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| 0.0.38 | ||
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| declare class JSONLoader { | ||
| /** | ||
| * Asynchronously loads JSON data from a file and returns it as an object. | ||
| * @param filePath The path to the JSON file. | ||
| * @returns A promise that resolves to an object containing the JSON data. | ||
| */ | ||
| loadJSON<T>(filePath: string): Promise<T>; | ||
| /** | ||
| * Asynchronously loads all JSON files from a given directory. | ||
| * @param dirPath The path to the directory containing JSON files. | ||
| * @returns A promise that resolves to an array of objects containing the JSON data. | ||
| */ | ||
| loadJSONFromDirectory<T>(dirPath: string): Promise<T[]>; | ||
| /** | ||
| * Merges an array of objects into a single object. | ||
| * @param objects An array of objects to merge. | ||
| * @returns A single object containing all properties from the input objects. | ||
| */ | ||
| mergeJSONObjects<T>(objects: T[]): Promise<T>; | ||
| } | ||
| export default JSONLoader; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| "use strict"; | ||
| // class/JSONLoader.ts | ||
| var __importDefault = (this && this.__importDefault) || function (mod) { | ||
| return (mod && mod.__esModule) ? mod : { "default": mod }; | ||
| }; | ||
| Object.defineProperty(exports, "__esModule", { value: true }); | ||
| // Copyright 2023 Scape Agency BV | ||
| // 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. | ||
| // ============================================================================ | ||
| // Import | ||
| // ============================================================================ | ||
| var fs_1 = require("fs"); | ||
| var path_1 = __importDefault(require("path")); | ||
| // ============================================================================ | ||
| // Classes | ||
| // ============================================================================ | ||
| class JSONLoader { | ||
| /** | ||
| * Asynchronously loads JSON data from a file and returns it as an object. | ||
| * @param filePath The path to the JSON file. | ||
| * @returns A promise that resolves to an object containing the JSON data. | ||
| */ | ||
| async loadJSON(filePath) { | ||
| try { | ||
| const data = await fs_1.promises.readFile(filePath, 'utf8'); | ||
| return JSON.parse(data); | ||
| } | ||
| catch (error) { | ||
| console.error(`Error reading JSON file: ${filePath}`, error); | ||
| throw error; | ||
| } | ||
| } | ||
| /** | ||
| * Asynchronously loads all JSON files from a given directory. | ||
| * @param dirPath The path to the directory containing JSON files. | ||
| * @returns A promise that resolves to an array of objects containing the JSON data. | ||
| */ | ||
| async loadJSONFromDirectory(dirPath) { | ||
| try { | ||
| const files = await fs_1.promises.readdir(dirPath); | ||
| const jsonFiles = files.filter(file => file.endsWith('.json')); | ||
| const jsonData = await Promise.all(jsonFiles.map(file => this.loadJSON(path_1.default.join(dirPath, file)))); | ||
| return jsonData; | ||
| } | ||
| catch (error) { | ||
| console.error(`Error reading JSON files from directory: ${dirPath}`, error); | ||
| throw error; | ||
| } | ||
| } | ||
| /** | ||
| * Merges an array of objects into a single object. | ||
| * @param objects An array of objects to merge. | ||
| * @returns A single object containing all properties from the input objects. | ||
| */ | ||
| async mergeJSONObjects(objects) { | ||
| return objects.reduce((acc, obj) => ({ ...acc, ...obj }), {}); | ||
| } | ||
| } | ||
| // ============================================================================ | ||
| // Export | ||
| // ============================================================================ | ||
| exports.default = JSONLoader; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| // class/JSONLoader.ts | ||
|
|
||
| // Copyright 2023 Scape Agency BV | ||
|
|
||
| // 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. | ||
|
|
||
|
|
||
| // ============================================================================ | ||
| // Import | ||
| // ============================================================================ | ||
|
|
||
| import { promises as fs } from 'fs'; | ||
| import path from 'path'; | ||
|
|
||
|
|
||
| // ============================================================================ | ||
| // Classes | ||
| // ============================================================================ | ||
|
|
||
| class JSONLoader { | ||
| /** | ||
| * Asynchronously loads JSON data from a file and returns it as an object. | ||
| * @param filePath The path to the JSON file. | ||
| * @returns A promise that resolves to an object containing the JSON data. | ||
| */ | ||
| async loadJSON<T>(filePath: string): Promise<T> { | ||
| try { | ||
| const data = await fs.readFile(filePath, 'utf8'); | ||
| return JSON.parse(data) as T; | ||
| } catch (error) { | ||
| console.error(`Error reading JSON file: ${filePath}`, error); | ||
| throw error; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Asynchronously loads all JSON files from a given directory. | ||
| * @param dirPath The path to the directory containing JSON files. | ||
| * @returns A promise that resolves to an array of objects containing the JSON data. | ||
| */ | ||
| async loadJSONFromDirectory<T>(dirPath: string): Promise<T[]> { | ||
| try { | ||
| const files = await fs.readdir(dirPath); | ||
| const jsonFiles = files.filter(file => file.endsWith('.json')); | ||
|
|
||
| const jsonData = await Promise.all( | ||
| jsonFiles.map(file => | ||
| this.loadJSON<T>(path.join(dirPath, file)) | ||
| ) | ||
| ); | ||
|
|
||
| return jsonData; | ||
| } catch (error) { | ||
| console.error(`Error reading JSON files from directory: ${dirPath}`, error); | ||
| throw error; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Merges an array of objects into a single object. | ||
| * @param objects An array of objects to merge. | ||
| * @returns A single object containing all properties from the input objects. | ||
| */ | ||
| async mergeJSONObjects<T>(objects: T[]): Promise<T> { | ||
| return objects.reduce((acc, obj) => ({ ...acc, ...obj }), {} as T); | ||
| } | ||
| } | ||
|
|
||
|
|
||
| // ============================================================================ | ||
| // Export | ||
| // ============================================================================ | ||
|
|
||
| export default JSONLoader; |
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