@dialpad/dialtone
Version:
Dialpad's Dialtone design system monorepo
2 lines • 1.35 kB
JavaScript
Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:`Module`}});var e={methods:{scrollElementIntoViewIfNeeded(e,t,n,r){e.scrollIntoViewIfNeeded?this.scrollIntoViewIfNeeded(e,t,n,r):this.scrollIntoView(e,`bottom`,!1,n,r)},scrollElementIntoView(e,t,n,r){if(t===`center`){this.scrollIntoView(e,`center`,!1,n,r);return}t===!1?this.scrollIntoView(e,`bottom`,!1,n,r):this.scrollIntoView(e,`top`,!1,n,r)},scrollIntoViewIfNeeded(e,t,n,r){let i=t?`center`:void 0;this.scrollIntoView(e,i,!0,n,r)},scrollIntoView(e,t,n,r,i){if(!e||!e.parentElement)return;let a=e.offsetTop,o=i||e.parentElement,s=this._getScrollBounds(o),c=s.bottom-s.top,l=this._getElementHeight(e),u=a+l,d=-1;switch(t){case`top`:d=a;break;case`center`:d=a+(l-c)/2;break;case`bottom`:d=d=u-c;break;default:d=a-s.top<=c/2?a:u-c;break}this._setScrollTop(o,d,s,a,u,n,r)},_setScrollTop(e,t,n,r,i,a,o){n=n||this._getScrollBounds(e);let s=n.bottom-n.top;if(a&&this._inScrollBounds(r,i,n))if(r<n.top)t=r;else if(i>n.bottom)t=i-s;else return;o?e.scrollTo({top:t,behavior:o}):e.scrollTop=t},_getElementHeight(e){return e.getBoundingClientRect().height},_getScrollBounds(e){let t=this._getElementHeight(e),n=e.scrollTop;return{top:n,bottom:n+t}},_inScrollBounds(e,t,n){let r=t-e;return t<=n.bottom+3*r/4&&e>=n.top-r/4}}};exports.default=e;
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