@chayns-components/core
Version:
A set of beautiful React components for developing your own applications with chayns.
42 lines (40 loc) • 1.79 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.truncateElement = void 0;
const doesElementOverflow = (element, referenceHeight) => element.scrollHeight > referenceHeight;
const doesElementHasOnlyText = element => {
// Check if element has no child elements.
if (element.children.length === 0) {
// If element has text (not empty), it is only text.
return element.textContent !== '';
}
// Element has child elements or no text, so it's not only text.
return false;
};
const removeLastLeafElement = element => {
// remove last element of html element where the last element is a leaf element and its content is a string
const {
lastElementChild,
lastChild
} = element;
if (lastElementChild && !doesElementHasOnlyText(lastElementChild) && lastElementChild.hasChildNodes()) {
removeLastLeafElement(lastElementChild);
} else if (lastChild && lastChild.nodeType === Node.TEXT_NODE && lastChild.textContent && lastChild.textContent.length > 25) {
lastChild.textContent = `${lastChild.textContent.substring(0, lastChild.textContent.length - 25)} ...`;
} else if (lastElementChild && doesElementHasOnlyText(lastElementChild) && lastElementChild.textContent && lastElementChild.textContent.length > 25) {
lastElementChild.textContent = `${lastElementChild.textContent.substring(0, lastElementChild.textContent.length - 25)} ...`;
} else if (lastChild) {
element.removeChild(lastChild);
} else if (lastElementChild) {
element.removeChild(lastElementChild);
}
};
const truncateElement = (element, referenceHeight) => {
while (doesElementOverflow(element, referenceHeight)) {
removeLastLeafElement(element);
}
};
exports.truncateElement = truncateElement;
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