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431
node_modules/path-to-regexp/dist/index.js
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431
node_modules/path-to-regexp/dist/index.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.PathError = exports.TokenData = void 0;
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exports.parse = parse;
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exports.compile = compile;
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exports.match = match;
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exports.pathToRegexp = pathToRegexp;
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exports.stringify = stringify;
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const DEFAULT_DELIMITER = "/";
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const NOOP_VALUE = (value) => value;
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const ID_START = /^[$_\p{ID_Start}]$/u;
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const ID_CONTINUE = /^[$\u200c\u200d\p{ID_Continue}]$/u;
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const ID = /^[$_\p{ID_Start}][$\u200c\u200d\p{ID_Continue}]*$/u;
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/**
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* Escape text for stringify to path.
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*/
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function escapeText(str) {
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return str.replace(/[{}()\[\]+?!:*\\]/g, "\\$&");
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}
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/**
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* Escape a regular expression string.
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*/
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function escape(str) {
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return str.replace(/[.+*?^${}()[\]|/\\]/g, "\\$&");
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}
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/**
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* Tokenized path instance.
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*/
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class TokenData {
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constructor(tokens, originalPath) {
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this.tokens = tokens;
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this.originalPath = originalPath;
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}
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}
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exports.TokenData = TokenData;
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/**
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* ParseError is thrown when there is an error processing the path.
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*/
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class PathError extends TypeError {
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constructor(message, originalPath) {
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let text = message;
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if (originalPath)
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text += `: ${originalPath}`;
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text += `; visit https://git.new/pathToRegexpError for info`;
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super(text);
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this.originalPath = originalPath;
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}
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}
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exports.PathError = PathError;
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/**
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* Parse a string for the raw tokens.
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*/
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function parse(str, options = {}) {
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const { encodePath = NOOP_VALUE } = options;
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const chars = [...str];
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let index = 0;
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function consumeUntil(end) {
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const output = [];
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let path = "";
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function writePath() {
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if (!path)
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return;
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output.push({
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type: "text",
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value: encodePath(path),
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});
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path = "";
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}
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while (index < chars.length) {
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const value = chars[index++];
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if (value === end) {
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writePath();
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return output;
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}
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if (value === "\\") {
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if (index === chars.length) {
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throw new PathError(`Unexpected end after \\ at index ${index}`, str);
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}
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path += chars[index++];
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continue;
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}
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if (value === ":" || value === "*") {
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const type = value === ":" ? "param" : "wildcard";
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let name = "";
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if (ID_START.test(chars[index])) {
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do {
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name += chars[index++];
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} while (ID_CONTINUE.test(chars[index]));
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}
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else if (chars[index] === '"') {
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let quoteStart = index;
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while (index < chars.length) {
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if (chars[++index] === '"') {
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index++;
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quoteStart = 0;
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break;
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}
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// Increment over escape characters.
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if (chars[index] === "\\")
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index++;
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name += chars[index];
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}
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if (quoteStart) {
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throw new PathError(`Unterminated quote at index ${quoteStart}`, str);
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}
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}
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if (!name) {
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throw new PathError(`Missing parameter name at index ${index}`, str);
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}
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writePath();
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output.push({ type, name });
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continue;
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}
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if (value === "{") {
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writePath();
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output.push({
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type: "group",
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tokens: consumeUntil("}"),
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});
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continue;
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}
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if (value === "}" ||
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value === "(" ||
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value === ")" ||
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value === "[" ||
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value === "]" ||
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value === "+" ||
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value === "?" ||
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value === "!") {
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throw new PathError(`Unexpected ${value} at index ${index - 1}`, str);
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}
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path += value;
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}
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if (end) {
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throw new PathError(`Unexpected end at index ${index}, expected ${end}`, str);
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}
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writePath();
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return output;
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}
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return new TokenData(consumeUntil(""), str);
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}
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/**
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* Compile a string to a template function for the path.
