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Freeze empty arrays #58240

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2 changes: 1 addition & 1 deletion src/compiler/core.ts
Expand Up @@ -12,7 +12,7 @@ import {
} from "./_namespaces/ts";

/** @internal */
export const emptyArray: never[] = [] as never[];
export const emptyArray: never[] = Object.freeze([]) as never[];
/** @internal */
export const emptyMap: ReadonlyMap<never, never> = new Map<never, never>();
/** @internal */
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2 changes: 1 addition & 1 deletion src/server/utilitiesPublic.ts
Expand Up @@ -19,7 +19,7 @@ export enum LogLevel {
verbose,
}

export const emptyArray: SortedReadonlyArray<never> = createSortedArray<never>();
export const emptyArray: SortedReadonlyArray<never> = Object.freeze(createSortedArray<never>());

export interface Logger {
close(): void;
Expand Down