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0d34126b86
* JSON viz with projections, colors, inlining * Ensure GraphEditor receives keyboard events for newly-selected nodes * Consider positioned, unsized nodes when positioning
26 lines
1.1 KiB
TypeScript
26 lines
1.1 KiB
TypeScript
import type { ElementHandle } from 'playwright'
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/** Returns text content of the element, including CSS ::before and ::after content in the element's tree.
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* Currently whitespace produced around pseudo-elements is unspecified; block/inline logic is not implemented.
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*/
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export function computedContent(element: ElementHandle<HTMLElement | SVGElement>): Promise<string> {
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return element.evaluate<string>((element) => {
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const getPseudoElement = (element: HTMLElement | SVGElement, pseudo: string) => {
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const value = window.getComputedStyle(element, `::${pseudo}`).getPropertyValue('content')
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if (value.match(/['"]/)) return value.replace(/['"]/g, '')
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}
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const recurse = (element: HTMLElement | SVGElement): string => {
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return [
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getPseudoElement(element, 'before') ?? '',
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...Array.from(element.childNodes, (child) =>
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child instanceof HTMLElement || child instanceof SVGElement ?
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recurse(child)
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: child.textContent,
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),
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getPseudoElement(element, 'after') ?? '',
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].join('')
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}
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return recurse(element)
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})
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}
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