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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);
- }
- });
- }
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