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82876bf
Rename test files ahead of vitest conversion
borgar Aug 25, 2026
8618e92
Convert test suite from tape to vitest
borgar Aug 25, 2026
e008331
Remove tape packages and add vitest
borgar Aug 25, 2026
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5,254 changes: 1,700 additions & 3,554 deletions package-lock.json
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9 changes: 4 additions & 5 deletions package.json
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Original file line numberDiff line numberDiff line change
Expand Up@@ -11,8 +11,8 @@
"check": "npm run test && npm run lint && npm run typecheck",
"lint": "eslint lib test",
"release": "git diff --exit-code && PACKAGE_VERSION=$(jq -r .version package.json) && echo \"About to tag and push v$PACKAGE_VERSION. Continue? (y/n)\" && read -r REPLY && [ \"$REPLY\" = \"y\" ] && git tag --annotate v$PACKAGE_VERSION --message=v$PACKAGE_VERSION && git push origin v$PACKAGE_VERSION",
"test": "SKIPTABLES=1 tape './{lib,test}/*{.spec,-test}.js'|tap-min",
"test-all": "tape test/*-test.js",
"test": "SKIPTABLES=1 vitest run",
"test-all": "vitest run",
"typecheck": "tsc --noEmit"
},
"main": "dist/numfmt.js",
Expand DownExpand Up@@ -58,11 +58,10 @@
"globals": "~17.11.0",
"jsdoc": "~4.0.5",
"rollup": "~4.62.5",
"tap-min": "~3.0.0",
"tape": "~5.10.2",
"typedoc-plugin-markdown": "~4.12.0",
"typescript": "~5.9.3",
"typescript-eslint": "~8.68.0"
"typescript-eslint": "~8.68.0",
"vitest": "~4.1.11"
},
"allowScripts": {
"fsevents@2.3.3": true
Expand Down
30 changes: 0 additions & 30 deletions test/bigint-test.js
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29 changes: 29 additions & 0 deletions test/bigint.spec.ts
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('bigint', () => {
expect(format('0', Number.MAX_SAFE_INTEGER)).toBe(String(Number.MAX_SAFE_INTEGER));
expect(format('0', 10n)).toBe('10');

expect(format('General', 10n)).toBe('10');
expect(format('General', 9007199254740991n)).toBe('9.0072E+15');

expect(format('0.0', 9007199254740991n)).toBe('9007199254740990.0');

expect(format('#,##0.0', 9007199254740991n)).toBe('9,007,199,254,740,990.0');
expect(format('#,##0.0', 9007199254750000n)).toBe('######');
expect(format('#,##0.0', -9007199254750000n)).toBe('######');

expect(format('#0-000-00', 9007199254750000n)).toBe('######');
expect(format('0%', 9007199254750000n)).toBe('######');

expect(format('#0-000-00', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');
expect(format('0%', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');

// preferably we should support bigint throughout:
// expect(format('#0-000-00', 9007199254750000n)).toBe('90071992547-500-00');
// expect(format('0%', 9007199254750000n)).toBe('900719925475000000%');

expect(format('0.000E+00', 999990000)).toBe('1.000E+09');
expect(format('0.000E+00', 999990000n)).toBe('1.000E+09');
});
44 changes: 0 additions & 44 deletions test/color-test.js
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44 changes: 44 additions & 0 deletions test/color.spec.ts
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
import { expect, test } from 'vitest';
import { formatColor } from '../lib/index.js';

test('formatColor', () => {
// color works the same across number sections, but not text
expect(formatColor('0', 123)).toBe(null);
expect(formatColor('0', 0)).toBe(null);
expect(formatColor('0', -123)).toBe(null);
expect(formatColor('0', 'foo')).toBe(null);
expect(formatColor('[blue]0', 123)).toBe('blue');
expect(formatColor('[blue]0', 0)).toBe('blue');
expect(formatColor('[blue]0', -123)).toBe('blue');
expect(formatColor('[blue]0', 'foo')).toBe(null);
// can define separate colors per section
expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 1)).toBe('blue');
expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', -1)).toBe('green');
expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 0)).toBe('magenta');
expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 'foo')).toBe('cyan');
// color is case insensitive
expect(formatColor('[red]0', 0)).toBe('red');
expect(formatColor('[Red]0', 0)).toBe('red');
expect(formatColor('[RED]0', 0)).toBe('red');
// all known primaries work
expect(formatColor('[black]0', 0)).toBe('black');
expect(formatColor('[blue]0', 0)).toBe('blue');
expect(formatColor('[cyan]0', 0)).toBe('cyan');
expect(formatColor('[green]0', 0)).toBe('green');
expect(formatColor('[magenta]0', 0)).toBe('magenta');
expect(formatColor('[red]0', 0)).toBe('red');
expect(formatColor('[white]0', 0)).toBe('white');
expect(formatColor('[yellow]0', 0)).toBe('yellow');
// 1-based index color resolutions
expect(formatColor('[color 0]0', 0)).toBe(null);
expect(formatColor('[color 1]0', 0)).toBe('#000000');
expect(formatColor('[color 2]0', 0)).toBe('#FFFFFF');
expect(formatColor('[color3]0', 0)).toBe('#FF0000');
// numbers are returned when indexColors is off
expect(formatColor('[color 0]0', 0, { indexColors: false })).toBe(null);
expect(formatColor('[color 1]0', 0, { indexColors: false })).toBe(1);
expect(formatColor('[color 2]0', 0, { indexColors: false })).toBe(2);
expect(formatColor('[color3]0', 0, { indexColors: false })).toBe(3);
// keywords are still returned when indexColors is off
expect(formatColor('[yellow]0', 0, { indexColors: false })).toBe('yellow');
});
46 changes: 0 additions & 46 deletions test/comma-test.js
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45 changes: 45 additions & 0 deletions test/comma.spec.ts
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,45 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('Correct handling of the comma operator', () => {
expect(format('0,', 1234567.89)).toBe('1235');
expect(format('0,,', 1234567.89)).toBe('1');
expect(format('0,,,', 1234567.89)).toBe('0');
expect(format('0,0', 1234567.89)).toBe('1,234,568');
expect(format('0,00', 1234567.89)).toBe('1,234,568');
expect(format('0,000', 1234567.89)).toBe('1,234,568');
expect(format('0,0,0', 1234567.89)).toBe('1,234,568');
expect(format('0,,0', 1234567.89)).toBe('1,234,568');
expect(format('0,,,0', 1234567.89)).toBe('1,234,568');
expect(format('0,x', 1234567.89)).toBe('1235x');
expect(format('0,x,', 1234567.89)).toBe('1235x,');
expect(format('0x,', 1234567.89)).toBe('1234568x,');
expect(format('0,,x', 1234567.89)).toBe('1x');
expect(format('0,x0', 1234567.89)).toBe('123456x8');
expect(format('0 , 0', 1234567.89)).toBe('123456 , 8');
expect(format('0, ,0', 1234567.89)).toBe('123456 ,8');
expect(format('0.,', 1234567.89)).toBe('1235.');
expect(format('0.0,', 1234567.89)).toBe('1234.6');
expect(format('0.0,0', 1234567.89)).toBe('1234567.89');
expect(format('0,0 0/0', 1234567.89)).toBe('1,234,567 8/9');
expect(format('0,0,,0', 1234567.89)).toBe('1,234,568');
expect(format('0.0,0,', 1234567.89)).toBe('1234.57');
expect(format('0.0 , 0 ,', 1234567.89)).toBe('1234567.8 , 9 ,');
expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
expect(format('0x,', 1234567.89)).toBe('1234568x,');
expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
expect(format('0 ,,', 1234567.89)).toBe('1234568 ,');
expect(format('0x,', 1234567.89)).toBe('1234568x,');
expect(format('x,0', 1234567.89)).toBe('x,1234568');

