15061703873

Committed 16 May 2025 05:57AM UTC coverage: 98.285%. Remained the same

Build # 15061703873

Build Type

Pull #1689

github

Committed by

web-flow

Commit Message

Merge 024952cf2 into 38f25e4f6

Pull Request Pull Request #1689: refactor: Simplify iterNodes implementation

Run Details

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Branch coverage included in aggregate %.

38 of 40 new or added lines in 3 files covered. (95.0%)

3 existing lines in 1 file now uncovered.

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96.96

/src/components/common/util.ts

export interface PartNameInfo {
  readonly [name: string]: string | boolean | number;
}

export const partNameMap = (partNameInfo: PartNameInfo) => {
  return Object.keys(partNameInfo)
    .filter((key) => partNameInfo[key])
    .join(' ');
};

export function noop() {}

export const asPercent = (part: number, whole: number) => (part / whole) * 100;

export const clamp = (number: number, min: number, max: number) =>
  Math.max(min, Math.min(number, max));

export function numberOfDecimals(number: number): number {
  const [_, decimals] = number.toString().split('.');
  return decimals ? decimals.length : 0;
}

export function roundPrecise(number: number, magnitude = 1): number {
  const factor = 10 ** magnitude;
  return Math.round(number * factor) / factor;
}

export function numberInRangeInclusive(
  value: number,
  min: number,
  max: number
) {
  return value >= min && value <= max;
}

export function createCounter() {
  let i = 0;
  return () => {
    i++;
    return i;
  };
}

/**
 * Returns whether an element has a Left-to-Right directionality.
 */
export function isLTR(element: HTMLElement) {
  return element.matches(':dir(ltr)');
}

/**
 * Builds a string from format specifiers and replacement parameters.
 * Will coerce non-string parameters to their string representations.
 *
 * @example
 * ```typescript
 * formatString('{0} says "{1}".', 'John', 'Hello'); // 'John says "Hello".'
 * formatString('{1} is greater than {0}', 0, 1); // '1 is greater than 0'
 * ```
 */
export function formatString(template: string, ...params: unknown[]): string {
  const length = params.length;

  return template.replace(/{(\d+)}/g, (match: string, index: number) =>
    index >= length ? match : `${params[index]}`
  );
}

/**
 * Parse the passed `value` as a number or return the `fallback` if it can't be done.
 *
 * @example
 * ```typescript
 * asNumber('5'); // 5
 * asNumber('3.14'); // 3.14
 * asNumber('five'); // 0
 * asNUmber('five', 5); // 5
 * ```
 */
export function asNumber(value: unknown, fallback = 0) {
  const parsed = Number.parseFloat(value as string);
  return Number.isNaN(parsed) ? fallback : parsed;
}

/**
 * Returns the value wrapped between the min and max bounds.
 *
 * If the value is greater than max, returns the min and vice-versa.
 * If the value is between the bounds, it is returned unchanged.
 *
 * @example
 * ```typescript
 * wrap(1, 4, 2); // 2
 * wrap(1, 4, 5); // 1
 * wrap(1, 4, -1); // 4
 * ```
 */
export function wrap(min: number, max: number, value: number) {
  if (value < min) {
    return max;
  }
  if (value > max) {
    return min;
  }

  return value;
}

export function isDefined<T = unknown>(value: T) {
  return value !== undefined;
}

export type IterNodesOptions<T = Node> = {
  show?: keyof typeof NodeFilter;
  filter?: (node: T) => boolean;
};

function createNodeFilter<T extends Node>(predicate: (node: T) => boolean) {
  return {
    acceptNode: (node: T): number =>
      !predicate || predicate(node)
        ? NodeFilter.FILTER_ACCEPT
        : NodeFilter.FILTER_SKIP,
  };
}

export function* iterNodes<T extends Node>(
  root: Node,
  options?: IterNodesOptions<T>
): Generator<T> {
  if (!isDefined(globalThis.document)) {
    return;
  }

