| 1 | /** Returns whether `process.env.NODE_ENV` exists and equals `env`. */
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| 2 | export declare function isNodeEnv(env: string): any;
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| 3 | /**
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| 4 | * Returns the difference in length between two arrays. A `null` argument is
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| 5 | * considered an empty list. The return value will be positive if `a` is longer
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| 6 | * than `b`, negative if the opposite is true, and zero if their lengths are
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| 7 | * equal.
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| 8 | */
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| 9 | export declare function arrayLengthCompare(a?: any[], b?: any[]): number;
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| 10 | /**
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| 11 | * Returns true if the two numbers are within the given tolerance of each other.
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| 12 | * This is useful to correct for floating point precision issues, less useful
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| 13 | * for integers.
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| 14 | */
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| 15 | export declare function approxEqual(a: number, b: number, tolerance?: number): boolean;
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| 16 | /**
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| 17 | * Clamps the given number between min and max values. Returns value if within
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| 18 | * range, or closest bound.
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| 19 | */
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| 20 | export declare function clamp(val: number, min: number, max: number): number;
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| 21 | /** Returns the number of decimal places in the given number. */
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| 22 | export declare function countDecimalPlaces(num: number): number;
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| 23 | /** Generate a unique ID within a given namespace, using a simple counter-based implementation to avoid collisions. */
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| 24 | export declare function uniqueId(namespace: string): string;
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