var path = require('path');
var fs = require('fs');
var test = require('tape');
var resolve = require('../');
var sync = require('../sync');
var requireResolveSupportsPaths = require.resolve.length > 1
&& !(/^v12\.[012]\./).test(process.version); // broken in v12.0-12.2, see https://github.com/nodejs/node/issues/27794
var requireResolveDefaultPathsBroken = (/^v8\.9\.|^v9\.[01]\.0|^v9\.2\./).test(process.version);
// broken in node v8.9.x, v9.0, v9.1, v9.2.x. see https://github.com/nodejs/node/pull/17113
test('`./sync` entry point', function (t) {
t.equal(resolve.sync, sync, '`./sync` entry point is the same as `.sync` on `main`');
t.end();
});
test('foo', function (t) {
var dir = path.join(__dirname, 'resolver');
t.equal(
resolve.sync('./foo', { basedir: dir }),
path.join(dir, 'foo.js'),
'./foo'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./foo', { basedir: dir }),
require.resolve('./foo', { paths: [dir] }),
'./foo: resolve.sync === require.resolve'
);
}
t.equal(
resolve.sync('./foo.js', { basedir: dir }),
path.join(dir, 'foo.js'),
'./foo.js'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./foo.js', { basedir: dir }),
require.resolve('./foo.js', { paths: [dir] }),
'./foo.js: resolve.sync === require.resolve'
);
}
t.equal(
resolve.sync('./foo.js', { basedir: dir, filename: path.join(dir, 'bar.js') }),
path.join(dir, 'foo.js')
);
t.throws(function () {
resolve.sync('foo', { basedir: dir });
});
// Test that filename is reported as the "from" value when passed.
t.throws(
function () {
resolve.sync('foo', { basedir: dir, filename: path.join(dir, 'bar.js') });
},
{
name: 'Error',
message: "Cannot find module 'foo' from '" + path.join(dir, 'bar.js') + "'"
}
);
t.end();
});
test('bar', function (t) {
var dir = path.join(__dirname, 'resolver');
var basedir = path.join(dir, 'bar');
t.equal(
resolve.sync('foo', { basedir: basedir }),
path.join(dir, 'bar/node_modules/foo/index.js'),
'foo in bar'
);
if (!requireResolveDefaultPathsBroken && requireResolveSupportsPaths) {
t.equal(
resolve.sync('foo', { basedir: basedir }),
require.resolve('foo', { paths: [basedir] }),
'foo in bar: resolve.sync === require.resolve'
);
}
t.end();
});
test('baz', function (t) {
var dir = path.join(__dirname, 'resolver');
t.equal(
resolve.sync('./baz', { basedir: dir }),
path.join(dir, 'baz/quux.js'),
'./baz'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./baz', { basedir: dir }),
require.resolve('./baz', { paths: [dir] }),
'./baz: resolve.sync === require.resolve'
);
}
t.end();
});
test('biz', function (t) {
var dir = path.join(__dirname, 'resolver/biz/node_modules');
t.equal(
resolve.sync('./grux', { basedir: dir }),
path.join(dir, 'grux/index.js')
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./grux', { basedir: dir }),
require.resolve('./grux', { paths: [dir] }),
'./grux: resolve.sync === require.resolve'
);
}
var tivDir = path.join(dir, 'grux');
t.equal(
resolve.sync('tiv', { basedir: tivDir }),
path.join(dir, 'tiv/index.js')
);
if (!requireResolveDefaultPathsBroken && requireResolveSupportsPaths) {
t.equal(
resolve.sync('tiv', { basedir: tivDir }),
require.resolve('tiv', { paths: [tivDir] }),
'tiv: resolve.sync === require.resolve'
);
}
var gruxDir = path.join(dir, 'tiv');
t.equal(
resolve.sync('grux', { basedir: gruxDir }),
path.join(dir, 'grux/index.js')
);
if (!requireResolveDefaultPathsBroken && requireResolveSupportsPaths) {
t.equal(
resolve.sync('grux', { basedir: gruxDir }),
require.resolve('grux', { paths: [gruxDir] }),
'grux: resolve.sync === require.resolve'
);
}
t.end();
});
test('normalize', function (t) {
var dir = path.join(__dirname, 'resolver/biz/node_modules/grux');
t.equal(
resolve.sync('../grux', { basedir: dir }),
path.join(dir, 'index.js')
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('../grux', { basedir: dir }),
require.resolve('../grux', { paths: [dir] }),
'../grux: resolve.sync === require.resolve'
);
}
t.end();
});
test('cup', function (t) {
var dir = path.join(__dirname, 'resolver');
t.equal(
resolve.sync('./cup', {
basedir: dir,
extensions: ['.js', '.coffee']
}),
path.join(dir, 'cup.coffee'),
'./cup -> ./cup.coffee'