  const whatToShow = options?.show
    ? NodeFilter[options.show]
    : NodeFilter.SHOW_ALL;

  const nodeFilter = options?.filter
    ? createNodeFilter(options.filter)
    : undefined;

  const treeWalker = document.createTreeWalker(root, whatToShow, nodeFilter);

  while (treeWalker.nextNode()) {
    yield treeWalker.currentNode as T;
  }
}

export function getRoot(
  element: Element,
  options?: GetRootNodeOptions
): Document | ShadowRoot {
  return element.getRootNode(options) as Document | ShadowRoot;
}

export function getElementByIdFromRoot(root: HTMLElement, id: string) {
  return getRoot(root).getElementById(id);
}

export function isElement(node: unknown): node is Element {
  return node instanceof Node && node.nodeType === Node.ELEMENT_NODE;
}

export function getElementsFromEventPath<T extends Element>(event: Event) {
  return event.composedPath().filter((item) => isElement(item)) as T[];
}

export function findElementFromEventPath<T extends Element>(
  predicate: string | ((element: Element) => boolean),
  event: Event
) {
  const func = isString(predicate)
    ? (e: Element) => e.matches(predicate)
    : (e: Element) => predicate(e);

  return getElementsFromEventPath(event).find(func) as T | undefined;
}

export function groupBy<T>(array: T[], key: keyof T | ((item: T) => any)) {
  const result: Record<string, T[]> = {};
  const _get = isFunction(key) ? key : (item: T) => item[key];

  for (const item of array) {
    const category = _get(item);
    const group = result[category];

    if (Array.isArray(group)) {
      group.push(item);
    } else {
      result[category] = [item];
    }
  }

  return result;
}

export function first<T>(arr: T[]) {
  return arr.at(0) as T;
}

export function last<T>(arr: T[]) {
  return arr.at(-1) as T;
}

export function modulo(n: number, d: number) {
  return ((n % d) + d) % d;
}

/**
 * Creates an array of `n` elements from a given iterator.
 *
 */
export function take<T>(iterable: IterableIterator<T>, n: number) {
  const result: T[] = [];
  let i = 0;
  let current = iterable.next();

  while (i < n && !current.done) {
    result.push(current.value);
    current = iterable.next();
    i++;
  }

  return result;
}

/**
 * Splits an array into chunks of length `size` and returns a generator
 * yielding each chunk.
 * The last chunk may contain less than `size` elements.
 *
 * @example
 * ```typescript
 * const arr = [0,1,2,3,4,5,6,7,8,9];
 *
 * Array.from(chunk(arr, 2)) // [[0, 1], [2, 3], [4, 5], [6, 7], [8, 9]]
 * Array.from(chunk(arr, 3)) // [[0, 1, 2], [3, 4, 5], [6, 7, 8], [9]]
 * Array.from(chunk([], 3)) // []
 * Array.from(chunk(arr, -3)) // Error
 * ```
 */
export function* chunk<T>(arr: T[], size: number) {
  if (size < 1) {
    throw new Error('size must be an integer >= 1');
  }
  for (let i = 0; i < arr.length; i += size) {
    yield arr.slice(i, i + size);
  }
}

export function splitToWords(text: string) {
  const input = text.replaceAll(/[^a-zA-Z0-9\s-_]/g, '');
  if (/[\s-_]+/.test(input)) return input.split(/[\s-_]+/);
  return input.split(/(?=[A-Z])+/);
}

export function toKebabCase(text: string): string {
  const input = text.trim();
  return splitToWords(input).join('-').toLocaleLowerCase();
}

export function isFunction(value: unknown): value is CallableFunction {
  return typeof value === 'function';
}

export function isString(value: unknown): value is string {
  return typeof value === 'string';
}

export function isObject(value: unknown): value is object {
  return value != null && typeof value === 'object';
}

export function isEventListenerObject(x: unknown): x is EventListenerObject {
  return isObject(x) && 'handleEvent' in x;
}

