134 lines
4.0 KiB
JavaScript
134 lines
4.0 KiB
JavaScript
function encodeReserved(str) {
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return str.split(/(%[0-9A-Fa-f]{2})/g).map(function(part) {
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if (!/%[0-9A-Fa-f]/.test(part)) {
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part = encodeURI(part).replace(/%5B/g, "[").replace(/%5D/g, "]");
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}
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return part;
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}).join("");
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}
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function encodeUnreserved(str) {
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return encodeURIComponent(str).replace(/[!'()*]/g, function(c) {
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return "%" + c.charCodeAt(0).toString(16).toUpperCase();
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});
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}
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function encodeValue(operator, value, key) {
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value = operator === "+" || operator === "#" ? encodeReserved(value) : encodeUnreserved(value);
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if (key) {
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return encodeUnreserved(key) + "=" + value;
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} else {
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return value;
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}
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}
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function isDefined(value) {
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return value !== void 0 && value !== null;
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}
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function isKeyOperator(operator) {
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return operator === ";" || operator === "&" || operator === "?";
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}
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function getValues(context, operator, key, modifier) {
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var value = context[key], result = [];
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if (isDefined(value) && value !== "") {
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if (typeof value === "string" || typeof value === "number" || typeof value === "boolean") {
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value = value.toString();
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if (modifier && modifier !== "*") {
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value = value.substring(0, parseInt(modifier, 10));
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}
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result.push(
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encodeValue(operator, value, isKeyOperator(operator) ? key : "")
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);
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} else {
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if (modifier === "*") {
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if (Array.isArray(value)) {
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value.filter(isDefined).forEach(function(value2) {
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result.push(
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encodeValue(operator, value2, isKeyOperator(operator) ? key : "")
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);
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});
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} else {
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Object.keys(value).forEach(function(k) {
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if (isDefined(value[k])) {
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result.push(encodeValue(operator, value[k], k));
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}
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});
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}
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} else {
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const tmp = [];
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if (Array.isArray(value)) {
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value.filter(isDefined).forEach(function(value2) {
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tmp.push(encodeValue(operator, value2));
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});
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} else {
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Object.keys(value).forEach(function(k) {
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if (isDefined(value[k])) {
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tmp.push(encodeUnreserved(k));
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tmp.push(encodeValue(operator, value[k].toString()));
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}
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});
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}
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if (isKeyOperator(operator)) {
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result.push(encodeUnreserved(key) + "=" + tmp.join(","));
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} else if (tmp.length !== 0) {
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result.push(tmp.join(","));
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}
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}
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}
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} else {
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if (operator === ";") {
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if (isDefined(value)) {
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result.push(encodeUnreserved(key));
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}
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} else if (value === "" && (operator === "&" || operator === "?")) {
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result.push(encodeUnreserved(key) + "=");
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} else if (value === "") {
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result.push("");
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}
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}
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return result;
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}
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function parseUrl(template) {
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return {
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expand: expand.bind(null, template)
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};
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}
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function expand(template, context) {
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var operators = ["+", "#", ".", "/", ";", "?", "&"];
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template = template.replace(
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/\{([^\{\}]+)\}|([^\{\}]+)/g,
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function(_, expression, literal) {
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if (expression) {
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let operator = "";
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const values = [];
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if (operators.indexOf(expression.charAt(0)) !== -1) {
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operator = expression.charAt(0);
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expression = expression.substr(1);
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}
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expression.split(/,/g).forEach(function(variable) {
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var tmp = /([^:\*]*)(?::(\d+)|(\*))?/.exec(variable);
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values.push(getValues(context, operator, tmp[1], tmp[2] || tmp[3]));
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});
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if (operator && operator !== "+") {
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var separator = ",";
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if (operator === "?") {
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separator = "&";
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} else if (operator !== "#") {
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separator = operator;
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}
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return (values.length !== 0 ? operator : "") + values.join(separator);
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} else {
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return values.join(",");
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}
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} else {
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return encodeReserved(literal);
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}
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}
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);
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if (template === "/") {
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return template;
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} else {
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return template.replace(/\/$/, "");
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}
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}
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export {
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parseUrl
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};
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