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index.ts
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import * as uvu from 'uvu';
import * as assert from 'uvu/assert';
import * as lib from '../src/index';
import type * as t from 'resolve.exports';
type Package = t.Package;
type Entry = t.Exports.Entry | t.Imports.Entry;
type Options = t.Options;
function pass(pkg: Package, expects: string|string[], entry?: string, options?: Options) {
let out = lib.resolve(pkg, entry, options);
if (typeof expects === 'string') {
assert.ok(Array.isArray(out));
assert.is(out[0], expects);
assert.is(out.length, 1);
} else {
// Array | null | undefined
assert.equal(out, expects);
}
}
function fail(pkg: Package, target: Entry, entry?: string, options?: Options) {
try {
lib.resolve(pkg, entry, options);
assert.unreachable();
} catch (err) {
assert.instance(err, Error);
assert.is((err as Error).message, `Missing "${target}" specifier in "${pkg.name}" package`);
}
}
function describe(
name: string,
cb: (it: uvu.Test) => void
) {
let t = uvu.suite(name);
cb(t);
t.run();
}
// ---
describe('$.resolve', it => {
it('should be a function', () => {
assert.type(lib.resolve, 'function');
});
it('should return nothing if no maps', () => {
let output = lib.resolve({
"name": "foobar"
});
assert.is(output, undefined);
});
it('should default to `$.exports` handler', () => {
let pkg: Package = {
"name": "foobar",
"exports": "./hello.mjs"
};
let output = lib.resolve(pkg);
assert.equal(output, ['./hello.mjs']);
output = lib.resolve(pkg, '.');
assert.equal(output, ['./hello.mjs']);
try {
lib.resolve(pkg, './other');
assert.unreachable();
} catch (err) {
assert.instance(err, Error);
assert.is((err as Error).message, `Missing "./other" specifier in "foobar" package`);
}
});
it('should run `$.imports` if given #ident', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#foo": "./foo.mjs"
}
};
let output = lib.resolve(pkg, '#foo');
assert.equal(output, ['./foo.mjs']);
output = lib.resolve(pkg, 'foobar/#foo');
assert.equal(output, ['./foo.mjs']);
try {
lib.resolve(pkg, '#bar');
assert.unreachable();
} catch (err) {
assert.instance(err, Error);
assert.is((err as Error).message, `Missing "#bar" specifier in "foobar" package`);
}
});
it('should run `$.export` if given "external" identifier', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
".": "./foo.mjs"
}
};
try {
lib.resolve(pkg, 'external');
assert.unreachable();
} catch (err) {
assert.instance(err, Error);
// IMPORTANT: treats "external" as "./external"
assert.is((err as Error).message, `Missing "./external" specifier in "foobar" package`);
}
});
it('should run `$.export` if given "external/subpath" identifier', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
".": "./foo.mjs"
}
};
try {
lib.resolve(pkg, 'external/subpath');
assert.unreachable();
} catch (err) {
assert.instance(err, Error);
// IMPORTANT: treats "external/subpath" as "./external/subpath"
assert.is((err as Error).message, `Missing "./external/subpath" specifier in "foobar" package`);
}
});
});
describe('$.imports', it => {
it('should be a function', () => {
assert.type(lib.imports, 'function');
});
it('should return nothing if no "imports" map', () => {
let pkg: Package = {
"name": "foobar"
};
let output = lib.imports(pkg, '#any');
assert.is(output, undefined);
});
it('imports["#foo"] = string', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#foo": "./$import",
"#bar": "module-a",
}
};
pass(pkg, './$import', '#foo');
pass(pkg, './$import', 'foobar/#foo');
pass(pkg, 'module-a', '#bar');
pass(pkg, 'module-a', 'foobar/#bar');
fail(pkg, '#other', 'foobar/#other');
});
it('imports["#foo"] = object', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#foo": {
"import": "./$import",
"require": "./$require",
}
}
};
pass(pkg, './$import', '#foo');
pass(pkg, './$import', 'foobar/#foo');
fail(pkg, '#other', 'foobar/#other');
});
it('nested conditions :: subpath', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#lite": {
"node": {
"import": "./$node.import",
"require": "./$node.require"
},
"browser": {
"import": "./$browser.import",
"require": "./$browser.require"