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*/
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function compile(path, options = {}) {
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const { encode = encodeURIComponent, delimiter = DEFAULT_DELIMITER } = options;
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const data = typeof path === "object" ? path : parse(path, options);
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const fn = tokensToFunction(data.tokens, delimiter, encode);
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return function path(params = {}) {
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const missing = [];
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const path = fn(params, missing);
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if (missing.length) {
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throw new TypeError(`Missing parameters: ${missing.join(", ")}`);
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}
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return path;
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};
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}
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function tokensToFunction(tokens, delimiter, encode) {
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const encoders = tokens.map((token) => tokenToFunction(token, delimiter, encode));
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return (data, missing) => {
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let result = "";
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for (const encoder of encoders) {
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result += encoder(data, missing);
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}
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return result;
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};
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}
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/**
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* Convert a single token into a path building function.
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*/
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function tokenToFunction(token, delimiter, encode) {
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if (token.type === "text")
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return () => token.value;
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if (token.type === "group") {
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const fn = tokensToFunction(token.tokens, delimiter, encode);
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return (data, missing) => {
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const len = missing.length;
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const value = fn(data, missing);
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if (missing.length === len)
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return value;
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missing.length = len; // Reset optional group.
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return "";
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};
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}
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const encodeValue = encode || NOOP_VALUE;
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if (token.type === "wildcard" && encode !== false) {
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return (data, missing) => {
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const value = data[token.name];
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if (value == null) {
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missing.push(token.name);
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return "";
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}
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if (!Array.isArray(value) || value.length === 0) {
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throw new TypeError(`Expected "${token.name}" to be a non-empty array`);
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}
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let result = "";
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for (let i = 0; i < value.length; i++) {
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if (typeof value[i] !== "string") {
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throw new TypeError(`Expected "${token.name}/${i}" to be a string`);
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}
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if (i > 0)
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result += delimiter;
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result += encodeValue(value[i]);
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}
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return result;
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};
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}
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return (data, missing) => {
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const value = data[token.name];
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if (value == null) {
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missing.push(token.name);
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return "";
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}
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if (typeof value !== "string") {
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throw new TypeError(`Expected "${token.name}" to be a string`);
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}
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return encodeValue(value);
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};
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}
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/**
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* Transform a path into a match function.
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*/
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function match(path, options = {}) {
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const { decode = decodeURIComponent, delimiter = DEFAULT_DELIMITER } = options;
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const { regexp, keys } = pathToRegexp(path, options);
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const decoders = keys.map((key) => {
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if (decode === false)
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return NOOP_VALUE;
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if (key.type === "param")
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return decode;
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return (value) => value.split(delimiter).map(decode);
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});
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return function match(input) {
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const m = regexp.exec(input);
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if (!m)
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return false;
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const path = m[0];
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const params = Object.create(null);
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for (let i = 1; i < m.length; i++) {
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if (m[i] === undefined)
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continue;
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const key = keys[i - 1];
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const decoder = decoders[i - 1];
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params[key.name] = decoder(m[i]);
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}
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return { path, params };
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};
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}
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/**
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* Transform a path into a regular expression and capture keys.
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*/
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function pathToRegexp(path, options = {}) {
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const { delimiter = DEFAULT_DELIMITER, end = true, sensitive = false, trailing = true, } = options;
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const keys = [];
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let source = "";
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let combinations = 0;
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function process(path) {
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if (Array.isArray(path)) {
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for (const p of path)
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process(p);
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return;
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}
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const data = typeof path === "object" ? path : parse(path, options);
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flatten(data.tokens, 0, [], (tokens) => {
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if (combinations >= 256) {
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throw new PathError("Too many path combinations", data.originalPath);
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}
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if (combinations > 0)
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source += "|";
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source += toRegExpSource(tokens, delimiter, keys, data.originalPath);
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combinations++;
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});
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}
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process(path);
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let pattern = `^(?:${source})`;
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if (trailing)
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pattern += "(?:" + escape(delimiter) + "$)?";
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pattern += end ? "$" : "(?=" + escape(delimiter) + "|$)";
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return { regexp: new RegExp(pattern, sensitive ? "" : "i"), keys };
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}
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/**
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* Generate a flat list of sequence tokens from the given tokens.
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*/
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function flatten(tokens, index, result, callback) {
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while (index < tokens.length) {
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const token = tokens[index++];
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if (token.type === "group") {
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const len = result.length;
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flatten(token.tokens, 0, result, (seq) => flatten(tokens, index, seq, callback));
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result.length = len;
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continue;
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}
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result.push(token);
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}
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callback(result);
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}
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/**
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* Transform a flat sequence of tokens into a regular expression.
