34 lines
852 B
JavaScript
34 lines
852 B
JavaScript
const DEFAULT_CONFIG = {
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crt: false
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};
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const config = (() => {
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let saved = localStorage.getItem("config");
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if (saved) {
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const config = JSON.parse(saved);
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setCRT(config.crt || DEFAULT_CONFIG.crt);
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return config;
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}
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localStorage.setItem("config", JSON.stringify(DEFAULT_CONFIG));
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return DEFAULT_CONFIG;
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})();
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function saveConfig() {
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localStorage.setItem("config", JSON.stringify(config));
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}
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document.getElementById("toggle-crt").addEventListener("click", () => {
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config.crt = !config.crt;
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setCRT(config.crt);
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saveConfig();
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});
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function setCRT(/** @type boolean */ enabled) {
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if (enabled) {
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document.body.classList.add("crt");
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} else {
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document.body.classList.remove("crt");
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}
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document.getElementById('toggle-crt').className = enabled ? "" : "disabled";
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}
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