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

First-class Twig engine for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createUseTagHandler = void 0;
const parsing_1 = require("../error/parsing");
const constant_1 = require("../node/expression/constant");
const trait_1 = require("../node/trait");
const node_1 = require("../node");
const createUseTagHandler = () => {
    const tag = 'use';
    return {
        tag,
        initialize: (parser) => {
            return (token, stream) => {
                const { line, column } = token;
                const template = parser.parseExpression(stream);
                if (template.type !== "constant") {
                    throw (0, parsing_1.createParsingError)('The template references in a "use" statement must be a string.', { line, column }, stream.source);
                }
                const targets = {};
                if (stream.nextIf("NAME", 'with')) {
                    do {
                        const name = stream.expect("NAME").value;
                        let alias = name;
                        if (stream.nextIf("NAME", 'as')) {
                            alias = stream.expect("NAME").value;
                        }
                        targets[name] = (0, constant_1.createConstantNode)(alias, line, column);
                        if (!stream.nextIf("PUNCTUATION", ',')) {
                            break;
                        }
                    } while (true);
                }
                stream.expect("TAG_END");
                parser.addTrait((0, trait_1.createTraitNode)(template, (0, node_1.createNode)(targets, line, column), line, column));
                return (0, node_1.createNode)({}, line, column, tag);
            };
        }
    };
};
exports.createUseTagHandler = createUseTagHandler;