R.swift to Asset Symbols

Transcript

1. 4XJGUѪ޷ձWPM,PUMJOѪ޷ձWPM!,*
   3TXJGU͔Β"TTFU$BUBMPH΁
   ʙ4XJGU4ZOUBYΛԊ͑ͯʙ
   

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2. .FTXJGU
   let name = "(redacted)"
   
   
   let twitter = "417_72ki"
   
   
   let github = "417-72KI"
   
   
   let company = "(redacted)"
   
   
   var products = [
   
   
   "MockUserDefaults",
   
   
   "MultipartFormDataParser",
   
   
   "BuildConfig.swift",
   
   
   "SSGH",
   
   
   ]
   
   
   var contributing = [
   
   
   "Danger-Swift",
   
   
   "octokit.swift",
   
   
   "etc..."
   
   
   ]
   

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3. 3TXJGU࢖ͬͯ·͔͢ʁ
   

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4. 3TXJGUͱ͸
   w YDPEFQSPKͷதΛղੳͯ͠ը૾΍YJCɺTUPSZCPBSEͳͲΛίʔυิ׬Ͱ͖ΔΑ
   ͏ʹͯ͘͠ΕΔπʔϧ
   w 4XJGUొ৔ॳظ͔Β͋ΔރΕͨπʔϧ͔ͱࢥ͍͖΍#VJME5PPM1MVHJOʹରԠ
   ͍ͯͨ͠ΓࠓͰ΋੝Μʹߋ৽͞Ε͍ͯΔ
   w IUUQTHJUIVCDPNNBDDBJO3TXJGU
   

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5. ՝୊
   9DPEFͰϏϧυʹࣦഊ͢Δ৔߹͕͋Δ
   

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6. ݪҼ
   A*NBHF3FTPVSDFA͕಺෦Ͱੜ੒͞Ε͍ͯΔ
   

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7. ݪҼ
   A*NBHF3FTPVSDFA͕಺෦Ͱੜ੒͞Ε͍ͯΔ
   

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8. (FOFSBUFE"TTFU4ZNCPMTTXJGU
   🤔
   

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9. 9DPEFͷ"TTFU4ZNCPMT
   ग़యIUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOYDPEFSFMFBTFOPUFTYDPEFSFMFBTFOPUFT
   

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10. 9DPEFͷ"TTFU4ZNCPMT
    ஫ҙ఺
    w Ϧιʔε໊͸શͯDBNFM$BTFʹม׵͞ΕΔ
    w ม׵͞Εͨ݁Ռඃͬͨ৔߹ແࢹ͞ΕΔϦιʔε͕ൃੜ͢Δ
    

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11. ஫ҙ఺
    w Ϧιʔε໊͸શͯDBNFM$BTFʹม׵͞ΕΔ
    w ม׵͞Εͨ݁Ռඃͬͨ৔߹ແࢹ͞ΕΔϦιʔε͕ൃੜ͢Δ
    

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12. ରԠࡦ
    "TTFU4ZNCPMTͷࣗಈੜ੒Λແޮʹ͢Δ
    A3TXJGU3FTPVSDFTAΛ໌ࣔ͢Δ
    3ʓʓͷݺͼग़͠Λ"TTFU4ZNCPMTʹࠩ͠ସ͑Δ
    

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13. ରԠࡦ
    "TTFU4ZNCPMTͷࣗಈੜ੒Λແޮʹ͢Δ
    

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14. ରԠࡦ
    "TTFU4ZNCPMTͷࣗಈੜ੒Λແޮʹ͢Δ
    A3TXJGU3FTPVSDFTAΛ໌ࣔ͢Δ
    3ʓʓͷݺͼग़͠Λ"TTFU4ZNCPMTʹࠩ͠ସ͑Δ
    

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15. ରԠࡦ
    A3TXJGU3FTPVSDFTAΛ໌ࣔ͢Δ
    import SwiftUI
    
    
    import RswiftResources
    
    
    struct Item {
    
    
    var image: ImageResource
    
    
    }
    
    
    struct ItemView: View {
    
    
    var item: Item
    
    
    var body: some View {
    
    
    VStack {
    
    
    Image(item.image)
    
    
    }
    
    
    }
    
    
    }
    
    
    #if DEBUG
    
    
    struct ItemView_Previews: PreviewProvider {
    
    
    static var previews: some View {
    
    
    Group {
    
    
    ItemView(item: .init(image: R.image.foo)) // Cannot convert
    value of type
    
    
    }
    
    
    }
    
    
    }
    
    
    #endif
    
    
    