);
t.equal(
resolve.sync('./cup.coffee', { basedir: dir }),
path.join(dir, 'cup.coffee'),
'./cup.coffee'
);
t.throws(function () {
resolve.sync('./cup', {
basedir: dir,
extensions: ['.js']
});
});
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./cup.coffee', { basedir: dir, extensions: ['.js', '.coffee'] }),
require.resolve('./cup.coffee', { paths: [dir] }),
'./cup.coffee: resolve.sync === require.resolve'
);
}
t.end();
});
test('mug', function (t) {
var dir = path.join(__dirname, 'resolver');
t.equal(
resolve.sync('./mug', { basedir: dir }),
path.join(dir, 'mug.js'),
'./mug -> ./mug.js'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./mug', { basedir: dir }),
require.resolve('./mug', { paths: [dir] }),
'./mug: resolve.sync === require.resolve'
);
}
t.equal(
resolve.sync('./mug', {
basedir: dir,
extensions: ['.coffee', '.js']
}),
path.join(dir, 'mug.coffee'),
'./mug -> ./mug.coffee'
);
t.equal(
resolve.sync('./mug', {
basedir: dir,
extensions: ['.js', '.coffee']
}),
path.join(dir, 'mug.js'),
'./mug -> ./mug.js'
);
t.end();
});
test('other path', function (t) {
var resolverDir = path.join(__dirname, 'resolver');
var dir = path.join(resolverDir, 'bar');
var otherDir = path.join(resolverDir, 'other_path');
t.equal(
resolve.sync('root', {
basedir: dir,
paths: [otherDir]
}),
path.join(resolverDir, 'other_path/root.js')
);
t.equal(
resolve.sync('lib/other-lib', {
basedir: dir,
paths: [otherDir]
}),
path.join(resolverDir, 'other_path/lib/other-lib.js')
);
t.throws(function () {
resolve.sync('root', { basedir: dir });
});
t.throws(function () {
resolve.sync('zzz', {
basedir: dir,
paths: [otherDir]
});
});
t.end();
});
test('path iterator', function (t) {
var resolverDir = path.join(__dirname, 'resolver');
var exactIterator = function (x, start, getPackageCandidates, opts) {
return [path.join(resolverDir, x)];
};
t.equal(
resolve.sync('baz', { packageIterator: exactIterator }),
path.join(resolverDir, 'baz/quux.js')
);
t.end();
});
test('incorrect main', function (t) {
var resolverDir = path.join(__dirname, 'resolver');
var dir = path.join(resolverDir, 'incorrect_main');
t.equal(
resolve.sync('./incorrect_main', { basedir: resolverDir }),
path.join(dir, 'index.js')
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./incorrect_main', { basedir: resolverDir }),
require.resolve('./incorrect_main', { paths: [resolverDir] }),
'./incorrect_main: resolve.sync === require.resolve'
);
}
t.end();
});
test('missing index', function (t) {
t.plan(requireResolveSupportsPaths ? 2 : 1);
var resolverDir = path.join(__dirname, 'resolver');
try {
resolve.sync('./missing_index', { basedir: resolverDir });
t.fail('did not fail');
} catch (err) {
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
}
if (requireResolveSupportsPaths) {
try {
require.resolve('./missing_index', { basedir: resolverDir });
t.fail('require.resolve did not fail');
} catch (err) {
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
}
}
});
test('missing main', function (t) {
var resolverDir = path.join(__dirname, 'resolver');
try {
resolve.sync('./missing_main', { basedir: resolverDir });
t.fail('require.resolve did not fail');
} catch (err) {
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
}
if (requireResolveSupportsPaths) {
try {
resolve.sync('./missing_main', { basedir: resolverDir });
t.fail('require.resolve did not fail');
} catch (err) {
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
}
}
t.end();
});
test('null main', function (t) {
var resolverDir = path.join(__dirname, 'resolver');
try {
resolve.sync('./null_main', { basedir: resolverDir });
t.fail('require.resolve did not fail');
} catch (err) {
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
}
if (requireResolveSupportsPaths) {
try {
resolve.sync('./null_main', { basedir: resolverDir });
t.fail('require.resolve did not fail');
} catch (err) {
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
}
}
t.end();
});
test('main: false', function (t) {
var basedir = path.join(__dirname, 'resolver');
var dir = path.join(basedir, 'false_main');
t.equal(
resolve.sync('./false_main', { basedir: basedir }),
