criticmarkup input/normalisation

cli.js

@@ -1,5 +1,6 @@
 #!/usr/bin/env node
 const commandLineArgs = require('command-line-args')
+const fs = require('fs')
 const pandiff = require('.')
 const pkg = require('./package.json')
 
@@ -16,6 +17,10 @@ async function main (opts) {
     console.error('pandiff', pkg.version)
   } else if (files && files.length === 1 && files[0].endsWith('.docx')) {
     text = await pandiff.trackChanges(files[0], opts)
+  } else if (files && files.length === 1 && files[0].endsWith('.md')) {
+    text = fs.readFileSync(files[0], 'utf8')
+    delete opts.files
+    text = await pandiff.normalise(text, opts)
   } else if (files && files.length === 2) {
     let [file1, file2] = files
     opts.files = true

index.js

@@ -246,6 +246,15 @@ const criticTrackChanges = text => text
   .replace(regex.critic.ins, '<span class="insertion">$1</span>')
   .replace(regex.critic.sub, '<span class="deletion">$1</span><span class="insertion">$2</span>')
 
+const criticReject = text => text
+  .replace(regex.critic.del, '$1')
+  .replace(regex.critic.ins, '')
+  .replace(regex.critic.sub, '$1')
+const criticAccept = text => text
+  .replace(regex.critic.del, '')
+  .replace(regex.critic.ins, '$1')
+  .replace(regex.critic.sub, '$2')
+
 const pandocOptionsHTML = [
   '--css', require.resolve('github-markdown-css'),
   '--css', path.join(__dirname, 'pandiff.css'),
@@ -286,3 +295,5 @@ async function postrender (text, opts = {}) {
 module.exports = pandiff
 module.exports.trackChanges = (file, opts = {}) =>
   pandoc(file, '--track-changes=all').toString().then(html => render(html, opts))
+module.exports.normalise = (text, opts = {}) =>
+  pandiff(criticReject(text), criticAccept(text), opts)

test/normalise.in.md

@@ -0,0 +1,6 @@
+I really love *italic {~~fonts*~>font-styles*, really~~}.
+
+- My first list item. 
+- My second {--list item. 
+- My third list item. 
+- My last--} combined list item. 

test/normalise.out.md

@@ -0,0 +1,6 @@
+I really love *italic {~~fonts~>font-styles~~}*{~~.~>, really.~~}
+
+-   My first list item.
+-   My second {--list item.--}
+-   {--My third list item.--}
+-   {--My last --}combined list item.

test/test.js

@@ -51,6 +51,10 @@ describe('Track Changes', function () {
 })
 
 describe('Misc', function () {
+  it('normalise', async function () {
+    let text = await pandiff.normalise(fs.readFileSync('test/normalise.in.md', 'utf8'))
+    expect(text).to.equal(fs.readFileSync('test/normalise.out.md', 'utf8'))
+  })
   it('atx', async function () {
     let text = await pandiff('test/old.md', 'test/new.md', {
       'atx-headers': true,