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@push.rocks/smartbucket

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A TypeScript library providing a cloud-agnostic interface for managing object storage with functionalities like bucket management, file and directory operations, and advanced features such as metadata handling and file locking.

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import * as plugins from './smartbucket.plugins.js'; import { Bucket } from './smartbucket.classes.bucket.js'; import { File } from './smartbucket.classes.file.js'; export class Directory { constructor(bucketRefArg, parentDiretory, name) { this.bucketRef = bucketRefArg; this.parentDirectoryRef = parentDiretory; this.name = name; } /** * returns an array of parent directories */ getParentDirectories() { let parentDirectories = []; if (this.parentDirectoryRef) { parentDirectories.push(this.parentDirectoryRef); parentDirectories = parentDirectories.concat(this.parentDirectoryRef.getParentDirectories()); } return parentDirectories; } /** * returns the directory level */ getDirectoryLevel() { return this.getParentDirectories().length; } /** * updates the base path */ getBasePath() { const parentDirectories = this.getParentDirectories(); let basePath = ''; for (const parentDir of parentDirectories) { if (!parentDir.name && !basePath) { basePath = this.name + '/'; continue; } if (parentDir.name && !basePath) { basePath = parentDir.name + '/' + this.name + '/'; continue; } if (parentDir.name && basePath) { basePath = parentDir.name + '/' + basePath; continue; } } return basePath; } /** * lists all files */ async listFiles() { const done = plugins.smartpromise.defer(); const fileNameStream = await this.bucketRef.smartbucketRef.minioClient.listObjectsV2(this.bucketRef.name, this.getBasePath(), false); const fileArray = []; const duplexStream = new plugins.smartstream.SmartDuplex({ objectMode: true, writeFunction: async (bucketItem) => { if (bucketItem.prefix) { return; } if (!bucketItem.name) { return; } let subtractedPath = bucketItem.name.replace(this.getBasePath(), ''); if (subtractedPath.startsWith('/')) { subtractedPath = subtractedPath.substr(1); } if (!subtractedPath.includes('/')) { fileArray.push(new File({ directoryRefArg: this, fileName: subtractedPath, })); } }, finalFunction: async (tools) => { done.resolve(); } }); fileNameStream.pipe(duplexStream); await done.promise; return fileArray; } /** * lists all folders */ async listDirectories() { const done = plugins.smartpromise.defer(); const basePath = this.getBasePath(); const completeDirStream = await this.bucketRef.smartbucketRef.minioClient.listObjectsV2(this.bucketRef.name, this.getBasePath(), false); const directoryArray = []; const duplexStream = new plugins.smartstream.SmartDuplex({ objectMode: true, writeFunction: async (bucketItem) => { if (bucketItem.name) { return; } let subtractedPath = bucketItem.prefix.replace(this.getBasePath(), ''); if (subtractedPath.startsWith('/')) { subtractedPath = subtractedPath.substr(1); } if (subtractedPath.includes('/')) { const dirName = subtractedPath.split('/')[0]; if (directoryArray.find((directory) => directory.name === dirName)) { return; } directoryArray.push(new Directory(this.bucketRef, this, dirName)); } }, finalFunction: async (tools) => { done.resolve(); } }); completeDirStream.pipe(duplexStream); await done.promise; return directoryArray; } /** * gets an array that has all objects with a certain prefix; */ async getTreeArray() { const treeArray = await this.bucketRef.smartbucketRef.minioClient.listObjectsV2(this.bucketRef.name, this.getBasePath(), true); } /** * gets a sub directory */ async getSubDirectoryByName(dirNameArg) { const dirNameArray = dirNameArg.split('/'); const getDirectory = async (directoryArg, dirNameToSearch) => { const directories = await directoryArg.listDirectories(); return directories.find((directory) => { return directory.name === dirNameToSearch; }); }; let wantedDirectory; for (const dirNameToSearch of dirNameArray) { const directoryToSearchIn = wantedDirectory ? wantedDirectory : this; wantedDirectory = await getDirectory(directoryToSearchIn, dirNameToSearch); } return wantedDirectory; } /** * moves the directory */ async move() { // TODO throw new Error('moving a directory is not yet implemented'); } /** * creates a file within this directory * @param relativePathArg */ async createEmptyFile(relativePathArg) { const emtpyFile = await File.create({ directory: this, name: relativePathArg, contents: '', }); } // file operations async fastPut(optionsArg) { const path = plugins.path.join(this.getBasePath(), optionsArg.path); await this.bucketRef.fastPut({ path, contents: optionsArg.contents, }); } async fastGet(optionsArg) { const path = plugins.path.join(this.getBasePath(), optionsArg.path); const result = await this.bucketRef.fastGet({ path, }); return result; } async fastGetStream(pathArg) { const path = plugins.path.join(this.getBasePath(), pathArg); const result = await this.bucketRef.fastGetStream({ path, }); return result; } async fastRemove(optionsArg) { const path = plugins.path.join(this.getBasePath(), optionsArg.path); await this.bucketRef.fastRemove({ path, }); } /** * deletes the directory with all its contents */ async delete() { const deleteDirectory = async (directoryArg) => { const childDirectories = await directoryArg.listDirectories(); if (childDirectories.length === 0) { console.log('directory empty! Path complete!'); } else { for (const childDir of childDirectories) { await deleteDirectory(childDir); } } const files = await directoryArg.listFiles(); for (const file of files) { await directoryArg.fastRemove({ path: file.name, }); } }; await deleteDirectory(this); } } //# 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