Add JSHint. Fix style and some potential bugs.

This commit is contained in:
Ruben Vermeersch 2013-12-16 16:36:32 +01:00
parent f7d70f302b
commit e61e535a79
5 changed files with 240 additions and 187 deletions

1
.gitignore vendored Normal file
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@ -0,0 +1 @@
/node_modules

14
.jshintrc Normal file
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@ -0,0 +1,14 @@
{
"curly": true,
"eqeqeq": true,
"immed": true,
"latedef": true,
"newcap": true,
"noarg": true,
"sub": true,
"undef": true,
"boss": true,
"eqnull": true,
"node": true,
"white": true
}

18
Gruntfile.coffee Normal file
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@ -0,0 +1,18 @@
module.exports = (grunt) ->
@loadNpmTasks('grunt-contrib-jshint')
@loadNpmTasks('grunt-contrib-watch')
@initConfig
jshint:
all: [ 'lib/*.js' ]
options:
jshintrc: '.jshintrc'
watch:
all:
files: ['lib/**.js', 'test/*/*']
tasks: ['test']
@registerTask 'default', ['test']
@registerTask 'build', ['jshint']
@registerTask 'test', ['build']

121
lib/po.js
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@ -1,29 +1,34 @@
var fs = require('fs')
, util = require('util');
var fs = require('fs'),
util = require('util');
function trim(string) {
return string.replace(/^\s+|\s+$/g, '');
};
}
var PO = function() {
var PO = function () {
this.comments = [];
this.headers = {};
this.items = [];
};
PO.prototype.save = function(filename, callback) {
fs.writeFile(filename, this.toString(), function(err) {
if (err) throw err;
callback && callback();
PO.prototype.save = function (filename, callback) {
fs.writeFile(filename, this.toString(), function (err) {
if (err) {
throw err;
}
if (callback) {
callback();
}
});
};
PO.prototype.toString = function() {
var lines = []
, that = this;
PO.prototype.toString = function () {
var lines = [],
that = this;
if (this.comments) {
this.comments.forEach(function(comment) {
this.comments.forEach(function (comment) {
lines.push('# ' + comment);
});
}
@ -32,13 +37,13 @@ PO.prototype.toString = function() {
lines.push('msgstr ""');
var keys = Object.keys(this.headers);
keys.forEach(function(key) {
keys.forEach(function (key) {
lines.push(util.format('"%s: %s\\n"', key, that.headers[key]));
});
lines.push('');
this.items.forEach(function(item) {
this.items.forEach(function (item) {
lines.push(item.toString());
lines.push('');
});
@ -46,21 +51,23 @@ PO.prototype.toString = function() {
return lines.join("\n");
};
PO.load = function(filename, callback) {
fs.readFile(filename, 'utf-8', function(err, data) {
if (err) throw err;
PO.load = function (filename, callback) {
fs.readFile(filename, 'utf-8', function (err, data) {
if (err) {
throw err;
}
var po = PO.parse(data);
callback && callback(po);
callback(po);
});
};
PO.parse = function(data) {
PO.parse = function (data) {
//support both unix and windows newline formats.
data = data.replace(/\r\n/g, '\n');
var po = new PO
, sections = data.split(/\n\n/)
, headers = sections.shift()
, lines = sections.join("\n").split(/\n/);
var po = new PO(),
sections = data.split(/\n\n/),
headers = sections.shift(),
lines = sections.join("\n").split(/\n/);
po.headers = {
'Project-Id-Version': '',
@ -75,29 +82,29 @@ PO.parse = function(data) {
'Plural-Forms': '',
};
headers.split(/\n/).forEach(function(header) {
headers.split(/\n/).forEach(function (header) {
if (header.match(/^#/)) {
po.comments.push(header.replace(/^#\s*/, ''));
}
if (header.match(/^"/)) {
header = header.trim().replace(/^"/, '').replace(/\\n"$/, '');
var p = header.split(/:/)
, name = p.shift().trim()
, value = p.join(':').trim();
var p = header.split(/:/),
name = p.shift().trim(),
value = p.join(':').trim();
