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Server-Side Swift
as
a Live Example
@tnantokaɹɹɹɹɹɹɹɹɹɹɹ
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Server-Side Swift?
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Yes!
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Why?
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"Because it's there."
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No...
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Why?
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"No reason."
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We Can Use
→ Rails
→ Go
→ Node
→ Scala
...
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Why?
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ns*.com
→ nsdateformatter.com
→ nsregularexpression.com
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Server-Side Swift
as
a Live Example
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Showcase
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nsurl.serversideswift.net
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stringfilter.herokuapp.com
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sssaale-reversi.herokuapp.com
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How to Make
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Framework ⭐
Perfect 10700+
Vapor 8800+
Kitura 5300+
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Environment
→ Xcode (auto-completion)
→ swiftdocker/docker-swift (Linux)
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#if os(Linux)
error: use of unresolved identifier
'NSRegularExpression'
error: value of type 'NSURL' has
no member 'isFileReferenceURL'
error: cannot convert value of type 'NSMutableString'
to expected argument type 'CFMutableString!'
(›°□°)›ớᵲᴸᵲ
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Hello, World!
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sssaale.herokuapp.com
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AppLogic/Droplet+Setup.swift
// GET / -> Views/welcome.leaf
drop.get { req in
return try drop.view.make("welcome", [
"title": title
])
}
// /example -> Controllers/ExampleController.swift
drop.resource("example", ExampleController())
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Models/Example.swift
final class Example: Model {
// Input -> Output
var input: String
var output: String {
return input.uppercased()
}
// JSON -> Model
init(node: Node, in context: Context) throws {
input = try node.extract("input")
}
// Model -> JSON
func makeNode(context: Context) throws -> Node {
return try Node(node: [ "output": output, ])
}
}
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Controllers/ExampleController.swift
final class ExampleController: ResourceRepresentable {
// Model -> JSON
func create(request: Request) throws -> ResponseRepresentable {
let example = try request.example()
return example
}
// POST /example -> create
func makeResource() -> Resource {
return Resource(
store: create
)
}
}
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AppLogicTests/AppLogicTests.swift
func testExample() {
let drop = try! makeTestDroplet()
let json = try! JSON(node: .object([ "input" : "hello" ]))
let req = try! Request(
method: .post,
uri: "/example",
headers: [ HeaderKey.contentType : "application/json" ],
body: json.makeBody()
)
let res = try! drop.respond(to: req)
let body = res.body.bytes!.string
XCTAssertTrue(body.contains("HELLO")) // hello -> HELLO
}
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Live Coding
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Create Project
$ vapor new MarkdownEditor --template=tnantoka/sssaale
$ cd MarkdownEditor
$ vapor xcode -y
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Package.swift
+ .Package(
+ url: "https://github.com/IBM-Swift/Kitura-Markdown.git",
+ majorVersion: 0,
+ minor: 8
+ ),
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Models/Example.swift
+ import KituraMarkdown
- return input.uppercased()
+ return KituraMarkdown.render(from: input)
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scripts/app.js
-
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AppLogicTests/AppLogicTests.swift
- try! JSON(node: .object([ "input" : "hello" ]))
+ try! JSON(node: .object([ "input" : "# hello" ]))
- XCTAssertTrue(body.contains("HELLO"))
+ XCTAssertTrue(body.contains("
hello
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Test & Run
$ docker pull swiftdocker/swift
$ docker run -it -v `pwd`:/app -w /app -p 8080:8080 swiftdocker/swift
$ swift test
$ .build/Debug/App
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localhost:8080
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Deploy
$ vapor heroku init
$ vapor heroku push
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sssaale-markdown.herokuapp.com
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try!
Server-Side
Swift