upgrade to typescript

Author: stutrek

.gitignore

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 .DS_Store
 node_modules
+testOutput

.prettierrc

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+{
+    "printWidth": 100,
+    "trailingComma": "es5",
+    "singleQuote": true,
+    "tabWidth": 4
+}

dist/index.d.ts

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+export default scrollMonitor;

dist/index.js

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+export declare const VISIBILITYCHANGE = "visibilityChange";
+export declare const ENTERVIEWPORT = "enterViewport";
+export declare const FULLYENTERVIEWPORT = "fullyEnterViewport";
+export declare const EXITVIEWPORT = "exitViewport";
+export declare const PARTIALLYEXITVIEWPORT = "partiallyExitViewport";
+export declare const LOCATIONCHANGE = "locationChange";
+export declare const STATECHANGE = "stateChange";
+export declare const eventTypes: readonly ["visibilityChange", "enterViewport", "fullyEnterViewport", "exitViewport", "partiallyExitViewport", "locationChange", "stateChange"];
+export declare const isOnServer: boolean;
+export declare const isInBrowser: boolean;
+export declare const defaultOffsets: {
+    readonly top: 0;
+    readonly bottom: 0;
+};

dist/index.js.map

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+import { Offsets, WatchItemInput, ScrollEvent } from './types.js';
+import Watcher from './watcher.js';
+declare class ScrollMonitorContainer {
+    item: HTMLElement;
+    watchers: Watcher[];
+    viewportTop: number;
+    viewportBottom: number;
+    documentHeight: number;
+    viewportHeight: number;
+    contentHeight: number;
+    containerWatcher: Watcher | undefined;
+    update: () => void;
+    recalculateLocations: () => void;
+    eventTypes: readonly ["visibilityChange", "enterViewport", "fullyEnterViewport", "exitViewport", "partiallyExitViewport", "locationChange", "stateChange"];
+    constructor(item: HTMLElement, parentWatcher?: ScrollMonitorContainer);
+    listenToDOM(): void;
+    destroy(): void;
+    DOMListener(event: ScrollEvent): void;
+    updateState(): void;
+    updateAndTriggerWatchers(event: ScrollEvent): void;
+    createContainer(input: HTMLElement | NodeList | HTMLElement[] | string): ScrollMonitorContainer;
+    create(input: WatchItemInput, offsets?: Offsets): Watcher;
+    /**
+     * @deprecated since version 1.1
+     */
+    beget(input: WatchItemInput, offsets?: Offsets): Watcher;
+}
+export default ScrollMonitorContainer;