grunt-i18n-csv/lib/simple.js

Create internationalized files from a CSV translations file

/*
 * grunt-i18n-csv
 * https://github.com/wet-boew/grunt-i18n-csv
 *
 * Copyright (c) 2014 Laurent Goderre
 * Licensed under the MIT license.
 */

var options;
var results;

module.exports =  function (opts) {
	options = opts;
	if (options.format !== 'json' && options.format !== 'yaml') {
		throw 'Unknown format : \'' + options.format + '\'';
	}

	results = [];

	return {
		process: function(row) {
			for (var s = 1; s < row.length; s++) {
				var id = row[0];
				var value = row[s];
				var resultIndex = s - 1;

				if (results[resultIndex] === undefined) {
					results[resultIndex] = '';
				}

				if (value === '' && options.useDefaultOnMissing) {
					value = row[1];
				}

				//Unescape CSV string
				value = value.replace('\\\'', '\'');

				if (options.format === 'json') {
					results[resultIndex] += '"' + id + '":' + JSON.stringify(value) + ',\n';
				} else if (options.format === 'yaml'){
					results[resultIndex] += id + ": " + value + '\n';
				}
			}
		},

		complete: function () {
			if (options.format === 'json') {
				results.forEach(function(r, index, arr){
					arr[index] = "{\n" + r.substr(0, r.length - 2) + "\n}";
				});
			}
			return results;
		}
	};
};