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ffa020f43a
Debug logs should all go to stderr.
85 lines
1.4 KiB
JavaScript
85 lines
1.4 KiB
JavaScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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const primordials = globalThis.__bootstrap.primordials;
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const {
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Promise,
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SafeArrayIterator,
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} = primordials;
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let logDebug = false;
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let logSource = "JS";
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function setLogDebug(debug, source) {
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logDebug = debug;
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if (source) {
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logSource = source;
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}
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}
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function log(...args) {
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if (logDebug) {
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// if we destructure `console` off `globalThis` too early, we don't bind to
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// the right console, therefore we don't log anything out.
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globalThis.console.error(
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`DEBUG ${logSource} -`,
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...new SafeArrayIterator(args),
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);
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}
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}
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function createResolvable() {
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let resolve;
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let reject;
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const promise = new Promise((res, rej) => {
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resolve = res;
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reject = rej;
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});
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promise.resolve = resolve;
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promise.reject = reject;
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return promise;
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}
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function writable(value) {
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return {
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value,
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writable: true,
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enumerable: true,
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configurable: true,
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};
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}
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function nonEnumerable(value) {
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return {
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value,
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writable: true,
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enumerable: false,
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configurable: true,
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};
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}
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function readOnly(value) {
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return {
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value,
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enumerable: true,
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writable: false,
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configurable: true,
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};
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}
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function getterOnly(getter) {
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return {
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get: getter,
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set() {},
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enumerable: true,
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configurable: true,
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};
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}
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export {
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createResolvable,
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getterOnly,
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log,
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nonEnumerable,
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readOnly,
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setLogDebug,
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writable,
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};
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