factor out handlebars from util

1 files changed, 55 insertions, 0 deletions

diff --git a/ext/bg/js/handlebars.js b/ext/bg/js/handlebars.js
new file mode 100644
index 00000000..42b36927
--- /dev/null
+++ b/ext/bg/js/handlebars.js
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+function handlebarsEscape(text) {
+    return Handlebars.Utils.escapeExpression(text);
+}
+
+function handlebarsDumpObject(options) {
+    const dump = JSON.stringify(options.fn(this), null, 4);
+    return handlebarsEscape(dump);
+}
+
+function handlebarsKanjiLinks(options) {
+    let result = '';
+    for (const c of options.fn(this)) {
+        if (jpIsKanji(c)) {
+            result += `<a href="#" class="kanji-link">${c}</a>`;
+        } else {
+            result += c;
+        }
+    }
+
+    return result;
+}
+
+function handlebarsMultiLine(options) {
+    return options.fn(this).split('\n').join('<br>');
+}
+
+function handlebarsRegister() {
+    Handlebars.partials = Handlebars.templates;
+    Handlebars.registerHelper('dumpObject', handlebarsDumpObject);
+    Handlebars.registerHelper('kanjiLinks', handlebarsKanjiLinks);
+    Handlebars.registerHelper('multiLine', handlebarsMultiLine);
+}
+
+function handlebarsRender(template, data) {
+    return Handlebars.templates[template](data);
+}