arangojs
Version:
The official ArangoDB JavaScript driver.
114 lines • 2.89 kB
JavaScript
;
/**
* Utility functions for arangojs.
*
* @packageDocumentation
* @internal
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateStackTrace = exports.createTimer = exports.generateRequestId = exports.normalizeUrl = exports.mergeHeaders = exports.joinPath = void 0;
const THIRTY_MINUTES = 30 * 60_000;
/**
* @internal
*
* Helper to merge path segments.
*/
function joinPath(...pathList) {
if (!pathList.length)
return "";
return pathList
.flatMap((path, i) => {
if (!path)
return [];
if (i === pathList.length - 1) {
if (i === 0)
return [path];
return [path.replace(/^\/+/, "")];
}
if (i === 0)
return [path.replace(/\/+$/, "")];
return [path.replace(/^\/+|\/+$/, "")];
})
.join("/");
}
exports.joinPath = joinPath;
/**
* @internal
*
* Utility function for merging headers.
*/
function mergeHeaders(...headersList) {
if (!headersList.length)
return new Headers();
return new Headers([
...headersList.flatMap((headers) => headers
? [
...(headers instanceof Headers || Array.isArray(headers)
? headers
: new Headers(headers)),
]
: []),
]);
}
exports.mergeHeaders = mergeHeaders;
/**
* @internal
*
* Utility function for normalizing URLs.
*/
function normalizeUrl(url) {
const raw = url.match(/^(tcp|ssl|tls)((?::|\+).+)/);
if (raw)
url = (raw[1] === "tcp" ? "http" : "https") + raw[2];
const unix = url.match(/^(?:(http|https)\+)?unix:\/\/(\/.+)/);
if (unix)
url = `${unix[1] || "http"}://unix:${unix[2]}`;
else if (!url.endsWith("/"))
url += "/";
return url;
}
exports.normalizeUrl = normalizeUrl;
/**
* @internal
*
* Generate a unique request ID.
*/
function generateRequestId() {
return `${Date.now() % THIRTY_MINUTES}_${Math.random().toString(36).substring(2, 15)}`;
}
exports.generateRequestId = generateRequestId;
/**
* @internal
*
* Creates a timer that will call the given callback after the specified
* timeout.
*
* @param timeout - Number of milliseconds after which the callback will be
* called.
* @param callback - Callback to call after the timeout.
* @returns A function that clears the timer.
*/
function createTimer(timeout, callback) {
const t = setTimeout(callback, timeout);
return () => clearTimeout(t);
}
exports.createTimer = createTimer;
/**
* @internal
*
* Generates a stack trace.
*/
function generateStackTrace() {
let err = new Error();
if (!err.stack) {
try {
throw err;
}
catch (e) {
err = e;
}
}
return err;
}
exports.generateStackTrace = generateStackTrace;
//# sourceMappingURL=util.js.map