コードの平準化を目指して / To the world of Heijunka

Transcript

1. ίʔυͷฏ४ԽΛ໨ࢦͯ͠ for ୈճ
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2. } var employedBy = "YUMEMI Inc." var job = "iOS Tech Lead" var favoriteLanguage = "Swift" var twitter = "@lovee" var qiita = "lovee" var github = "el-hoshino" var additionalInfo = """ ࡓ͑Χϊөը࠷ߴʹྑ͔ͬͨ """ final class Me: Developable, Talkable {
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   ͷ࢓ࣄ w ϓϩδΣΫτԣஅͷ
   13
   ϨϏϡʔ
   w νʔϜԣஅͷٕज़ࢧԉ΍
   $*$%
   ͷಋೖࢧԉ
   w ։ൃඪ४Խʗฏ४Խͷ໛ࡧ
5. ։ൃඪ४Խʗฏ४Խ
   ˣ
   ଐਓԽΛ๷͙
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7. ༗څऔΓ์୊੍౓ w ͍ͭͰ΋ɺ͍ͭ·Ͱ΋ɺ༗څ͕औΕΔ
   w ࣗ෼ͷইප
   w Ո଒ͷհޢҭࣇ
   w ϦϑϨογϡ
   w FUD
   w ͍ͭͰ΋ɺ୭Ͱ΋ɺٸʹٳΉՄೳੑ͕͋Δ
   w ಛఆͷਓ͕͍ͳ͍ͱ࢓ࣄ͕ճΒͳ͔ͬͨΒΞ΢τ
   w ඞͣ୭͔୅ΘΓʹͳΔਓ͕͍ͳͯ͘͸ͳΒͳ͍
8. ։ൃඪ४Խʗฏ४Խ
9. w ඪ४Խ
   w ։ൃ؀ڥ΍ϚχϡΞϧΛڞ௨Խ͢Δ
   w ಉ͡ϥΠϒϥϦʔΛར༻͢Δ
   w ಉ͡ϑΝΠϧΛྲྀ༻͢Δ
   w ಉ͡ઃܭΛద༻͢Δ
   w ΫϥΠΞϯτͷ౎߹͕͋Γɺݶք͕͋Δ w ฏ४Խ
   w ΤϯδχΞಉ࢜ͷ͹Β͖ͭΛ཈੍͢Δ
   w ୭Ͱ΋͙͢ʹಡΊΔίʔυΛॻ͘
   w ୭Ͱ΋͙͢ʹอकͰ͖ΔίʔυΛॻ͘
   w ୭Ͱ΋͙͢ʹ௥Ճ࣮૷Ͱ͖ΔίʔυΛॻ͘
   w ΫϥΠΞϯτͷ౎߹ʹΑΒͣɺશͯͷϓϩδΣΫτʹ࢖͑Δ ɿ੡଄ۀʹ͓͚Δʮฏ४Խʯͷҙຯͱ͸ͪΐͬͱҧ͏͕ɺʮ͹Β͖ͭΛ཈੍ʯͱ͍͏ҙຯͰ͸ಉ͡ΞϓϩʔνͰ͋Δ
10. ฏ४Խ w ୭Ͱ΋͙͢ʹಡΊΔίʔυΛॻ͘
    w ୭Ͱ΋͙͢ʹอकͰ͖ΔίʔυΛॻ͘
    w ୭Ͱ΋͙͢ʹ௥Ճ࣮૷Ͱ͖ΔίʔυΛॻ͘
11. ୭Ͱ΋͙͢ʹಡΊΔίʔυΛॻ͘ • Ϧʔμϒϧίʔυʂ • ໊લͱ࣮૷ΛҰகͤ͞Δ • ᐆດͳදݱΛආ͚Δ • ڊେͳ࣮૷Λ෼ׂ͢Δ • etc...
12. let searchEngineURL = "https://www.google.com" 63-ͱݴͬͯ·͕͢ த਎͸4USJOH ໊લͱ࣮૷ΛҰகͤ͞Δ
13. let searchEngineURLString = "https://www.google.com" ໊લΛ
    63-4USJOH
    ʹ௚͢ ໊લͱ࣮૷ΛҰகͤ͞Δ
14. extension String { func isZeroPrefix() -> Bool { return !hasPrefix("0") } } ;FSPͰ࢝·ΔͬͯݴͬͯΔ͕ ઌ಄ͷจࣈ͸
    
    Ͱͳ͍ͱฦͯ͠Δ ໊લͱ࣮૷ΛҰகͤ͞Δ
15. extension String { func isNotBeginningWith0() -> Bool { return !hasPrefix("0") } } ໊લΛ
    
