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server/util/TemplateEngine.ts

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+import { escapeHtml } from '@/legacy/escapeHtml';
+import linkifyStr from 'linkify-string';
+/**
+ * 단순한 Template 함수.  <%변수명%>으로 template 가능
+ * @see  https://github.com/krasimir/absurd/blob/master/lib/processors/html/helpers/TemplateEngine.js
+ * @param {string} html
+ * @param {object} options
+ * @returns {string}
+ */
+
+export function TemplateEngine(html: string, options: Record<string | number, unknown> = {}): string {
+    const re = /<%(.+?)%>/g;
+    const reExp = /(^( )?(var|if|for|else|switch|case|break|{|}|;))(.*)?/g;
+    const code = ['with(obj) { var r=[];\n'];
+    let cursor = 0;
+    const add = function (line: string, js?: boolean) {
+        js ? code.push(line.match(reExp) ? line + '\n' : 'r.push(' + line + ');\n') :
+            code.push(line != '' ? 'r.push("' + line.replace(/"/g, '\\"') + '");\n' : '');
+        return add;
+    };
+    options.e = escapeHtml;
+    options.linkifyStr = linkifyStr;
+    for (; ;) {
+        const match = re.exec(html);
+        if (!match) {
+            break;
+        }
+        add(html.slice(cursor, match.index))(match[1], true);
+        cursor = match.index + match[0].length;
+    }
+    add(html.substr(cursor, html.length - cursor));
+
+    code.push('return r.join(""); }');
+    const compiledCode = code.join('').replace(/[\r\t\n]/g, ' ');
+    try {
+        return new Function('obj', compiledCode).apply(options, [options]);
+    } catch (err: unknown) {
+        console.error(err, " in \n\nCode:\n", code, "\n");
+        throw err;
+    }
+}