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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
((window) => {
const { build } = window.__bootstrap.build;
const internals = window.__bootstrap.internals;
let logDebug = false;
let logSource = "JS";
function setLogDebug(debug, source) {
logDebug = debug;
if (source) {
logSource = source;
}
}
function log(...args) {
if (logDebug) {
// if we destructure `console` off `globalThis` too early, we don't bind to
// the right console, therefore we don't log anything out.
globalThis.console.log(`DEBUG ${logSource} -`, ...args);
}
}
class AssertionError extends Error {
constructor(msg) {
super(msg);
this.name = "AssertionError";
}
}
function assert(cond, msg = "Assertion failed.") {
if (!cond) {
throw new AssertionError(msg);
}
}
function createResolvable() {
let resolve;
let reject;
const promise = new Promise((res, rej) => {
resolve = res;
reject = rej;
});
promise.resolve = resolve;
promise.reject = reject;
return promise;
}
function notImplemented() {
throw new Error("not implemented");
}
function immutableDefine(
o,
p,
// eslint-disable-next-line @typescript-eslint/no-explicit-any
value,
) {
Object.defineProperty(o, p, {
value,
configurable: false,
writable: false,
});
}
function pathFromURLWin32(url) {
const hostname = url.hostname;
const pathname = decodeURIComponent(url.pathname.replace(/\//g, "\\"));
if (hostname !== "") {
//TODO(actual-size) Node adds a punycode decoding step, we should consider adding this
return `\\\\${hostname}${pathname}`;
}
const validPath = /^\\(?<driveLetter>[A-Za-z]):\\/;
const matches = validPath.exec(pathname);
if (!matches?.groups?.driveLetter) {
throw new TypeError("A URL with the file schema must be absolute.");
}
// we don't want a leading slash on an absolute path in Windows
return pathname.slice(1);
}
function pathFromURLPosix(url) {
if (url.hostname !== "") {
throw new TypeError(`Host must be empty.`);
}
return decodeURIComponent(url.pathname);
}
function pathFromURL(pathOrUrl) {
if (pathOrUrl instanceof URL) {
if (pathOrUrl.protocol != "file:") {
throw new TypeError("Must be a file URL.");
}
return build.os == "windows"
? pathFromURLWin32(pathOrUrl)
: pathFromURLPosix(pathOrUrl);
}
return pathOrUrl;
}
internals.exposeForTest("pathFromURL", pathFromURL);
function writable(value) {
return {
value,
writable: true,
enumerable: true,
configurable: true,
};
}
function nonEnumerable(value) {
return {
value,
writable: true,
configurable: true,
};
}
function readOnly(value) {
return {
value,
enumerable: true,
};
}
function getterOnly(getter) {
return {
get: getter,
enumerable: true,
};
}
window.__bootstrap.util = {
log,
setLogDebug,
notImplemented,
createResolvable,
assert,
AssertionError,
immutableDefine,
pathFromURL,
writable,
nonEnumerable,
readOnly,
getterOnly,
};
})(this);
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