    Ͱ࢝·͍ͬͯͳ͍ʹ௚͢ ໊લͱ࣮૷ΛҰகͤ͞Δ
16. func isForceUpdateVersion() -> Bool ࣗ෼ͷόʔδϣϯ͕ڧ੍Ξοϓσʔτର৅ͳͷʁ
    ࠓ഑৴தͷόʔδϣϯ͕ڧ੍Ξοϓσʔτόʔδϣϯͳͷʁ ᐆດͳදݱΛආ͚Δ
17. func isForceUpdateRequired() -> Bool ͱʹ͔͘ڧ੍όʔδϣϯΞοϓ͕ඞཁͩͱࣔ͢ ᐆດͳදݱΛආ͚Δ
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20. 5*14 w %BOHFSʷ4XJGU-JOU
    ͰϑΥʔϚοτͷ੔͑ͨ
    ಡΈ΍͍͢ίʔυΛ
    w ໋໊͸ίʔυ͕ԿΛ΍ͬͯΔ͔Ͱ͸ͳ͘ɺ
    ͋ͳ͕ͨԿΛ͍͔ͨ͠
    w ໊͍͍લ͕ࢥ͍͔ͭͳ͔ͬͨͱ͖
    w (PPHMF
    ຋༁
    w 8FCMJP
    ࿨ӳࣙయ
    w (JU)VC
    ୯ޠݕࡧ
    w DPEJDKQ
21. ୭Ͱ΋͙͢ʹอकͰ͖ΔίʔυΛॻ͘ • ςετʂʂʂ • ৽نͷίʔυ͸ͱΓ͋͑ͣςετΛॻ͘ • ςετ͕ॻ͚ΔΑ͏ʹ෭࡞༻౳Λࣗવʹ஫ҙͰ͖Δ • طଘͷίʔυʹςετΛ௥Ճ͍ͯ͘͠ • ςετॻ͚Δ΋ͷ͔ΒͰ͍͍ͷͰͱΓ͋͑ͣॻ͘ • ಺༰͕׬ᘳʹͰ͖ͳͯ͘΋ͱΓ͋͑ͣॻ͚Δ΋ͷΛॻ͘ • ςετίʔυॻ͍ͯΔ͚ͩͰؾ෇͚Δόά΋͋Δ
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26. IUUQTQFBLTDDJ04@UFTUJOH
27. ୭Ͱ΋͙͢ʹ௥Ճ࣮૷Ͱ͖ΔίʔυΛॻ͘ • ֤छݪଇΛकΔʂʂʂ • SOLID • CQS • DRY • KISS • PIE • etc...
28. 4JOHMF
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    Ϋϥεʹมߋ͕ى͜Δཧ༝͸ɺҰ͚ͭͩͰͳ͚Ε͹ͳΒͳ͍ class ViewController: UIViewController { let tableView: UITableView var viewModel: ViewModel! @IBAction func fetch(sender: UIButton) { viewModel.fetchData() } } class ViewModel { unowned let viewController: ViewController func fetchData() { // Fetch Data viewController.tableView.reloadData() } } 7JFX.PEFM
    ͷมߋཧ༝ʢ੹຿ʣ͸ɺ
    ࣗ਎ͷσʔλఏڙ͚ͩͰͳ͘ɺ
    ը໘ͷඳը·Ͱؚ·Εͯ͠·͏
29. 4JOHMF
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    Ϋϥεʹมߋ͕ى͜Δཧ༝͸ɺҰ͚ͭͩͰͳ͚Ε͹ͳΒͳ͍ class ViewController: UIViewController { let tableView: UITableView var viewModel: ViewModel! override func viewDidLoad() { // ... NotificationCenter.default.addObserver(/* */) } @IBAction func fetch(sender: UIButton) { viewModel.fetchData() } @objc func onDidFetchData(sender: Notification) { tableView.reloadData() } } class ViewModel { func fetchData() { // Fetch Data NotificationCenter.default.post(/* */) } } σʔλऔಘऴྃͷ
    ௨஌͚ͩग़͢ σʔλऔಘޙͷඳը͸
    7$
    ͷ੹຿ʹด͡Δ
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    ্ҐϞδϡʔϧ͸ԼҐϞδϡʔϧʹґଘͯ͠͸ͳΒͳ͍ɺ྆ํந৅ʹґଘ͢΂͖ class ViewController: UIViewController { var viewModel: ViewModel! @IBAction func fetch(sender: UIButton) { viewModel.fetchData() } } class ViewModel { func fetchData() { // Fetch Data } } ্Ґͷ
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    ͸ɺ
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    ͷ࣮૷ʹ
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    ্ҐϞδϡʔϧ͸ԼҐϞδϡʔϧʹґଘͯ͠͸ͳΒͳ͍ɺ྆ํந৅ʹґଘ͢΂͖ // ViewController protocol DataViewModelProtocol: AnyObject { func fetchData() } class ViewController: UIViewController { var dataViewModel: DataViewModelProtocol! @IBAction func fetch(sender: UIButton) { dataViewModel.fetchData() } } // ViewModel class ViewModel { } extension ViewModel: DataViewModelProtocol { func fetchData() { // Fetch Data } } 7$Ͱ͸ඞཁͱ͢Δ
    7.ͷػೳ͚ͩநग़ͨ͠
    ந৅Խʹґଘ 7.Ͱ͸ந৅Խͨ͠
    ϓϩτίϧΛద߹͢Δ͚ͩ
32. $PNNBOE
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    ϝιου͸ɺΞΫγϣϯΛ࣮ߦ͢Δ͔ɺσʔλΛฦ͔͢ͷ͍ͣΕ͔ยํͰ͋Δ΂͖ class DataStore { var data: [Int] = [] func getLatestData() -> [Int] { // αʔό͔Β࠷৽σʔλΛऔಘ data = latestData return data } } HFU-BUFTU%BUB
    ͸໭Γ஋Λฦ͢
    ΫΤϦͰ͋Γͳ͕Β ࠷৽σʔλΛऔಘͯ͠
    ஋Ληοτ͢ΔίϚϯυͰ΋͋Δ
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    ϝιου͸ɺΞΫγϣϯΛ࣮ߦ͢Δ͔ɺσʔλΛฦ͔͢ͷ͍ͣΕ͔ยํͰ͋Δ΂͖ class DataStore { var data: [Int] = [] func fetchLatestData() { // αʔό͔Β࠷৽σʔλΛऔಘ data = latestData } func getLatestData() -> [Int] { return data } } ࠷৽ͷσʔλΛऔಘͯ͠
    ஋Ληοτ͢Δ͚ͩͷίϚϯυ ݱࡏͷσʔλͷ஋Λฦ͚ͩ͢ͷΫΤϦ
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35. %POU
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    :PVSTFMG
    ஌ࣝ͸γεςϜʹ͓͍ͯ୯ҰͰɺᐆດ͕͞ͳ͘ɺ৴པͰ͖ΔදݱͰͳͯ͘͸ͳΒͳ͍ class ViewController: UIViewController { override func viewDidLoad() { // ... titleLabel.font = UIFont.systemFont(ofSize: UIFont.labelFontSize) titleLabel.textColor = UIColor.label authorLabel.font = UIFont.systemFont(ofSize: UIFont.labelFontSize) authorLabel.textColor = UIColor.label } @IBAction func resetLabelTextVisual() { titleLabel.font = UIFont.systemFont(ofSize: UIFont.labelFontSize) titleLabel.textColor = UIColor.label authorLabel.font = UIFont.systemFont(ofSize: UIFont.labelFontSize) authorLabel.textColor = UIColor.label } } ಉ͡ϥϕϧͷςΩετඳըઃఆ͕
    
