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import { get } from 'svelte/store';
import { clientWritable } from './internal/helpers.js';
let toastsCounter = 0;
function createToastState() {
const toasts = clientWritable([]);
const heights = clientWritable([]);
function addToast(data) {
toasts.update((prev) => [data, ...prev]);
}
function create(data) {
const { message, ...rest } = data;
const id = typeof data?.id === 'number' || (data.id && data.id?.length > 0)
? data.id
: toastsCounter++;
const dismissable = data.dismissable === undefined ? true : data.dismissable;
const type = data.type === undefined ? 'default' : data.type;
const $toasts = get(toasts);
const alreadyExists = $toasts.find((toast) => {
return toast.id === id;
});
if (alreadyExists) {
toasts.update((prev) => prev.map((toast) => {
if (toast.id === id) {
return {
...toast,
...data,
id,
title: message,
dismissable,
type,
updated: true
};
}
return {
...toast,
updated: false
};
}));
}
else {
addToast({ ...rest, id, title: message, dismissable, type });
}
return id;
}
function dismiss(id) {
if (id === undefined) {
toasts.update((prev) => prev.map((toast) => ({ ...toast, dismiss: true })));
return;
}
toasts.update((prev) => prev.map((toast) => (toast.id === id ? { ...toast, dismiss: true } : toast)));
return id;
}
function remove(id) {
if (id === undefined) {
toasts.set([]);
return;
}
toasts.update((prev) => prev.filter((toast) => toast.id !== id));
return id;
}
function message(message, data) {
return create({ ...data, type: 'default', message });
}
function error(message, data) {
return create({ ...data, type: 'error', message });
}
function success(message, data) {
return create({ ...data, type: 'success', message });
}
function info(message, data) {
return create({ ...data, type: 'info', message });
}
function warning(message, data) {
return create({ ...data, type: 'warning', message });
}
function loading(message, data) {
return create({ ...data, type: 'loading', message });
}
function promise(promise, data) {
if (!data) {
// Nothing to show
return;
}
let id = undefined;
if (data.loading !== undefined) {
id = create({
...data,
promise,
type: 'loading',
message: data.loading
});
}
const p = promise instanceof Promise ? promise : promise();
let shouldDismiss = id !== undefined;
p.then((response) => {
// TODO: Clean up TS here, response has incorrect type
// @ts-expect-error: Incorrect response type
if (response && typeof response.ok === 'boolean' && !response.ok) {
shouldDismiss = false;
const message = typeof data.error === 'function'
? // @ts-expect-error: Incorrect response type
data.error(`HTTP error! status: ${response.status}`)
: data.error;
create({ id, type: 'error', message });
}
else if (data.success !== undefined) {
shouldDismiss = false;
const message =
// @ts-expect-error: TODO: Better function checking
typeof data.success === 'function' ? data.success(response) : data.success;
create({ id, type: 'success', message });
}
})
.catch((error) => {
if (data.error !== undefined) {
shouldDismiss = false;
const message =
// @ts-expect-error: TODO: Better function checking
typeof data.error === 'function' ? data.error(error) : data.error;
create({ id, type: 'error', message });
}
})
.finally(() => {
if (shouldDismiss) {
// Toast is still in load state (and will be indefinitely — dismiss it)
dismiss(id);
id = undefined;
}
data.finally?.();
});
return id;
}
function custom(component, data) {
const id = data?.id || toastsCounter++;
create({ component, id, ...data });
return id;
}
function removeHeight(id) {
heights.update((prev) => prev.filter((height) => height.toastId !== id));
}
function setHeight(data) {
const exists = get(heights).find((el) => el.toastId === data.toastId);
if (exists === undefined) {
heights.update((prev) => [data, ...prev]);
return;
}
heights.update((prev) => prev.map((el) => {
if (el.toastId === data.toastId) {
return data;
}
else {
return el;
}
}));
}
function reset() {
toasts.set([]);
heights.set([]);
}
return {
// methods
create,
addToast,
dismiss,
remove,
message,
error,
success,
info,
warning,
loading,
promise,
custom,
removeHeight,
setHeight,
reset,
// stores
toasts,
heights
};
}
export const toastState = createToastState();
// bind this to the toast function
function toastFunction(message, data) {
return toastState.create({
message,
...data
});
}
const basicToast = toastFunction;
// We use `Object.assign` to maintain the correct types as we would lose them otherwise
export const toast = Object.assign(basicToast, {
success: toastState.success,
info: toastState.info,
warning: toastState.warning,
error: toastState.error,
custom: toastState.custom,
message: toastState.message,
promise: toastState.promise,
dismiss: toastState.dismiss,
loading: toastState.loading
});
export const useEffect = (subscribe) => ({ subscribe });
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