initial commit

node_modules/concat/index.js

@@ -0,0 +1,50 @@
+"use strict";
+const fs_1 = require("fs");
+const path_1 = require("path");
+const log = (err) => console.log(err);
+const isFile = (f) => fs_1.statSync(f).isFile();
+const write = (fName, str) => new Promise((res, rej) => {
+    fs_1.writeFile(path_1.resolve(fName), str, (err) => {
+        if (err)
+            return rej(err);
+        return res(str);
+    });
+});
+const readFolder = (folder) => new Promise((res, rej) => {
+    fs_1.readdir(path_1.resolve(folder), (err, files) => {
+        if (err)
+            rej(err);
+        const fileList = files.map(f => path_1.join(folder, f));
+        res(fileList.filter(isFile));
+    });
+});
+const read = (fName) => new Promise((res, rej) => {
+    fs_1.readFile(path_1.resolve(fName), (err, str) => {
+        if (err)
+            rej(err);
+        res(str);
+    });
+});
+const concat = (files) => new Promise((res, rej) => {
+    return Promise.all(files.map(read))
+        .then(src => res(src.join('\n')))
+        .catch(rej);
+});
+module.exports = (folder, outFile) => new Promise((res, rej) => {
+    let concatenated;
+    if (typeof folder === 'string') {
+        concatenated = readFolder(folder)
+            .then(concat);
+    }
+    else {
+        concatenated = concat(folder);
+    }
+    if (outFile) {
+        concatenated.then((out) => write(outFile, out)
+            .then(res)
+            .catch(rej)).catch(rej);
+    }
+    else {
+        concatenated.then(res).catch(rej);
+    }
+});