// Still unsolved by the formatter: digit interplay with 0#?
expect(format('01,', 1234567.89)).toBe('12351');
expect(format('09,', 1234567.89)).toBe('12359');
// expect(format('01,0', 1234567.89)).toBe('1,234,5618');
// expect(format('09,0', 1234567.89)).toBe('1,234,5698');
// expect(format('0, 9', 1234567.89)).toBe('1234568 9');

expect(() => format('0,0/0', '')).toThrow();
expect(() => format('0/0,0', '')).toThrow();
// expect(() => format('0 0/0,', '')).toThrow(); // "1234 4/7" gets emitted, same as Sheets
});
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, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Switch to vitest by borgar · Pull Request #78 · borgar/numfmt · GitHub
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Switch to vitest#78

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#78
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82876bf

Rename test files ahead of vitest conversion


borgar Aug 25, 2026
8618e92

Convert test suite from tape to vitest


borgar Aug 25, 2026
e008331

Remove tape packages and add vitest


borgar Aug 25, 2026

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5,254 changes: 1,700 additions & 3,554 deletions
package-lock.json

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9 changes: 4 additions & 5 deletions
package.json

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Original file line numberDiff line numberDiff line change
Expand Up@@ -11,8 +11,8 @@
 "check": "npm run test && npm run lint && npm run typecheck",
 "lint": "eslint lib test",
 "release": "git diff --exit-code && PACKAGE_VERSION=$(jq -r .version package.json) && echo \"About to tag and push v$PACKAGE_VERSION. Continue? (y/n)\" && read -r REPLY && [ \"$REPLY\" = \"y\" ] && git tag --annotate v$PACKAGE_VERSION --message=v$PACKAGE_VERSION && git push origin v$PACKAGE_VERSION",
 "test": "SKIPTABLES=1 tape './{lib,test}/*{.spec,-test}.js'|tap-min",
 "test-all": "tape test/*-test.js",
 "test": "SKIPTABLES=1 vitest run",
 "test-all": "vitest run",
 "typecheck": "tsc --noEmit"
 },
 "main": "dist/numfmt.js",
Expand DownExpand Up@@ -58,11 +58,10 @@
 "globals": "~17.11.0",
 "jsdoc": "~4.0.5",
 "rollup": "~4.62.5",
 "tap-min": "~3.0.0",
 "tape": "~5.10.2",
 "typedoc-plugin-markdown": "~4.12.0",
 "typescript": "~5.9.3",
 "typescript-eslint": "~8.68.0"
 "typescript-eslint": "~8.68.0",
 "vitest": "~4.1.11"
 },
 "allowScripts": {
 "fsevents@2.3.3": true
Expand Down

30 changes: 0 additions & 30 deletions
test/bigint-test.js

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29 changes: 29 additions & 0 deletions
test/bigint.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('bigint', () => {
 expect(format('0', Number.MAX_SAFE_INTEGER)).toBe(String(Number.MAX_SAFE_INTEGER));
 expect(format('0', 10n)).toBe('10');

 expect(format('General', 10n)).toBe('10');
 expect(format('General', 9007199254740991n)).toBe('9.0072E+15');

 expect(format('0.0', 9007199254740991n)).toBe('9007199254740990.0');

 expect(format('#,##0.0', 9007199254740991n)).toBe('9,007,199,254,740,990.0');
 expect(format('#,##0.0', 9007199254750000n)).toBe('######');
 expect(format('#,##0.0', -9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n)).toBe('######');
 expect(format('0%', 9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');
 expect(format('0%', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');

 // preferably we should support bigint throughout:
 // expect(format('#0-000-00', 9007199254750000n)).toBe('90071992547-500-00');
 // expect(format('0%', 9007199254750000n)).toBe('900719925475000000%');

 expect(format('0.000E+00', 999990000)).toBe('1.000E+09');
 expect(format('0.000E+00', 999990000n)).toBe('1.000E+09');
});

44 changes: 0 additions & 44 deletions
test/color-test.js

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44 changes: 44 additions & 0 deletions
test/color.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
import { expect, test } from 'vitest';
import { formatColor } from '../lib/index.js';

test('formatColor', () => {
 // color works the same across number sections, but not text
 expect(formatColor('0', 123)).toBe(null);
 expect(formatColor('0', 0)).toBe(null);
 expect(formatColor('0', -123)).toBe(null);
 expect(formatColor('0', 'foo')).toBe(null);
 expect(formatColor('[blue]0', 123)).toBe('blue');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[blue]0', -123)).toBe('blue');
 expect(formatColor('[blue]0', 'foo')).toBe(null);
 // can define separate colors per section
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 1)).toBe('blue');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', -1)).toBe('green');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 0)).toBe('magenta');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 'foo')).toBe('cyan');
 // color is case insensitive
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[Red]0', 0)).toBe('red');
 expect(formatColor('[RED]0', 0)).toBe('red');
 // all known primaries work
 expect(formatColor('[black]0', 0)).toBe('black');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[cyan]0', 0)).toBe('cyan');
 expect(formatColor('[green]0', 0)).toBe('green');
 expect(formatColor('[magenta]0', 0)).toBe('magenta');
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[white]0', 0)).toBe('white');
 expect(formatColor('[yellow]0', 0)).toBe('yellow');
 // 1-based index color resolutions
 expect(formatColor('[color 0]0', 0)).toBe(null);
 expect(formatColor('[color 1]0', 0)).toBe('#000000');
 expect(formatColor('[color 2]0', 0)).toBe('#FFFFFF');
 expect(formatColor('[color3]0', 0)).toBe('#FF0000');
 // numbers are returned when indexColors is off
 expect(formatColor('[color 0]0', 0, { indexColors: false })).toBe(null);
 expect(formatColor('[color 1]0', 0, { indexColors: false })).toBe(1);
 expect(formatColor('[color 2]0', 0, { indexColors: false })).toBe(2);
 expect(formatColor('[color3]0', 0, { indexColors: false })).toBe(3);
 // keywords are still returned when indexColors is off
 expect(formatColor('[yellow]0', 0, { indexColors: false })).toBe('yellow');
});

46 changes: 0 additions & 46 deletions
test/comma-test.js

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45 changes: 45 additions & 0 deletions
test/comma.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,45 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('Correct handling of the comma operator', () => {
 expect(format('0,', 1234567.89)).toBe('1235');
 expect(format('0,,', 1234567.89)).toBe('1');
 expect(format('0,,,', 1234567.89)).toBe('0');
 expect(format('0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,00', 1234567.89)).toBe('1,234,568');
 expect(format('0,000', 1234567.89)).toBe('1,234,568');
 expect(format('0,0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,x', 1234567.89)).toBe('1235x');
 expect(format('0,x,', 1234567.89)).toBe('1235x,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0,,x', 1234567.89)).toBe('1x');
 expect(format('0,x0', 1234567.89)).toBe('123456x8');
 expect(format('0 , 0', 1234567.89)).toBe('123456 , 8');
 expect(format('0, ,0', 1234567.89)).toBe('123456 ,8');
 expect(format('0.,', 1234567.89)).toBe('1235.');
 expect(format('0.0,', 1234567.89)).toBe('1234.6');
 expect(format('0.0,0', 1234567.89)).toBe('1234567.89');
 expect(format('0,0 0/0', 1234567.89)).toBe('1,234,567 8/9');
 expect(format('0,0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0.0,0,', 1234567.89)).toBe('1234.57');
 expect(format('0.0 , 0 ,', 1234567.89)).toBe('1234567.8 , 9 ,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0 ,,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('x,0', 1234567.89)).toBe('x,1234568');

