kitten.sh
1import { transform } from '@babel/core';
2import reghexPlugin from './plugin';
3
4it('works with standard features', () => {
5 const code = `
6 import match from 'reghex/macro';
7
8 const node = match('node')\`
9 \${1}+ | \${2}+ (\${3} ( \${4}? \${5} ) )*
10 \`;
11 `;
12
13 expect(
14 transform(code, { babelrc: false, presets: [], plugins: [reghexPlugin] })
15 .code
16 ).toMatchSnapshot();
17});
18
19it('works with local recursion', () => {
20 // NOTE: A different default name is allowed
21 const code = `
22 import match_rec, { tag } from 'reghex';
23
24 const inner = match_rec('inner')\`
25 \${/inner/}
26 \`;
27
28 const node = match_rec('node')\`
29 \${inner}
30 \`;
31 `;
32
33 expect(
34 transform(code, { babelrc: false, presets: [], plugins: [reghexPlugin] })
35 .code
36 ).toMatchSnapshot();
37});
38
39it('works with transform functions', () => {
40 const code = `
41 import match from 'reghex';
42
43 const first = match('inner', x => x)\`\`;
44
45 const transform = x => x;
46 const second = match('node', transform)\`\`;
47 `;
48
49 expect(
50 transform(code, { babelrc: false, presets: [], plugins: [reghexPlugin] })
51 .code
52 ).toMatchSnapshot();
53});
54
55it('works with non-capturing groups', () => {
56 const code = `
57 import match from 'reghex';
58
59 const node = match('node')\`
60 \${1} (\${2} | (?: \${3})+)
61 \`;
62 `;
63
64 expect(
65 transform(code, { babelrc: false, presets: [], plugins: [reghexPlugin] })
66 .code
67 ).toMatchSnapshot();
68});
69
70it('works together with @babel/plugin-transform-modules-commonjs', () => {
71 const code = `
72 import match from 'reghex';
73
74 const node = match('node')\`
75 \${1} \${2}
76 \`;
77 `;
78
79 expect(
80 transform(code, {
81 babelrc: false,
82 presets: [],
83 plugins: [
84 reghexPlugin,
85 [
86 '@babel/plugin-transform-modules-commonjs',
87 {
88 noInterop: true,
89 loose: true,
90 },
91 ],
92 ],
93 }).code
94 ).toMatchSnapshot();
95});