Concatenate Angular 2+ templates.
npm install ng2-template-concat
Usage: ng2-template-concat [options] <file...>
Options:
-V, --version output the version number
-r, --root <path> template root path (default: process.cwd)
-o, --output <path> output file path (default: stdout)
-h, --help output usage information
const concat = require('ng2-template-concat');
let js = concat.module(rootPath, [file1, file2, file3]);