#66 Add exports option to i18n technology

enb · Aug 17, 2015 · 01c2ba5 · 01c2ba5
1 parent 103f50b
commit 01c2ba5
Showing 1 changed file with 67 additions and 15 deletions.
diff --git a/techs/i18n.js b/techs/i18n.js
@@ -12,6 +12,8 @@ var EOL = require('os').EOL,
  * @param {Object}   options                                        Options.
  * @param {String}   [options.target='?.lang.{lang}.js']            Path to a target with compiled file.
  * @param {String}   options.lang                                   Language identifier.
+ * @param {String}   [options.exports={
+ *      globals: true, commonJS: true, ym: true}]                   Export settings.
  * @param {String}   [options.keysetsFile='?.keysets.{lang}.js']    Path to a source keysets file.
  *
  * @example
@@ -52,39 +54,89 @@ module.exports = require('enb/lib/build-flow').create()
     .name('i18n')
     .target('target', '?.lang.{lang}.js')
     .defineRequiredOption('lang')
+    .defineOption('exports', {
+        globals: true,
+        commonJS: true,
+        ym: true
+    })
     .useSourceFilename('keysetsFile', '?.keysets.{lang}.js')
     .builder(function (keysetsFilename) {
         return this._readKeysetsFile(keysetsFilename)
             .then(function (sources) {
                 var parsed = keysets.parse(sources),
                     opts = {
                         version: parsed.version,
-                        language: this._lang
+                        language: this._lang,
+                        exports: this._exports
                     };
 
+                /**
+                 * Builds code wrapper for provide exports into CommonJS modular system
+                 * @param {Object} exports option
+                 * @returns {String} generated code
+                 */
+                function buildCommonJSWrapper(exports) {
+                    if (!exports.commonJS) {
+                        return '';
+                    }
+                    return [
+                        '    if (typeof exports === "object") {',
+                        '        module.exports = __i18n__;',
+                        exports.globals === 'force' ? '' :
+                        '        defineAsGlobal = false;',
+                        '    }'
+                    ].join(EOL);
+                }
+
+                /**
+                 * Builds code wrapper for provide exports into YModules modular system
+                 * @param {Object} exports option
+                 * @returns {String} generated code
+                 */
+                function buildYModulesWrapper(exports) {
+                    if (!exports.ym) {
+                        return '';
+                    }
+                    return [
+                        '    if (typeof modules === "object") {',
+                        '        modules.define("i18n", function (provide) {',
+                        '            provide(__i18n__);',
+                        '        });',
+                        exports.globals === 'force' ? '' :
+                        '        defineAsGlobal = false;',
+                        '    }'
+                    ].join(EOL);
+                }
+
+                /**
+                 * Builds code wrapper for provide exports into globals namespace
+                 * @param {Object} exports option
+                 * @returns {String} generated code
+                 */
+                function buildGlobalsWrapper(exports) {
+                    if (!exports.globals) {
+                        return '';
+                    }
+                    return [
+                        '    if (defineAsGlobal) {',
+                        '        global.BEM || (global.BEM = {});',
+                        '        global.BEM.I18N = __i18n__;',
+                        '    }'
+                    ].join(EOL);
+                }
+
                 return [
                     '(function (global) {',
                     '    var __i18n__ = ' + compile(parsed.core, parsed.keysets, opts) + ',',
                     '        defineAsGlobal = true;',
                     '',
                     '    // CommonJS',
-                    '    if (typeof exports === "object") {',
-                    '        module.exports = __i18n__;',
-                    '        defineAsGlobal = false;',
-                    '    }',
+                    buildCommonJSWrapper(opts.exports),
                     '',
                     '    // YModules',
-                    '    if (typeof modules === "object") {',
-                    '        modules.define("i18n", function (provide) {',
-                    '            provide(__i18n__);',
-                    '        });',
-                    '        defineAsGlobal = false;',
-                    '    }',
+                    buildYModulesWrapper(opts.exports),
                     '',
-                    '    if (defineAsGlobal) {',
-                    '        global.BEM || (global.BEM = {});',
-                    '        global.BEM.I18N = __i18n__;',
-                    '    }',
+                    buildGlobalsWrapper(opts.exports),
                     '})(this);'
                 ].join(EOL);
             }, this);