 // Still unsolved by the formatter: digit interplay with 0#?
 expect(format('01,', 1234567.89)).toBe('12351');
 expect(format('09,', 1234567.89)).toBe('12359');
 // expect(format('01,0', 1234567.89)).toBe('1,234,5618');
 // expect(format('09,0', 1234567.89)).toBe('1,234,5698');
 // expect(format('0, 9', 1234567.89)).toBe('1234568 9');

 expect(() => format('0,0/0', '')).toThrow();
 expect(() => format('0/0,0', '')).toThrow();
 // expect(() => format('0 0/0,', '')).toThrow(); // "1234 4/7" gets emitted, same as Sheets
});
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Switch to vitest by borgar · Pull Request #78 · borgar/numfmt · GitHub
Skip to content
Switch to vitest#78

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borgar
wants to merge
3
commits into

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Switch to vitest
#78
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82876bf

Rename test files ahead of vitest conversion


borgar Aug 25, 2026
8618e92

Convert test suite from tape to vitest


borgar Aug 25, 2026
e008331

Remove tape packages and add vitest


borgar Aug 25, 2026

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5,254 changes: 1,700 additions & 3,554 deletions
package-lock.json

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9 changes: 4 additions & 5 deletions
package.json

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Original file line numberDiff line numberDiff line change
Expand Up@@ -11,8 +11,8 @@
 "check": "npm run test && npm run lint && npm run typecheck",
 "lint": "eslint lib test",
 "release": "git diff --exit-code && PACKAGE_VERSION=$(jq -r .version package.json) && echo \"About to tag and push v$PACKAGE_VERSION. Continue? (y/n)\" && read -r REPLY && [ \"$REPLY\" = \"y\" ] && git tag --annotate v$PACKAGE_VERSION --message=v$PACKAGE_VERSION && git push origin v$PACKAGE_VERSION",
 "test": "SKIPTABLES=1 tape './{lib,test}/*{.spec,-test}.js'|tap-min",
 "test-all": "tape test/*-test.js",
 "test": "SKIPTABLES=1 vitest run",
 "test-all": "vitest run",
 "typecheck": "tsc --noEmit"
 },
 "main": "dist/numfmt.js",
Expand DownExpand Up@@ -58,11 +58,10 @@
 "globals": "~17.11.0",
 "jsdoc": "~4.0.5",
 "rollup": "~4.62.5",
 "tap-min": "~3.0.0",
 "tape": "~5.10.2",
 "typedoc-plugin-markdown": "~4.12.0",
 "typescript": "~5.9.3",
 "typescript-eslint": "~8.68.0"
 "typescript-eslint": "~8.68.0",
 "vitest": "~4.1.11"
 },
 "allowScripts": {
 "fsevents@2.3.3": true
Expand Down

30 changes: 0 additions & 30 deletions
test/bigint-test.js

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29 changes: 29 additions & 0 deletions
test/bigint.spec.ts

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@@ -0,0 +1,29 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('bigint', () => {
 expect(format('0', Number.MAX_SAFE_INTEGER)).toBe(String(Number.MAX_SAFE_INTEGER));
 expect(format('0', 10n)).toBe('10');

 expect(format('General', 10n)).toBe('10');
 expect(format('General', 9007199254740991n)).toBe('9.0072E+15');

 expect(format('0.0', 9007199254740991n)).toBe('9007199254740990.0');

 expect(format('#,##0.0', 9007199254740991n)).toBe('9,007,199,254,740,990.0');
 expect(format('#,##0.0', 9007199254750000n)).toBe('######');
 expect(format('#,##0.0', -9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n)).toBe('######');
 expect(format('0%', 9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');
 expect(format('0%', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');

 // preferably we should support bigint throughout:
 // expect(format('#0-000-00', 9007199254750000n)).toBe('90071992547-500-00');
 // expect(format('0%', 9007199254750000n)).toBe('900719925475000000%');

 expect(format('0.000E+00', 999990000)).toBe('1.000E+09');
 expect(format('0.000E+00', 999990000n)).toBe('1.000E+09');
});

44 changes: 0 additions & 44 deletions
test/color-test.js

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44 changes: 44 additions & 0 deletions
test/color.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
import { expect, test } from 'vitest';
import { formatColor } from '../lib/index.js';

test('formatColor', () => {
 // color works the same across number sections, but not text
 expect(formatColor('0', 123)).toBe(null);
 expect(formatColor('0', 0)).toBe(null);
 expect(formatColor('0', -123)).toBe(null);
 expect(formatColor('0', 'foo')).toBe(null);
 expect(formatColor('[blue]0', 123)).toBe('blue');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[blue]0', -123)).toBe('blue');
 expect(formatColor('[blue]0', 'foo')).toBe(null);
 // can define separate colors per section
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 1)).toBe('blue');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', -1)).toBe('green');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 0)).toBe('magenta');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 'foo')).toBe('cyan');
 // color is case insensitive
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[Red]0', 0)).toBe('red');
 expect(formatColor('[RED]0', 0)).toBe('red');
 // all known primaries work
 expect(formatColor('[black]0', 0)).toBe('black');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[cyan]0', 0)).toBe('cyan');
 expect(formatColor('[green]0', 0)).toBe('green');
 expect(formatColor('[magenta]0', 0)).toBe('magenta');
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[white]0', 0)).toBe('white');
 expect(formatColor('[yellow]0', 0)).toBe('yellow');
 // 1-based index color resolutions
 expect(formatColor('[color 0]0', 0)).toBe(null);
 expect(formatColor('[color 1]0', 0)).toBe('#000000');
 expect(formatColor('[color 2]0', 0)).toBe('#FFFFFF');
 expect(formatColor('[color3]0', 0)).toBe('#FF0000');
 // numbers are returned when indexColors is off
 expect(formatColor('[color 0]0', 0, { indexColors: false })).toBe(null);
 expect(formatColor('[color 1]0', 0, { indexColors: false })).toBe(1);
 expect(formatColor('[color 2]0', 0, { indexColors: false })).toBe(2);
 expect(formatColor('[color3]0', 0, { indexColors: false })).toBe(3);
 // keywords are still returned when indexColors is off
 expect(formatColor('[yellow]0', 0, { indexColors: false })).toBe('yellow');
});

46 changes: 0 additions & 46 deletions
test/comma-test.js

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45 changes: 45 additions & 0 deletions
test/comma.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,45 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('Correct handling of the comma operator', () => {
 expect(format('0,', 1234567.89)).toBe('1235');
 expect(format('0,,', 1234567.89)).toBe('1');
 expect(format('0,,,', 1234567.89)).toBe('0');
 expect(format('0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,00', 1234567.89)).toBe('1,234,568');
 expect(format('0,000', 1234567.89)).toBe('1,234,568');
 expect(format('0,0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,x', 1234567.89)).toBe('1235x');
 expect(format('0,x,', 1234567.89)).toBe('1235x,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0,,x', 1234567.89)).toBe('1x');
 expect(format('0,x0', 1234567.89)).toBe('123456x8');
 expect(format('0 , 0', 1234567.89)).toBe('123456 , 8');
 expect(format('0, ,0', 1234567.89)).toBe('123456 ,8');
 expect(format('0.,', 1234567.89)).toBe('1235.');
 expect(format('0.0,', 1234567.89)).toBe('1234.6');
 expect(format('0.0,0', 1234567.89)).toBe('1234567.89');
 expect(format('0,0 0/0', 1234567.89)).toBe('1,234,567 8/9');
 expect(format('0,0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0.0,0,', 1234567.89)).toBe('1234.57');
 expect(format('0.0 , 0 ,', 1234567.89)).toBe('1234567.8 , 9 ,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0 ,,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('x,0', 1234567.89)).toBe('x,1234568');

