dnd-core
Version:
Drag and drop sans the GUI
32 lines (31 loc) • 833 B
JavaScript
export const strictEquality = (a, b)=>a === b
;
/**
* Determine if two cartesian coordinate offsets are equal
* @param offsetA
* @param offsetB
*/ export function areCoordsEqual(offsetA, offsetB) {
if (!offsetA && !offsetB) {
return true;
} else if (!offsetA || !offsetB) {
return false;
} else {
return offsetA.x === offsetB.x && offsetA.y === offsetB.y;
}
}
/**
* Determines if two arrays of items are equal
* @param a The first array of items
* @param b The second array of items
*/ export function areArraysEqual(a, b, isEqual = strictEquality) {
if (a.length !== b.length) {
return false;
}
for(let i = 0; i < a.length; ++i){
if (!isEqual(a[i], b[i])) {
return false;
}
}
return true;
}
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