feat: add default P3 post-process config for theme modules (#55)

bin/magi-p3-convert

@@ -3,6 +3,7 @@
 
 const {workingPackage} = require('../lib/tools.js');
 const {EOL} = require('os');
+const {files, from, to} = require('../lib/p3-post.js')
 const path = require('path');
 const fs = require('fs');
 const jsonfile = require('jsonfile');
@@ -114,6 +115,9 @@ async function main() {
       ${process.argv.slice(2).join(' ')} \
   `);
 
+  // Set default values for replacements
+  const postProcess = {files, from, to};
+
   // Run custom project adjustments
   let postFile = 'magi-p3-post.json';
   let magiPost = jsonfile.readFileSync(postFile, {throws: false});
@@ -126,11 +130,22 @@ async function main() {
   }
 
   if (magiPost) {
-    // magiPost json is a valid options object for 'replace-in-file'
-    replace.sync(magiPost);
-    // we don't need "magi-p3-post" anymore
-    (magiPost.remove || []).concat(postFile).forEach(file => fs.unlinkSync(file));
+    magiPost.files = [...postProcess.files, ...magiPost.files];
+    magiPost.from = [...postProcess.from, ...magiPost.from];
+    magiPost.to = [...postProcess.to, ...magiPost.to];
+  } else {
+    magiPost = postProcess;
+  }
+
+  // magiPost json is a valid options object for 'replace-in-file'
+  replace.sync(magiPost);
+
+  const filesToRemove = magiPost.remove || [];
+  // we don't need "magi-p3-post" anymore
+  if (fs.existsSync(postFile)) {
+    filesToRemove.push(postFile);
   }
+  filesToRemove.forEach(file => fs.unlinkSync(file));
 }
 
 main()

lib/p3-post.js

@@ -0,0 +1,22 @@
+const fixme = `
+/*
+  FIXME(polymer-modulizer): the above comments were extracted
+  from HTML and may be out of place here. Review them and
+  then delete this comment!
+*/
+;`
+ module.exports = {
+  files: [
+    "theme/**/*-styles.js"
+  ],
+  from: [
+    "const $_documentContainer = document.createElement('template');",
+    "$_documentContainer.innerHTML = `",
+    fixme
+  ],
+  to: [
+    "import { html } from '@polymer/polymer/lib/utils/html-tag.js';",
+    "const $_documentContainer = html`",
+    ""
+  ]
+}