 // Still unsolved by the formatter: digit interplay with 0#?
 expect(format('01,', 1234567.89)).toBe('12351');
 expect(format('09,', 1234567.89)).toBe('12359');
 // expect(format('01,0', 1234567.89)).toBe('1,234,5618');
 // expect(format('09,0', 1234567.89)).toBe('1,234,5698');
 // expect(format('0, 9', 1234567.89)).toBe('1234568 9');

 expect(() => format('0,0/0', '')).toThrow();
 expect(() => format('0/0,0', '')).toThrow();
 // expect(() => format('0 0/0,', '')).toThrow(); // "1234 4/7" gets emitted, same as Sheets
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Switch to vitest by borgar · Pull Request #78 · borgar/numfmt · GitHub
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82876bf

Rename test files ahead of vitest conversion


borgar Aug 25, 2026
8618e92

Convert test suite from tape to vitest


borgar Aug 25, 2026
e008331

Remove tape packages and add vitest


borgar Aug 25, 2026

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5,254 changes: 1,700 additions & 3,554 deletions
package-lock.json

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9 changes: 4 additions & 5 deletions
package.json

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Original file line numberDiff line numberDiff line change
Expand Up@@ -11,8 +11,8 @@
 "check": "npm run test && npm run lint && npm run typecheck",
 "lint": "eslint lib test",
 "release": "git diff --exit-code && PACKAGE_VERSION=$(jq -r .version package.json) && echo \"About to tag and push v$PACKAGE_VERSION. Continue? (y/n)\" && read -r REPLY && [ \"$REPLY\" = \"y\" ] && git tag --annotate v$PACKAGE_VERSION --message=v$PACKAGE_VERSION && git push origin v$PACKAGE_VERSION",
 "test": "SKIPTABLES=1 tape './{lib,test}/*{.spec,-test}.js'|tap-min",
 "test-all": "tape test/*-test.js",
 "test": "SKIPTABLES=1 vitest run",
 "test-all": "vitest run",
 "typecheck": "tsc --noEmit"
 },
 "main": "dist/numfmt.js",
Expand DownExpand Up@@ -58,11 +58,10 @@
 "globals": "~17.11.0",
 "jsdoc": "~4.0.5",
 "rollup": "~4.62.5",
 "tap-min": "~3.0.0",
 "tape": "~5.10.2",
 "typedoc-plugin-markdown": "~4.12.0",
 "typescript": "~5.9.3",
 "typescript-eslint": "~8.68.0"
 "typescript-eslint": "~8.68.0",
 "vitest": "~4.1.11"
 },
 "allowScripts": {
 "fsevents@2.3.3": true
Expand Down

30 changes: 0 additions & 30 deletions
test/bigint-test.js

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29 changes: 29 additions & 0 deletions
test/bigint.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('bigint', () => {
 expect(format('0', Number.MAX_SAFE_INTEGER)).toBe(String(Number.MAX_SAFE_INTEGER));
 expect(format('0', 10n)).toBe('10');

 expect(format('General', 10n)).toBe('10');
 expect(format('General', 9007199254740991n)).toBe('9.0072E+15');

 expect(format('0.0', 9007199254740991n)).toBe('9007199254740990.0');

 expect(format('#,##0.0', 9007199254740991n)).toBe('9,007,199,254,740,990.0');
 expect(format('#,##0.0', 9007199254750000n)).toBe('######');
 expect(format('#,##0.0', -9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n)).toBe('######');
 expect(format('0%', 9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');
 expect(format('0%', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');

 // preferably we should support bigint throughout:
 // expect(format('#0-000-00', 9007199254750000n)).toBe('90071992547-500-00');
 // expect(format('0%', 9007199254750000n)).toBe('900719925475000000%');

 expect(format('0.000E+00', 999990000)).toBe('1.000E+09');
 expect(format('0.000E+00', 999990000n)).toBe('1.000E+09');
});

44 changes: 0 additions & 44 deletions
test/color-test.js

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44 changes: 44 additions & 0 deletions
test/color.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
import { expect, test } from 'vitest';
import { formatColor } from '../lib/index.js';

test('formatColor', () => {
 // color works the same across number sections, but not text
 expect(formatColor('0', 123)).toBe(null);
 expect(formatColor('0', 0)).toBe(null);
 expect(formatColor('0', -123)).toBe(null);
 expect(formatColor('0', 'foo')).toBe(null);
 expect(formatColor('[blue]0', 123)).toBe('blue');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[blue]0', -123)).toBe('blue');
 expect(formatColor('[blue]0', 'foo')).toBe(null);
 // can define separate colors per section
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 1)).toBe('blue');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', -1)).toBe('green');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 0)).toBe('magenta');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 'foo')).toBe('cyan');
 // color is case insensitive
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[Red]0', 0)).toBe('red');
 expect(formatColor('[RED]0', 0)).toBe('red');
 // all known primaries work
 expect(formatColor('[black]0', 0)).toBe('black');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[cyan]0', 0)).toBe('cyan');
 expect(formatColor('[green]0', 0)).toBe('green');
 expect(formatColor('[magenta]0', 0)).toBe('magenta');
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[white]0', 0)).toBe('white');
 expect(formatColor('[yellow]0', 0)).toBe('yellow');
 // 1-based index color resolutions
 expect(formatColor('[color 0]0', 0)).toBe(null);
 expect(formatColor('[color 1]0', 0)).toBe('#000000');
 expect(formatColor('[color 2]0', 0)).toBe('#FFFFFF');
 expect(formatColor('[color3]0', 0)).toBe('#FF0000');
 // numbers are returned when indexColors is off
 expect(formatColor('[color 0]0', 0, { indexColors: false })).toBe(null);
 expect(formatColor('[color 1]0', 0, { indexColors: false })).toBe(1);
 expect(formatColor('[color 2]0', 0, { indexColors: false })).toBe(2);
 expect(formatColor('[color3]0', 0, { indexColors: false })).toBe(3);
 // keywords are still returned when indexColors is off
 expect(formatColor('[yellow]0', 0, { indexColors: false })).toBe('yellow');
});

46 changes: 0 additions & 46 deletions
test/comma-test.js

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45 changes: 45 additions & 0 deletions
test/comma.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,45 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('Correct handling of the comma operator', () => {
 expect(format('0,', 1234567.89)).toBe('1235');
 expect(format('0,,', 1234567.89)).toBe('1');
 expect(format('0,,,', 1234567.89)).toBe('0');
 expect(format('0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,00', 1234567.89)).toBe('1,234,568');
 expect(format('0,000', 1234567.89)).toBe('1,234,568');
 expect(format('0,0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,x', 1234567.89)).toBe('1235x');
 expect(format('0,x,', 1234567.89)).toBe('1235x,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0,,x', 1234567.89)).toBe('1x');
 expect(format('0,x0', 1234567.89)).toBe('123456x8');
 expect(format('0 , 0', 1234567.89)).toBe('123456 , 8');
 expect(format('0, ,0', 1234567.89)).toBe('123456 ,8');
 expect(format('0.,', 1234567.89)).toBe('1235.');
 expect(format('0.0,', 1234567.89)).toBe('1234.6');
 expect(format('0.0,0', 1234567.89)).toBe('1234567.89');
 expect(format('0,0 0/0', 1234567.89)).toBe('1,234,567 8/9');
 expect(format('0,0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0.0,0,', 1234567.89)).toBe('1234.57');
 expect(format('0.0 , 0 ,', 1234567.89)).toBe('1234567.8 , 9 ,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0 ,,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('x,0', 1234567.89)).toBe('x,1234568');

 // Still unsolved by the formatter: digit interplay with 0#?
 expect(format('01,', 1234567.89)).toBe('12351');
 expect(format('09,', 1234567.89)).toBe('12359');
 // expect(format('01,0', 1234567.89)).toBe('1,234,5618');
 // expect(format('09,0', 1234567.89)).toBe('1,234,5698');
 // expect(format('0, 9', 1234567.89)).toBe('1234568 9');

 expect(() => format('0,0/0', '')).toThrow();
 expect(() => format('0/0,0', '')).toThrow();
 // expect(() => format('0 0/0,', '')).toThrow(); // "1234 4/7" gets emitted, same as Sheets
});
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
Switch to vitest by borgar · Pull Request #78 · borgar/numfmt · GitHub
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Switch to vitest#78

