Merge pull request #3 from gnchrv/switching-to-esbuild

Switching to esbuild

esbuild.js

@@ -0,0 +1,38 @@
+// Basic options
+const options = {
+
+    // Entry points and a path to a final bundle
+    entryPoints: ['src/index.ts'],
+    outdir: 'dist',
+
+    // Whether to bundle together, minify and add a source map
+    bundle: true,
+    minify: true,
+    sourcemap: true,
+
+    // A target environment (esbuild doesn’t support this option specified in tsconfig.json)
+    target: 'es6',
+
+    // Log level is specified in order to print basic information even when launched as an npm script from package.json
+    logLevel: 'info'
+}
+
+// Different types of builds
+const builds = {
+
+    // The default one. Contains only the options listed above
+    'build': () => options,
+
+    // The watching one. Contains additional flag asking esbuild to watch for changes
+    'watch': () => ({ ...options, watch: true })
+}
+
+/* 
+Run the config. A command of type `node esbuild.js watch` should be used. The third element of the command will be used as a build name
+*/
+require('esbuild')
+    .build(builds[process.argv[2]]())
+    .catch(e => {
+        console.error(e)
+        process.exit(1)
+    })