},
}
}
};
pass(pkg, './$node.import', 'foobar/#lite');
pass(pkg, './$node.require', 'foobar/#lite', { require: true });
pass(pkg, './$browser.import', 'foobar/#lite', { browser: true });
pass(pkg, './$browser.require', 'foobar/#lite', { browser: true, require: true });
});
it('nested conditions :: subpath :: inverse', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#lite": {
"import": {
"browser": "./$browser.import",
"node": "./$node.import",
},
"require": {
"browser": "./$browser.require",
"node": "./$node.require",
}
}
}
};
pass(pkg, './$node.import', 'foobar/#lite');
pass(pkg, './$node.require', 'foobar/#lite', { require: true });
pass(pkg, './$browser.import', 'foobar/#lite', { browser: true });
pass(pkg, './$browser.require', 'foobar/#lite', { browser: true, require: true });
});
// https://nodejs.org/api/packages.html#packages_subpath_folder_mappings
it('imports["#key/*"]', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#key/*": "./cheese/*.mjs"
}
};
pass(pkg, './cheese/hello.mjs', 'foobar/#key/hello');
pass(pkg, './cheese/hello/world.mjs', '#key/hello/world');
// evaluate as defined, not wrong
pass(pkg, './cheese/hello.js.mjs', '#key/hello.js');
pass(pkg, './cheese/hello.js.mjs', 'foobar/#key/hello.js');
pass(pkg, './cheese/hello/world.js.mjs', '#key/hello/world.js');
});
it('imports["#key/dir*"]', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#key/dir*": "./cheese/*.mjs"
}
};
pass(pkg, './cheese/test.mjs', '#key/dirtest');
pass(pkg, './cheese/test.mjs', 'foobar/#key/dirtest');
pass(pkg, './cheese/test/wheel.mjs', '#key/dirtest/wheel');
pass(pkg, './cheese/test/wheel.mjs', 'foobar/#key/dirtest/wheel');
});
// https://github.com/lukeed/resolve.exports/issues/9
it('imports["#key/dir*"] :: repeat "*" value', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#key/dir*": "./*sub/dir*/file.js"
}
};
pass(pkg, './testsub/dirtest/file.js', '#key/dirtest');
pass(pkg, './testsub/dirtest/file.js', 'foobar/#key/dirtest');
pass(pkg, './test/innersub/dirtest/inner/file.js', '#key/dirtest/inner');
pass(pkg, './test/innersub/dirtest/inner/file.js', 'foobar/#key/dirtest/inner');
});
/**
* @deprecated Documentation-only deprecation in Node 14.13
* @deprecated Runtime deprecation in Node 16.0
* @removed Removed in Node 18.0
* @see https://nodejs.org/docs/latest-v16.x/api/packages.html#subpath-folder-mappings
*/
it('imports["#features/"]', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#features/": "./features/"
}
};
pass(pkg, './features/', '#features/');
pass(pkg, './features/', 'foobar/#features/');
pass(pkg, './features/hello.js', 'foobar/#features/hello.js');
fail(pkg, '#features', '#features');
fail(pkg, '#features', 'foobar/#features');
});
it('imports["#features/"] :: conditions', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#features/": {
"browser": {
"import": "./browser.import/",
"require": "./browser.require/",
},
"import": "./import/",
"require": "./require/",
},
}
};
// import
pass(pkg, './import/', '#features/');
pass(pkg, './import/', 'foobar/#features/');
pass(pkg, './import/hello.js', '#features/hello.js');
pass(pkg, './import/hello.js', 'foobar/#features/hello.js');
// require
pass(pkg, './require/', '#features/', { require: true });
pass(pkg, './require/', 'foobar/#features/', { require: true });
pass(pkg, './require/hello.js', '#features/hello.js', { require: true });
pass(pkg, './require/hello.js', 'foobar/#features/hello.js', { require: true });
// require + browser
pass(pkg, './browser.require/', '#features/', { browser: true, require: true });
pass(pkg, './browser.require/', 'foobar/#features/', { browser: true, require: true });
pass(pkg, './browser.require/hello.js', '#features/hello.js', { browser: true, require: true });
pass(pkg, './browser.require/hello.js', 'foobar/#features/hello.js', { browser: true, require: true });
});
// https://nodejs.org/api/packages.html#packages_subpath_folder_mappings
it('imports["#features/*"]', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#features/*": "./features/*.js",
}
};
fail(pkg, '#features', '#features');
fail(pkg, '#features', 'foobar/#features');