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16. ରԠࡦ
    A3TXJGU3FTPVSDFTAΛ໌ࣔ͢Δ
    import SwiftUI
    
    
    import RswiftResources
    
    
    struct Item {
    
    
    var image: RswiftResources.ImageResource
    
    
    }
    
    
    struct ItemView: View {
    
    
    var item: Item
    
    
    var body: some View {
    
    
    VStack {
    
    
    Image(item.image)
    
    
    }
    
    
    }
    
    
    }
    
    
    #if DEBUG
    
    
    struct ItemView_Previews: PreviewProvider {
    
    
    static var previews: some View {
    
    
    Group {
    
    
    ItemView(item: .init(image: R.image.foo)) // no
    error
    
    
    }
    
    
    }
    
    
    }
    
    
    #endif
    
    
    

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17. ରԠࡦ
    "TTFU4ZNCPMTͷࣗಈੜ੒Λແޮʹ͢Δ
    A3TXJGU3FTPVSDFTAΛ໌ࣔ͢Δ
    3ʓʓͷݺͼग़͠Λ"TTFU4ZNCPMTʹࠩ͠ସ͑Δ
    

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18. ରԠࡦ
    3ʓʓͷݺͼग़͠Λ"TTFU4ZNCPMTʹࠩ͠ସ͑Δ
    import SwiftUI
    
    
    import RswiftResources
    
    
    struct Item {
    
    
    var image: ImageResource
    
    
    }
    
    
    struct ItemView: View {
    
    
    var item: Item
    
    
    var body: some View {
    
    
    VStack {
    
    
    Image(item.image)
    
    
    }
    
    
    }
    
    
    }
    
    
    #if DEBUG
    
    
    struct ItemView_Previews: PreviewProvider {
    
    
    static var previews: some View {
    
    
    Group {
    
    
    ItemView(item: .init(image: R.image.foo)) // Cannot convert
    value of type
    
    
    }
    
    
    }
    
    
    }
    
    
    #endif
    
    
    

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19. ରԠࡦ
    3ʓʓͷݺͼग़͠Λ"TTFU4ZNCPMTʹࠩ͠ସ͑Δ
    import SwiftUI
    
    
    import RswiftResources
    
    
    struct Item {
    
    
    var image: ImageResource
    
    
    }
    
    
    struct ItemView: View {
    
    
    var item: Item
    
    
    var body: some View {
    
    
    VStack {
    
    
    Image(item.image)
    
    
    }
    
    
    }
    
    
    }
    
    
    #if DEBUG
    
    
    struct ItemView_Previews: PreviewProvider {
    
    
    static var previews: some View {
    
    
    Group {
    
    
    ItemView(item: .init(image: .foo)) // no error
    
    
    }
    
    
    }
    
    
    }
    
    
    #endif
    
    
    

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20. ରԠࡦ
    3ʓʓͷݺͼग़͠Λ"TTFU4ZNCPMTʹࠩ͠ସ͑Δ
    import SwiftUI
    
    
    struct Item {
    
    
    var image: ImageResource
    
    
    }
    
    
    struct ItemView: View {
    
    
    var item: Item
    
    
    var body: some View {
    
    
    VStack {
    
    
    Image(item.image)
    
    
    }
    
    
    }
    
    
    }
    
    
    #if DEBUG
    
    
    struct ItemView_Previews: PreviewProvider {
    
    
    static var previews: some View {
    
    
    Group {
    
    
    ItemView(item: .init(image: .foo)) // no error
    
    
    }
    
    
    }
    
    
    }
    
    
    #endif
    
    
    

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21. ؆୯΍ΜɺΤϥʔҎ֎΋ม͑ͨΖ
    ʌ AЧ
    ů
    

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22. ΜͳΘ͚͋Δ͔͍
    bшb㱬ኯˑ
    
    Ч
    ůŰƅŖƃ
    

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23. 3TXJGUͰݺͼग़ͤΔόϦΤʔγϣϯ
    // Image(UIKit)
    
    
    R.image.foo()
    
    
    UIImage(resource: R.image.foo)
    
    
    // Image(SwiftUI)
    
    
    Image(R.image.foo)
    
    
    Image(uiImage: R.image.foo()!)
    
    
    Image(uiImage: UIImage(resource: R.image.foo)!)
    
    
    // Color(UIKit)
    
    
    R.color.primary()
    
    
    UIColor(resource: R.color.primary)
    
    
    //Color(SwiftUI)
    
    
    Color(R.color.primary)
    
    
    Color(uiColor: R.color.primary()!)
    
