Method create

contextKeyExpr/src/contextkey.ts:957–968

(_expr: ReadonlyArray<ContextKeyExpression | null | undefined>)

export class ContextKeyAndExpr implements IContextKeyExpression {

	public static create(_expr: ReadonlyArray<ContextKeyExpression | null | undefined>): ContextKeyExpression | undefined {
		const expr = ContextKeyAndExpr._normalizeArr(_expr);
		if (expr.length === 0) {
			return undefined;
		}

		if (expr.length === 1) {
			return expr[0];
		}

		return new ContextKeyAndExpr(expr);
	}

	public readonly type = ContextKeyExprType.And;