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

First-class Twig engine for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createMacroTagHandler = void 0;
/**
 * Defines a macro.
 *
 * <pre>
 * {% macro input(name, value, type, size) %}
 *    <input type="{{ type|default('text') }}" name="{{ name }}" value="{{ value|e }}" size="{{ size|default(20) }}" />
 * {% endmacro %}
 * </pre>
 */
const parsing_1 = require("../error/parsing");
const macro_1 = require("../node/macro");
const get_key_value_pairs_1 = require("../helpers/get-key-value-pairs");
const node_1 = require("../../lib/node");
const createMacroTagHandler = () => {
    const tag = 'macro';
    return {
        tag,
        initialize: (parser) => {
            return (token, stream) => {
                const { line, column } = token;
                const name = stream.expect("NAME").value;
                const macroArguments = parser.parseArguments(stream, true, true);
                for (const { key, value: macroArgument } of (0, get_key_value_pairs_1.getKeyValuePairs)(macroArguments)) {
                    const { value: argumentName } = key.attributes;
                    if (argumentName === macro_1.VARARGS_NAME) {
                        throw (0, parsing_1.createParsingError)(`The argument "${macro_1.VARARGS_NAME}" in macro "${name}" cannot be defined because the variable "${macro_1.VARARGS_NAME}" is reserved for arbitrary arguments.`, macroArgument, stream.source);
                    }
                }
                stream.expect("TAG_END");
                parser.pushLocalScope();
                const body = parser.subparse(stream, tag, (token) => {
                    return token.test("NAME", 'endmacro');
                });
                stream.next();
                const nextToken = stream.nextIf("NAME");
                if (nextToken) {
                    const value = nextToken.value;
                    if (value != name) {
                        const { line, column } = nextToken;
                        throw (0, parsing_1.createParsingError)(`Expected endmacro for macro "${name}" (but "${value}" given).`, { line, column }, stream.source);
                    }
                }
                parser.popLocalScope();
                stream.expect("TAG_END");
                parser.setMacro(name, (0, macro_1.createMacroNode)(name, (0, node_1.createNode)({ body }, line, column), macroArguments, line, column, tag));
                return null;
            };
        }
    };
};
exports.createMacroTagHandler = createMacroTagHandler;