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// Based on https://github.com/bramstein/url-template, licensed under BSD
// TODO: create separate package.
//
// Copyright (c) 2012-2014, Bram Stein
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products
// derived from this software without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/* istanbul ignore file */
function encodeReserved(str) {
return str
.split(/(%[0-9A-Fa-f]{2})/g)
.map(function (part) {
if (!/%[0-9A-Fa-f]/.test(part)) {
part = encodeURI(part).replace(/%5B/g, "[").replace(/%5D/g, "]");
}
return part;
})
.join("");
}
function encodeUnreserved(str) {
return encodeURIComponent(str).replace(/[!'()*]/g, function (c) {
return "%" + c.charCodeAt(0).toString(16).toUpperCase();
});
}
function encodeValue(operator, value, key) {
value =
operator === "+" || operator === "#"
? encodeReserved(value)
: encodeUnreserved(value);
if (key) {
return encodeUnreserved(key) + "=" + value;
}
else {
return value;
}
}
function isDefined(value) {
return value !== undefined && value !== null;
}
function isKeyOperator(operator) {
return operator === ";" || operator === "&" || operator === "?";
}
function getValues(context, operator, key, modifier) {
var value = context[key], result = [];
if (isDefined(value) && value !== "") {
if (typeof value === "string" ||
typeof value === "number" ||
typeof value === "boolean") {
value = value.toString();
if (modifier && modifier !== "*") {
value = value.substring(0, parseInt(modifier, 10));
}
result.push(encodeValue(operator, value, isKeyOperator(operator) ? key : ""));
}
else {
if (modifier === "*") {
if (Array.isArray(value)) {
value.filter(isDefined).forEach(function (value) {
result.push(encodeValue(operator, value, isKeyOperator(operator) ? key : ""));
});
}
else {
Object.keys(value).forEach(function (k) {
if (isDefined(value[k])) {
result.push(encodeValue(operator, value[k], k));
}
});
}
}
else {
const tmp = [];
if (Array.isArray(value)) {
value.filter(isDefined).forEach(function (value) {
tmp.push(encodeValue(operator, value));
});
}
else {
Object.keys(value).forEach(function (k) {
if (isDefined(value[k])) {
tmp.push(encodeUnreserved(k));
tmp.push(encodeValue(operator, value[k].toString()));
}
});
}
if (isKeyOperator(operator)) {
result.push(encodeUnreserved(key) + "=" + tmp.join(","));
}
else if (tmp.length !== 0) {
result.push(tmp.join(","));
}
}
}
}
else {
if (operator === ";") {
if (isDefined(value)) {
result.push(encodeUnreserved(key));
}
}
else if (value === "" && (operator === "&" || operator === "?")) {
result.push(encodeUnreserved(key) + "=");
}
else if (value === "") {
result.push("");
}
}
return result;
}
export function parseUrl(template) {
return {
expand: expand.bind(null, template),
};
}
function expand(template, context) {
var operators = ["+", "#", ".", "/", ";", "?", "&"];
return template.replace(/\{([^\{\}]+)\}|([^\{\}]+)/g, function (_, expression, literal) {
if (expression) {
let operator = "";
const values = [];
if (operators.indexOf(expression.charAt(0)) !== -1) {
operator = expression.charAt(0);
expression = expression.substr(1);
}
expression.split(/,/g).forEach(function (variable) {
var tmp = /([^:\*]*)(?::(\d+)|(\*))?/.exec(variable);
values.push(getValues(context, operator, tmp[1], tmp[2] || tmp[3]));
});
if (operator && operator !== "+") {
var separator = ",";
if (operator === "?") {
separator = "&";
}
else if (operator !== "#") {
separator = operator;
}
return (values.length !== 0 ? operator : "") + values.join(separator);
}
else {
return values.join(",");
}
}
else {
return encodeReserved(literal);
}
});
}