@terrazzo/parser/dist/lint/plugin-core/rules/a11y-min-contrast.d.ts

Parser/validator for the Design Tokens Community Group (DTCG) standard.

import type { LintRule } from '../../../types.js';
export declare const A11Y_MIN_CONTRAST = "a11y/min-contrast";
export interface RuleA11yMinContrastOptions {
    /**
     * Whether to adhere to AA (minimum) or AAA (enhanced) contrast levels.
     * @default "AA"
     */
    level?: 'AA' | 'AAA';
    /** Pairs of color tokens (and optionally typography) to test */
    pairs: ContrastPair[];
}
export interface ContrastPair {
    /** The foreground color token ID */
    foreground: string;
    /** The background color token ID */
    background: string;
    /**
     * Is this pair for large text? Large text allows a smaller contrast ratio.
     *
     * Note: while WCAG has _suggested_ sizes and weights, those are merely
     * suggestions. It’s always more reliable to determine what constitutes “large
     * text” for your designs yourself, based on your typographic stack.
     * @see https://www.w3.org/WAI/WCAG22/quickref/#contrast-minimum
     */
    largeText?: boolean;
}
export declare const WCAG2_MIN_CONTRAST: {
    AA: {
        default: number;
        large: number;
    };
    AAA: {
        default: number;
        large: number;
    };
};
export declare const ERROR_INSUFFICIENT_CONTRAST = "INSUFFICIENT_CONTRAST";
declare const rule: LintRule<typeof ERROR_INSUFFICIENT_CONTRAST, RuleA11yMinContrastOptions>;
export default rule;
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