export function addWeakEventListener(
  element: Element,
  event: string,
  listener: EventListenerOrEventListenerObject,
  options?: AddEventListenerOptions | boolean
): void {
  const weakRef = new WeakRef(listener);
  const wrapped = (evt: Event) => {
    const handler = weakRef.deref();

    return isEventListenerObject(handler)
      ? handler.handleEvent(evt)
      : handler?.(evt);
  };

  element.addEventListener(event, wrapped, options);
}

/**
 * Returns whether a given collection is empty.
 */
export function isEmpty<T, U extends object>(
  x: ArrayLike<T> | Set<T> | Map<U, T>
): boolean {
  return 'length' in x ? x.length < 1 : x.size < 1;
}

export function asArray<T>(value?: T | T[]): T[] {
  if (!isDefined(value)) return [];
  return Array.isArray(value) ? value : [value];
}

export function partition<T>(
  array: T[],
  isTruthy: (value: T) => boolean
): [truthy: T[], falsy: T[]] {
  const truthy: T[] = [];
  const falsy: T[] = [];

  for (const item of array) {
    (isTruthy(item) ? truthy : falsy).push(item);
  }

  return [truthy, falsy];
}

/** Returns the center x/y coordinate of a given element. */
export function getCenterPoint(element: Element) {
  const { left, top, width, height } = element.getBoundingClientRect();

  return {
    x: left + width * 0.5,
    y: top + height * 0.5,
  };
}

export function roundByDPR(value: number): number {
  const dpr = globalThis.devicePixelRatio || 1;
  return Math.round(value * dpr) / dpr;
}

export function scrollIntoView(
  element?: HTMLElement,
  config?: ScrollIntoViewOptions
): void {
  if (!element) {
    return;
  }

  element.scrollIntoView(
    Object.assign(
      {
        behavior: 'auto',
        block: 'nearest',
        inline: 'nearest',
      },
      config
    )
  );
}

export function isRegExp(value: unknown): value is RegExp {
  return value != null && value.constructor === RegExp;
}

export function equal<T>(a: unknown, b: T, visited = new WeakSet()): boolean {
  // Early return
  if (Object.is(a, b)) {
    return true;
  }

  if (isObject(a) && isObject(b)) {
    if (a.constructor !== b.constructor) {
      return false;
    }

    // Circular references
    if (visited.has(a) && visited.has(b)) {
      return true;
    }

    visited.add(a);
    visited.add(b);

    // RegExp
    if (isRegExp(a) && isRegExp(b)) {
      return a.source === b.source && a.flags === b.flags;
    }

    // Maps
    if (a instanceof Map && b instanceof Map) {
      if (a.size !== b.size) {
        return false;
      }
      for (const [keyA, valueA] of a.entries()) {
        let found = false;
        for (const [keyB, valueB] of b.entries()) {
          if (equal(keyA, keyB, visited) && equal(valueA, valueB, visited)) {
            found = true;
            break;
          }
        }
        if (!found) {
          return false;
        }
      }
      return true;
    }

    // Sets
    if (a instanceof Set && b instanceof Set) {
      if (a.size !== b.size) {
        return false;
      }
      for (const valueA of a) {
        let found = false;
        for (const valueB of b) {
          if (equal(valueA, valueB, visited)) {
            found = true;
            break;
          }
        }
        if (!found) {
          return false;
        }
      }
      return true;
    }

    // Arrays
    if (Array.isArray(a) && Array.isArray(b)) {
      const length = a.length;
      if (length !== b.length) {
        return false;
      }
      for (let i = 0; i < length; i++) {
        if (!equal(a[i], b[i], visited)) {
          return false;
        }
      }
      return true;
    }

