twing/dist/cjs/lib/tag-handler/extends.js

First-class Twig engine for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createExtendsTagHandler = void 0;
/**
 * Loops over each item of a sequence.
 *
 * <pre>
 * <ul>
 *  {% for user in users %}
 *    <li>{{ user.username|e }}</li>
 *  {% endfor %}
 * </ul>
 * </pre>
 */
const parsing_1 = require("../error/parsing");
const createExtendsTagHandler = () => {
    const tag = 'extends';
    return {
        tag,
        initialize: (parser) => {
            return (token, stream) => {
                const { line, column } = token;
                if (parser.peekBlockStack()) {
                    throw (0, parsing_1.createParsingError)('Cannot use "extend" in a block.', { line, column }, stream.source);
                }
                else if (!parser.isMainScope()) {
                    throw (0, parsing_1.createParsingError)('Cannot use "extend" in a macro.', { line, column }, stream.source);
                }
                if (parser.parent !== null) {
                    throw (0, parsing_1.createParsingError)('Multiple extends tags are forbidden.', { line, column }, stream.source);
                }
                parser.parent = parser.parseExpression(stream);
                stream.expect("TAG_END");
                return null;
            };
        }
    };
};
exports.createExtendsTagHandler = createExtendsTagHandler;