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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 | 4x 80x 16x 16x 16x 1x 1x 15x 15x 16x 16x 16x 1x 1x 14x 14x 1x 14x | import type { ValidationResult, ValidationError, ValidationWarning } from '../../types.js';
import { err, hasNumericRange, resolveDescriptor } from './helpers.js';
import { FONT_DESCRIPTORS } from './__generated-allowlists.js';
const TERMINAL = new Set<string>(FONT_DESCRIPTORS.filter((d) =>
d.endsWith('-base') || d.endsWith('-monospace') || d.endsWith('-bold') ||
d.endsWith('-ratio') || d.endsWith('-clamp') || d === 'family',
));
export default function validateFont(
segments: string[],
aliases: Record<string, string> = {},
): ValidationResult {
const errors: ValidationError[] = [];
const warnings: ValidationWarning[] = [];
if (segments.length === 0) {
errors.push(err('font', 'a descriptor after font', '(empty)'));
return { errors, warnings };
}
const hasRange = hasNumericRange(segments);
const descriptorSegments = hasRange ? segments.slice(0, -1) : segments;
const { descriptor, warnings: aliasWarnings } = resolveDescriptor(descriptorSegments, aliases);
warnings.push(...aliasWarnings);
if (!FONT_DESCRIPTORS.includes(descriptor)) {
errors.push(err('font-descriptor', FONT_DESCRIPTORS, descriptor));
return { errors, warnings };
}
Iif (hasRange && TERMINAL.has(descriptor)) {
errors.push(err('font-descriptor', `"${descriptor}" does not take a numeric range`, segments.join('-')));
}
if (!hasRange && !TERMINAL.has(descriptor)) {
errors.push(err('range', `"${descriptor}" requires a numeric range`, segments.join('-')));
}
return { errors, warnings };
}
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