forked from coracle/flotilla
Jon Staab
86 lines
2.1 KiB
TypeScript
86 lines
2.1 KiB
TypeScript
import type {Component} from "svelte"
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import {get, writable} from "svelte/store"
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import {randomId, always, assoc, Emitter} from "@welshman/lib"
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import {deriveDeduplicated} from "@welshman/store"
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import {goto} from "$app/navigation"
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import {page} from "$app/stores"
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export type ModalOptions = {
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drawer?: boolean
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nested?: boolean
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noEscape?: boolean
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fullscreen?: boolean
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replaceState?: boolean
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path?: string
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}
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export type Modal = {
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id: string
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component: Component
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props: Record<string, any>
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options: ModalOptions
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}
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export const emitter = new Emitter()
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export const modals = writable<Record<string, Modal>>({})
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const getIdsFromHash = (hash: string) => hash.slice(1).split(",").filter(Boolean)
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export const modalStack = deriveDeduplicated([page, modals], ([$page, $modals]) => {
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return getIdsFromHash($page.url.hash)
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.map(id => $modals[id])
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.filter(Boolean)
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})
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export const modal = deriveDeduplicated([page, modals], ([$page, $modals]) => {
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const ids = getIdsFromHash($page.url.hash)
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return $modals[ids.at(-1) || ""]
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})
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export const pushModal = (
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component: Component<any>,
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props: Record<string, any> = {},
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options: ModalOptions = {},
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) => {
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const id = randomId()
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const path = options.path || ""
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const existingIds = getIdsFromHash(get(page).url.hash)
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const ids = options.nested ? [...existingIds, id] : [id]
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modals.update(assoc(id, {id, component, props, options}))
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goto(path + "#" + ids.join(","), {replaceState: options.replaceState})
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return id
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}
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export const pushDrawer = (
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component: Component<any>,
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props: Record<string, any> = {},
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options: ModalOptions = {},
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) => pushModal(component, props, {...options, drawer: true})
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export const popModal = () => {
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const url = get(page).url
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const ids = getIdsFromHash(url.hash)
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if (ids.length === 0) {
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return
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}
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const next = ids.slice(0, -1).join(",")
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const hash = next ? `#${next}` : ""
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goto(url.pathname + url.search + hash, {replaceState: true})
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}
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export const clearModals = () => {
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const url = get(page).url
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goto(url.pathname + url.search, {replaceState: true})
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modals.update(always({}))
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emitter.emit("close")
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}
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