    // toPrimitive
    if (a.valueOf !== Object.prototype.valueOf) {
      return a.valueOf() === b.valueOf();
    }
    // Strings based
    if (a.toString !== Object.prototype.toString) {
      return a.toString() === b.toString();
    }

    const aKeys = Object.keys(a);
    const bKeys = Object.keys(b);
    if (aKeys.length !== bKeys.length) {
      return false;
    }

    for (const key of aKeys) {
      if (!Object.prototype.hasOwnProperty.call(b, key)) {
        return false;
      }
    }

    for (const key of aKeys) {
      if (!equal(a[key as keyof typeof a], b[key as keyof typeof b], visited)) {
        return false;
      }
    }

    visited.delete(a);
    visited.delete(b);

    return true;
  }

  return false;
}

/** Required utility type for specific props */
export type RequiredProps<T, K extends keyof T> = T & {
  [P in K]-?: T[P];
};

1	export interface PartNameInfo {	67✔
2	readonly [name: string]: string \| boolean \| number;	67✔
3	}	67✔
4		67✔
5	export const partNameMap = (partNameInfo: PartNameInfo) => {	67✔
6	return Object.keys(partNameInfo)	50,791✔
7	.filter((key) => partNameInfo[key])	50,791✔
8	.join(' ');	50,791✔
9	};	50,791✔
10		67✔
11	export function noop() {}	67✔
12		67✔
13	export const asPercent = (part: number, whole: number) => (part / whole) * 100;	67✔
14		67✔
15	export const clamp = (number: number, min: number, max: number) =>	67✔
16	Math.max(min, Math.min(number, max));	2,824✔
17		67✔
18	export function numberOfDecimals(number: number): number {	67✔
19	const [_, decimals] = number.toString().split('.');	122✔
20	return decimals ? decimals.length : 0;	122✔
21	}	122✔
22		67✔
23	export function roundPrecise(number: number, magnitude = 1): number {	67✔
24	const factor = 10 ** magnitude;	122✔
25	return Math.round(number * factor) / factor;	122✔
26	}	122✔
27		67✔
28	export function numberInRangeInclusive(	67✔
29	value: number,	4✔
30	min: number,	4✔
31	max: number	4✔
32	) {	4✔
33	return value >= min && value <= max;	4!
34	}	4✔
35		67✔
36	export function createCounter() {	67✔
37	let i = 0;	147✔
38	return () => {	147✔
39	i++;	2,256✔
40	return i;	2,256✔
41	};	2,256✔
42	}	147✔
43		67✔
44	/**	67✔
45	* Returns whether an element has a Left-to-Right directionality.	67✔
46	*/	67✔
47	export function isLTR(element: HTMLElement) {	67✔
48	return element.matches(':dir(ltr)');	2,964✔
49	}	2,964✔
50		67✔
51	/**	67✔
52	* Builds a string from format specifiers and replacement parameters.	67✔
53	* Will coerce non-string parameters to their string representations.	67✔
54	*	67✔
55	* @example	67✔
56	* ```typescript	67✔
57	* formatString('{0} says "{1}".', 'John', 'Hello'); // 'John says "Hello".'	67✔
58	* formatString('{1} is greater than {0}', 0, 1); // '1 is greater than 0'	67✔
59	* ```	67✔
60	*/	67✔
61	export function formatString(template: string, ...params: unknown[]): string {	67✔
62	const length = params.length;	616✔
63		616✔
64	return template.replace(/{(\d+)}/g, (match: string, index: number) =>	616✔
65	index >= length ? match : `${params[index]}`	878✔
66	);	616✔
67	}	616✔
68		67✔
69	/**	67✔
