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Add functional API.

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This commit is contained in:
David Braun 2017-10-11 03:32:47 -04:00
parent be51e95eb3
commit 8da51305eb
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3 changed files with 91 additions and 2 deletions
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47
test/index.js
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@ -99,6 +99,45 @@ describe(`Channel`, function () {
break
}
})
describe(`functional interface`, async function () {
describe(`map`, function () {
it(`full application`, async function () {
assert.deepEqual(
await toArray(Channel.map(
(value) => value.toUpperCase(),
Channel.of(`a`, `b`, `c`)
)),
[`A`, `B`, `C`]
)
})
it(`partial application`, async function () {
assert.deepEqual(
await toArray(Channel.map((value) =>
value.toUpperCase())(Channel.of(`a`, `b`, `c`))
),
[`A`, `B`, `C`]
)
})
})
describe(`slice`, function () {
it(`full application`, async function () {
assert.deepEqual(
await toArray(Channel.slice(1, 4, Channel.of(0, 1, 2, 3, 4))),
[1, 2, 3]
)
})
it(`partial application`, async function () {
assert.deepEqual(
await toArray(Channel.slice(1, 4)(Channel.of(0, 1, 2, 3, 4))),
[1, 2, 3]
)
})
})
})
})
describe(`Channel object`, function () {
@ -143,7 +182,9 @@ describe(`Channel object`, function () {
it(`filter`, async function () {
assert.deepEqual(
await toArray(Channel.of(0, 1, 2, 3, 4, 5).filter(x => x % 2 !== 0)),
await toArray(Channel.of(0, 1, 2, 3, 4, 5)
.filter((value) => value % 2 !== 0)
),
[1, 3, 5]
)
})
@ -165,7 +206,9 @@ describe(`Channel object`, function () {
it(`map`, async function () {
assert.deepEqual(
await toArray(Channel.of(`a`, `b`, `c`).map(x => x.toUpperCase())),
await toArray(Channel.of(`a`, `b`, `c`)
.map((value) => value.toUpperCase())
),
[`A`, `B`, `C`]
)
})