fail(pkg, '#features/', '#features/');
fail(pkg, '#features/', 'foobar/#features/');
pass(pkg, './features/a.js', 'foobar/#features/a');
pass(pkg, './features/ab.js', 'foobar/#features/ab');
pass(pkg, './features/abc.js', 'foobar/#features/abc');
pass(pkg, './features/hello.js', 'foobar/#features/hello');
pass(pkg, './features/foo/bar.js', 'foobar/#features/foo/bar');
// Valid: Pattern trailers allow any exact substrings to be matched
pass(pkg, './features/hello.js.js', 'foobar/#features/hello.js');
pass(pkg, './features/foo/bar.js.js', 'foobar/#features/foo/bar.js');
});
// https://nodejs.org/api/packages.html#packages_subpath_folder_mappings
it('exports["#fooba*"] :: with "#foo*" key', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#fooba*": "./features/*.js",
"#foo*": "./"
}
};
pass(pkg, './features/r.js', '#foobar');
pass(pkg, './features/r.js', 'foobar/#foobar');
pass(pkg, './features/r/hello.js', 'foobar/#foobar/hello');
pass(pkg, './features/r/foo/bar.js', 'foobar/#foobar/foo/bar');
// Valid: Pattern trailers allow any exact substrings to be matched
pass(pkg, './features/r/hello.js.js', 'foobar/#foobar/hello.js');
pass(pkg, './features/r/foo/bar.js.js', 'foobar/#foobar/foo/bar.js');
});
// https://github.com/lukeed/resolve.exports/issues/7
it('imports["#fooba*"] :: with "#foo*" key first', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#foo*": "./",
"#fooba*": "./features/*.js"
}
};
pass(pkg, './features/r.js', '#foobar');
pass(pkg, './features/r.js', 'foobar/#foobar');
pass(pkg, './features/r/hello.js', 'foobar/#foobar/hello');
pass(pkg, './features/r/foo/bar.js', 'foobar/#foobar/foo/bar');
// Valid: Pattern trailers allow any exact substrings to be matched
pass(pkg, './features/r/hello.js.js', 'foobar/#foobar/hello.js');
pass(pkg, './features/r/foo/bar.js.js', 'foobar/#foobar/foo/bar.js');
});
// https://github.com/lukeed/resolve.exports/issues/16
it('imports["#features/*"] :: with `null` internals', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#features/*": "./src/features/*.js",
"#features/internal/*": null
}
};
pass(pkg, './src/features/hello.js', '#features/hello');
pass(pkg, './src/features/hello.js', 'foobar/#features/hello');
pass(pkg, './src/features/foo/bar.js', '#features/foo/bar');
pass(pkg, './src/features/foo/bar.js', 'foobar/#features/foo/bar');
// TODO? Native throws `ERR_PACKAGE_PATH_NOT_EXPORTED`
// Currently throwing `Missing "%s" specifier in "$s" package`
fail(pkg, '#features/internal/hello', '#features/internal/hello');
fail(pkg, '#features/internal/foo/bar', '#features/internal/foo/bar');
});
// https://github.com/lukeed/resolve.exports/issues/16
it('imports["#features/*"] :: with `null` internals first', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#features/internal/*": null,
"#features/*": "./src/features/*.js",
}
};
pass(pkg, './src/features/hello.js', '#features/hello');
pass(pkg, './src/features/hello.js', 'foobar/#features/hello');
pass(pkg, './src/features/foo/bar.js', '#features/foo/bar');
pass(pkg, './src/features/foo/bar.js', 'foobar/#features/foo/bar');
// TODO? Native throws `ERR_PACKAGE_PATH_NOT_EXPORTED`
// Currently throwing `Missing "%s" specifier in "$s" package`
fail(pkg, '#features/internal/hello', '#features/internal/hello');
fail(pkg, '#features/internal/foo/bar', '#features/internal/foo/bar');
});
// https://nodejs.org/docs/latest-v18.x/api/packages.html#package-entry-points
it('imports["#features/*"] :: with "#features/*.js" key', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#features/*": "./features/*.js",
"#features/*.js": "./features/*.js",
}
};
fail(pkg, '#features', '#features');
fail(pkg, '#features', 'foobar/#features');
fail(pkg, '#features/', '#features/');
fail(pkg, '#features/', 'foobar/#features/');
pass(pkg, './features/a.js', 'foobar/#features/a');
pass(pkg, './features/ab.js', 'foobar/#features/ab');
pass(pkg, './features/abc.js', 'foobar/#features/abc');
pass(pkg, './features/hello.js', 'foobar/#features/hello');
pass(pkg, './features/hello.js', 'foobar/#features/hello.js');
pass(pkg, './features/foo/bar.js', 'foobar/#features/foo/bar');
