87 lines
2.9 KiB
JavaScript
87 lines
2.9 KiB
JavaScript
/*
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_ __ _ __
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| | / /___ _(_) /____
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| | /| / / __ `/ / / ___/
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| |/ |/ / /_/ / / (__ )
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|__/|__/\__,_/_/_/____/
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The electron alternative for Go
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(c) Lea Anthony 2019-present
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*/
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/**
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* Logs a message to the console with custom formatting.
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* @param {string} message - The message to be logged.
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* @return {void}
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*/
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export function debugLog(message) {
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// eslint-disable-next-line
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console.log(
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'%c wails3 %c ' + message + ' ',
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'background: #aa0000; color: #fff; border-radius: 3px 0px 0px 3px; padding: 1px; font-size: 0.7rem',
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'background: #009900; color: #fff; border-radius: 0px 3px 3px 0px; padding: 1px; font-size: 0.7rem'
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);
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}
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/**
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* Checks whether the browser supports removing listeners by triggering an AbortSignal
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* (see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#signal)
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*
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* @return {boolean}
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*/
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export function canAbortListeners() {
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if (!EventTarget || !AbortSignal || !AbortController)
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return false;
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let result = true;
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const target = new EventTarget();
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const controller = new AbortController();
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target.addEventListener('test', () => { result = false; }, { signal: controller.signal });
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controller.abort();
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target.dispatchEvent(new CustomEvent('test'));
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return result;
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}
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/***
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This technique for proper load detection is taken from HTMX:
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BSD 2-Clause License
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Copyright (c) 2020, Big Sky Software
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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***/
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let isReady = false;
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document.addEventListener('DOMContentLoaded', () => isReady = true);
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export function whenReady(callback) {
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if (isReady || document.readyState === 'complete') {
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callback();
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} else {
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document.addEventListener('DOMContentLoaded', callback);
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}
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}
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