netlify-cli/dist/utils/copy-template-dir/copy-template-dir.js

Netlify command line tool

// License for copy-template-dir.
// Original repository: https://github.com/yoshuawuyts/copy-template-dir
// The MIT License (MIT)
// Copyright (c) 2015 Yoshua Wuyts
// 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 NONINFRINGEMENT. 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 fs from 'fs';
import path from 'path';
import { pipeline } from 'stream';
import { promisify } from 'util';
import maxstache from 'maxstache';
import maxstacheStream from 'maxstache-stream';
import { readdirp } from 'readdirp';
// Remove a leading underscore
function removeUnderscore(filepath) {
    const parts = filepath.split(path.sep);
    const filename = parts.pop()?.replace(/^_/, '') || '';
    return [...parts, filename].join(path.sep);
}
// Write a file to a directory
async function writeFile(outDir, vars, file) {
    const fileName = file.path;
    const inFile = file.fullPath;
    const parentDir = path.dirname(file.path);
    const outFile = path.join(outDir, maxstache(removeUnderscore(fileName), vars));
    await fs.promises.mkdir(path.join(outDir, maxstache(parentDir, vars)), { recursive: true });
    const rs = fs.createReadStream(inFile);
    const ts = maxstacheStream(vars);
    const ws = fs.createWriteStream(outFile);
    await promisify(pipeline)(rs, ts, ws);
}
// High throughput template dir writes
export async function copyTemplateDir(srcDir, outDir, vars) {
    await fs.promises.mkdir(outDir, { recursive: true });
    const rs = readdirp(srcDir);
    const streams = [];
    const createdFiles = [];
    rs.on('data', (file) => {
        createdFiles.push(path.join(outDir, maxstache(removeUnderscore(file.path), vars)));
        streams.push(writeFile(outDir, vars, file));
    });
    await new Promise((resolve, reject) => {
        rs.on('end', async () => {
            try {
                await Promise.all(streams);
                resolve();
            }
            catch (error) {
                reject(error);
            }
        });
        rs.on('error', (error) => {
            reject(error);
        });
    });
    return createdFiles;
}
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