template precompile

js/diff.js

@@ -289,6 +289,9 @@ class Diff
                 fileList.push(`client/lib/espo-${i}.min.js.map`);
             }
 
+            fileList.push('client/lib/espo-templates.min.js');
+            fileList.push('client/lib/espo-templates.min.js.map');
+
             //fileList.push('client/lib/original/espo.js');
 
             fs.readdirSync('client/css/espo/').forEach(file => {

js/scripts/prepare-lib-original.js

@@ -41,7 +41,8 @@ const originalLibCrmDir = './client/modules/crm/lib/original';
     .filter(path => !fs.existsSync(path))
     .forEach(path => fs.mkdirSync(path));
 
-let bundleFiles = [];
+let bundleFiles = ['espo-templates.js'];
+
 for (let i = 0; i < bundleConfig.chunkNumber; i++) {
     bundleFiles.push(`espo-${i}.js`)
 }

js/template-precompiler.js

@@ -0,0 +1,101 @@
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2023 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+const fs = require('fs');
+const {globSync} = require('glob');
+const Handlebars = require('handlebars');
+
+class TemplatePrecompiler {
+
+    defaultPath = 'client';
+
+    /**
+     * @param {{
+     *   patterns: string[],
+     *   modulePaths: Object.<string, string>,
+     * }} params
+     * @return {string}
+     */
+    precompile(params) {
+        let files = [];
+
+        params.patterns.forEach(pattern => {
+            let itemFiles = globSync(pattern)
+                .map(file => file.replaceAll('\\', '/'));
+
+            files = files.concat(itemFiles);
+        });
+
+        let nameMap = {};
+
+        files.forEach(file => {
+            let module = null;
+
+            for (let itemModule in params.modulePaths) {
+                let path = params.modulePaths[itemModule];
+
+                if (file.indexOf(path) === 0) {
+                    module = itemModule;
+
+                    break;
+                }
+            }
+
+            let path = module ?
+                params.modulePaths[module] :
+                this.defaultPath;
+
+            path += '/res/templates/';
+
+            let name = file.substring(path.length).slice(0, -4);
+
+            if (module) {
+                name = module + ':' + name;
+            }
+
+            nameMap[file] = name
+        });
+
+        let contents = 'Espo.preCompiledTemplates = {\n';
+
+        for (let file in nameMap) {
+            let name = nameMap[file];
+
+            let templateContent = fs.readFileSync(file, 'utf8');
+            let compiled = Handlebars.precompile(templateContent);
+
+            contents += `'${name}': Handlebars.template(\n${compiled}\n),\n`;
+        }
+
+        contents += `\n}`;
+
+        return contents;
+    }
+}
+
+module.exports = TemplatePrecompiler;