improve ability to be bundled

browser/transform.js

@@ -3,7 +3,7 @@
  * Copyright (c) 2013-2015, Christopher Jeffrey and contributors (MIT License).
  * https://github.com/chjj/blessed
  */
-
+var path = require('path');
 var Transform = require('stream').Transform
   , path = require('path')
   , fs = require('fs');
@@ -43,8 +43,8 @@ var requireWidgets = widgets.reduce(function(out, name) {
  * terminfo or termcap, just use xterm terminfo/cap.
  */
 
-var infoPath = path.resolve(__dirname, '..', 'usr', 'xterm-256color')
-  , capPath = path.resolve(__dirname, '..', 'usr', 'xterm.termcap');
+var infoPath = path.resolve(path.join(__dirname, '../usr/xterm-256color'))
+  , capPath = path.resolve(path.join(__dirname, '../usr/xterm.termcap'));
 
 var infoPathFake = path.resolve(
   path.sep, 'usr', 'share', 'terminfo',
@@ -53,7 +53,7 @@ var infoPathFake = path.resolve(
 );
 
 function readMethods() {
-  Tput._infoBuffer = new Buffer(TERMINFO, 'base64');
+  Tput._infoBuffer = Buffer.from(TERMINFO, 'base64');
 
   Tput.prototype.readTerminfo = function() {
     this.terminal = TERMINFO_NAME;

lib/tput.js

@@ -102,6 +102,18 @@ Tput.prototype._debug = function() {
   return console.log.apply(console, arguments);
 };
 
+
+function findFindInUser(name) {
+  const f2 = path.join(__dirname, "usr", name);
+  if (fs.existsSync(f2)) {
+    return f2;
+  }
+  const f1 = path.join(__dirname, '../usr', name);
+  if (fs.existsSync(f1)) {
+    return f1;
+  }
+  throw new Error('Terminfo not found. : ' + name);
+}
 /**
  * Fallback
  */
@@ -111,21 +123,21 @@ Tput.prototype._useVt102Cap = function() {
 };
 
 Tput.prototype._useXtermCap = function() {
-  return this.injectTermcap(path.join(__dirname,'../usr/xterm.termcap'));
+  return this.injectTermcap(findFindInUser('xterm.termcap'));
 };
 
 Tput.prototype._useXtermInfo = function() {
-  return this.injectTerminfo(path.join(__dirname, '/../usr/xterm.bin'));
+  return this.injectTerminfo(findFindInUser("xterm"));
 };
 
 Tput.prototype._useInternalInfo = function(name) {
   name = path.basename(name);
-  return this.injectTerminfo(path.join(__dirname, '/../usr/' + name));
+  return this.injectTerminfo(findFindInUser(name));
 };
 
 Tput.prototype._useInternalCap = function(name) {
   name = path.basename(name);
-  return this.injectTermcap(__dirname + '/../usr/' + name + '.termcap');
+  return this.injectTermcap(findFindInUser(name + '.termcap'));
 };
 
 /**