70	* Parse the passed `value` as a number or return the `fallback` if it can't be done.	67✔
71	*	67✔
72	* @example	67✔
73	* ```typescript	67✔
74	* asNumber('5'); // 5	67✔
75	* asNumber('3.14'); // 3.14	67✔
76	* asNumber('five'); // 0	67✔
77	* asNUmber('five', 5); // 5	67✔
78	* ```	67✔
79	*/	67✔
80	export function asNumber(value: unknown, fallback = 0) {	67✔
81	const parsed = Number.parseFloat(value as string);	1,586✔
82	return Number.isNaN(parsed) ? fallback : parsed;	1,586✔
83	}	1,586✔
84		67✔
85	/**	67✔
86	* Returns the value wrapped between the min and max bounds.	67✔
87	*	67✔
88	* If the value is greater than max, returns the min and vice-versa.	67✔
89	* If the value is between the bounds, it is returned unchanged.	67✔
90	*	67✔
91	* @example	67✔
92	* ```typescript	67✔
93	* wrap(1, 4, 2); // 2	67✔
94	* wrap(1, 4, 5); // 1	67✔
95	* wrap(1, 4, -1); // 4	67✔
96	* ```	67✔
97	*/	67✔
98	export function wrap(min: number, max: number, value: number) {	67✔
99	if (value < min) {	37✔
100	return max;	11✔
101	}	11✔
102	if (value > max) {	37✔
103	return min;	3✔
104	}	3✔
105		23✔
106	return value;	23✔
107	}	23✔
108		67✔
109	export function isDefined<T = unknown>(value: T) {	67✔
110	return value !== undefined;	2,340✔
111	}	2,340✔
112		67✔
113	export type IterNodesOptions<T = Node> = {	67✔
114	show?: keyof typeof NodeFilter;	67✔
115	filter?: (node: T) => boolean;	67✔
116	};	67✔
117		67✔
118	function createNodeFilter<T extends Node>(predicate: (node: T) => boolean) {	989✔
119	return {	989✔
120	acceptNode: (node: T): number =>	989✔
121	!predicate \|\| predicate(node)	10,111✔
122	? NodeFilter.FILTER_ACCEPT	3,994✔
123	: NodeFilter.FILTER_SKIP,	6,117✔
124	};	989✔
125	}	989✔
126		67✔
127	export function* iterNodes<T extends Node>(	67✔
128	root: Node,	989✔
129	options?: IterNodesOptions<T>	989✔
130	): Generator<T> {	989✔
131	if (!isDefined(globalThis.document)) {	989!
UNCOV 132	return;	×
133	}	×
134		989✔
135	const whatToShow = options?.show	989✔
136	? NodeFilter[options.show]	989!
NEW UNCOV 137	: NodeFilter.SHOW_ALL;	×
138		989✔
139	const nodeFilter = options?.filter	989✔
140	? createNodeFilter(options.filter)	989!
NEW UNCOV 141	: undefined;	×
142		989✔
143	const treeWalker = document.createTreeWalker(root, whatToShow, nodeFilter);	989✔
144		989✔
145	while (treeWalker.nextNode()) {	989✔
146	yield treeWalker.currentNode as T;	3,994✔
147	}	3,994✔
148	}	989✔
149		67✔
150	export function getRoot(	67✔
151	element: Element,	799✔
152	options?: GetRootNodeOptions	799✔
153	): Document \| ShadowRoot {	799✔
154	return element.getRootNode(options) as Document \| ShadowRoot;	799✔
155	}	799✔
156		67✔
157	export function getElementByIdFromRoot(root: HTMLElement, id: string) {	67✔
158	return getRoot(root).getElementById(id);	192✔
159	}	192✔
160		67✔
161	export function isElement(node: unknown): node is Element {	67✔
162	return node instanceof Node && node.nodeType === Node.ELEMENT_NODE;	13,325✔
163	}	13,325✔
164		67✔
165	export function getElementsFromEventPath<T extends Element>(event: Event) {	67✔
166	return event.composedPath().filter((item) => isElement(item)) as T[];	1,294✔
