/
fs.js
130 lines (106 loc) · 3.28 KB
/
fs.js
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var glob = require('glob'),
path = require('path'),
fs = require('fs'),
callsites = require('callsites'),
findup = require('findup'),
_ = require('lodash');
function getcallsite(cb) {
var paths = callsites(),
root = path.resolve(__dirname, '../../');
// iterate over the call stack and find the first path that is not inside the i18n-future directory
var source = paths
.map(function (p) { return p.getFileName(); })
.reduce(function (src, p) {
if (src) {
return src;
} else if (path.resolve(root, p).indexOf(root) < 0) {
return p;
}
}, null);
// if such a path is found, then findup from that path to a directory containing a package.json
if (source) {
findup(source, 'package.json', cb);
} else {
cb();
}
}
module.exports = {
load: function (options, callback) {
if (arguments.length === 1 && typeof options === 'function') {
callback = options;
options = {};
}
options = _.extend({
path: 'locales/__lng__/__ns__.json'
}, options);
function load() {
// Replace / with \\ on Windows
options.path = path.normalize(options.path);
var datastore = {};
var glb = options.path.replace('__lng__', '[a-zA-Z\-_]*').replace('__ns__', '[a-zA-Z\-_]*'),
rgx = options.path.replace('__lng__', '([a-zA-Z\-_]*)').replace('__ns__', '([a-zA-Z\-_]*)');
// Windows hack, noop for unix file paths
rgx = rgx.split('\\').join('\\\\');
glb = path.resolve(options.baseDir, glb);
rgx = new RegExp(rgx);
glob(glb, function (err, files) {
if (err) { return callback(err); }
var count = files.length;
if (files.length === 0) {
return callback(null, datastore);
}
function checkDone() {
count--;
if (count === 0) {
callback(null, datastore);
}
}
files.forEach(function (file) {
// file comes in as a glob format with unix-style path separators on Windows
file = path.normalize(file);
var parts = file.match(rgx).slice(1),
src = options.path.match(rgx).slice(1);
var lng, ns;
parts.forEach(function (fragment, i) {
if (src[i]) {
if (src[i] === '__lng__') {
lng = fragment;
} else if (src[i] === '__ns__') {
ns = fragment;
}
}
});
if (lng && ns) {
fs.readFile(path.resolve(options.baseDir, file), function (err, buffer) {
if (err) {
checkDone();
} else {
try {
datastore[lng] = datastore[lng] || {};
datastore[lng][ns] = JSON.parse(buffer.toString());
checkDone();
} catch(e) {
checkDone();
}
}
});
} else {
checkDone();
}
});
});
}
if (!options.baseDir) {
getcallsite(function (err, baseDir) {
if (err || !baseDir) {
options.baseDir = process.cwd();
} else {
options.baseDir = baseDir;
}
load();
});
} else {
load();
}
}
};