Function validatePercent

src/scale/breakImpl.ts:520–528

(normalizedPercent: number, msg: string)

    }

    function validatePercent(normalizedPercent: number, msg: string): boolean {
        if (normalizedPercent >= 0 && normalizedPercent < 1 - 1e-5) { // Avoid division error.
            return true;
        }
        if (__DEV__) {
            error(`${msg} must be >= 0 and < 1, rather than ${normalizedPercent} .`);
        }
        return false;
    }

    each(breakOptionList, brkOption => {
        if (!brkOption || brkOption.start == null || brkOption.end == null) {