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feat: add option to set default theme and hide toggle button (#146)
resolves #135 Light / dark theme can be configured via: ```yaml theme: # light | dark | system default: system displayToggle: true ```
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,40 +1,51 @@ | ||
| // Dark theme toggle | ||
| // Light / Dark theme toggle | ||
| (function () { | ||
| const defaultTheme = '{{ site.Params.theme.default | default `system`}}' | ||
|
|
||
| const themeToggleButtons = document.querySelectorAll(".theme-toggle"); | ||
| const themeToggleButtons = document.querySelectorAll(".theme-toggle"); | ||
|
|
||
| // Change the icons inside the button based on previous settings | ||
| if ( | ||
| localStorage.getItem("color-theme") === "dark" || | ||
| (!("color-theme" in localStorage) && window.matchMedia("(prefers-color-scheme: dark)").matches) | ||
| ) { | ||
| themeToggleButtons.forEach((el) => el.dataset.theme = "dark"); | ||
| } else { | ||
| themeToggleButtons.forEach((el) => el.dataset.theme = "light"); | ||
| } | ||
| // Change the icons of the buttons based on previous settings or system theme | ||
| if ( | ||
| localStorage.getItem("color-theme") === "dark" || | ||
| (!("color-theme" in localStorage) && | ||
| ((window.matchMedia("(prefers-color-scheme: dark)").matches && defaultTheme === "system") || defaultTheme === "dark")) | ||
| ) { | ||
| themeToggleButtons.forEach((el) => el.dataset.theme = "dark"); | ||
| } else { | ||
| themeToggleButtons.forEach((el) => el.dataset.theme = "light"); | ||
| } | ||
|
|
||
| themeToggleButtons.forEach((el) => { | ||
| el.addEventListener("click", function () { | ||
| if (localStorage.getItem("color-theme")) { | ||
| if (localStorage.getItem("color-theme") === "light") { | ||
| document.documentElement.classList.add("dark"); | ||
| document.documentElement.style.colorScheme = "dark"; | ||
| localStorage.setItem("color-theme", "dark"); | ||
| // Add click event handler to the buttons | ||
| themeToggleButtons.forEach((el) => { | ||
| el.addEventListener("click", function () { | ||
| if (localStorage.getItem("color-theme")) { | ||
| if (localStorage.getItem("color-theme") === "light") { | ||
| setDarkTheme(); | ||
| localStorage.setItem("color-theme", "dark"); | ||
| } else { | ||
| setLightTheme(); | ||
| localStorage.setItem("color-theme", "light"); | ||
| } | ||
| } else { | ||
| document.documentElement.classList.remove("dark"); | ||
| document.documentElement.style.colorScheme = "light"; | ||
| localStorage.setItem("color-theme", "light"); | ||
| } | ||
| } else { | ||
| if (document.documentElement.classList.contains("dark")) { | ||
| document.documentElement.classList.remove("dark"); | ||
| document.documentElement.style.colorScheme = "light"; | ||
| localStorage.setItem("color-theme", "light"); | ||
| } else { | ||
| document.documentElement.classList.add("dark"); | ||
| document.documentElement.style.colorScheme = "dark"; | ||
| localStorage.setItem("color-theme", "dark"); | ||
| if (document.documentElement.classList.contains("dark")) { | ||
| setLightTheme(); | ||
| localStorage.setItem("color-theme", "light"); | ||
| } else { | ||
| setDarkTheme(); | ||
| localStorage.setItem("color-theme", "dark"); | ||
| } | ||
| } | ||
| el.dataset.theme = document.documentElement.classList.contains("dark") ? "dark" : "light"; | ||
| }); | ||
| }); | ||
|
|
||
| // Listen for system theme changes | ||
| window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", (e) => { | ||
| if (defaultTheme === "system" && !("color-theme" in localStorage)) { | ||
| e.matches ? setDarkTheme() : setLightTheme(); | ||
| themeToggleButtons.forEach((el) => | ||
| el.dataset.theme = document.documentElement.classList.contains("dark") ? "dark" : "light" | ||
| ); | ||
| } | ||
| el.dataset.theme = document.documentElement.classList.contains("dark") ? "dark" : "light"; | ||
| }); | ||
| }); | ||
| })(); |
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