From 78b858742b63c4651e623aaed19289e37675f0bf Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Mon, 27 Jul 2015 21:42:33 -0700
Subject: [PATCH] fix tput.js for browserifying. fixes #158 again.

---
 browser/Makefile     |  7 ++++
 browser/transform.js | 90 +++++++++++++++++++++++++++++++++++++-------
 2 files changed, 84 insertions(+), 13 deletions(-)
 create mode 100644 browser/Makefile

diff --git a/browser/Makefile b/browser/Makefile
new file mode 100644
index 0000000..1bd040c
--- /dev/null
+++ b/browser/Makefile
@@ -0,0 +1,7 @@
+all:
+	@cd .. && browserify -e index.js -o browser/blessed.js
+
+clean:
+	@rm -f blessed.js
+
+.PHONY: clean all
diff --git a/browser/transform.js b/browser/transform.js
index 99f23ee..3030fb5 100644
--- a/browser/transform.js
+++ b/browser/transform.js
@@ -8,30 +8,94 @@ var Transform = require('stream').Transform
   , path = require('path')
   , fs = require('fs');
 
-var widgets = fs.readdirSync(__dirname + '/../lib/widgets');
+/**
+ * Transformer
+ */
 
-var requires = widgets.reduce(function(out, name) {
-  name = path.basename(name, '.js');
-  out += '\nrequire(\'./widgets/' + name + '\');';
-  return out;
-}, '');
-
-function transform(target) {
+function transformer(code) {
   var stream = new Transform;
   stream._transform = function(chunk, encoding, callback) {
     return callback(null, chunk);
   };
   stream._flush = function(callback) {
-    if (target) {
-      stream.push(requires);
+    if (code) {
+      stream.push(code);
     }
     return callback();
   };
   return stream;
 }
 
+/**
+ * Explicitly require all widgets in widget.js
+ */
+
+var widgets = fs.readdirSync(__dirname + '/../lib/widgets');
+
+var requireWidgets = widgets.reduce(function(out, name) {
+  name = path.basename(name, '.js');
+  out += '\nrequire(\'./widgets/' + name + '\');';
+  return out;
+}, '');
+
+/**
+ * Do not make filesystem calls in tput.js for
+ * terminfo or termcap, just use xterm terminfo/cap.
+ */
+
+var infoPath = path.resolve(__dirname, '..', 'usr', 'xterm')
+  , capPath = path.resolve(__dirname, '..', 'usr', 'xterm.termcap');
+
+var infoPathFake = path.resolve(
+  path.sep, 'usr', 'share', 'terminfo',
+  path.basename(infoPath)[0],
+  path.basename(infoPath)
+);
+
+function readMethods() {
+  Tput._infoBuffer = new Buffer(TERMINFO, 'base64');
+
+  Tput.prototype.readTerminfo = function() {
+    this.terminal = TERMINFO_NAME;
+    return this.parseTerminfo(Tput._infoBuffer, TERMINFO_PATH);
+  };
+
+  Tput.cpaths = [];
+  Tput.termcap = TERMCAP;
+
+  Tput.prototype._readTermcap = Tput.prototype.readTermcap;
+  Tput.prototype.readTermcap = function() {
+    this.terminal = TERMCAP_NAME;
+    return this._readTermcap(this.terminal);
+  };
+}
+
+readMethods = readMethods.toString().slice(24, -2)
+  .replace(/^  /gm, '')
+  .replace('TERMINFO', JSON.stringify(fs.readFileSync(infoPath, 'base64')))
+  .replace('TERMINFO_NAME', JSON.stringify(path.basename(infoPath)))
+  .replace('TERMINFO_PATH', JSON.stringify(infoPathFake))
+  .replace('TERMCAP', JSON.stringify(fs.readFileSync(capPath, 'utf8')))
+  .replace('TERMCAP_NAME', JSON.stringify(path.basename(capPath, '.termcap')));
+
+/**
+ * Helpers
+ */
+
+function end(file, offset) {
+  return file.split(path.sep).slice(offset).join(path.sep);
+}
+
+/**
+ * Expose
+ */
+
 module.exports = function(file) {
-  return path.basename(file) === 'widget.js'
-    ? transform(true)
-    : transform();
+  if (end(file, -2) === 'lib/widget.js') {
+    return transformer(requireWidgets);
+  }
+  if (end(file, -2) === 'lib/tput.js') {
+    return transformer(readMethods);
+  }
+  return transformer();
 };