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test.js
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test.js
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import assert from 'node:assert/strict'
import test from 'node:test'
import {parse, stringify} from './index.js'
test('comma-separated-tokens', async function (t) {
await t.test('.parse()', function () {
assert.deepEqual(
// @ts-expect-error runtime.
parse(),
[],
'should return an empty array for an empty value'
)
assert.deepEqual(
parse(','),
[''],
'should return one empty entry for a single comma'
)
assert.deepEqual(
parse(',,'),
['', ''],
'should return two empty entry for a two comma’s'
)
assert.deepEqual(parse(' a ,b,,d d '), ['a', 'b', '', 'd d'], 'should work')
})
await t.test('.stringify()', function () {
assert.deepEqual(
stringify([]),
'',
'should return an empty string for an empty array'
)
assert.deepEqual(
stringify(['']),
',',
'should return a single comma for an empty entry'
)
assert.deepEqual(
stringify(['', '']),
', ,',
'should return two comma’s for two empty entries'
)
assert.deepEqual(
stringify(['', 'foo']),
', foo',
'should add an initial comma'
)
assert.deepEqual(
stringify(['foo', '']),
'foo, ,',
'should add a final comma'
)
assert.deepEqual(
stringify(['a', 'b', '', 'd d']),
'a, b, , d d',
'should work'
)
assert.deepEqual(
stringify(['a', 'b', '', 'd d'], {
padRight: true,
padLeft: false
}),
'a ,b , ,d d',
'should accept padding'
)
})
})