pass(pkg, './features/foo/bar.js', 'foobar/#features/foo/bar.js');
});
it('imports["#features/*"] :: conditions', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#features/*": {
"browser": {
"import": "./browser.import/*.mjs",
"require": "./browser.require/*.js",
},
"import": "./import/*.mjs",
"require": "./require/*.js",
},
}
};
// import
fail(pkg, '#features/', '#features/'); // no file
fail(pkg, '#features/', 'foobar/#features/'); // no file
pass(pkg, './import/hello.mjs', '#features/hello');
pass(pkg, './import/hello.mjs', 'foobar/#features/hello');
// require
fail(pkg, '#features/', '#features/', { require: true }); // no file
fail(pkg, '#features/', 'foobar/#features/', { require: true }); // no file
pass(pkg, './require/hello.js', '#features/hello', { require: true });
pass(pkg, './require/hello.js', 'foobar/#features/hello', { require: true });
// require + browser
fail(pkg, '#features/', '#features/', { browser: true, require: true }); // no file
fail(pkg, '#features/', 'foobar/#features/', { browser: true, require: true }); // no file
pass(pkg, './browser.require/hello.js', '#features/hello', { browser: true, require: true });
pass(pkg, './browser.require/hello.js', 'foobar/#features/hello', { browser: true, require: true });
});
it('should handle mixed path/conditions', () => {
let pkg: Package = {
"name": "foobar",
"imports": {
"#foo": [
{
"require": "./$foo.require"
},
"./$foo.string"
]
}
};
// TODO? if len==1 then single?
pass(pkg, ['./$foo.string'], '#foo');
pass(pkg, ['./$foo.string'], 'foobar/#foo');
pass(pkg, ['./$foo.require', './$foo.string'], '#foo', { require: true });
pass(pkg, ['./$foo.require', './$foo.string'], 'foobar/#foo', { require: true });
});
});
describe('$.exports', it => {
it('should be a function', () => {
assert.type(lib.exports, 'function');
});
it('should return nothing if no "exports" map', () => {
let pkg: Package = {
"name": "foobar"
};
let output = lib.exports(pkg, '#any');
assert.is(output, undefined);
});
it('should default to "." target input', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
".": "./hello.mjs"
}
};
let output = lib.exports(pkg);
assert.equal(output, ['./hello.mjs']);
output = lib.exports(pkg, '.');
assert.equal(output, ['./hello.mjs']);
output = lib.exports(pkg, 'foobar');
assert.equal(output, ['./hello.mjs']);
});
it('exports=string', () => {
let pkg: Package = {
"name": "foobar",
"exports": "./$string",
};
pass(pkg, './$string');
pass(pkg, './$string', '.');
pass(pkg, './$string', 'foobar');
fail(pkg, './other', 'other');
fail(pkg, './other', 'foobar/other');
fail(pkg, './hello', './hello');
});
it('exports = { self }', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"import": "./$import",
"require": "./$require",
}
};
pass(pkg, './$import');
pass(pkg, './$import', '.');
pass(pkg, './$import', 'foobar');
fail(pkg, './other', 'other');
fail(pkg, './other', 'foobar/other');
fail(pkg, './hello', './hello');
});
it('exports["."] = string', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
".": "./$self",
}
};
pass(pkg, './$self');
pass(pkg, './$self', '.');
pass(pkg, './$self', 'foobar');
fail(pkg, './other', 'other');
fail(pkg, './other', 'foobar/other');
fail(pkg, './hello', './hello');
});
it('exports["."] = object', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
".": {
"import": "./$import",
"require": "./$require",
}
}
};
pass(pkg, './$import');
pass(pkg, './$import', '.');
pass(pkg, './$import', 'foobar');
fail(pkg, './other', 'other');
fail(pkg, './other', 'foobar/other');
fail(pkg, './hello', './hello');
});
it('exports["./foo"] = string', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./foo": "./$import",
}
};
pass(pkg, './$import', './foo');
pass(pkg, './$import', 'foobar/foo');
fail(pkg, '.');
fail(pkg, '.', 'foobar');
fail(pkg, './other', 'foobar/other');
});
it('exports["./foo"] = object', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./foo": {
"import": "./$import",
"require": "./$require",
}
}
};
pass(pkg, './$import', './foo');
pass(pkg, './$import', 'foobar/foo');
fail(pkg, '.');
fail(pkg, '.', 'foobar');
fail(pkg, './other', 'foobar/other');
});
