/* * Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ import * as fs from "fs/promises" import * as path from "path" import { Observable, from, map, mergeMap, switchMap } from "rxjs" import { mkdir, read, resolve, write } from "../_" /* ---------------------------------------------------------------------------- * Helper types * ------------------------------------------------------------------------- */ /** * Copy transform function * * @param data - File data * @param name - File name * * @returns Transformed file data */ type CopyTransformFn = (data: string, name: string) => Promise<string> /* ------------------------------------------------------------------------- */ /** * Copy options */ interface CopyOptions { from: string /* Source destination */ to: string /* Target destination */ transform?: CopyTransformFn /* Transform function */ watch?: boolean /* Watch mode */ } /* ---------------------------------------------------------------------------- * Functions * ------------------------------------------------------------------------- */ /** * Copy a file * * @param options - Options * * @returns File observable */ export function copy( { transform, ...options }: CopyOptions ): Observable<string> { return mkdir(path.dirname(options.to)) .pipe( switchMap(() => typeof transform === "undefined" ? from(fs.copyFile(options.from, options.to)) : read(options.from) .pipe( switchMap(data => transform(data, options.from)), switchMap(data => write(options.to, data)) ) ), map(() => options.to) ) } /** * Copy all files matching the given pattern * * Note that this function rebases all files that match the pattern to the * target folder, even if the pattern resolves to a parent folder. * * @param pattern - Pattern * @param options - Options * * @returns File observable */ export function copyAll( pattern: string, options: CopyOptions ): Observable<string> { return resolve(pattern, { ...options, cwd: options.from }) .pipe( mergeMap(file => copy({ ...options, from: `${options.from}/${file}`, to: `${options.to}/${file.replace(/(\.{2}\/)+/, "")}` }), 16) ) }