yarn 4

frontend/src/lib/store.ts

@@ -0,0 +1,84 @@
+import { get, writable } from "svelte/store"
+
+/*********** location **************************/
+
+const initLoc = {
+    path: (typeof window !== "undefined" && window.location?.pathname) || "/",
+    search: (typeof window !== "undefined" && window.location?.search) || "",
+    hash: (typeof window !== "undefined" && window.location?.hash) || "",
+    push: false,
+    pop: false,
+}
+export const location = writable<LocationStore>(initLoc)
+
+const publishLocation = (_p?: string) => {
+    let _s: string
+    let _h: string
+    if (_p) {
+        const parts = _p.split("#")
+        _p = parts.shift()
+        _h = parts.join()
+        if (_h) _h = "#" + _h
+
+        const parts2 = _p.split("?")
+        _p = parts2.shift()
+        _s = parts2.join()
+        if (_s) _s = "?" + _s
+    }
+
+    const newLocation: LocationStore = {
+        path: _p || (typeof window !== "undefined" && window.location?.pathname),
+        search: _p ? _s : typeof window !== "undefined" && window.location?.search,
+        hash: _p ? _h : typeof window !== "undefined" && window.location?.hash,
+        push: !!_p,
+        pop: !_p,
+        previousLocation: get(location),
+    }
+    location.set(newLocation)
+}
+
+if (typeof history !== "undefined") {
+    if (typeof Proxy !== "undefined") {
+        // modern browser
+        const historyApply = (
+            target: (this: any, ...args: readonly any[]) => unknown,
+            thisArg: any,
+            argumentsList: string | readonly any[]
+        ) => {
+            publishLocation(argumentsList && argumentsList.length >= 2 && argumentsList[2])
+            Reflect.apply(target, thisArg, argumentsList)
+        }
+
+        history.pushState = new Proxy(history.pushState, {
+            apply: historyApply,
+        })
+
+        history.replaceState = new Proxy(history.replaceState, {
+            apply: historyApply,
+        })
+    } else {
+        // ie11
+        const pushStateFn = history.pushState
+        const replaceStateFn = history.replaceState
+
+        history.pushState = function (data: any, title: string, url?: string) {
+            publishLocation(url)
+            // @ts-ignore
+            return pushStateFn.apply(history, arguments)
+        }
+        history.replaceState = function (data: any, title: string, url?: string) {
+            publishLocation(url)
+            // @ts-ignore
+            return replaceStateFn.apply(history, arguments)
+        }
+    }
+} // else ssr -> no history handling
+
+typeof window !== "undefined" &&
+    window.addEventListener("popstate", (event) => {
+        publishLocation()
+    })
+
+/********************** override for admin ui *****************/
+
+export const apiBaseOverride = writable<string | null>(null)