[2.0] build system updates, esp for language file generation

2026-09-12 12:21:04 +08:00 · 2014-01-24 23:50:42 -08:00
parent 564ee6a9a9
commit 05ab0a7cf8
2 changed files with 271 additions and 10 deletions
@@ -0,0 +1,209 @@
+
+module.exports = function(grunt) {
+
+	var config = grunt.config('generateLanguages');
+
+
+	grunt.registerTask('generateLanguages', function() {
+
+		var combinedJS = '';
+		var languageCnt = 0;
+		var skippedLangCodes = [];
+
+		grunt.file.mkdir(config.dest, 0755);
+
+		grunt.file.expand(config.moment + '/*.js').forEach(function(momentPath) {
+
+			var langCode = momentPath.match(/([^\/]*)\.js$/)[1];
+			var js = getLangJS(langCode, momentPath);
+
+			if (js) {
+
+				grunt.file.write(
+					config.dest + '/' + langCode + '.js',
+					wrapWithUMD(js)
+				);
+
+				combinedJS += wrapWithClosure(js) + '\n';
+
+				languageCnt++;
+			}
+			else {
+				skippedLangCodes.push(langCode);
+			}
+
+		});
+
+		// code for resetting the language back to English
+		combinedJS += '\nmoment.lang("en");';
+		combinedJS += '\n$.fullCalendar.lang("en");';
+		combinedJS += '\nif ($.datepicker) $.datepicker.setDefaults($.datepicker.regional[""]);';
+
+		grunt.file.write(
+			config.dest + '/all.js',
+			wrapWithUMD(combinedJS)
+		);
+
+		grunt.log.writeln(skippedLangCodes.length + ' skipped languages: ' + skippedLangCodes.join(', '));
+		grunt.log.writeln(languageCnt + ' generated languages.');
+
+	});
+
+
+	function getLangJS(langCode, momentPath) {
+		
+		var shortLangCode;
+		var momentLangJS;
+		var datepickerLangJS;
+		var fullCalendarLangJS;
+
+		// given "fr-ca", get just "fr"
+		if (langCode.indexOf('-') != -1) {
+			shortLangCode = langCode.replace(/-.*/, '');
+		}
+
+		momentLangJS = getMomentLangJS(momentPath);
+
+		datepickerLangJS = getDatepickerLangJS(langCode);
+		if (!datepickerLangJS && shortLangCode) {
+			datepickerLangJS = getDatepickerLangJS(shortLangCode, langCode);
+		}
+
+		fullCalendarLangJS = getFullCalendarLangJS(langCode);
+		if (!fullCalendarLangJS && shortLangCode) {
+			fullCalendarLangJS = getFullCalendarLangJS(shortLangCode, langCode);
+		}
+
+		// If this is an "en" language, only the Moment config is needed.
+		// For all other languages, all 3 configs are needed.
+		if (momentLangJS && (shortLangCode == 'en' || (datepickerLangJS && fullCalendarLangJS))) {
+
+			// if there is no definition, we still need to tell FC to set the default
+			if (!fullCalendarLangJS) {
+				fullCalendarLangJS = '$.fullCalendar.lang("' + langCode + '");';
+			}
+
+			datepickerLangJS = datepickerLangJS || '';
+
+			return momentLangJS + '\n' +
+				datepickerLangJS + '\n' +
+				fullCalendarLangJS;
+		}
+	}
+
+
+	function wrapWithUMD(body) {
+		return [
+			'(function(factory) {',
+			'    if (typeof define === "function" && define.amd) {',
+			'        define([ "jquery", "moment" ], factory);',
+			'    }',
+			'    else {',
+			'        factory(jQuery, moment);',
+			'    }',
+			'})(function($, moment) {',
+			'',
+			body,
+			'',
+			'});'
+		].join('\n');
+	}
+
+
+	function wrapWithClosure(body) {
+		return [
+			'(function() {',
+			'',
+			body,
+			'',
+			'})();'
+		].join('\n');
+	}
+
+
+	function getMomentLangJS(path) { // file assumed to exist
+
+		var js = grunt.file.read(path);
+
+		js = js.replace( // remove the UMD wrap
+			/\(\s*function[\S\s]*?function\s*\(\s*moment\s*\)\s*\{([\S\s]*)\}\)\);?/,
+			function(m0, body) {
+				body = body.replace(/^    /mg, ''); // remove 1 level of indentation
+				return body;
+			}
+		);
+
+		js = js.replace( // replace the `return` statement so execution continues
+			/^(\s*)return moment\.lang\(/m,
+			'$1moment.lang('
+		);
+
+		return js;
+	}
+
+
+	function getDatepickerLangJS(langCode, targetLangCode) {
+
+		// convert "en-ca" to "en-CA"
+		var datepickerLangCode = langCode.replace(/\-(\w+)/, function(m0, m1) {
+			return '-' + m1.toUpperCase();
+		});
+
+		var path = config.datepicker + '/jquery.ui.datepicker-' + datepickerLangCode + '.js';
+		var js;
+
+		try {
+			js = grunt.file.read(path);
+		}
+		catch (ex) {
+			return false;
+		}
+
+		js = js.replace(
+			/^jQuery\([\S\s]*?\{([\S\s]*)\}\);?/m, // inside the jQuery(function) wrap,
+			function(m0, body) {                   // use only the function body, modified.
+
+				var match = body.match(/\$\.datepicker\.regional[\S\s]*?(\{[\S\s]*?\});?/);
+				var props = match[1];
+
+				// remove 1 level of tab indentation
+				props = props.replace(/^\t/mg, '');
+
+				return "$.fullCalendar.datepickerLang(" +
+					"'" + (targetLangCode || langCode) + "', " + // for FullCalendar
+					"'" + datepickerLangCode + "', " + // for datepicker
+					props +
+					");";
+			}
+		);
+
+		return js;
+	}
+
+
+	function getFullCalendarLangJS(langCode, targetLangCode) {
+
+		var path = config.fullCalendar + '/' + langCode + '.js';
+		var js;
+
+		try {
+			js = grunt.file.read(path);
+		}
+		catch (ex) {
+			return false;
+		}
+
+		// if we originally wanted "ar-ma", but only "ar" is available, we have to adjust
+		// the declaration
+		if (targetLangCode && targetLangCode != langCode) {
+			js = js.replace(
+				/\$\.fullCalendar\.lang\(['"]([^'"]*)['"]/,
+				'$.fullCalendar.lang("' + targetLangCode + '"'
+			);
+		}
+
+		return js;
+	}
+
+
+};