
Version:
This library implements a dependency injection (DI) system in JavaScript/TypeScript, making it easier to manage dependencies in modular applications.
57 lines (55 loc) • 2.87 kB
JavaScript
/*
* Copyright 2025 Saulo V. Alvarenga. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.MetadataHelper = void 0;
const enums_1 = require("../enums");
class MetadataHelper {
static setClassMetadataObjectIfNotExist(classConstructor) {
classConstructor[enums_1.MetadataEnum.CLASS_METADATA] ??= {};
}
static getAllClassMetadata(classConstructor) {
MetadataHelper.setClassMetadataObjectIfNotExist(classConstructor);
return classConstructor[enums_1.MetadataEnum.CLASS_METADATA];
}
static getClassMetadata(classConstructor, metadata) {
MetadataHelper.setClassMetadataObjectIfNotExist(classConstructor);
return classConstructor[enums_1.MetadataEnum.CLASS_METADATA][metadata];
}
static setClassMetadata(classConstructor, metadata, value) {
MetadataHelper.setClassMetadataObjectIfNotExist(classConstructor);
classConstructor[enums_1.MetadataEnum.CLASS_METADATA][metadata] = value;
}
static getConstructorParamsMetadata(classConstructor) {
return MetadataHelper.getClassMetadata(classConstructor, enums_1.MetadataEnum.CONSTRUCTOR_PARAM_TYPES_METADATA);
}
static getSpecificConstructorParamsMetadata(classConstructor, index) {
return MetadataHelper.getClassMetadata(classConstructor, enums_1.MetadataEnum.CONSTRUCTOR_PARAM_TYPES_METADATA)?.[index];
}
static setConstructorParamsMetadata(classConstructor, constructorParams) {
MetadataHelper.setClassMetadataObjectIfNotExist(classConstructor);
classConstructor[enums_1.MetadataEnum.CLASS_METADATA][enums_1.MetadataEnum.CONSTRUCTOR_PARAM_TYPES_METADATA] = constructorParams;
}
static setSpecificConstructorParamsMetadata(classConstructor, index, constructorParam) {
MetadataHelper.setClassMetadataObjectIfNotExist(classConstructor);
if (MetadataHelper.getClassMetadata(classConstructor, enums_1.MetadataEnum.CONSTRUCTOR_PARAM_TYPES_METADATA) === undefined) {
MetadataHelper.setConstructorParamsMetadata(classConstructor, []);
}
classConstructor[enums_1.MetadataEnum.CLASS_METADATA][enums_1.MetadataEnum.CONSTRUCTOR_PARAM_TYPES_METADATA][index] =
constructorParam;
}
}
exports.MetadataHelper = MetadataHelper;