path.join(dir, 'index.js'),
'`"main": false`: resolves to `index.js`'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./false_main', { basedir: basedir }),
require.resolve('./false_main', { paths: [basedir] }),
'`"main": false`: resolve.sync === require.resolve'
);
}
t.end();
});
var stubStatSync = function stubStatSync(fn) {
var statSync = fs.statSync;
try {
fs.statSync = function () {
throw new EvalError('Unknown Error');
};
return fn();
} finally {
fs.statSync = statSync;
}
};
test('#79 - re-throw non ENOENT errors from stat', function (t) {
var dir = path.join(__dirname, 'resolver');
stubStatSync(function () {
t.throws(function () {
resolve.sync('foo', { basedir: dir });
}, /Unknown Error/);
});
t.end();
});
test('#52 - incorrectly resolves module-paths like "./someFolder/" when there is a file of the same name', function (t) {
var dir = path.join(__dirname, 'resolver');
var basedir = path.join(dir, 'same_names');
t.equal(
resolve.sync('./foo', { basedir: basedir }),
path.join(dir, 'same_names/foo.js')
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./foo', { basedir: basedir }),
require.resolve('./foo', { paths: [basedir] }),
'./foo: resolve.sync === require.resolve'
);
}
t.equal(
resolve.sync('./foo/', { basedir: basedir }),
path.join(dir, 'same_names/foo/index.js')
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./foo/', { basedir: basedir }),
require.resolve('./foo/', { paths: [basedir] }),
'./foo/: resolve.sync === require.resolve'
);
}
t.end();
});
test('#211 - incorrectly resolves module-paths like "." when from inside a folder with a sibling file of the same name', function (t) {
var dir = path.join(__dirname, 'resolver');
var basedir = path.join(dir, 'same_names/foo');
t.equal(
resolve.sync('./', { basedir: basedir }),
path.join(dir, 'same_names/foo/index.js'),
'./'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./', { basedir: basedir }),
require.resolve('./', { paths: [basedir] }),
'./: resolve.sync === require.resolve'
);
}
t.equal(
resolve.sync('.', { basedir: basedir }),
path.join(dir, 'same_names/foo/index.js'),
'.'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('.', { basedir: basedir }),
require.resolve('.', { paths: [basedir] }),
'.: resolve.sync === require.resolve',
{ todo: true }
);
}
t.end();
});
test('sync: #121 - treating an existing file as a dir when no basedir', function (t) {
var testFile = path.basename(__filename);
t.test('sanity check', function (st) {
st.equal(
resolve.sync('./' + testFile),
__filename,
'sanity check'
);
st.equal(
resolve.sync('./' + testFile),
require.resolve('./' + testFile),
'sanity check: resolve.sync === require.resolve'
);
st.end();
});
t.test('with a fake directory', function (st) {
function run() { return resolve.sync('./' + testFile + '/blah'); }
st.throws(run, 'throws an error');
try {
run();
} catch (e) {
st.equal(e.code, 'MODULE_NOT_FOUND', 'error code matches require.resolve');
st.equal(
e.message,
'Cannot find module \'./' + testFile + '/blah\' from \'' + __dirname + '\'',
'can not find nonexistent module'
);
}
st.end();
});
t.end();
});
test('sync dot main', function (t) {
var start = new Date();
t.equal(
resolve.sync('./resolver/dot_main'),
path.join(__dirname, 'resolver/dot_main/index.js'),
'./resolver/dot_main'
);
t.equal(
resolve.sync('./resolver/dot_main'),
require.resolve('./resolver/dot_main'),
'./resolver/dot_main: resolve.sync === require.resolve'
);
t.ok(new Date() - start < 50, 'resolve.sync timedout');
t.end();
});
test('sync dot slash main', function (t) {
var start = new Date();
t.equal(
resolve.sync('./resolver/dot_slash_main'),
path.join(__dirname, 'resolver/dot_slash_main/index.js')
);
t.equal(
resolve.sync('./resolver/dot_slash_main'),
require.resolve('./resolver/dot_slash_main'),
'./resolver/dot_slash_main: resolve.sync === require.resolve'
);
t.ok(new Date() - start < 50, 'resolve.sync timedout');
t.end();
});
test('not a directory', function (t) {
var path = './foo';
try {
resolve.sync(path, { basedir: __filename });
t.fail();
} catch (err) {
t.ok(err, 'a non-directory errors');
t.equal(err && err.message, 'Cannot find module \'' + path + "' from '" + __filename + "'");
