createFilter.ts

import { resolve as rawResolve } from 'path';

import test from 'ava';

import { createFilter, normalizePath } from '../';

const resolve = (...parts: string[]) => normalizePath(rawResolve(...parts));

test.beforeEach(() => process.chdir(__dirname));

test('includes by default', (t) => {
  const filter = createFilter();
  t.truthy(filter(resolve('x')));
});

test('excludes IDs that are not included, if include.length > 0', (t) => {
  const filter = createFilter(['y']);
  t.falsy(filter(resolve('x')));
  t.truthy(filter(resolve('y')));
});

test('excludes IDs explicitly', (t) => {
  const filter = createFilter(null, ['y']);
  t.truthy(filter(resolve('x')));
  t.falsy(filter(resolve('y')));
});

test('handles non-array arguments', (t) => {
  const filter = createFilter('foo/*', 'foo/baz');
  t.truthy(filter(resolve('foo/bar')));
  t.falsy(filter(resolve('foo/baz')));
});

test('negation patterns', (t) => {
  const filter = createFilter(['a/!(b)/c']);
  t.truthy(filter(resolve('a/d/c')));
  t.falsy(filter(resolve('a/b/c')));
});

test('excludes non-string IDs', (t) => {
  const filter = createFilter(null, null);
  t.falsy(filter({}));
});

test('excludes strings beginning with NUL', (t) => {
  const filter = createFilter(null, null);
  t.falsy(filter('\0someid'));
});

test('includes with regexp', (t) => {
  const filter = createFilter(['a/!(b)/c', /\.js$/]);
  t.truthy(filter(resolve('a/d/c')));
  t.falsy(filter(resolve('a/b/c')));
  t.truthy(filter(resolve('a.js')));
  t.truthy(filter(resolve('a/b.js')));
  t.falsy(filter(resolve('a/b.jsx')));
});

test('excludes with regexp', (t) => {
  const filter = createFilter(['a/!(b)/c', /\.js$/], /\.js$/);
  t.truthy(filter(resolve('a/d/c')));
  t.falsy(filter(resolve('a/b/c')));
  t.falsy(filter(resolve('a.js')));
  t.falsy(filter(resolve('a/b.js')));
  t.falsy(filter(resolve('a/b.jsx')));
});

test('allows setting an absolute base dir', (t) => {
  const baseDir = resolve('C');
  const filter = createFilter(['y*'], ['yx'], { resolve: baseDir });
  t.falsy(filter(`${baseDir}/x`));
  t.truthy(filter(`${baseDir}/ys`));
  t.falsy(filter(`${baseDir}/yx`));
  t.falsy(filter(resolve('C/d/ys')));
  t.falsy(filter(resolve('ys')));
  t.falsy(filter('ys'));
});

test('allows setting a relative base dir', (t) => {
  const filter = createFilter(['y*'], ['yx'], { resolve: 'C/d' });
  t.falsy(filter(resolve('C/d/x')));
  t.truthy(filter(resolve('C/d/ys')));
  t.falsy(filter(resolve('C/d/yx')));
  t.falsy(filter(`${resolve('C')}/ys`));
  t.falsy(filter(resolve('ys')));
  t.falsy(filter('ys'));
});

test('ignores a falsy resolve value', (t) => {
  const filter = createFilter(['y*'], ['yx'], { resolve: null });
  t.falsy(filter(resolve('x')));
  t.truthy(filter(resolve('ys')));
  t.falsy(filter(resolve('yx')));
  t.falsy(filter(`${resolve('C')}/ys`));
  t.falsy(filter(resolve('C/d/ys')));
  t.falsy(filter('ys'));
});

test('allows preventing resolution against process.cwd()', (t) => {
  const filter = createFilter(['y*'], ['yx'], { resolve: false });
  t.falsy(filter('x'));
  t.truthy(filter('ys'));
  t.falsy(filter('yx'));
  t.falsy(filter(`${resolve('C')}/ys`));
  t.falsy(filter(resolve('C/d/ys')));
  t.falsy(filter(resolve('ys')));
});

test('includes names starting with a "."', (t) => {
  const filter = createFilter(['**/*a']);
  t.truthy(filter(resolve('.a')));
  t.truthy(filter(resolve('.x/a')));
});

test.serial('includes names containing parenthesis', (t) => {
  process.chdir(resolve(__dirname, 'fixtures/folder-with (parens)'));
  const filter = createFilter(['*.ts+(|x)', '**/*.ts+(|x)'], ['*.d.ts', '**/*.d.ts']);
  t.truthy(filter(resolve('folder (test)/src/main.tsx')));
  t.truthy(filter(resolve('.x/(test)a.ts')));
  t.falsy(filter(resolve('.x/(test)a.d.ts')));
});

test('handles relative paths', (t) => {
  const filter = createFilter(['./index.js', './foo/../a.js']);
  t.truthy(filter(resolve('index.js')));
  t.truthy(filter(resolve('a.js')));
  t.falsy(filter(resolve('foo/a.js')));
});

test('does not add current working directory when pattern is an absolute path', (t) => {
  const filter = createFilter([resolve('..', '..', '*')]);
  t.truthy(filter(resolve('..', '..', 'a')));
  t.truthy(filter(resolve('..', '..', 'b')));
  t.falsy(filter(resolve('..', 'c')));
});

test('normalizes path when pattern is an absolute path', (t) => {
  const filterPosix = createFilter([`${resolve('.')}/*`]);
  const filterWin = createFilter([`${resolve('.')}\\*`]);

  t.truthy(filterPosix(resolve('a')));
  t.truthy(filterWin(resolve('a')));
});

test('normalizes path when pattern starts with *', (t) => {
  const filterPosix = createFilter([`**/a`]);
  const filterWin = createFilter([`**\\a`]);

  t.truthy(filterPosix(resolve('a')));
  t.truthy(filterWin(resolve('a')));
});

test('normalizes path when pattern has resolution base', (t) => {
  const filterPosix = createFilter([`test/*`], [], {
    resolve: __dirname
  });
  const filterWin = createFilter([`test\\*`], [], {
    resolve: __dirname
  });

  t.truthy(filterPosix(resolve('test/a')));
  t.truthy(filterWin(resolve('test/a')));
});

test('does not add current working directory when pattern starts with a glob', (t) => {
  const filter = createFilter(['**/*']);
  t.truthy(filter(resolve('a')));
  t.truthy(filter(resolve('..', '..', 'a')));
});