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82876bf

Rename test files ahead of vitest conversion


borgar Aug 25, 2026
8618e92

Convert test suite from tape to vitest


borgar Aug 25, 2026
e008331

Remove tape packages and add vitest


borgar Aug 25, 2026

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5,254 changes: 1,700 additions & 3,554 deletions
package-lock.json

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9 changes: 4 additions & 5 deletions
package.json

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Original file line numberDiff line numberDiff line change
Expand Up@@ -11,8 +11,8 @@
 "check": "npm run test && npm run lint && npm run typecheck",
 "lint": "eslint lib test",
 "release": "git diff --exit-code && PACKAGE_VERSION=$(jq -r .version package.json) && echo \"About to tag and push v$PACKAGE_VERSION. Continue? (y/n)\" && read -r REPLY && [ \"$REPLY\" = \"y\" ] && git tag --annotate v$PACKAGE_VERSION --message=v$PACKAGE_VERSION && git push origin v$PACKAGE_VERSION",
 "test": "SKIPTABLES=1 tape './{lib,test}/*{.spec,-test}.js'|tap-min",
 "test-all": "tape test/*-test.js",
 "test": "SKIPTABLES=1 vitest run",
 "test-all": "vitest run",
 "typecheck": "tsc --noEmit"
 },
 "main": "dist/numfmt.js",
Expand DownExpand Up@@ -58,11 +58,10 @@
 "globals": "~17.11.0",
 "jsdoc": "~4.0.5",
 "rollup": "~4.62.5",
 "tap-min": "~3.0.0",
 "tape": "~5.10.2",
 "typedoc-plugin-markdown": "~4.12.0",
 "typescript": "~5.9.3",
 "typescript-eslint": "~8.68.0"
 "typescript-eslint": "~8.68.0",
 "vitest": "~4.1.11"
 },
 "allowScripts": {
 "fsevents@2.3.3": true
Expand Down

30 changes: 0 additions & 30 deletions
test/bigint-test.js

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29 changes: 29 additions & 0 deletions
test/bigint.spec.ts

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@@ -0,0 +1,29 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('bigint', () => {
 expect(format('0', Number.MAX_SAFE_INTEGER)).toBe(String(Number.MAX_SAFE_INTEGER));
 expect(format('0', 10n)).toBe('10');

 expect(format('General', 10n)).toBe('10');
 expect(format('General', 9007199254740991n)).toBe('9.0072E+15');

 expect(format('0.0', 9007199254740991n)).toBe('9007199254740990.0');

 expect(format('#,##0.0', 9007199254740991n)).toBe('9,007,199,254,740,990.0');
 expect(format('#,##0.0', 9007199254750000n)).toBe('######');
 expect(format('#,##0.0', -9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n)).toBe('######');
 expect(format('0%', 9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');
 expect(format('0%', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');

 // preferably we should support bigint throughout:
 // expect(format('#0-000-00', 9007199254750000n)).toBe('90071992547-500-00');
 // expect(format('0%', 9007199254750000n)).toBe('900719925475000000%');

 expect(format('0.000E+00', 999990000)).toBe('1.000E+09');
 expect(format('0.000E+00', 999990000n)).toBe('1.000E+09');
});

44 changes: 0 additions & 44 deletions
test/color-test.js

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44 changes: 44 additions & 0 deletions
test/color.spec.ts

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@@ -0,0 +1,44 @@
import { expect, test } from 'vitest';
import { formatColor } from '../lib/index.js';

test('formatColor', () => {
 // color works the same across number sections, but not text
 expect(formatColor('0', 123)).toBe(null);
 expect(formatColor('0', 0)).toBe(null);
 expect(formatColor('0', -123)).toBe(null);
 expect(formatColor('0', 'foo')).toBe(null);
 expect(formatColor('[blue]0', 123)).toBe('blue');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[blue]0', -123)).toBe('blue');
 expect(formatColor('[blue]0', 'foo')).toBe(null);
 // can define separate colors per section
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 1)).toBe('blue');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', -1)).toBe('green');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 0)).toBe('magenta');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 'foo')).toBe('cyan');
 // color is case insensitive
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[Red]0', 0)).toBe('red');
 expect(formatColor('[RED]0', 0)).toBe('red');
 // all known primaries work
 expect(formatColor('[black]0', 0)).toBe('black');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[cyan]0', 0)).toBe('cyan');
 expect(formatColor('[green]0', 0)).toBe('green');
 expect(formatColor('[magenta]0', 0)).toBe('magenta');
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[white]0', 0)).toBe('white');
 expect(formatColor('[yellow]0', 0)).toBe('yellow');
 // 1-based index color resolutions
 expect(formatColor('[color 0]0', 0)).toBe(null);
 expect(formatColor('[color 1]0', 0)).toBe('#000000');
 expect(formatColor('[color 2]0', 0)).toBe('#FFFFFF');
 expect(formatColor('[color3]0', 0)).toBe('#FF0000');
 // numbers are returned when indexColors is off
 expect(formatColor('[color 0]0', 0, { indexColors: false })).toBe(null);
 expect(formatColor('[color 1]0', 0, { indexColors: false })).toBe(1);
 expect(formatColor('[color 2]0', 0, { indexColors: false })).toBe(2);
 expect(formatColor('[color3]0', 0, { indexColors: false })).toBe(3);
 // keywords are still returned when indexColors is off
 expect(formatColor('[yellow]0', 0, { indexColors: false })).toBe('yellow');
});

46 changes: 0 additions & 46 deletions
test/comma-test.js

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45 changes: 45 additions & 0 deletions
test/comma.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,45 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('Correct handling of the comma operator', () => {
 expect(format('0,', 1234567.89)).toBe('1235');
 expect(format('0,,', 1234567.89)).toBe('1');
 expect(format('0,,,', 1234567.89)).toBe('0');
 expect(format('0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,00', 1234567.89)).toBe('1,234,568');
 expect(format('0,000', 1234567.89)).toBe('1,234,568');
 expect(format('0,0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,x', 1234567.89)).toBe('1235x');
 expect(format('0,x,', 1234567.89)).toBe('1235x,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0,,x', 1234567.89)).toBe('1x');
 expect(format('0,x0', 1234567.89)).toBe('123456x8');
 expect(format('0 , 0', 1234567.89)).toBe('123456 , 8');
 expect(format('0, ,0', 1234567.89)).toBe('123456 ,8');
 expect(format('0.,', 1234567.89)).toBe('1235.');
 expect(format('0.0,', 1234567.89)).toBe('1234.6');
 expect(format('0.0,0', 1234567.89)).toBe('1234567.89');
 expect(format('0,0 0/0', 1234567.89)).toBe('1,234,567 8/9');
 expect(format('0,0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0.0,0,', 1234567.89)).toBe('1234.57');
 expect(format('0.0 , 0 ,', 1234567.89)).toBe('1234567.8 , 9 ,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0 ,,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('x,0', 1234567.89)).toBe('x,1234568');

 // Still unsolved by the formatter: digit interplay with 0#?
 expect(format('01,', 1234567.89)).toBe('12351');
 expect(format('09,', 1234567.89)).toBe('12359');
 // expect(format('01,0', 1234567.89)).toBe('1,234,5618');
 // expect(format('09,0', 1234567.89)).toBe('1,234,5698');
 // expect(format('0, 9', 1234567.89)).toBe('1234568 9');

 expect(() => format('0,0/0', '')).toThrow();
 expect(() => format('0/0,0', '')).toThrow();
 // expect(() => format('0 0/0,', '')).toThrow(); // "1234 4/7" gets emitted, same as Sheets
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Switch to vitest by borgar · Pull Request #78 · borgar/numfmt · GitHub
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82876bf

