rfc6570-expand/lib/index.js

A template processor for RFC 6570 URI Template

"use strict";
const variables_1 = require('./variables');
const expression_1 = require('./expression');
const literals_1 = require('./literals');
const init = (template) => {
    const expand = (variables) => {
        const normalized = variables_1.normalizeVariables(variables);
        const result = [];
        let index = 0;
        while (true) {
            const openIndex = template.indexOf('{', index);
            if (openIndex < 0) {
                result.push(literals_1.literals(template.slice(index)));
                break;
            }
            result.push(literals_1.literals(template.slice(index, openIndex)));
            const closeIndex = template.indexOf('}', openIndex + 1);
            if (closeIndex < 0) {
                throw new Error();
            }
            result.push(expression_1.expression(template.slice(openIndex, closeIndex + 1), normalized));
            index = closeIndex + 1;
        }
        return result.join('');
    };
    return { expand: expand };
};
exports.init = init;