    
    Color(uiColor: UIColor(resource: R.color.primary)!)
    

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24. ͜ΕΛݸݸݟͯॻ͖׵͑Δͱ͔
    ʌůɾ㱼ɾA
    ŷžŷž
    ਖ਼نදݱͰؤுͬͯ΋͍͍͚Ͳ
    

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25. ͦ͜Ͱ
    

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26. 4XJGU4ZOUBY
    

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27. 4XJGU4ZOUBY
    w 4XJGUίʔυͷߏจղੳɺݕࠪɺੜ੒ɺม׵͕Ͱ͖Δ"QQMF੡ͷϥΠϒϥϦ
    w IUUQTHJUIVCDPNBQQMFTXJGUTZOUBY
    w ؛઒͞Μͷ͋Γ͕͍͓ͨ࿩
    w IUUQTTQFBLFSEFDLDPNLJTIJLBXBLBUTVNJNBTUFSJOHTXJGUTZOUBY
    

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28. 4XJGU4ZOUBYͰ΍Γ͍ͨ͜ͱ
    w 3JNBHFGPP
    ΍6**NBHF SFTPVSDF3JNBHFGPP
    Λ
    6**NBHF SFTPVSDFGPP
    ʹม׵͢Δ
    w *NBHF 3JNBHFGPP
    ౳Λ*NBHF GPP
    ʹม׵͢Δ
    w 3DPMPSGPP
    ΍6*$PMPS SFTPVSDF3DPMPSGPP
    Λ
    6*$PMPS SFTPVSDFGPP
    ʹม׵͢Δ
    w $PMPS 3DPMPSGPP
    ౳Λ$PMPS GPP
    ʹม׵͢Δ
    

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29. ΍Δ͜ͱ
    w ύλʔϯຖʹରԠͨ͠ม׵ॲཧΛ࣮૷͢Δ
    w 3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    w 3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    w 6**NBHF SFTPVSDF3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    w 6**NBHF SFTPVSDF3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    w *NBHF 3JNBHFGPP
    *NBHF GPP
    
    w *NBHF VJ*NBHF3JNBHFGPP
    
    *NBHF GPP
    
    w *NBHF VJ*NBHF6**NBHF SFTPVSDF3JNBHFGPP
    
    *NBHF GPP
    
    

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30. ΍Δ͜ͱ
    w ύλʔϯຖʹରԠͨ͠ม׵ॲཧ3FXSJUFSΛ࣮૷ͯ͠࠶ؼతʹݺͼग़͢
    w 3JNBHFGPP
    3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    w 6**NBHF SFTPVSDF3JNBHFGPP
    6**NBHF SFTPVSDF3JNBHFGPP
    
    6**NBHF SFTPVSDFGPP
    
    w *NBHF 3JNBHFGPP
    *NBHF GPP
    
    w *NBHF VJ*NBHF3JNBHFGPP
    
    *NBHF VJ*NBHF6**NBHF SFTPVSDF
    3JNBHFGPP
    
    *NBHF GPP
    
    

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31. 3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    final class RswiftResourceRewriter: SyntaxRewriter {
    
    
    private let rewritableAssets = [
    
    
    "image": "UIImage",
    
    
    "color": "UIColor"
    
    
    ]
    
    
    override func visit(_ node: FunctionCallExprSyntax) -> ExprSyntax {
    
    
    if let base = node.calledExpression.as(MemberAccessExprSyntax.self),
    
    
    let expr = visit(base).as(MemberAccessExprSyntax.self),
    
    
    base != expr,
    
    
    let assetType = base.base?.as(MemberAccessExprSyntax.self)?.declName.baseName.text,
    
    
    let convertedType = rewritableAssets[assetType] {
    
    
    // return `UIImage(resource: .expr)` or `UIColor(resource: .expr)` syntax
    
    
    }
    
    
    }
    
    
    

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32. 3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    3JNBHFGPPGPP
    override func visit(_ node: MemberAccessExprSyntax) -> ExprSyntax {
    
    
    if let base = node.base?.as(MemberAccessExprSyntax.self),
    
    
    base.base?.as(DeclReferenceExprSyntax.self)?.baseName.text == "R" {
    
    
    let resourceName = node.declName.baseName.text
    
    
    if rewritableAssets.keys.contains(base.declName.baseName.text) {
    
    
    return ExprSyntax(
    
    
    MemberAccessExprSyntax(
    
    
    leadingTrivia: node.leadingTrivia,
    
    
    period: .periodToken(),
    
    
    name: .identifier(resourceName.camelized),
    
    
    trailingTrivia: node.trailingTrivia
    
    
    )
    
