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/// <reference lib="dom" />
const elem = (s: string) => document.createElement(s)
interface Opts { class?: string[] | string, id?: string, src?: string, onclick?: () => void }
function apply_opts(e: HTMLElement, o: Opts | undefined) {
if (!o) return
if (o.id) e.id = o.id
if (o.onclick) e.onclick = o.onclick
if (typeof o?.class == "string") e.classList.add(o.class)
if (typeof o?.class == "object") e.classList.add(...o.class)
}
const elem_with_content = (s: string) => (c: string, opts?: Opts) => {
const e = elem(s)
apply_opts(e, opts)
e.textContent = c
return e
}
const elem_with_children = (s: string) => (opts?: Opts, ...cs: (HTMLElement | string)[]) => {
const e = elem(s)
apply_opts(e, opts)
for (const c of cs) {
e.append(c)
}
return e
}
export const ep = elem_with_content("p")
export const eh1 = elem_with_content("h1")
export const eh2 = elem_with_content("h2")
export const eh3 = elem_with_content("h3")
export const eh4 = elem_with_content("h4")
export const eh5 = elem_with_content("h5")
export const eh6 = elem_with_content("h6")
export const ediv = elem_with_children("div")
export const espan = elem_with_content("span")
export const elabel = elem_with_content("label")
export const ebutton = elem_with_content("button")
export const ebr = () => document.createElement("br")
export const OVERLAYS = ediv({ class: "overlays" })
export class OverlayUi {
_shown = false
constructor(public el: HTMLElement, initial = false) {
this.shown = initial
}
get shown() { return this._shown }
set shown(v: boolean) {
if (v && !this._shown) OVERLAYS.append(this.el)
if (!v && this._shown) OVERLAYS.removeChild(this.el)
this._shown = v
}
}
export function image_view(url: string, opts?: Opts): HTMLElement {
const img = document.createElement("img")
apply_opts(img, opts)
img.src = url
img.alt = `Image (click to open)`
img.addEventListener("click", () => {
window.open(url, "_blank", "noreferrer=true,noopener=true,popup=true")
})
return img
}
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