mirror-rhinstaller-node-cache/is-string
2026-07-29 10:38:58 +00:00
..
test 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00
.eslintrc 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00
.nycrc 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00
CHANGELOG.md 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00
index.d.ts 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00
index.js 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00
LICENSE 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00
package.json 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00
README.md 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00
tsconfig.json 5e60d1b1ad718fed7a4313c8f92ddcb2aec2b7d4bdf17d2179db7959c05418c0 package.json 2026-07-29 10:38:58 +00:00

is-string Version Badge

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npm badge

Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Example

var isString = require('is-string');
var assert = require('assert');

assert.notOk(isString(undefined));
assert.notOk(isString(null));
assert.notOk(isString(false));
assert.notOk(isString(true));
assert.notOk(isString(function () {}));
assert.notOk(isString([]));
assert.notOk(isString({}));
assert.notOk(isString(/a/g));
assert.notOk(isString(new RegExp('a', 'g')));
assert.notOk(isString(new Date()));
assert.notOk(isString(42));
assert.notOk(isString(NaN));
assert.notOk(isString(Infinity));
assert.notOk(isString(new Number(42)));

assert.ok(isString('foo'));
assert.ok(isString(Object('foo')));

Tests

Simply clone the repo, npm install, and run npm test