// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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// ---------------------
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// helpers
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// ---------------------
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function encodeComponent(val, reserved, op) {
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return (reserved !== null && reserved !== void 0 ? reserved : op === "+") || op === "#"
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? encodeReservedComponent(val)
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: encodeRFC3986URIComponent(val);
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}
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function encodeReservedComponent(str) {
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return str
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.split(/(%[0-9A-Fa-f]{2})/g)
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.map((part) => (!/%[0-9A-Fa-f]/.test(part) ? encodeURI(part) : part))
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.join("");
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}
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function encodeRFC3986URIComponent(str) {
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return encodeURIComponent(str).replace(/[!'()*]/g, (c) => `%${c.charCodeAt(0).toString(16).toUpperCase()}`);
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}
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function isDefined(val) {
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return val !== undefined && val !== null;
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}
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function getNamedAndIfEmpty(op) {
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return [
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!!op && [";", "?", "&"].includes(op),
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!!op && ["?", "&"].includes(op) ? "=" : "",
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];
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}
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function getFirstOrSep(op, isFirst = false) {
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if (isFirst) {
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return !op || op === "+" ? "" : op;
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}
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else if (!op || op === "+" || op === "#") {
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return ",";
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}
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else if (op === "?") {
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return "&";
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}
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else {
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return op;
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}
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}
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function getExpandedValue(option) {
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let isFirst = option.isFirst;
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const { op, varName, varValue: value, reserved } = option;
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const vals = [];
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const [named, ifEmpty] = getNamedAndIfEmpty(op);
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if (Array.isArray(value)) {
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for (const val of value.filter(isDefined)) {
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// prepare the following parts: separator, varName, value
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vals.push(`${getFirstOrSep(op, isFirst)}`);
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if (named && varName) {
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vals.push(`${encodeURIComponent(varName)}`);
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val === "" ? vals.push(ifEmpty) : vals.push("=");
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}
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vals.push(encodeComponent(val, reserved, op));
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isFirst = false;
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}
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}
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else if (typeof value === "object") {
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for (const key of Object.keys(value)) {
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const val = value[key];
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if (!isDefined(val)) {
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continue;
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}
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// prepare the following parts: separator, key, value
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vals.push(`${getFirstOrSep(op, isFirst)}`);
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if (key) {
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vals.push(`${encodeURIComponent(key)}`);
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named && val === "" ? vals.push(ifEmpty) : vals.push("=");
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}
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vals.push(encodeComponent(val, reserved, op));
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isFirst = false;
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}
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}
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return vals.join("");
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}
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function getNonExpandedValue(option) {
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const { op, varName, varValue: value, isFirst, reserved } = option;
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const vals = [];
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const first = getFirstOrSep(op, isFirst);
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const [named, ifEmpty] = getNamedAndIfEmpty(op);
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if (named && varName) {
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vals.push(encodeComponent(varName, reserved, op));
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if (value === "") {
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if (!ifEmpty) {
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vals.push(ifEmpty);
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}
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return !vals.join("") ? undefined : `${first}${vals.join("")}`;
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}
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vals.push("=");
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}
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const items = [];
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if (Array.isArray(value)) {
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for (const val of value.filter(isDefined)) {
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items.push(encodeComponent(val, reserved, op));
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}
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}
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else if (typeof value === "object") {
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for (const key of Object.keys(value)) {
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if (!isDefined(value[key])) {
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continue;
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}
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items.push(encodeRFC3986URIComponent(key));
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items.push(encodeComponent(value[key], reserved, op));
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}
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}
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vals.push(items.join(","));
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return !vals.join(",") ? undefined : `${first}${vals.join("")}`;
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}
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function getVarValue(option) {
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const { op, varName, modifier, isFirst, reserved, varValue: value } = option;
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if (!isDefined(value)) {
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return undefined;
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}
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else if (["string", "number", "boolean"].includes(typeof value)) {
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let val = value.toString();
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const [named, ifEmpty] = getNamedAndIfEmpty(op);
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const vals = [getFirstOrSep(op, isFirst)];
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if (named && varName) {
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// No need to encode varName considering it is already encoded
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vals.push(varName);
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val === "" ? vals.push(ifEmpty) : vals.push("=");
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}
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if (modifier && modifier !== "*") {
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val = val.substring(0, parseInt(modifier, 10));
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}
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vals.push(encodeComponent(val, reserved, op));
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return vals.join("");
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}
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else if (modifier === "*") {
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return getExpandedValue(option);
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}
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else {
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return getNonExpandedValue(option);
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}
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}
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// ---------------------------------------------------------------------------------------------------
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// This is an implementation of RFC 6570 URI Template: https://datatracker.ietf.org/doc/html/rfc6570.
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// ---------------------------------------------------------------------------------------------------
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export function expandUrlTemplate(template, context, option) {
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return template.replace(/\{([^\{\}]+)\}|([^\{\}]+)/g, (_, expr, text) => {
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if (!expr) {
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return encodeReservedComponent(text);
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}
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let op;
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if (["+", "#", ".", "/", ";", "?", "&"].includes(expr[0])) {
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(op = expr[0]), (expr = expr.slice(1));
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}
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const varList = expr.split(/,/g);
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const result = [];
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for (const varSpec of varList) {
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const varMatch = /([^:\*]*)(?::(\d+)|(\*))?/.exec(varSpec);
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if (!varMatch || !varMatch[1]) {
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continue;
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}
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const varValue = getVarValue({
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isFirst: result.length === 0,
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op,
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varValue: context[varMatch[1]],
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varName: varMatch[1],
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modifier: varMatch[2] || varMatch[3],
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reserved: option === null || option === void 0 ? void 0 : option.allowReserved,
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});
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if (varValue) {
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result.push(varValue);
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}
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}
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return result.join("");
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});
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}
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//# sourceMappingURL=urlTemplate.js.map
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