    Օॴʹ෼͔Ε͍ͯΔ
36. %POU
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    ஌ࣝ͸γεςϜʹ͓͍ͯ୯ҰͰɺᐆດ͕͞ͳ͘ɺ৴པͰ͖ΔදݱͰͳͯ͘͸ͳΒͳ͍ class ViewController: UIViewController { override func viewDidLoad() { // ... resetLabelTextVisual(sender: self) } @IBAction func resetLabelTextVisual(sender: Any) { titleLabel.font = UIFont.systemFont(ofSize: UIFont.labelFontSize) titleLabel.textColor = UIColor.label authorLabel.font = UIFont.systemFont(ofSize: UIFont.labelFontSize) authorLabel.textColor = UIColor.label } } ϥϕϧͷςΩετඳըઃఆΛ
    ௚઀ݺͼग़ͯ͠ॏෳΛආ͚Δ
37. %POU
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    ஌ࣝ͸γεςϜʹ͓͍ͯ୯ҰͰɺᐆດ͕͞ͳ͘ɺ৴པͰ͖ΔදݱͰͳͯ͘͸ͳΒͳ͍ class ViewController: UIViewController { override func viewDidLoad() { // ... resetLabelTextVisual(sender: self) } func setTitleLabelTextVisual(on label: UILabel) { label.font = UIFont.systemFont(ofSize: UIFont.labelFontSize) label.textColor = UIColor.label } @IBAction func resetLabelTextVisual(sender: Any) { setTitleLabelTextVisual(on: titleLabel) setTitleLabelTextVisual(on: authorLabel) } } ιʔείʔυͷ಺༰͸ಉ͕ͩ͡ɺ
    ஌ࣝ͸ҧ͏
38. %POU
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    ஌ࣝ͸γεςϜʹ͓͍ͯ୯ҰͰɺᐆດ͕͞ͳ͘ɺ৴པͰ͖ΔදݱͰͳͯ͘͸ͳΒͳ͍ class ViewController: UIViewController { enum LabelType { case title case author var font: UIFont { /* */ } var textColor: UIColor { /* */ } } func setLabelTextVisual(on label: UILabel, as type: LabelType) { label.font = type.font label.textColor = type.textColor } @IBAction func resetLabelTextVisual(sender: Any) { setLabelTextVisual(on: titleLabel, as: .title) setLabelTextVisual(on: authorLabel, as: .author) } } ஌ࣝʹԠͨ͡੾Γସ͑Λఆٛ ॏෳίʔυΛ࡟ݮ
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