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57 lines
1.5 KiB
57 lines
1.5 KiB
2 years ago
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'use strict';
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const fs = require('fs');
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const path = require('path');
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const uniqueString = require('unique-string');
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const tempDir = require('temp-dir');
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const isStream = require('is-stream');
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const stream = require('stream');
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const {promisify} = require('util');
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const pipeline = promisify(stream.pipeline);
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const {writeFile} = fs.promises;
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const getPath = (prefix = '') => path.join(tempDir, prefix + uniqueString());
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const writeStream = async (filePath, data) => pipeline(data, fs.createWriteStream(filePath));
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module.exports.file = options => {
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options = {
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...options
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};
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if (options.name) {
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if (options.extension !== undefined && options.extension !== null) {
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throw new Error('The `name` and `extension` options are mutually exclusive');
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}
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return path.join(module.exports.directory(), options.name);
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}
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return getPath() + (options.extension === undefined || options.extension === null ? '' : '.' + options.extension.replace(/^\./, ''));
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};
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module.exports.directory = ({prefix = ''} = {}) => {
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const directory = getPath(prefix);
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fs.mkdirSync(directory);
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return directory;
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};
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module.exports.write = async (data, options) => {
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const filename = module.exports.file(options);
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const write = isStream(data) ? writeStream : writeFile;
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await write(filename, data);
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return filename;
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};
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module.exports.writeSync = (data, options) => {
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const filename = module.exports.file(options);
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fs.writeFileSync(filename, data);
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return filename;
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};
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Object.defineProperty(module.exports, 'root', {
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get() {
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return tempDir;
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}
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});
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