Rename test files ahead of vitest conversion


borgar Aug 25, 2026
8618e92

Convert test suite from tape to vitest


borgar Aug 25, 2026
e008331

Remove tape packages and add vitest


borgar Aug 25, 2026

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5,254 changes: 1,700 additions & 3,554 deletions
package-lock.json

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9 changes: 4 additions & 5 deletions
package.json

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Original file line numberDiff line numberDiff line change
Expand Up@@ -11,8 +11,8 @@
 "check": "npm run test && npm run lint && npm run typecheck",
 "lint": "eslint lib test",
 "release": "git diff --exit-code && PACKAGE_VERSION=$(jq -r .version package.json) && echo \"About to tag and push v$PACKAGE_VERSION. Continue? (y/n)\" && read -r REPLY && [ \"$REPLY\" = \"y\" ] && git tag --annotate v$PACKAGE_VERSION --message=v$PACKAGE_VERSION && git push origin v$PACKAGE_VERSION",
 "test": "SKIPTABLES=1 tape './{lib,test}/*{.spec,-test}.js'|tap-min",
 "test-all": "tape test/*-test.js",
 "test": "SKIPTABLES=1 vitest run",
 "test-all": "vitest run",
 "typecheck": "tsc --noEmit"
 },
 "main": "dist/numfmt.js",
Expand DownExpand Up@@ -58,11 +58,10 @@
 "globals": "~17.11.0",
 "jsdoc": "~4.0.5",
 "rollup": "~4.62.5",
 "tap-min": "~3.0.0",
 "tape": "~5.10.2",
 "typedoc-plugin-markdown": "~4.12.0",
 "typescript": "~5.9.3",
 "typescript-eslint": "~8.68.0"
 "typescript-eslint": "~8.68.0",
 "vitest": "~4.1.11"
 },
 "allowScripts": {
 "fsevents@2.3.3": true
Expand Down

30 changes: 0 additions & 30 deletions
test/bigint-test.js

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29 changes: 29 additions & 0 deletions
test/bigint.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('bigint', () => {
 expect(format('0', Number.MAX_SAFE_INTEGER)).toBe(String(Number.MAX_SAFE_INTEGER));
 expect(format('0', 10n)).toBe('10');

 expect(format('General', 10n)).toBe('10');
 expect(format('General', 9007199254740991n)).toBe('9.0072E+15');

 expect(format('0.0', 9007199254740991n)).toBe('9007199254740990.0');

 expect(format('#,##0.0', 9007199254740991n)).toBe('9,007,199,254,740,990.0');
 expect(format('#,##0.0', 9007199254750000n)).toBe('######');
 expect(format('#,##0.0', -9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n)).toBe('######');
 expect(format('0%', 9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');
 expect(format('0%', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');

 // preferably we should support bigint throughout:
 // expect(format('#0-000-00', 9007199254750000n)).toBe('90071992547-500-00');
 // expect(format('0%', 9007199254750000n)).toBe('900719925475000000%');

 expect(format('0.000E+00', 999990000)).toBe('1.000E+09');
 expect(format('0.000E+00', 999990000n)).toBe('1.000E+09');
});

44 changes: 0 additions & 44 deletions
test/color-test.js

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44 changes: 44 additions & 0 deletions
test/color.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
import { expect, test } from 'vitest';
import { formatColor } from '../lib/index.js';

test('formatColor', () => {
 // color works the same across number sections, but not text
 expect(formatColor('0', 123)).toBe(null);
 expect(formatColor('0', 0)).toBe(null);
 expect(formatColor('0', -123)).toBe(null);
 expect(formatColor('0', 'foo')).toBe(null);
 expect(formatColor('[blue]0', 123)).toBe('blue');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[blue]0', -123)).toBe('blue');
 expect(formatColor('[blue]0', 'foo')).toBe(null);
 // can define separate colors per section
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 1)).toBe('blue');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', -1)).toBe('green');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 0)).toBe('magenta');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 'foo')).toBe('cyan');
 // color is case insensitive
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[Red]0', 0)).toBe('red');
 expect(formatColor('[RED]0', 0)).toBe('red');
 // all known primaries work
 expect(formatColor('[black]0', 0)).toBe('black');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[cyan]0', 0)).toBe('cyan');
 expect(formatColor('[green]0', 0)).toBe('green');
 expect(formatColor('[magenta]0', 0)).toBe('magenta');
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[white]0', 0)).toBe('white');
 expect(formatColor('[yellow]0', 0)).toBe('yellow');
 // 1-based index color resolutions
 expect(formatColor('[color 0]0', 0)).toBe(null);
 expect(formatColor('[color 1]0', 0)).toBe('#000000');
 expect(formatColor('[color 2]0', 0)).toBe('#FFFFFF');
 expect(formatColor('[color3]0', 0)).toBe('#FF0000');
 // numbers are returned when indexColors is off
 expect(formatColor('[color 0]0', 0, { indexColors: false })).toBe(null);
 expect(formatColor('[color 1]0', 0, { indexColors: false })).toBe(1);
 expect(formatColor('[color 2]0', 0, { indexColors: false })).toBe(2);
 expect(formatColor('[color3]0', 0, { indexColors: false })).toBe(3);
 // keywords are still returned when indexColors is off
 expect(formatColor('[yellow]0', 0, { indexColors: false })).toBe('yellow');
});

46 changes: 0 additions & 46 deletions
test/comma-test.js

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45 changes: 45 additions & 0 deletions
test/comma.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,45 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('Correct handling of the comma operator', () => {
 expect(format('0,', 1234567.89)).toBe('1235');
 expect(format('0,,', 1234567.89)).toBe('1');
 expect(format('0,,,', 1234567.89)).toBe('0');
 expect(format('0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,00', 1234567.89)).toBe('1,234,568');
 expect(format('0,000', 1234567.89)).toBe('1,234,568');
 expect(format('0,0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,x', 1234567.89)).toBe('1235x');
 expect(format('0,x,', 1234567.89)).toBe('1235x,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0,,x', 1234567.89)).toBe('1x');
 expect(format('0,x0', 1234567.89)).toBe('123456x8');
 expect(format('0 , 0', 1234567.89)).toBe('123456 , 8');
 expect(format('0, ,0', 1234567.89)).toBe('123456 ,8');
 expect(format('0.,', 1234567.89)).toBe('1235.');
 expect(format('0.0,', 1234567.89)).toBe('1234.6');
 expect(format('0.0,0', 1234567.89)).toBe('1234567.89');
 expect(format('0,0 0/0', 1234567.89)).toBe('1,234,567 8/9');
 expect(format('0,0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0.0,0,', 1234567.89)).toBe('1234.57');
 expect(format('0.0 , 0 ,', 1234567.89)).toBe('1234567.8 , 9 ,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0 ,,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('x,0', 1234567.89)).toBe('x,1234568');

 // Still unsolved by the formatter: digit interplay with 0#?
 expect(format('01,', 1234567.89)).toBe('12351');
 expect(format('09,', 1234567.89)).toBe('12359');
 // expect(format('01,0', 1234567.89)).toBe('1,234,5618');
 // expect(format('09,0', 1234567.89)).toBe('1,234,5698');
 // expect(format('0, 9', 1234567.89)).toBe('1234568 9');

 expect(() => format('0,0/0', '')).toThrow();
 expect(() => format('0/0,0', '')).toThrow();
 // expect(() => format('0 0/0,', '')).toThrow(); // "1234 4/7" gets emitted, same as Sheets
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
Switch to vitest by borgar · Pull Request #78 · borgar/numfmt · GitHub
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Switch to vitest#78

