elk/composables/misc.ts

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import type { mastodon } from 'masto'
export const UserLinkRE = /^(?:https:\/)?\/([^/]+)\/@([^/]+)$/
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export const TagLinkRE = /^https?:\/\/([^/]+)\/tags\/([^/]+)$/
export const HTMLTagRE = /<[^>]+>/g
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export function getDataUrlFromArr(arr: Uint8ClampedArray, w: number, h: number) {
if (typeof w === 'undefined' || typeof h === 'undefined')
w = h = Math.sqrt(arr.length / 4)
const canvas = document.createElement('canvas')
const ctx = canvas.getContext('2d')!
canvas.width = w
canvas.height = h
const imgData = ctx.createImageData(w, h)
imgData.data.set(arr)
ctx.putImageData(imgData, 0, 0)
return canvas.toDataURL()
}
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export function emojisArrayToObject(emojis: mastodon.v1.CustomEmoji[]) {
return Object.fromEntries(emojis.map(i => [i.shortcode, i]))
}
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export function noop() {}
export function useIsMac() {
const headers = useRequestHeaders(['user-agent'])
return computed(() => headers['user-agent']?.includes('Macintosh')
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?? navigator?.platform?.includes('Mac') ?? false)
}
export function isEmptyObject(object: Object) {
return Object.keys(object).length === 0
}
export function removeHTMLTags(str: string) {
return str.replaceAll(HTMLTagRE, '')
}