Files
vite_front/hwe/ts/util/TemplateEngine.ts
T
2022-07-08 00:11:41 +09:00

42 lines
1.5 KiB
TypeScript

import { escapeHtml } from '@/legacy/escapeHtml';
import linkifyStr from 'linkifyjs/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;
}
}