167	}	1,294✔
168		67✔
169	export function findElementFromEventPath<T extends Element>(	67✔
170	predicate: string \| ((element: Element) => boolean),	1,294✔
171	event: Event	1,294✔
172	) {	1,294✔
173	const func = isString(predicate)	1,294✔
174	? (e: Element) => e.matches(predicate)	350✔
175	: (e: Element) => predicate(e);	944✔
176		1,294✔
177	return getElementsFromEventPath(event).find(func) as T \| undefined;	1,294✔
178	}	1,294✔
179		67✔
180	export function groupBy<T>(array: T[], key: keyof T \| ((item: T) => any)) {	67✔
181	const result: Record<string, T[]> = {};	131✔
182	const _get = isFunction(key) ? key : (item: T) => item[key];	131!
183		131✔
184	for (const item of array) {	131✔
185	const category = _get(item);	730✔
186	const group = result[category];	730✔
187		730✔
188	if (Array.isArray(group)) {	730✔
189	group.push(item);	476✔
190	} else {	730✔
191	result[category] = [item];	254✔
192	}	254✔
193	}	730✔
194		131✔
195	return result;	131✔
196	}	131✔
197		67✔
198	export function first<T>(arr: T[]) {	67✔
199	return arr.at(0) as T;	12,660✔
200	}	12,660✔
201		67✔
202	export function last<T>(arr: T[]) {	67✔
203	return arr.at(-1) as T;	10,212✔
204	}	10,212✔
205		67✔
206	export function modulo(n: number, d: number) {	67✔
207	return ((n % d) + d) % d;	1,108✔
208	}	1,108✔
209		67✔
210	/**	67✔
211	* Creates an array of `n` elements from a given iterator.	67✔
212	*	67✔
213	*/	67✔
214	export function take<T>(iterable: IterableIterator<T>, n: number) {	67✔
215	const result: T[] = [];	453✔
216	let i = 0;	453✔
217	let current = iterable.next();	453✔
218		453✔
219	while (i < n && !current.done) {	453✔
220	result.push(current.value);	3,171✔
221	current = iterable.next();	3,171✔
222	i++;	3,171✔
223	}	3,171✔
224		453✔
225	return result;	453✔
226	}	453✔
227		67✔
228	/**	67✔
229	* Splits an array into chunks of length `size` and returns a generator	67✔
230	* yielding each chunk.	67✔
231	* The last chunk may contain less than `size` elements.	67✔
232	*	67✔
233	* @example	67✔
234	* ```typescript	67✔
235	* const arr = [0,1,2,3,4,5,6,7,8,9];	67✔
236	*	67✔
237	* Array.from(chunk(arr, 2)) // [[0, 1], [2, 3], [4, 5], [6, 7], [8, 9]]	67✔
238	* Array.from(chunk(arr, 3)) // [[0, 1, 2], [3, 4, 5], [6, 7, 8], [9]]	67✔
239	* Array.from(chunk([], 3)) // []	67✔
240	* Array.from(chunk(arr, -3)) // Error	67✔
241	* ```	67✔
242	*/	67✔
243	export function* chunk<T>(arr: T[], size: number) {	67✔
244	if (size < 1) {	529!
245	throw new Error('size must be an integer >= 1');	×
246	}	×
247	for (let i = 0; i < arr.length; i += size) {	529✔
248	yield arr.slice(i, i + size);	3,059✔
249	}	3,059✔
250	}	529✔
251		67✔
252	export function splitToWords(text: string) {	67✔
253	const input = text.replaceAll(/[^a-zA-Z0-9\s-_]/g, '');	5,228✔
254	if (/[\s-_]+/.test(input)) return input.split(/[\s-_]+/);	5,228!
255	return input.split(/(?=[A-Z])+/);	5,228✔
256	}	5,228✔
257		67✔
258	export function toKebabCase(text: string): string {	67✔
259	const input = text.trim();	5,228✔
260	return splitToWords(input).join('-').toLocaleLowerCase();	5,228✔
261	}	5,228✔
262		67✔
