81 lines
3.0 KiB
TypeScript
81 lines
3.0 KiB
TypeScript
import { type } from "os";
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import { mkdir, writeFile} from 'fs/promises'
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import { promisify } from "util";
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import { exists, BaseEncodingOptions, lstat } from "fs";
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const _exists = promisify(exists);
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const _lstat = promisify(lstat);
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/**
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* Function to create a File
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* @param fileName Read the File.
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* @param content content which should be stored
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* @param options The options to write the file. See original docu: https://nodejs.org/dist/latest-v8.x/docs/api/fs.html#fs_fs_writefile_file_data_options_callback
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*/
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export async function createFile(fileName: string, content: string, options?: (BaseEncodingOptions & { mode?: string | number; flag?: string | number; }) | "ascii" | "utf8" | "utf-8" | "utf16le" | "ucs2" | "ucs-2" | "base64" | "latin1" | "binary" | "hex") {
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const FOLDER_SPLIT_CHAR = type() === 'Linux' ? '/' : '\\'
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// Split the Path into different segements.
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const pathParts = fileName.split(FOLDER_SPLIT_CHAR);
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// Pop the File.
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pathParts.pop();
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// Create the Path / Directories
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await createPath(pathParts.join(FOLDER_SPLIT_CHAR))
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// Wirte the File.
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await writeFile(fileName, content, options)
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return fileName;
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}
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/**
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* Function to create a File
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* @param path Read the File.
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* @param content content which should be stored
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* @param options The options to write the file. See original docu: https://nodejs.org/dist/latest-v8.x/docs/api/fs.html#fs_fs_writefile_file_data_options_callback
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*/
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export async function createPath(path: string) {
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const FOLDER_SPLIT_CHAR = type() === 'Linux' ? '/' : '\\'
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// Split the Path into different segements.
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const pathParts = path.split(FOLDER_SPLIT_CHAR);
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if (pathParts.length > 0) {
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/** Check if the given Path Ends with a File Name */
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if (pathParts[pathParts.length - 1].indexOf('.') !== -1) {
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pathParts.pop();
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}
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// Reassemble the Segments like that:
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//
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// C:\\Test\\SubFolder\\AnotherFolder
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// Split up:
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// => fileParts = [C: , Test , SubFolder, AnotherFolder]
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//
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// Reassemble:
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// 1) C:
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// 2) C:\\Test
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// 3) C:\\Test\\SubFolder
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// 4) ...
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//
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// Everytime after an assembly Check whether the assembled
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// path exists, otherwise create that folder and go on.
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for (const [idx, folder] of pathParts.entries()) {
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// Assemble the Path.
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const currentPath = pathParts.slice(0, idx + 1).join(FOLDER_SPLIT_CHAR);
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// Test and create the Folder
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const urlExists = await _exists(currentPath);
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// Test if the provided Path exists or not.
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if (currentPath && !urlExists) {
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await mkdir(currentPath);
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} else if (currentPath && urlExists && (await _lstat(currentPath)).isFile()){
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throw Error('Cant create File at the specified path. The given URL contains a File. See "' + currentPath +'"' );
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}
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}
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}
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return path;
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} |