po.headers[name] = value;
}
});
var item = new PO.Item()
, context = null
, plural = 0;
var item = new PO.Item(),
context = null,
plural = 0;
function finish() {
if (item.msgid.length > 0) {
po.items.push(item);
item = new PO.Item();
}
};
}
function extract(string) {
string = trim(string);
@ -105,11 +112,11 @@ PO.parse = function(data) {
string = string.replace(/\\"/g, '"');
string = string.replace(/\\\\/g, '\\');
return string;
};
}
while (lines.length > 0) {
var line = trim(lines.shift())
, add = false;
var line = trim(lines.shift()),
add = false;
if (line.match(/^#:/)) { // Reference
finish();
item.references.push(trim(line.replace(/^#:/, '')));
@ -131,28 +138,28 @@ PO.parse = function(data) {
var m = line.match(/^msgstr\[(\d+)\]/);
plural = m && m[1] ? parseInt(m[1]) : 0;
item.msgstr[plural] = extract(line);
context = 'msgstr'
context = 'msgstr';
}
else { // Probably multiline string or blank
if (line.length > 0) {
if (context == 'msgstr') {
if (context === 'msgstr') {
item.msgstr[plural] += extract(line);
}
else if (context == 'msgid') {
else if (context === 'msgid') {
item.msgid += extract(line);
}
else if (context == 'msgid_plural') {
else if (context === 'msgid_plural') {
item.msgid_plural += extract(line);
}
}
}
};
}
finish();
return po;
};
PO.Item = function() {
PO.Item = function () {
this.msgid = '';
this.references = [];
this.msgid_plural = null;
@ -160,37 +167,37 @@ PO.Item = function() {
this.comments = [];
};
PO.Item.prototype.toString = function() {
var lines = []
, that = this;
PO.Item.prototype.toString = function () {
var lines = [],
that = this;
var _process = function(keyword, text, i) {
var lines = []
, parts = text.split(/\n/)
, index = typeof i != 'undefined' ? util.format('[%d]', i) : '';
var _process = function (keyword, text, i) {
var lines = [],
parts = text.split(/\n/),
index = typeof i !== 'undefined' ? util.format('[%d]', i) : '';
if (parts.length > 1) {
lines.push(util.format('%s%s ""', keyword, index));
parts.forEach(function(part) {
lines.push(util.format('"%s"', part))
parts.forEach(function (part) {
lines.push(util.format('"%s"', part));
});
}
else {
lines.push(util.format('%s%s "%s"', keyword, index, text));
}
return lines;
}
if (this.references.length > 0) {
this.references.forEach(function(ref) {
lines.push(util.format('#: %s', ref));
});
};
['msgid', 'msgid_plural', 'msgstr'].forEach(function(keyword) {
if (this.references.length > 0) {
this.references.forEach(function (ref) {
lines.push(util.format('#: %s', ref));
});
}
['msgid', 'msgid_plural', 'msgstr'].forEach(function (keyword) {
var text = that[keyword];
if (text != null) {
if (util.isArray(text) && text.length > 1) {
text.forEach(function(t, i) {
text.forEach(function (t, i) {
lines = lines.concat(_process(keyword, t, i));
});
}

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@ -1,11 +1,24 @@
{
"name" : "node-po",
"description" : "Simple library for loading and saving Gettext PO files.",
"version" : "0.1.1",
"author" : "Mike Holly",
"homepage" : "http://github.com/mikejholly/node-po",
"repository" : {"type" : "git", "url" : "http://github.com/mikejholly/node-po.git"},
"dependencies" : [],
"main" : "./lib/po",
"keywords" : ["i18n", "l10n", "gettext", "mo", "po"]
"name": "node-po",
"description": "Simple library for loading and saving Gettext PO files.",
"version": "0.1.1",
"author": "Mike Holly",
"homepage": "http://github.com/mikejholly/node-po",
"repository": {
"type": "git",
"url": "http://github.com/mikejholly/node-po.git"
},
"main": "./lib/po",
"keywords": [
"i18n",
"l10n",
"gettext",
"mo",
"po"
],
"devDependencies": {
"grunt": "~0.4.2",
"grunt-contrib-watch": "~0.5.3",
"grunt-contrib-jshint": "~0.7.2"
}
}