// Input
.background-gradient(@​cut) {
    background: linear-gradient(
        to right,
        @​white 0%,
        @​white (@​cut - 0.01%),
        @​portal-background @​cut,
        @​portal-background 100%
    );
}

// Prettier 2.6.1
TypeError: Cannot read properties of undefined (reading 'endOffset')

// Prettier 2.6.2
.background-gradient(@​cut) {
  background: linear-gradient(
    to right,
    @​white 0%,
    @​white (@​cut - 0.01%),
    @​portal-background @​cut,
    @​portal-background 100%
  );
}