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fix(it): handle cento elision before otto/ottanta #11

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Merged
brianfunk merged 1 commit into from
Feb 8, 2026
Merged

fix(it): handle cento elision before otto/ottanta #11

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5 changes: 5 additions & 0 deletions languages/it.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,11 @@ const tenment = (n, g) => hundment(n, g) % 100;
const hundredIt = (n) => {
if (n < 100 || n >= 1000) return '';
const h = Math.floor(n / 100);
const remainder = n % 100;
// Elision: drop trailing 'o' before otto (8) and ottanta (80-89)
if (remainder >= 80 && remainder <= 89 || remainder === 8) {
return IT_HUNDREDS[h].slice(0, -1);
}
return IT_HUNDREDS[h];
};

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12 changes: 11 additions & 1 deletion test/index.test.js
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Expand Up @@ -1184,12 +1184,22 @@ describe('italian', () => {
expect(italian(42)).toBe('quarantadue');
});

it('handles elision rules', () => {
it('handles tens elision rules', () => {
expect(italian(21)).toBe('ventuno');
expect(italian(28)).toBe('ventotto');
expect(italian(23)).toBe('ventitré');
});

it('handles cento elision before otto/ottanta', () => {
expect(italian(108)).toBe('centotto');
expect(italian(180)).toBe('centottanta');
expect(italian(188)).toBe('centottantotto');
expect(italian(208)).toBe('duecentotto');
expect(italian(280)).toBe('duecentottanta');
expect(italian(808)).toBe('ottocentotto');
expect(italian(880)).toBe('ottocentottanta');
});

it('converts thousands', () => {
expect(italian(1000)).toBe('mille');
expect(italian(2000)).toBe('duemila');
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