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add prop rows for relative heights #42

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add prop rows for relative heights #42

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11 changes: 10 additions & 1 deletion src/index.svelte
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Original file line number Diff line number Diff line change
Expand Up @@ -86,12 +86,18 @@ import { makeMatrixFromItemsIgnore } from "./utils/matrix.js";
export let useTransform = false;
export let items = [];
export let cols = 0;
export let rows = 0;
export let dragDebounceMs = 350;
export let gap = 0;
export let rowHeight = 150;
export let breakpoints;
export let fillEmpty = true;

let yPerPx = rowHeight;
if (rows > 0) {
yPerPx = rowHeight = document.documentElement.clientHeight / rows;
}

let container,
focusedItem,
bound,
Expand All @@ -100,7 +106,6 @@ let container,
getComputedCols,
documentWidth,
resizeNoDynamicCalc,
yPerPx = rowHeight,
initCols = cols,
shadow = {
w: 0,
Expand All @@ -123,6 +128,10 @@ function onResize() {

let w = document.documentElement.clientWidth

if (rows > 0) {
yPerPx = rowHeight = document.documentElement.clientHeight / rows;
}

if(w !== documentWidth) {
documentWidth = w;

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