// https://nodejs.org/api/packages.html#packages_nested_conditions
it('nested conditions', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"node": {
"import": "./$node.import",
"require": "./$node.require"
},
"default": "./$default",
}
};
pass(pkg, './$node.import');
pass(pkg, './$node.import', 'foobar');
// browser => no "node" key
pass(pkg, './$default', '.', { browser: true });
pass(pkg, './$default', 'foobar', { browser: true });
fail(pkg, './hello', './hello');
fail(pkg, './other', 'foobar/other');
fail(pkg, './other', 'other');
});
it('nested conditions :: subpath', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./lite": {
"node": {
"import": "./$node.import",
"require": "./$node.require"
},
"browser": {
"import": "./$browser.import",
"require": "./$browser.require"
},
}
}
};
pass(pkg, './$node.import', 'foobar/lite');
pass(pkg, './$node.require', 'foobar/lite', { require: true });
pass(pkg, './$browser.import', 'foobar/lite', { browser: true });
pass(pkg, './$browser.require', 'foobar/lite', { browser: true, require: true });
});
it('nested conditions :: subpath :: inverse', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./lite": {
"import": {
"browser": "./$browser.import",
"node": "./$node.import",
},
"require": {
"browser": "./$browser.require",
"node": "./$node.require",
}
}
}
};
pass(pkg, './$node.import', 'foobar/lite');
pass(pkg, './$node.require', 'foobar/lite', { require: true });
pass(pkg, './$browser.import', 'foobar/lite', { browser: true });
pass(pkg, './$browser.require', 'foobar/lite', { browser: true, require: true });
});
// https://nodejs.org/api/packages.html#packages_subpath_folder_mappings
it('exports["./"]', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
".": {
"require": "./$require",
"import": "./$import"
},
"./package.json": "./package.json",
"./": "./"
}
};
pass(pkg, './$import');
pass(pkg, './$import', 'foobar');
pass(pkg, './$require', 'foobar', { require: true });
pass(pkg, './package.json', 'package.json');
pass(pkg, './package.json', 'foobar/package.json');
pass(pkg, './package.json', './package.json');
// "loose" / everything exposed
pass(pkg, './hello.js', 'hello.js');
pass(pkg, './hello.js', 'foobar/hello.js');
pass(pkg, './hello/world.js', './hello/world.js');
});
it('exports["./"] :: w/o "." key', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./package.json": "./package.json",
"./": "./"
}
};
fail(pkg, '.', ".");
fail(pkg, '.', "foobar");
pass(pkg, './package.json', 'package.json');
pass(pkg, './package.json', 'foobar/package.json');
pass(pkg, './package.json', './package.json');
// "loose" / everything exposed
pass(pkg, './hello.js', 'hello.js');
pass(pkg, './hello.js', 'foobar/hello.js');
pass(pkg, './hello/world.js', './hello/world.js');
});
// https://nodejs.org/api/packages.html#packages_subpath_folder_mappings
it('exports["./*"]', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./*": "./cheese/*.mjs"
}
};
fail(pkg, '.', ".");
fail(pkg, '.', "foobar");
pass(pkg, './cheese/hello.mjs', 'hello');
pass(pkg, './cheese/hello.mjs', 'foobar/hello');
pass(pkg, './cheese/hello/world.mjs', './hello/world');
// evaluate as defined, not wrong
pass(pkg, './cheese/hello.js.mjs', 'hello.js');
pass(pkg, './cheese/hello.js.mjs', 'foobar/hello.js');
pass(pkg, './cheese/hello/world.js.mjs', './hello/world.js');
});
it('exports["./dir*"]', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./dir*": "./cheese/*.mjs"
}
};
fail(pkg, '.', ".");
fail(pkg, '.', "foobar");
pass(pkg, './cheese/test.mjs', 'dirtest');
pass(pkg, './cheese/test.mjs', 'foobar/dirtest');
pass(pkg, './cheese/test/wheel.mjs', 'dirtest/wheel');
pass(pkg, './cheese/test/wheel.mjs', 'foobar/dirtest/wheel');
});
// https://github.com/lukeed/resolve.exports/issues/9
it('exports["./dir*"] :: repeat "*" value', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./dir*": "./*sub/dir*/file.js"
}
};
fail(pkg, '.', ".");
fail(pkg, '.', "foobar");
pass(pkg, './testsub/dirtest/file.js', 'dirtest');
pass(pkg, './testsub/dirtest/file.js', 'foobar/dirtest');
pass(pkg, './test/innersub/dirtest/inner/file.js', 'dirtest/inner');
