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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | 4x 4x 4x 6x 6x 18x 6x 4x 19x 4x 31x 22x 2x 20x 2x 18x 6x 21x 4x 3x 3x 6x 3x 1x 3x 3x 4x 38x 14x | import { each } from 'core/utils/arrays';
const elementIsVisible: (elm: HTMLElement) => boolean = (elm) => {
return !!(elm.offsetWidth || elm.offsetHeight || elm.getClientRects().length);
}
export const find: (selector: string, elm?: Element | null) => ReadonlyArray<Element> = (selector, elm?) => {
const arr: Array<Element> = [];
each((elm || document).querySelectorAll(selector), (e: Element) => {
arr.push(e);
});
return arr;
}
export const findFirst: (selector: string, elm?: Element | null) => Element | null = (selector, elm?) => {
return (elm || document).querySelector(selector);
}
export const is: (elm: Element | null, selector: string) => boolean = (elm, selector) => {
if (elm) {
if (selector === ':visible')
return elementIsVisible(elm as HTMLElement);
if (selector === ':hidden')
return !elementIsVisible(elm as HTMLElement);
if (elm.matches(selector))
return true;
}
return false;
}
export const children: (elm: Element | null, selector?: string) => ReadonlyArray<Element> = (elm, selector?) => {
const children: Array<Element> = [];
each(elm && elm.children, (child: Element) => {
if (selector) {
if (child.matches(selector))
children.push(child);
}
else
children.push(child);
});
return children;
}
export const contents: (elm: Element | null) => ReadonlyArray<ChildNode> = (elm) => {
return elm ? Array.from<ChildNode>(elm.childNodes) : [];
}
export const parent: (elm: Node | null) => Node | null = (elm) => elm ? elm.parentElement : null; |