263	export function isFunction(value: unknown): value is CallableFunction {	67✔
264	return typeof value === 'function';	584✔
265	}	584✔
266		67✔
267	export function isString(value: unknown): value is string {	67✔
268	return typeof value === 'string';	3,591✔
269	}	3,591✔
270		67✔
271	export function isObject(value: unknown): value is object {	67✔
272	return value != null && typeof value === 'object';	2,269✔
273	}	2,269✔
274		67✔
275	export function isEventListenerObject(x: unknown): x is EventListenerObject {	67✔
276	return isObject(x) && 'handleEvent' in x;	28✔
277	}	28✔
278		67✔
279	export function addWeakEventListener(	67✔
280	element: Element,	116✔
281	event: string,	116✔
282	listener: EventListenerOrEventListenerObject,	116✔
283	options?: AddEventListenerOptions \| boolean	116✔
284	): void {	116✔
285	const weakRef = new WeakRef(listener);	116✔
286	const wrapped = (evt: Event) => {	116✔
287	const handler = weakRef.deref();	28✔
288		28✔
289	return isEventListenerObject(handler)	28✔
290	? handler.handleEvent(evt)	28!
291	: handler?.(evt);	×
292	};	28✔
293		116✔
294	element.addEventListener(event, wrapped, options);	116✔
295	}	116✔
296		67✔
297	/**	67✔
298	* Returns whether a given collection is empty.	67✔
299	*/	67✔
300	export function isEmpty<T, U extends object>(	67✔
301	x: ArrayLike<T> \| Set<T> \| Map<U, T>	13,469✔
302	): boolean {	13,469✔
303	return 'length' in x ? x.length < 1 : x.size < 1;	13,469✔
304	}	13,469✔
305		67✔
306	export function asArray<T>(value?: T \| T[]): T[] {	67✔
307	if (!isDefined(value)) return [];	781✔
308	return Array.isArray(value) ? value : [value];	781✔
309	}	781✔
310		67✔
311	export function partition<T>(	67✔
312	array: T[],	91✔
313	isTruthy: (value: T) => boolean	91✔
314	): [truthy: T[], falsy: T[]] {	91✔
315	const truthy: T[] = [];	91✔
316	const falsy: T[] = [];	91✔
317		91✔
318	for (const item of array) {	91✔
319	(isTruthy(item) ? truthy : falsy).push(item);	373✔
320	}	373✔
321		91✔
322	return [truthy, falsy];	91✔
323	}	91✔
324		67✔
325	/** Returns the center x/y coordinate of a given element. */	67✔
326	export function getCenterPoint(element: Element) {	67✔
327	const { left, top, width, height } = element.getBoundingClientRect();	20✔
328		20✔
329	return {	20✔
330	x: left + width * 0.5,	20✔
331	y: top + height * 0.5,	20✔
332	};	20✔
333	}	20✔
334		67✔
335	export function roundByDPR(value: number): number {	67✔
336	const dpr = globalThis.devicePixelRatio \|\| 1;	1,270!
337	return Math.round(value * dpr) / dpr;	1,270✔
338	}	1,270✔
339		67✔
340	export function scrollIntoView(	67✔
341	element?: HTMLElement,	82✔
342	config?: ScrollIntoViewOptions	82✔
343	): void {	82✔
344	if (!element) {	82!
345	return;	×
346	}	×
347		82✔
348	element.scrollIntoView(	82✔
349	Object.assign(	82✔
350	{	82✔
351	behavior: 'auto',	82✔
352	block: 'nearest',	82✔
353	inline: 'nearest',	82✔
354	},	82✔
355	config	82✔
356	)	82✔
357	);	82✔
358	}	82✔
359		67✔
360	export function isRegExp(value: unknown): value is RegExp {	67✔
361	return value != null && value.constructor === RegExp;	1,062✔
362	}	1,062✔
363		67✔