pass(pkg, './test/innersub/dirtest/inner/file.js', 'foobar/dirtest/inner');
});
it('exports["./dir*"] :: share "name" start', () => {
let pkg: Package = {
"name": "director",
"exports": {
"./dir*": "./*sub/dir*/file.js"
}
};
fail(pkg, '.', ".");
fail(pkg, '.', "director");
pass(pkg, './testsub/dirtest/file.js', 'dirtest');
pass(pkg, './testsub/dirtest/file.js', 'director/dirtest');
pass(pkg, './test/innersub/dirtest/inner/file.js', 'dirtest/inner');
pass(pkg, './test/innersub/dirtest/inner/file.js', 'director/dirtest/inner');
});
/**
* @deprecated Documentation-only deprecation in Node 14.13
* @deprecated Runtime deprecation in Node 16.0
* @removed Removed in Node 18.0
* @see https://nodejs.org/docs/latest-v16.x/api/packages.html#subpath-folder-mappings
*/
it('exports["./features/"]', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./features/": "./features/"
}
};
pass(pkg, './features/', 'features/');
pass(pkg, './features/', 'foobar/features/');
pass(pkg, './features/hello.js', 'foobar/features/hello.js');
fail(pkg, './features', 'features');
fail(pkg, './features', 'foobar/features');
fail(pkg, './package.json', 'package.json');
fail(pkg, './package.json', 'foobar/package.json');
fail(pkg, './package.json', './package.json');
});
// https://nodejs.org/api/packages.html#packages_subpath_folder_mappings
it('exports["./features/"] :: with "./" key', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./features/": "./features/",
"./package.json": "./package.json",
"./": "./"
}
};
pass(pkg, './features', 'features'); // via "./"
pass(pkg, './features', 'foobar/features'); // via "./"
pass(pkg, './features/', 'features/'); // via "./features/"
pass(pkg, './features/', 'foobar/features/'); // via "./features/"
pass(pkg, './features/hello.js', 'foobar/features/hello.js');
pass(pkg, './package.json', 'package.json');
pass(pkg, './package.json', 'foobar/package.json');
pass(pkg, './package.json', './package.json');
// Does NOT hit "./" (match Node)
fail(pkg, '.', '.');
fail(pkg, '.', 'foobar');
});
it('exports["./features/"] :: conditions', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./features/": {
"browser": {
"import": "./browser.import/",
"require": "./browser.require/",
},
"import": "./import/",
"require": "./require/",
},
}
};
// import
pass(pkg, './import/', 'features/');
pass(pkg, './import/', 'foobar/features/');
pass(pkg, './import/hello.js', './features/hello.js');
pass(pkg, './import/hello.js', 'foobar/features/hello.js');
// require
pass(pkg, './require/', 'features/', { require: true });
pass(pkg, './require/', 'foobar/features/', { require: true });
pass(pkg, './require/hello.js', './features/hello.js', { require: true });
pass(pkg, './require/hello.js', 'foobar/features/hello.js', { require: true });
// require + browser
pass(pkg, './browser.require/', 'features/', { browser: true, require: true });
pass(pkg, './browser.require/', 'foobar/features/', { browser: true, require: true });
pass(pkg, './browser.require/hello.js', './features/hello.js', { browser: true, require: true });
pass(pkg, './browser.require/hello.js', 'foobar/features/hello.js', { browser: true, require: true });
});
// https://nodejs.org/api/packages.html#packages_subpath_folder_mappings
it('exports["./features/*"]', () => {
let pkg: Package = {
"name": "foobar",
"exports": {
"./features/*": "./features/*.js",
}
};
fail(pkg, './features', 'features');
fail(pkg, './features', 'foobar/features');
fail(pkg, './features/', 'features/');
fail(pkg, './features/', 'foobar/features/');
pass(pkg, './features/a.js', 'foobar/features/a');
pass(pkg, './features/ab.js', 'foobar/features/ab');
pass(pkg, './features/abc.js', 'foobar/features/abc');
pass(pkg, './features/hello.js', 'foobar/features/hello');
pass(pkg, './features/foo/bar.js', 'foobar/features/foo/bar');
// Valid: Pattern trailers allow any exact substrings to be matched
pass(pkg, './features/hello.js.js', 'foobar/features/hello.js');
pass(pkg, './features/foo/bar.js.js', 'foobar/features/foo/bar.js');
fail(pkg, './package.json', 'package.json');
fail(pkg, './package.json', 'foobar/package.json');
fail(pkg, './package.json', './package.json');
});