51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
"use strict";
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const fs_1 = require("fs");
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const path_1 = require("path");
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const log = (err) => console.log(err);
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const isFile = (f) => fs_1.statSync(f).isFile();
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const write = (fName, str) => new Promise((res, rej) => {
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fs_1.writeFile(path_1.resolve(fName), str, (err) => {
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if (err)
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return rej(err);
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return res(str);
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});
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});
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const readFolder = (folder) => new Promise((res, rej) => {
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fs_1.readdir(path_1.resolve(folder), (err, files) => {
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if (err)
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rej(err);
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const fileList = files.map(f => path_1.join(folder, f));
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res(fileList.filter(isFile));
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});
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});
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const read = (fName) => new Promise((res, rej) => {
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fs_1.readFile(path_1.resolve(fName), (err, str) => {
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if (err)
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rej(err);
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res(str);
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});
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});
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const concat = (files) => new Promise((res, rej) => {
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return Promise.all(files.map(read))
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.then(src => res(src.join('\n')))
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.catch(rej);
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});
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module.exports = (folder, outFile) => new Promise((res, rej) => {
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let concatenated;
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if (typeof folder === 'string') {
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concatenated = readFolder(folder)
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.then(concat);
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}
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else {
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concatenated = concat(folder);
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}
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if (outFile) {
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concatenated.then((out) => write(outFile, out)
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.then(res)
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.catch(rej)).catch(rej);
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}
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else {
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concatenated.then(res).catch(rej);
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}
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});
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