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Fix ESM import issue by adding proper exports field and module type

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Co-authored-by: naorpeled <6171622+naorpeled@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot] 2025-08-21 07:47:36 +00:00
parent c3886be821
commit dfdffcdc52
2 changed files with 49 additions and 3 deletions
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13
package.json
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@ -19,10 +19,17 @@
"url": "http://twitter.com/lancedikson"
}
],
"main": "es5.js",
"browser": "es5.js",
"module": "src/bowser.js",
"main": "src/bowser.js",
"module": "src/bowser.js",
"types": "index.d.ts",
"type": "module",
"exports": {
".": {
"import": "./src/bowser.js",
"require": "./src/bowser.js",
"types": "./index.d.ts"
}
},
"repository": {
"type": "git",
"url": "git+https://github.com/lancedikson/bowser.git"

39
test/unit/esm-imports.cjs Normal file
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@ -0,0 +1,39 @@
// Test for ESM import compatibility (fixes issue #568)
// This test ensures that `import Bowser from 'bowser'` works in ESM/nodenext projects
const test = require('ava');
test('package.json should have proper exports for ESM support', (t) => {
const packageJson = require('../../package.json');
// Check that package has type: module for proper ESM support
t.is(packageJson.type, 'module');
// Check that exports field is present and configured correctly
t.truthy(packageJson.exports);
t.truthy(packageJson.exports['.']);
t.is(packageJson.exports['.'].import, './src/bowser.js');
t.is(packageJson.exports['.'].require, './src/bowser.js');
t.is(packageJson.exports['.'].types, './index.d.ts');
});
test('main and module fields should point to source', (t) => {
const packageJson = require('../../package.json');
// Both main and module should point to the source file
t.is(packageJson.main, 'src/bowser.js');
t.is(packageJson.module, 'src/bowser.js');
});
test('can require the source file (CommonJS interop)', (t) => {
// This tests that CommonJS can load the source file when using exports
const bowserModule = require('../../src/bowser.js');
t.truthy(bowserModule);
t.truthy(bowserModule.default);
t.is(typeof bowserModule.default, 'function');
// Test that it provides the expected API
const Bowser = bowserModule.default;
t.is(typeof Bowser.getParser, 'function');
t.is(typeof Bowser.parse, 'function');
});