48a1bd47b3
The point of this PR is to make it easier to implement scrollbars (#683). With this PR, the themes move from a body tag-based system (e.g. `body.theme-scarlet`) to a system where they simply declare global CSS and we use CSS specificity order to give us the right theme.
33 lines
1.5 KiB
JavaScript
33 lines
1.5 KiB
JavaScript
// For perf reasons, this script is run inline to quickly set certain styles.
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// To allow CSP to work correctly, we also calculate a sha256 hash during
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// the build process and write it to inline-script-checksum.json.
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window.__themeColors = process.env.THEME_COLORS
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if (localStorage.store_currentInstance && localStorage.store_instanceThemes) {
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let safeParse = (str) => str === 'undefined' ? undefined : JSON.parse(str)
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let theme = safeParse(localStorage.store_instanceThemes)[safeParse(localStorage.store_currentInstance)]
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if (theme && theme !== 'default') {
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let link = document.createElement('link')
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link.rel = 'stylesheet'
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link.href = `/theme-${theme}.css`
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// inserting before the offline <style> ensures that the offline style wins when offline
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document.head.insertBefore(link, document.getElementById('theOfflineStyle'))
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if (window.__themeColors[theme]) {
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document.getElementById('theThemeColor').content = window.__themeColors[theme]
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}
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}
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}
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if (!localStorage.store_currentInstance) {
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// if not logged in, show all these 'hidden-from-ssr' elements
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let style = document.createElement('style')
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style.textContent = '.hidden-from-ssr { opacity: 1 !important; }'
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document.head.appendChild(style)
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}
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// TODO: remove this hack when Safari works with cross-origin window.open()
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// in a PWA: https://github.com/nolanlawson/pinafore/issues/45
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if (/iP(?:hone|ad|od)/.test(navigator.userAgent)) {
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document.head.removeChild(document.getElementById('theManifest'))
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}
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