'use strict';
const {promisify} = require('util');
const path = require('path');
const fs = require('graceful-fs');
const isStream = require('is-stream');
const makeDir = require('make-dir');
const uuid = require('uuid');
const tempDir = require('temp-dir');
const writeFileP = promisify(fs.writeFile);
const tempfile = filePath => path.join(tempDir, uuid.v4(), (filePath || ''));
const writeStream = async (filePath, fileContent) => new Promise((resolve, reject) => {
const writable = fs.createWriteStream(filePath);
fileContent
.on('error', error => {
// Be careful to reject before writable.end(), otherwise the writable's
// 'finish' event will fire first and we will resolve the promise
// before we reject it.
reject(error);
fileContent.unpipe(writable);
writable.end();
})
.pipe(writable)
.on('error', reject)
.on('finish', resolve);
});
module.exports = async (fileContent, filePath) => {
const tempPath = tempfile(filePath);
const write = isStream(fileContent) ? writeStream : writeFileP;
await makeDir(path.dirname(tempPath));
await write(tempPath, fileContent);
return tempPath;
};
module.exports.sync = (fileContent, filePath) => {
const tempPath = tempfile(filePath);
makeDir.sync(path.dirname(tempPath));
fs.writeFileSync(tempPath, fileContent);
return tempPath;
};