fix tput.js for browserifying. fixes #158 again.

This commit is contained in:
Christopher Jeffrey 2015-07-27 21:42:33 -07:00
parent 18f3dfcc99
commit 78b858742b
2 changed files with 84 additions and 13 deletions

7
browser/Makefile Normal file
View File

@ -0,0 +1,7 @@
all:
@cd .. && browserify -e index.js -o browser/blessed.js
clean:
@rm -f blessed.js
.PHONY: clean all

View File

@ -8,30 +8,94 @@ var Transform = require('stream').Transform
, path = require('path') , path = require('path')
, fs = require('fs'); , fs = require('fs');
var widgets = fs.readdirSync(__dirname + '/../lib/widgets'); /**
* Transformer
*/
var requires = widgets.reduce(function(out, name) { function transformer(code) {
name = path.basename(name, '.js');
out += '\nrequire(\'./widgets/' + name + '\');';
return out;
}, '');
function transform(target) {
var stream = new Transform; var stream = new Transform;
stream._transform = function(chunk, encoding, callback) { stream._transform = function(chunk, encoding, callback) {
return callback(null, chunk); return callback(null, chunk);
}; };
stream._flush = function(callback) { stream._flush = function(callback) {
if (target) { if (code) {
stream.push(requires); stream.push(code);
} }
return callback(); return callback();
}; };
return stream; 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) { module.exports = function(file) {
return path.basename(file) === 'widget.js' if (end(file, -2) === 'lib/widget.js') {
? transform(true) return transformer(requireWidgets);
: transform(); }
if (end(file, -2) === 'lib/tput.js') {
return transformer(readMethods);
}
return transformer();
}; };