364	export function equal<T>(a: unknown, b: T, visited = new WeakSet()): boolean {	67✔
365	// Early return	1,211✔
366	if (Object.is(a, b)) {	1,211✔
367	return true;	38✔
368	}	38✔
369		1,173✔
370	if (isObject(a) && isObject(b)) {	1,211✔
371	if (a.constructor !== b.constructor) {	1,068✔
372	return false;	1✔
373	}	1✔
374		1,067✔
375	// Circular references	1,067✔
376	if (visited.has(a) && visited.has(b)) {	1,068✔
377	return true;	8✔
378	}	8✔
379		1,059✔
380	visited.add(a);	1,059✔
381	visited.add(b);	1,059✔
382		1,059✔
383	// RegExp	1,059✔
384	if (isRegExp(a) && isRegExp(b)) {	1,068✔
385	return a.source === b.source && a.flags === b.flags;	3✔
386	}	3✔
387		1,056✔
388	// Maps	1,056✔
389	if (a instanceof Map && b instanceof Map) {	1,068✔
390	if (a.size !== b.size) {	12✔
391	return false;	4✔
392	}	4✔
393	for (const [keyA, valueA] of a.entries()) {	12✔
394	let found = false;	7✔
395	for (const [keyB, valueB] of b.entries()) {	7✔
396	if (equal(keyA, keyB, visited) && equal(valueA, valueB, visited)) {	9✔
397	found = true;	5✔
398	break;	5✔
399	}	5✔
400	}	9✔
401	if (!found) {	7✔
402	return false;	2✔
403	}	2✔
404	}	7✔
405	return true;	6✔
406	}	6✔
407		1,044✔
408	// Sets	1,044✔
409	if (a instanceof Set && b instanceof Set) {	1,068✔
410	if (a.size !== b.size) {	12✔
411	return false;	5✔
412	}	5✔
413	for (const valueA of a) {	7✔
414	let found = false;	7✔
415	for (const valueB of b) {	7✔
416	if (equal(valueA, valueB, visited)) {	9✔
417	found = true;	6✔
418	break;	6✔
419	}	6✔
420	}	9✔
421	if (!found) {	7✔
422	return false;	1✔
423	}	1✔
424	}	7✔
425	return true;	6✔
426	}	6✔
427		1,032✔
428	// Arrays	1,032✔
429	if (Array.isArray(a) && Array.isArray(b)) {	1,068✔
430	const length = a.length;	13✔
431	if (length !== b.length) {	13✔
432	return false;	4✔
433	}	4✔
434	for (let i = 0; i < length; i++) {	13✔
435	if (!equal(a[i], b[i], visited)) {	13✔
436	return false;	2✔
437	}	2✔
438	}	13✔
439	return true;	7✔
440	}	7✔
441		1,019✔
442	// toPrimitive	1,019✔
443	if (a.valueOf !== Object.prototype.valueOf) {	1,068✔
444	return a.valueOf() === b.valueOf();	4✔
445	}	4✔
446	// Strings based	1,015✔
447	if (a.toString !== Object.prototype.toString) {	1,068✔
448	return a.toString() === b.toString();	2✔
449	}	2✔
450		1,013✔
451	const aKeys = Object.keys(a);	1,013✔
452	const bKeys = Object.keys(b);	1,013✔
453	if (aKeys.length !== bKeys.length) {	1,068✔
454	return false;	900✔
455	}	900✔
456		113✔
457	for (const key of aKeys) {	200✔
458	if (!Object.prototype.hasOwnProperty.call(b, key)) {	303✔
459	return false;	1✔
460	}	1✔
461	}	303✔
462		112✔
463	for (const key of aKeys) {	200✔
464	if (!equal(a[key as keyof typeof a], b[key as keyof typeof b], visited)) {	121✔
465	return false;	96✔
466	}	96✔
467	}	121✔
468		16✔
469	visited.delete(a);	16✔
470	visited.delete(b);	16✔
471		16✔
472	return true;	16✔
473	}	16✔
474		105✔
475	return false;	105✔
476	}	105✔
477		67✔
478	/** Required utility type for specific props */	67✔
479	export type RequiredProps<T, K extends keyof T> = T & {	67✔
480	[P in K]-?: T[P];	67✔
481	};	67✔

IgniteUI / igniteui-webcomponents / 15061703873

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