rfc6570-expand/lib/variables.js

A template processor for RFC 6570 URI Template

"use strict";
const isArray = (variable) => {
    return Array.isArray(variable) && !Array.isArray(variable[0]);
};
exports.isArray = isArray;
const isDefined = (variable) => {
    return typeof variable !== 'undefined';
};
exports.isDefined = isDefined;
const isObject = (variable) => {
    return Array.isArray(variable) && Array.isArray(variable[0]);
};
exports.isObject = isObject;
const isString = (variable) => {
    return typeof variable === 'string';
};
exports.isString = isString;
const normalizeVariable = (variable) => {
    if (typeof variable === 'undefined')
        return undefined;
    if (variable === null)
        return undefined;
    if (typeof variable === 'boolean')
        return String(variable);
    if (typeof variable === 'number')
        return String(variable);
    if (typeof variable === 'string')
        return variable;
    if (typeof variable === 'object') {
        if (Array.isArray(variable)) {
            return variable.map(toString);
        }
        else {
            return Object.keys(variable).map((key) => {
                return [key, toString(variable[key])];
            });
        }
    }
    if (typeof variable === 'function')
        return variable.toString();
    return variable.toString();
};
const normalizeVariables = (variables) => {
    return Object.keys(variables).map(key => {
        return [key, normalizeVariable(variables[key])];
    }).reduce((normalized, [key, value]) => {
        return Object.assign(normalized, { [key]: value });
    }, {});
};
exports.normalizeVariables = normalizeVariables;
const toString = (variable) => {
    if (typeof variable === 'undefined')
        return undefined;
    if (variable === null)
        return undefined;
    if (typeof variable === 'boolean')
        return String(variable);
    if (typeof variable === 'number')
        return String(variable);
    if (typeof variable === 'string')
        return variable;
    if (typeof variable === 'function')
        return variable.toString();
    return variable.toString();
};