| 1 |
/** |
| 2 |
* Collect all siblings until a selector. |
| 3 |
* |
| 4 |
* @param {Node} node |
| 5 |
* @param {string} selector |
| 6 |
* |
| 7 |
* @return {Node[]} |
| 8 |
*/ |
| 9 |
export function nextUntil(node, selector) { |
| 10 |
const siblings = []; |
| 11 |
const sibling = node.nextElementSibling; |
| 12 |
|
| 13 |
while (sibling) { |
| 14 |
if (sibling.matches(selector)) break; |
| 15 |
|
| 16 |
siblings.push(sibling); |
| 17 |
sibling = sibling.nextElementSibling; |
| 18 |
} |
| 19 |
|
| 20 |
return siblings; |
| 21 |
} |
| 22 |
|
| 23 |
/** |
| 24 |
* The missing after version of insertBefore. |
| 25 |
* |
| 26 |
* @param {Node} newNode |
| 27 |
* @param {Node} referenceNode |
| 28 |
*/ |
| 29 |
export function insertAfter(newNode, referenceNode) { |
| 30 |
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling); |
| 31 |
} |
| 32 |
|
| 33 |
/** |
| 34 |
* @param {Node} node |
| 35 |
*/ |
| 36 |
export function removeNode(nodeToRemove) { |
| 37 |
nodeToRemove?.parentNode.removeChild(nodeToRemove); |
| 38 |
} |
| 39 |
|
| 40 |
/** |
| 41 |
* Creates a DOM Node from an HTML string. |
| 42 |
* |
| 43 |
* @param {string} htmlString |
| 44 |
* @returns {Node} |
| 45 |
*/ |
| 46 |
export function nodeFromString(htmlString) { |
| 47 |
const temp = document.createElement('template'); |
| 48 |
htmlString.trim(); |
| 49 |
temp.innerHTML = htmlString; |
| 50 |
return temp.content.firstChild; |
| 51 |
} |
| 52 |
|
| 53 |
/** |
| 54 |
* Execute a function when the DOM is fully loaded. |
| 55 |
* |
| 56 |
* @param {function} fn |
| 57 |
*/ |
| 58 |
export const domIsReady = (fn) => |
| 59 |
document.readyState !== 'loading' ? window.setTimeout(fn, 0) : document.addEventListener('DOMContentLoaded', fn); |
| 60 |
|
| 61 |
/** |
| 62 |
* Convert pixels to rem. |
| 63 |
* |
| 64 |
* @param {string|number} pixelValue |
| 65 |
* @returns {string} The pixel value in rem as a DOM string. |
| 66 |
*/ |
| 67 |
export function pixelsToRem(pixelValue) { |
| 68 |
const {fontSize: rootFontSize} = window.getComputedStyle(document.documentElement); |
| 69 |
|
| 70 |
// Using parseInt here is an assumption that no one is overriding our root font-size. |
| 71 |
return `${Number.parseFloat(pixelValue) / Number.parseFloat(rootFontSize)}rem`; |
| 72 |
} |
| 73 |
|
| 74 |
/** |
| 75 |
* Convert pixels to em. |
| 76 |
* |
| 77 |
* @param {string|number} pixelValue |
| 78 |
* @param {Element} element |
| 79 |
* @returns {string} The pixel value in rem as a DOM string. |
| 80 |
*/ |
| 81 |
export function pixelsToEm(pixelValue, element) { |
| 82 |
const {fontSize} = window.getComputedStyle(element); |
| 83 |
|
| 84 |
return `${Number.parseFloat(pixelValue) / Number.parseFloat(fontSize)}em`; |
| 85 |
} |
| 86 |
|
| 87 |
/** |
| 88 |
* Measure some text. |
| 89 |
* |
| 90 |
* @param {string} text |
| 91 |
* @param {string} textProp - defaults to the node’s textContent |
| 92 |
* @returns {string} |
| 93 |
*/ |
| 94 |
export function measureText(node, textProp = 'textContent') { |
| 95 |
const context = document.createElement('canvas').getContext('2d'); |
| 96 |
const {fontWeight, fontSize, fontFamily} = window.getComputedStyle(node); |
| 97 |
context.font = `${fontWeight} ${fontSize} ${fontFamily}`; |
| 98 |
|
| 99 |
return context.measureText(node[textProp]).width; |
| 100 |
} |
| 101 |
|
