Class ContextKeyLessExpr

contextKeyExpr/src/contextkey.ts:649–715

}

export class ContextKeyLessExpr implements IContextKeyExpression {

	public static create(key: string, value: any): ContextKeyExpression {
		if (typeof value === 'boolean') {
			return (value ? ContextKeyDefinedExpr.create(key) : ContextKeyNotExpr.create(key));
		}
		const staticValue = STATIC_VALUES.get(key);
		if (typeof staticValue === 'boolean') {
			const trueValue = staticValue ? 'true' : 'false';
			return (value === trueValue ? ContextKeyTrueExpr.INSTANCE : ContextKeyFalseExpr.INSTANCE);
		}
		return new ContextKeyLessExpr(key, value);
	}

	public readonly type = ContextKeyExprType.Less;

	private constructor(private readonly key: string, private readonly value: any) {
	}

	public cmp(other: ContextKeyExpression): number {
		if (other.type !== this.type) {
			return this.type - other.type;
		}
		if (this.key < other.key) {
			return -1;
		}
		if (this.key > other.key) {
			return 1;
		}
		if (this.value < other.value) {
			return -1;
		}
		if (this.value > other.value) {
			return 1;
		}
		return 0;
	}

	public equals(other: ContextKeyExpression): boolean {
		if (other.type === this.type) {
			return (this.key === other.key && this.value === other.value);
		}
		return false;
	}

	public evaluate(context: IContext): boolean {
		// Intentional ==
		// eslint-disable-next-line eqeqeq
		return (Number(context.getValue(this.key)) < this.value);
	}

	public serialize(): string {
		return this.key + ' == \'' + this.value + '\'';
	}

	public keys(): string[] {
		return [this.key];
	}