fix: Move BigInt formatting functions from helper.ts to kraiken-lib/format (#246)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
openhands
parent
0f74cc8276
commit
8c43d3890c
16 changed files with 377 additions and 102 deletions
205
kraiken-lib/package-lock.json
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205
kraiken-lib/package-lock.json
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@ -1,16 +1,17 @@
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@ -31,6 +32,12 @@
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@ -219,6 +226,7 @@
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@ -2865,6 +2873,45 @@
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@ -2952,6 +2999,42 @@
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"types": "./dist/format.d.ts",
|
||||
"require": "./dist/format.js",
|
||||
"import": "./dist/format.js"
|
||||
}
|
||||
},
|
||||
"files": [
|
||||
|
|
@ -74,7 +79,8 @@
|
|||
"dependencies": {
|
||||
"@apollo/client": "^3.9.10",
|
||||
"graphql": "^16.8.1",
|
||||
"graphql-tag": "^2.12.6"
|
||||
"graphql-tag": "^2.12.6",
|
||||
"viem": "^2.22.13"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@graphql-codegen/cli": "^5.0.2",
|
||||
|
|
|
|||
26
kraiken-lib/src/format.ts
Normal file
26
kraiken-lib/src/format.ts
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
import { formatUnits } from 'viem';
|
||||
|
||||
/** Convert wei (bigint or string) to a JS number. Core primitive. */
|
||||
export function weiToNumber(value: bigint | string, decimals = 18): number {
|
||||
const bi = typeof value === 'string' ? BigInt(value || '0') : (value ?? 0n);
|
||||
return Number(formatUnits(bi, decimals));
|
||||
}
|
||||
|
||||
/** Format wei to fixed decimal string (e.g. "0.00123") */
|
||||
export function formatWei(value: bigint | string, decimals = 18, digits = 5): string {
|
||||
const num = weiToNumber(value, decimals);
|
||||
return num === 0 ? '0' : num.toFixed(digits);
|
||||
}
|
||||
|
||||
/** Format number to compact display (e.g. "1.23K", "4.56M") */
|
||||
export function compactNumber(value: number): string {
|
||||
return Intl.NumberFormat('en-US', {
|
||||
notation: 'compact',
|
||||
maximumFractionDigits: 2,
|
||||
}).format(value);
|
||||
}
|
||||
|
||||
/** Format number with commas (e.g. "1,234,567") */
|
||||
export function commaNumber(value: number): string {
|
||||
return value ? value.toLocaleString('en-US') : '0';
|
||||
}
|
||||
112
kraiken-lib/src/tests/format.test.ts
Normal file
112
kraiken-lib/src/tests/format.test.ts
Normal file
|
|
@ -0,0 +1,112 @@
|
|||
import { describe, expect, test } from '@jest/globals';
|
||||
import { weiToNumber, formatWei, compactNumber, commaNumber } from '../format.js';
|
||||
|
||||
describe('weiToNumber', () => {
|
||||
test('returns 0 for zero bigint', () => {
|
||||
expect(weiToNumber(0n)).toBe(0);
|
||||
});
|
||||
|
||||
test('returns 0 for empty string', () => {
|
||||
expect(weiToNumber('')).toBe(0);
|
||||
});
|
||||
|
||||
test('converts 1 ether bigint to 1', () => {
|
||||
expect(weiToNumber(1_000_000_000_000_000_000n)).toBe(1);
|
||||
});
|
||||
|
||||
test('converts string wei to number', () => {
|
||||
expect(weiToNumber('1000000000000000000')).toBe(1);
|
||||
});
|
||||
|
||||
test('handles small values correctly', () => {
|
||||
expect(weiToNumber(1n)).toBeCloseTo(1e-18);
|
||||
});
|
||||
|
||||
test('handles large values', () => {
|
||||
expect(weiToNumber(1_000_000_000_000_000_000_000n)).toBe(1000);
|
||||
});
|
||||
|
||||
test('respects custom decimals', () => {
|
||||
expect(weiToNumber(1_000_000n, 6)).toBe(1);
|
||||
});
|
||||
|
||||
test('handles string with custom decimals', () => {
|
||||
expect(weiToNumber('1000000', 6)).toBe(1);
|
||||
});
|
||||
});
|
||||
|
||||
describe('formatWei', () => {
|
||||
test('returns "0" for zero bigint', () => {
|
||||
expect(formatWei(0n)).toBe('0');
|
||||
});
|
||||
|
||||
test('returns "0" for zero string', () => {
|
||||
expect(formatWei('0')).toBe('0');
|
||||
});
|
||||
|
||||
test('formats 1 ether with default 5 digits', () => {
|
||||
expect(formatWei(1_000_000_000_000_000_000n)).toBe('1.00000');
|
||||
});
|
||||
|
||||
test('formats with custom digits', () => {
|
||||
expect(formatWei(1_000_000_000_000_000_000n, 18, 2)).toBe('1.00');
|
||||
});
|
||||
|
||||
test('formats small value', () => {
|
||||
const result = formatWei(1_230_000_000_000_000n, 18, 5);
|
||||
expect(result).toBe('0.00123');
|
||||
});
|
||||
|
||||
test('formats string input', () => {
|
||||
expect(formatWei('2000000000000000000', 18, 4)).toBe('2.0000');
|
||||
});
|
||||
|
||||
test('formats large values', () => {
|
||||
const wei = 1_000_000n * 10n ** 18n;
|
||||
expect(formatWei(wei, 18, 2)).toBe('1000000.00');
|
||||
});
|
||||
});
|
||||
|
||||
describe('compactNumber', () => {
|
||||
test('formats thousands', () => {
|
||||
expect(compactNumber(1234)).toBe('1.23K');
|
||||
});
|
||||
|
||||
test('formats millions', () => {
|
||||
expect(compactNumber(4_560_000)).toBe('4.56M');
|
||||
});
|
||||
|
||||
test('formats zero', () => {
|
||||
expect(compactNumber(0)).toBe('0');
|
||||
});
|
||||
|
||||
test('formats small number without suffix', () => {
|
||||
expect(compactNumber(123)).toBe('123');
|
||||
});
|
||||
|
||||
test('formats billions', () => {
|
||||
expect(compactNumber(1_000_000_000)).toBe('1B');
|
||||
});
|
||||
});
|
||||
|
||||
describe('commaNumber', () => {
|
||||
test('returns "0" for falsy input', () => {
|
||||
expect(commaNumber(0)).toBe('0');
|
||||
});
|
||||
|
||||
test('formats thousands with commas', () => {
|
||||
expect(commaNumber(1234)).toBe('1,234');
|
||||
});
|
||||
|
||||
test('formats millions with commas', () => {
|
||||
expect(commaNumber(1_234_567)).toBe('1,234,567');
|
||||
});
|
||||
|
||||
test('formats small number without commas', () => {
|
||||
expect(commaNumber(99)).toBe('99');
|
||||
});
|
||||
|
||||
test('formats negative number', () => {
|
||||
expect(commaNumber(-1234)).toBe('-1,234');
|
||||
});
|
||||
});
|
||||
Loading…
Add table
Add a link
Reference in a new issue