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82876bf

Rename test files ahead of vitest conversion


borgar Aug 25, 2026
8618e92

Convert test suite from tape to vitest


borgar Aug 25, 2026
e008331

Remove tape packages and add vitest


borgar Aug 25, 2026

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5,254 changes: 1,700 additions & 3,554 deletions
package-lock.json

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9 changes: 4 additions & 5 deletions
package.json

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Original file line numberDiff line numberDiff line change
Expand Up@@ -11,8 +11,8 @@
 "check": "npm run test && npm run lint && npm run typecheck",
 "lint": "eslint lib test",
 "release": "git diff --exit-code && PACKAGE_VERSION=$(jq -r .version package.json) && echo \"About to tag and push v$PACKAGE_VERSION. Continue? (y/n)\" && read -r REPLY && [ \"$REPLY\" = \"y\" ] && git tag --annotate v$PACKAGE_VERSION --message=v$PACKAGE_VERSION && git push origin v$PACKAGE_VERSION",
 "test": "SKIPTABLES=1 tape './{lib,test}/*{.spec,-test}.js'|tap-min",
 "test-all": "tape test/*-test.js",
 "test": "SKIPTABLES=1 vitest run",
 "test-all": "vitest run",
 "typecheck": "tsc --noEmit"
 },
 "main": "dist/numfmt.js",
Expand DownExpand Up@@ -58,11 +58,10 @@
 "globals": "~17.11.0",
 "jsdoc": "~4.0.5",
 "rollup": "~4.62.5",
 "tap-min": "~3.0.0",
 "tape": "~5.10.2",
 "typedoc-plugin-markdown": "~4.12.0",
 "typescript": "~5.9.3",
 "typescript-eslint": "~8.68.0"
 "typescript-eslint": "~8.68.0",
 "vitest": "~4.1.11"
 },
 "allowScripts": {
 "fsevents@2.3.3": true
Expand Down

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test/bigint-test.js

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29 changes: 29 additions & 0 deletions
test/bigint.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('bigint', () => {
 expect(format('0', Number.MAX_SAFE_INTEGER)).toBe(String(Number.MAX_SAFE_INTEGER));
 expect(format('0', 10n)).toBe('10');

 expect(format('General', 10n)).toBe('10');
 expect(format('General', 9007199254740991n)).toBe('9.0072E+15');

 expect(format('0.0', 9007199254740991n)).toBe('9007199254740990.0');

 expect(format('#,##0.0', 9007199254740991n)).toBe('9,007,199,254,740,990.0');
 expect(format('#,##0.0', 9007199254750000n)).toBe('######');
 expect(format('#,##0.0', -9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n)).toBe('######');
 expect(format('0%', 9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');
 expect(format('0%', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');

 // preferably we should support bigint throughout:
 // expect(format('#0-000-00', 9007199254750000n)).toBe('90071992547-500-00');
 // expect(format('0%', 9007199254750000n)).toBe('900719925475000000%');

 expect(format('0.000E+00', 999990000)).toBe('1.000E+09');
 expect(format('0.000E+00', 999990000n)).toBe('1.000E+09');
});

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test/color-test.js

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44 changes: 44 additions & 0 deletions
test/color.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
import { expect, test } from 'vitest';
import { formatColor } from '../lib/index.js';

test('formatColor', () => {
 // color works the same across number sections, but not text
 expect(formatColor('0', 123)).toBe(null);
 expect(formatColor('0', 0)).toBe(null);
 expect(formatColor('0', -123)).toBe(null);
 expect(formatColor('0', 'foo')).toBe(null);
 expect(formatColor('[blue]0', 123)).toBe('blue');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[blue]0', -123)).toBe('blue');
 expect(formatColor('[blue]0', 'foo')).toBe(null);
 // can define separate colors per section
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 1)).toBe('blue');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', -1)).toBe('green');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 0)).toBe('magenta');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 'foo')).toBe('cyan');
 // color is case insensitive
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[Red]0', 0)).toBe('red');
 expect(formatColor('[RED]0', 0)).toBe('red');
 // all known primaries work
 expect(formatColor('[black]0', 0)).toBe('black');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[cyan]0', 0)).toBe('cyan');
 expect(formatColor('[green]0', 0)).toBe('green');
 expect(formatColor('[magenta]0', 0)).toBe('magenta');
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[white]0', 0)).toBe('white');
 expect(formatColor('[yellow]0', 0)).toBe('yellow');
 // 1-based index color resolutions
 expect(formatColor('[color 0]0', 0)).toBe(null);
 expect(formatColor('[color 1]0', 0)).toBe('#000000');
 expect(formatColor('[color 2]0', 0)).toBe('#FFFFFF');
 expect(formatColor('[color3]0', 0)).toBe('#FF0000');
 // numbers are returned when indexColors is off
 expect(formatColor('[color 0]0', 0, { indexColors: false })).toBe(null);
 expect(formatColor('[color 1]0', 0, { indexColors: false })).toBe(1);
 expect(formatColor('[color 2]0', 0, { indexColors: false })).toBe(2);
 expect(formatColor('[color3]0', 0, { indexColors: false })).toBe(3);
 // keywords are still returned when indexColors is off
 expect(formatColor('[yellow]0', 0, { indexColors: false })).toBe('yellow');
});

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test/comma-test.js

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45 changes: 45 additions & 0 deletions
test/comma.spec.ts

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@@ -0,0 +1,45 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('Correct handling of the comma operator', () => {
 expect(format('0,', 1234567.89)).toBe('1235');
 expect(format('0,,', 1234567.89)).toBe('1');
 expect(format('0,,,', 1234567.89)).toBe('0');
 expect(format('0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,00', 1234567.89)).toBe('1,234,568');
 expect(format('0,000', 1234567.89)).toBe('1,234,568');
 expect(format('0,0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,x', 1234567.89)).toBe('1235x');
 expect(format('0,x,', 1234567.89)).toBe('1235x,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0,,x', 1234567.89)).toBe('1x');
 expect(format('0,x0', 1234567.89)).toBe('123456x8');
 expect(format('0 , 0', 1234567.89)).toBe('123456 , 8');
 expect(format('0, ,0', 1234567.89)).toBe('123456 ,8');
 expect(format('0.,', 1234567.89)).toBe('1235.');
 expect(format('0.0,', 1234567.89)).toBe('1234.6');
 expect(format('0.0,0', 1234567.89)).toBe('1234567.89');
 expect(format('0,0 0/0', 1234567.89)).toBe('1,234,567 8/9');
 expect(format('0,0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0.0,0,', 1234567.89)).toBe('1234.57');
 expect(format('0.0 , 0 ,', 1234567.89)).toBe('1234567.8 , 9 ,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0 ,,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('x,0', 1234567.89)).toBe('x,1234568');

 // Still unsolved by the formatter: digit interplay with 0#?
 expect(format('01,', 1234567.89)).toBe('12351');
 expect(format('09,', 1234567.89)).toBe('12359');
 // expect(format('01,0', 1234567.89)).toBe('1,234,5618');
 // expect(format('09,0', 1234567.89)).toBe('1,234,5698');
 // expect(format('0, 9', 1234567.89)).toBe('1234568 9');

 expect(() => format('0,0/0', '')).toThrow();
 expect(() => format('0/0,0', '')).toThrow();
 // expect(() => format('0 0/0,', '')).toThrow(); // "1234 4/7" gets emitted, same as Sheets
});
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
Switch to vitest by borgar · Pull Request #78 · borgar/numfmt · GitHub
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82876bf

Rename test files ahead of vitest conversion


borgar Aug 25, 2026
8618e92

Convert test suite from tape to vitest


borgar Aug 25, 2026
e008331

Remove tape packages and add vitest


borgar Aug 25, 2026

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5,254 changes: 1,700 additions & 3,554 deletions
package-lock.json

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9 changes: 4 additions & 5 deletions
package.json

