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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | 28x 28x 28x 2x 2x 26x 7x 2x 2x 5x 1x 5x 19x 6x 6x 1x 1x 5x 5x 1x 5x 13x 1x 1x 12x 12x 12x 12x 1x 12x | import type { ValidationResult, ValidationError, ValidationWarning } from '../../types.js';
import { err, hasNumericRange, resolveDescriptor } from './helpers.js';
import { COLOR_SEMANTIC_CONCEPTS } from './__generated-allowlists.js';
export default function validateColor(
segments: string[],
aliases: Record<string, string> = {},
): ValidationResult {
const errors: ValidationError[] = [];
const warnings: ValidationWarning[] = [];
if (segments.length === 0) {
errors.push(err('color', 'at least one descriptor after color', '(empty)'));
return { errors, warnings };
}
// Palette: convention-based (open set)
if (segments[0] === 'palette') {
if (segments.length < 3) {
errors.push(err('palette', 'palette-{color-name}-{range}', segments.join('-')));
return { errors, warnings };
}
if (!hasNumericRange(segments)) {
errors.push(err('range', 'numeric range as final segment', segments.at(-1) ?? '(missing)'));
}
return { errors, warnings };
}
// Base scale: convention-based (open set)
if (segments.includes('base')) {
const baseIdx = segments.indexOf('base');
if (baseIdx === 0) {
errors.push(err('base-role', 'a role name before "base"', '(missing)'));
return { errors, warnings };
}
const afterBase = segments.slice(baseIdx + 1);
if (afterBase.length !== 1 || Number.isNaN(Number(afterBase[0]))) {
errors.push(err('range', 'numeric range after base', afterBase.join('-') || '(missing)'));
}
return { errors, warnings };
}
// Semantic: closed allowlist
if (!hasNumericRange(segments)) {
errors.push(err('range', 'numeric range as final segment', segments.at(-1) ?? '(missing)'));
return { errors, warnings };
}
const descriptorSegments = segments.slice(0, -1);
const { descriptor, warnings: aliasWarnings } = resolveDescriptor(descriptorSegments, aliases);
warnings.push(...aliasWarnings);
if (!COLOR_SEMANTIC_CONCEPTS.includes(descriptor)) {
errors.push(err('semantic-concept', COLOR_SEMANTIC_CONCEPTS, descriptor));
}
return { errors, warnings };
}
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