in share/src/sprite-editor/bitmap.ts [58:67]
equals(other: Bitmap) {
if (this.width === other.width && this.height === other.height && this.x0 === other.x0 && this.y0 === other.y0 && this.buf.length === other.buf.length) {
for (let i = 0; i < this.buf.length; i++) {
if (this.buf[i] !== other.buf[i]) return false;
}
return true;
}
return false;
}