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*/
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function toRegExpSource(tokens, delimiter, keys, originalPath) {
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let result = "";
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let backtrack = "";
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let wildcardBacktrack = "";
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let prevCaptureType = 0;
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let hasSegmentCapture = 0;
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let index = 0;
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function hasInSegment(index, type) {
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while (index < tokens.length) {
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const token = tokens[index++];
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if (token.type === type)
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return true;
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if (token.type === "text") {
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if (token.value.includes(delimiter))
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break;
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}
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}
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return false;
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}
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function peekText(index) {
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let result = "";
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while (index < tokens.length) {
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const token = tokens[index++];
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if (token.type !== "text")
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break;
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result += token.value;
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}
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return result;
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}
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while (index < tokens.length) {
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const token = tokens[index++];
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if (token.type === "text") {
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result += escape(token.value);
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backtrack += token.value;
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if (prevCaptureType === 2)
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wildcardBacktrack += token.value;
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if (token.value.includes(delimiter))
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hasSegmentCapture = 0;
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continue;
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}
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if (token.type === "param" || token.type === "wildcard") {
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if (prevCaptureType && !backtrack) {
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throw new PathError(`Missing text before "${token.name}" ${token.type}`, originalPath);
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}
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if (token.type === "param") {
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result +=
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hasSegmentCapture & 2 // Seen wildcard in segment.
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? `(${negate(delimiter, backtrack)}+)`
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: hasInSegment(index, "wildcard") // See wildcard later in segment.
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? `(${negate(delimiter, peekText(index))}+)`
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: hasSegmentCapture & 1 // Seen parameter in segment.
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? `(${negate(delimiter, backtrack)}+|${escape(backtrack)})`
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: `(${negate(delimiter, "")}+)`;
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hasSegmentCapture |= prevCaptureType = 1;
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}
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else {
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result +=
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hasSegmentCapture & 2 // Seen wildcard in segment.
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? `(${negate(backtrack, "")}+)`
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: wildcardBacktrack // No capture in segment, seen wildcard in path.
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? `(${negate(wildcardBacktrack, "")}+|${negate(delimiter, "")}+)`
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: `([^]+)`;
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wildcardBacktrack = "";
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hasSegmentCapture |= prevCaptureType = 2;
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}
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keys.push(token);
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backtrack = "";
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continue;
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}
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throw new TypeError(`Unknown token type: ${token.type}`);
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}
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return result;
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}
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/**
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* Block backtracking on previous text/delimiter.
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*/
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function negate(a, b) {
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if (b.length > a.length)
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return negate(b, a); // Longest string first.
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if (a === b)
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b = ""; // Cleaner regex strings, no duplication.
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if (b.length > 1)
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return `(?:(?!${escape(a)}|${escape(b)})[^])`;
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if (a.length > 1)
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return `(?:(?!${escape(a)})[^${escape(b)}])`;
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return `[^${escape(a + b)}]`;
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}
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/**
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* Stringify an array of tokens into a path string.
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*/
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function stringifyTokens(tokens, index) {
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let value = "";
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while (index < tokens.length) {
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const token = tokens[index++];
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if (token.type === "text") {
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value += escapeText(token.value);
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continue;
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}
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if (token.type === "group") {
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value += "{" + stringifyTokens(token.tokens, 0) + "}";
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continue;
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}
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if (token.type === "param") {
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value += ":" + stringifyName(token.name, tokens[index]);
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continue;
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}
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if (token.type === "wildcard") {
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value += "*" + stringifyName(token.name, tokens[index]);
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continue;
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}
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throw new TypeError(`Unknown token type: ${token.type}`);
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}
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return value;
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}
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/**
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* Stringify token data into a path string.
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*/
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function stringify(data) {
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return stringifyTokens(data.tokens, 0);
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}
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/**
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* Stringify a parameter name, escaping when it cannot be emitted directly.
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*/
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function stringifyName(name, next) {
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if (!ID.test(name))
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return JSON.stringify(name);
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if ((next === null || next === void 0 ? void 0 : next.type) === "text" && ID_CONTINUE.test(next.value[0])) {
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return JSON.stringify(name);
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}
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return name;
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}
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//# sourceMappingURL=index.js.map
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