t.equal(err && err.code, 'MODULE_NOT_FOUND');
}
t.end();
});
test('non-string "main" field in package.json', function (t) {
var dir = path.join(__dirname, 'resolver');
try {
var result = resolve.sync('./invalid_main', { basedir: dir });
t.equal(result, undefined, 'result should not exist');
t.fail('should not get here');
} catch (err) {
t.ok(err, 'errors on non-string main');
t.equal(err.message, 'package “invalid_main” `main` must be a string');
t.equal(err.code, 'INVALID_PACKAGE_MAIN');
}
t.end();
});
test('non-string "main" field in package.json', function (t) {
var dir = path.join(__dirname, 'resolver');
try {
var result = resolve.sync('./invalid_main', { basedir: dir });
t.equal(result, undefined, 'result should not exist');
t.fail('should not get here');
} catch (err) {
t.ok(err, 'errors on non-string main');
t.equal(err.message, 'package “invalid_main” `main` must be a string');
t.equal(err.code, 'INVALID_PACKAGE_MAIN');
}
t.end();
});
test('browser field in package.json', function (t) {
var dir = path.join(__dirname, 'resolver');
var res = resolve.sync('./browser_field', {
basedir: dir,
packageFilter: function packageFilter(pkg) {
if (pkg.browser) {
pkg.main = pkg.browser; // eslint-disable-line no-param-reassign
delete pkg.browser; // eslint-disable-line no-param-reassign
}
return pkg;
}
});
t.equal(res, path.join(dir, 'browser_field', 'b.js'));
t.end();
});
test('absolute paths', function (t) {
var extensionless = __filename.slice(0, -path.extname(__filename).length);
t.equal(
resolve.sync(__filename),
__filename,
'absolute path to this file resolves'
);
t.equal(
resolve.sync(__filename),
require.resolve(__filename),
'absolute path to this file: resolve.sync === require.resolve'
);
t.equal(
resolve.sync(extensionless),
__filename,
'extensionless absolute path to this file resolves'
);
t.equal(
resolve.sync(__filename),
require.resolve(__filename),
'absolute path to this file: resolve.sync === require.resolve'
);
t.equal(
resolve.sync(__filename, { basedir: process.cwd() }),
__filename,
'absolute path to this file with a basedir resolves'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync(__filename, { basedir: process.cwd() }),
require.resolve(__filename, { paths: [process.cwd()] }),
'absolute path to this file + basedir: resolve.sync === require.resolve'
);
}
t.equal(
resolve.sync(extensionless, { basedir: process.cwd() }),
__filename,
'extensionless absolute path to this file with a basedir resolves'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync(extensionless, { basedir: process.cwd() }),
require.resolve(extensionless, { paths: [process.cwd()] }),
'extensionless absolute path to this file + basedir: resolve.sync === require.resolve'
);
}
t.end();
});
var malformedDir = path.join(__dirname, 'resolver/malformed_package_json');
test('malformed package.json', { skip: !fs.existsSync(malformedDir) }, function (t) {
t.plan(5 + (requireResolveSupportsPaths ? 1 : 0));
var basedir = malformedDir;
var expected = path.join(basedir, 'index.js');
t.equal(
resolve.sync('./index.js', { basedir: basedir }),
expected,
'malformed package.json is silently ignored'
);
if (requireResolveSupportsPaths) {
t.equal(
resolve.sync('./index.js', { basedir: basedir }),
require.resolve('./index.js', { paths: [basedir] }),
'malformed package.json: resolve.sync === require.resolve'
);
}
var res1 = resolve.sync(
'./index.js',
{
basedir: basedir,
packageFilter: function (pkg, pkgfile, dir) {
t.fail('should not reach here');
}
}
);
t.equal(
res1,
expected,
'with packageFilter: malformed package.json is silently ignored'
);
var res2 = resolve.sync(
'./index.js',
{
basedir: basedir,
readPackageSync: function (readFileSync, pkgfile) {
t.equal(pkgfile, path.join(basedir, 'package.json'), 'readPackageSync: `pkgfile` is package.json path');
var result = String(readFileSync(pkgfile));
try {
return JSON.parse(result);
} catch (e) {
t.ok(e instanceof SyntaxError, 'readPackageSync: malformed package.json parses as a syntax error');
}
}
}
);
t.equal(
res2,
expected,
'with readPackageSync: malformed package.json is silently ignored'
);
});