2.1.0

Update render.js script; expose it as bin when used as npm dependency.

bin/render.js

@@ -1,14 +1,18 @@
 #!/usr/bin/env node
 
 const path = require('path');
+const fs = require('fs');
 const program = require('commander');
 const jsdom = require('jsdom');
 const { JSDOM } = jsdom;
 const transforms = require('../dist/transforms.v2.js');
 
 program
-  .version('0.0.1')
-  .option('-i, --input <path>', 'path to input file.')
+  .version('1.0.0')
+  .description('Pre-renders distill articles for publication.')
+  .usage('-i <input path> -o <output path>')
+  .option('-i, --input_path <path>', 'path to input HTML file.')
+  .option('-o, --output_path <path>', 'path to write rendered HTML file to.')
   .parse(process.argv);
 
 const virtualConsole = new jsdom.VirtualConsole();
@@ -27,5 +31,5 @@ JSDOM.fromFile(program.input, options).then(dom => {
   transforms.distillify(document, data);
 
   const transformedHtml = dom.serialize();
-  process.stdout.write(transformedHtml);
+  fs.writeFileSync(program.output, transformedHtml);
 }).catch(console.error);