forked from extern/easydiffusion
86 lines
3.1 KiB
JavaScript
86 lines
3.1 KiB
JavaScript
const themeField = document.getElementById("theme")
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var DEFAULT_THEME = {}
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var THEMES = [] // initialized in initTheme from data in css
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function getThemeName(theme) {
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theme = theme.replace("theme-", "")
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theme = theme
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.split("-")
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.map((word) => word.charAt(0).toUpperCase() + word.slice(1))
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.join(" ")
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return theme
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}
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// init themefield
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function initTheme() {
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Array.from(document.styleSheets)
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.filter((sheet) => sheet.href?.startsWith(window.location.origin))
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.flatMap((sheet) => Array.from(sheet.cssRules))
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.forEach((rule) => {
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var selector = rule.selectorText
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if (selector && selector.startsWith(".theme-") && !selector.includes(" ")) {
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if (DEFAULT_THEME) {
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// re-add props that dont change (css needs this so they update correctly)
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Array.from(DEFAULT_THEME.rule.style)
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.filter((cssVariable) => !Array.from(rule.style).includes(cssVariable))
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.forEach((cssVariable) => {
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rule.style.setProperty(cssVariable, DEFAULT_THEME.rule.style.getPropertyValue(cssVariable))
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})
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}
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var theme_key = selector.substring(1)
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THEMES.push({
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key: theme_key,
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name: getThemeName(theme_key),
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rule: rule
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})
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}
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if (selector && selector == ":root") {
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DEFAULT_THEME = {
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key: "theme-default",
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name: "Default",
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rule: rule
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}
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}
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})
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THEMES.forEach((theme) => {
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var new_option = document.createElement("option")
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new_option.setAttribute("value", theme.key)
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new_option.innerText = theme.name
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themeField.appendChild(new_option)
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})
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// setup the style transitions a second after app initializes, so initial style is instant
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setTimeout(() => {
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var body = document.querySelector("body")
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var style = document.createElement("style")
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style.innerHTML = "* { transition: background 0.5s, color 0.5s, background-color 0.5s; }"
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body.appendChild(style)
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}, 1000)
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}
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initTheme()
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function themeFieldChanged() {
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var theme_key = themeField.value
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var body = document.querySelector("body")
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body.classList.remove(...THEMES.map((theme) => theme.key))
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body.classList.add(theme_key)
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//
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body.style = ""
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var theme = THEMES.find((t) => t.key == theme_key)
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let borderColor = undefined
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if (theme) {
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borderColor = theme.rule.style.getPropertyValue("--input-border-color").trim()
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if (!borderColor.startsWith("#")) {
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borderColor = theme.rule.style.getPropertyValue("--theme-color-fallback")
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}
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} else {
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borderColor = DEFAULT_THEME.rule.style.getPropertyValue("--theme-color-fallback")
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}
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document.querySelector('meta[name="theme-color"]').setAttribute("content", borderColor)
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}
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themeField.addEventListener("change", themeFieldChanged)
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