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import { promisify } from '@0xproject/utils';
import * as fs from 'fs';
import * as mkdirp from 'mkdirp';
export const fsWrapper = {
readdirAsync: promisify<string[]>(fs.readdir),
readFileAsync: promisify<string>(fs.readFile),
writeFileAsync: promisify<undefined>(fs.writeFile),
mkdirpAsync: promisify<undefined>(mkdirp),
doesPathExistSync: fs.existsSync,
rmdirSync: fs.rmdirSync,
removeFileAsync: promisify<undefined>(fs.unlink),
statAsync: promisify<fs.Stats>(fs.stat),
appendFileAsync: promisify<undefined>(fs.appendFile),
accessAsync: promisify<boolean>(fs.access),
doesFileExistAsync: async (filePath: string): Promise<boolean> => {
try {
await fsWrapper.accessAsync(
filePath,
// node says we need to use bitwise, but tslint says no:
fs.constants.F_OK | fs.constants.R_OK, // tslint:disable-line:no-bitwise
);
} catch (err) {
return false;
}
return true;
},
};
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