addons: build and test examples

fix #6910

1 files changed, 94 insertions, 0 deletions

diff --git a/tools/doc/addon-verify.js b/tools/doc/addon-verify.js
new file mode 100644
index 0000000000..f87cfecdf5
--- /dev/null
+++ b/tools/doc/addon-verify.js
@@ -0,0 +1,94 @@
+var fs = require('fs');
+var path = require('path');
+var marked = require('marked');
+
+var doc = path.resolve(__dirname, '..', '..', 'doc', 'api', 'addons.markdown');
+var verifyDir = path.resolve(__dirname, '..', '..', 'test', 'addons');
+
+var contents = fs.readFileSync(doc).toString();
+
+var tokens = marked.lexer(contents, {});
+var files = null;
+var id = 0;
+
+// Just to make sure that all examples will be processed
+tokens.push({ type: 'heading' });
+
+var oldDirs = fs.readdirSync(verifyDir);
+oldDirs = oldDirs.filter(function(dir) {
+  return /^doc-/.test(dir);
+}).map(function(dir) {
+  return path.resolve(verifyDir, dir);
+});
+
+for (var i = 0; i < tokens.length; i++) {
+  var token = tokens[i];
+  if (token.type === 'heading') {
+    if (files && Object.keys(files).length !== 0) {
+      verifyFiles(files, function(err) {
+        if (err)
+          console.log(err);
+        else
+          console.log('done');
+      });
+    }
+    files = {};
+  } else if (token.type === 'code') {
+    var match = token.text.match(/^\/\/\s+(.*\.(?:cc|h|js))[\r\n]/);
+    if (match === null)
+      continue;
+    files[match[1]] = token.text;
+  }
+}
+
+function once(fn) {
+  var once = false;
+  return function() {
+    if (once)
+      return;
+    once = true;
+    fn.apply(this, arguments);
+  };
+}
+
+function verifyFiles(files, callback) {
+  var dir = path.resolve(verifyDir, 'doc-' + id++);
+
+  files = Object.keys(files).map(function(name) {
+    return {
+      path: path.resolve(dir, name),
+      name: name,
+      content: files[name]
+    };
+  });
+  files.push({
+    path: path.resolve(dir, 'binding.gyp'),
+    content: JSON.stringify({
+      targets: [
+        {
+          target_name: 'addon',
+          sources: files.map(function(file) {
+            return file.name;
+          })
+        }
+      ]
+    })
+  });
+
+  fs.mkdir(dir, function() {
+    // Ignore errors
+
+    var waiting = files.length;
+    for (var i = 0; i < files.length; i++)
+      fs.writeFile(files[i].path, files[i].content, next);
+
+    var done = once(callback);
+    function next(err) {
+      if (err)
+        return done(err);
+
+      if (--waiting === 0)
+        done();
+    }
+  });
+}