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Original file line numberDiff line numberDiff line change
Expand Up@@ -11,8 +11,8 @@
 "check": "npm run test && npm run lint && npm run typecheck",
 "lint": "eslint lib test",
 "release": "git diff --exit-code && PACKAGE_VERSION=$(jq -r .version package.json) && echo \"About to tag and push v$PACKAGE_VERSION. Continue? (y/n)\" && read -r REPLY && [ \"$REPLY\" = \"y\" ] && git tag --annotate v$PACKAGE_VERSION --message=v$PACKAGE_VERSION && git push origin v$PACKAGE_VERSION",
 "test": "SKIPTABLES=1 tape './{lib,test}/*{.spec,-test}.js'|tap-min",
 "test-all": "tape test/*-test.js",
 "test": "SKIPTABLES=1 vitest run",
 "test-all": "vitest run",
 "typecheck": "tsc --noEmit"
 },
 "main": "dist/numfmt.js",
Expand DownExpand Up@@ -58,11 +58,10 @@
 "globals": "~17.11.0",
 "jsdoc": "~4.0.5",
 "rollup": "~4.62.5",
 "tap-min": "~3.0.0",
 "tape": "~5.10.2",
 "typedoc-plugin-markdown": "~4.12.0",
 "typescript": "~5.9.3",
 "typescript-eslint": "~8.68.0"
 "typescript-eslint": "~8.68.0",
 "vitest": "~4.1.11"
 },
 "allowScripts": {
 "fsevents@2.3.3": true
Expand Down

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test/bigint-test.js

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29 changes: 29 additions & 0 deletions
test/bigint.spec.ts

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import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('bigint', () => {
 expect(format('0', Number.MAX_SAFE_INTEGER)).toBe(String(Number.MAX_SAFE_INTEGER));
 expect(format('0', 10n)).toBe('10');

 expect(format('General', 10n)).toBe('10');
 expect(format('General', 9007199254740991n)).toBe('9.0072E+15');

 expect(format('0.0', 9007199254740991n)).toBe('9007199254740990.0');

 expect(format('#,##0.0', 9007199254740991n)).toBe('9,007,199,254,740,990.0');
 expect(format('#,##0.0', 9007199254750000n)).toBe('######');
 expect(format('#,##0.0', -9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n)).toBe('######');
 expect(format('0%', 9007199254750000n)).toBe('######');

 expect(format('#0-000-00', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');
 expect(format('0%', 9007199254750000n, { bigintErrorNumber: true })).toBe('9007199254750000');

 // preferably we should support bigint throughout:
 // expect(format('#0-000-00', 9007199254750000n)).toBe('90071992547-500-00');
 // expect(format('0%', 9007199254750000n)).toBe('900719925475000000%');

 expect(format('0.000E+00', 999990000)).toBe('1.000E+09');
 expect(format('0.000E+00', 999990000n)).toBe('1.000E+09');
});

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test/color-test.js

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44 changes: 44 additions & 0 deletions
test/color.spec.ts

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import { expect, test } from 'vitest';
import { formatColor } from '../lib/index.js';

test('formatColor', () => {
 // color works the same across number sections, but not text
 expect(formatColor('0', 123)).toBe(null);
 expect(formatColor('0', 0)).toBe(null);
 expect(formatColor('0', -123)).toBe(null);
 expect(formatColor('0', 'foo')).toBe(null);
 expect(formatColor('[blue]0', 123)).toBe('blue');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[blue]0', -123)).toBe('blue');
 expect(formatColor('[blue]0', 'foo')).toBe(null);
 // can define separate colors per section
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 1)).toBe('blue');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', -1)).toBe('green');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 0)).toBe('magenta');
 expect(formatColor('[blue]0;[green]-0;[magenta]0;[cyan]@', 'foo')).toBe('cyan');
 // color is case insensitive
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[Red]0', 0)).toBe('red');
 expect(formatColor('[RED]0', 0)).toBe('red');
 // all known primaries work
 expect(formatColor('[black]0', 0)).toBe('black');
 expect(formatColor('[blue]0', 0)).toBe('blue');
 expect(formatColor('[cyan]0', 0)).toBe('cyan');
 expect(formatColor('[green]0', 0)).toBe('green');
 expect(formatColor('[magenta]0', 0)).toBe('magenta');
 expect(formatColor('[red]0', 0)).toBe('red');
 expect(formatColor('[white]0', 0)).toBe('white');
 expect(formatColor('[yellow]0', 0)).toBe('yellow');
 // 1-based index color resolutions
 expect(formatColor('[color 0]0', 0)).toBe(null);
 expect(formatColor('[color 1]0', 0)).toBe('#000000');
 expect(formatColor('[color 2]0', 0)).toBe('#FFFFFF');
 expect(formatColor('[color3]0', 0)).toBe('#FF0000');
 // numbers are returned when indexColors is off
 expect(formatColor('[color 0]0', 0, { indexColors: false })).toBe(null);
 expect(formatColor('[color 1]0', 0, { indexColors: false })).toBe(1);
 expect(formatColor('[color 2]0', 0, { indexColors: false })).toBe(2);
 expect(formatColor('[color3]0', 0, { indexColors: false })).toBe(3);
 // keywords are still returned when indexColors is off
 expect(formatColor('[yellow]0', 0, { indexColors: false })).toBe('yellow');
});

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test/comma-test.js

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45 changes: 45 additions & 0 deletions
test/comma.spec.ts

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,45 @@
import { expect, test } from 'vitest';
import { format } from '../lib/index.js';

test('Correct handling of the comma operator', () => {
 expect(format('0,', 1234567.89)).toBe('1235');
 expect(format('0,,', 1234567.89)).toBe('1');
 expect(format('0,,,', 1234567.89)).toBe('0');
 expect(format('0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,00', 1234567.89)).toBe('1,234,568');
 expect(format('0,000', 1234567.89)).toBe('1,234,568');
 expect(format('0,0,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0,x', 1234567.89)).toBe('1235x');
 expect(format('0,x,', 1234567.89)).toBe('1235x,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0,,x', 1234567.89)).toBe('1x');
 expect(format('0,x0', 1234567.89)).toBe('123456x8');
 expect(format('0 , 0', 1234567.89)).toBe('123456 , 8');
 expect(format('0, ,0', 1234567.89)).toBe('123456 ,8');
 expect(format('0.,', 1234567.89)).toBe('1235.');
 expect(format('0.0,', 1234567.89)).toBe('1234.6');
 expect(format('0.0,0', 1234567.89)).toBe('1234567.89');
 expect(format('0,0 0/0', 1234567.89)).toBe('1,234,567 8/9');
 expect(format('0,0,,0', 1234567.89)).toBe('1,234,568');
 expect(format('0.0,0,', 1234567.89)).toBe('1234.57');
 expect(format('0.0 , 0 ,', 1234567.89)).toBe('1234567.8 , 9 ,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('0 ,', 1234567.89)).toBe('1234568 ,');
 expect(format('0 ,,', 1234567.89)).toBe('1234568 ,');
 expect(format('0x,', 1234567.89)).toBe('1234568x,');
 expect(format('x,0', 1234567.89)).toBe('x,1234568');

 // Still unsolved by the formatter: digit interplay with 0#?
 expect(format('01,', 1234567.89)).toBe('12351');
 expect(format('09,', 1234567.89)).toBe('12359');
 // expect(format('01,0', 1234567.89)).toBe('1,234,5618');
 // expect(format('09,0', 1234567.89)).toBe('1,234,5698');
 // expect(format('0, 9', 1234567.89)).toBe('1234568 9');

 expect(() => format('0,0/0', '')).toThrow();
 expect(() => format('0/0,0', '')).toThrow();
 // expect(() => format('0 0/0,', '')).toThrow(); // "1234 4/7" gets emitted, same as Sheets
});
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