    
    )
    
    
    }
    
    
    }
    
    
    return super.visit(node)
    
    
    }
    

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33. 3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    3JNBHFGPP
    3JNBHFGPP
    
    override func visit(_ token: ForceUnwrapExprSyntax) -> ExprSyntax {
    
    
    if let expr = token.expression.as(FunctionCallExprSyntax.self),
    
    
    let converted = visit(expr).as(FunctionCallExprSyntax.self),
    
    
    expr != converted {
    
    
    return ExprSyntax(converted)
    
    
    }
    
    
    return super.visit(token)
    
    
    }
    

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34. 6**NBHFΛ௚઀ม׵
    final class UIImageRewriter: SyntaxRewriter {
    
    
    private let typeName = "UIImage"
    
    
    override func visit(_ node: FunctionCallExprSyntax) -> ExprSyntax {
    
    
    if case typeName = node.calledExpression.as(DeclReferenceExprSyntax.self)?.baseName.text,
    
    
    let argument = node.arguments.first,
    
    
    argument.label?.text == "resource" {
    
    
    let newArgument = rswiftResourceRewriter.visit(argument)
    
    
    return ExprSyntax(node.with(\.arguments, [newArgument]))
    
    
    }
    
    
    if let member = node.calledExpression.as(MemberAccessExprSyntax.self),
    
    
    case "init" = member.declName.baseName.text,
    
    
    let argument = node.arguments.first,
    
    
    argument.label?.text == "resource" {
    
    
    let newArgument = rswiftResourceRewriter.visit(argument)
    
    
    return ExprSyntax(node.with(\.arguments, [newArgument]))
    
    
    }
    
    
    return super.visit(node)
    
    
    }
    

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35. 6**NBHFΛ௚઀ม׵
    6**NBHF SFTPVSDF3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    final class UIImageRewriter: SyntaxRewriter {
    
    
    private let typeName = "UIImage"
    
    
    override func visit(_ node: FunctionCallExprSyntax) -> ExprSyntax {
    
    
    if case typeName = node.calledExpression.as(DeclReferenceExprSyntax.self)?.baseName.text,
    
    
    let argument = node.arguments.first,
    
    
    argument.label?.text == "resource" {
    
    
    let newArgument = rswiftResourceRewriter.visit(argument)
    
    
    return ExprSyntax(node.with(\.arguments, [newArgument]))
    
    
    }
    
    
    if let member = node.calledExpression.as(MemberAccessExprSyntax.self),
    
    
    case "init" = member.declName.baseName.text,
    
    
    let argument = node.arguments.first,
    
    
    argument.label?.text == "resource" {
    
    
    let newArgument = rswiftResourceRewriter.visit(argument)
    
    
    return ExprSyntax(node.with(\.arguments, [newArgument]))
    
    
    }
    
    
    return super.visit(node)
    
    
    }
    

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36. 6**NBHFΛ௚઀ม׵
    JOJU SFTPVSDF3JNBHFGPP
    6**NBHF SFTPVSDFGPP
    
    final class UIImageRewriter: SyntaxRewriter {
    
    
    private let typeName = "UIImage"
    
    
    override func visit(_ node: FunctionCallExprSyntax) -> ExprSyntax {
    
    
    if case typeName = node.calledExpression.as(DeclReferenceExprSyntax.self)?.baseName.text,
    
    
    let argument = node.arguments.first,
    
    
    argument.label?.text == "resource" {
    
    
    let newArgument = rswiftResourceRewriter.visit(argument)
    
    
    return ExprSyntax(node.with(\.arguments, [newArgument]))
    
    
    }
    
    
    if let member = node.calledExpression.as(MemberAccessExprSyntax.self),
    
    
    case "init" = member.declName.baseName.text,
    
    
    let argument = node.arguments.first,
    
    
    argument.label?.text == "resource" {
    
    
    let newArgument = rswiftResourceRewriter.visit(argument)
    
    
    return ExprSyntax(node.with(\.arguments, [newArgument]))
    
    
    }
    
    
    return super.visit(node)
    
    
    }
    

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37. 3"$$POWFSUFS
    w 3TXJGUUP"TTFU$BUBMPH
    w IUUQTHJUIVCDPN,*3"$$POWFSUFS
    

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38. %FNP
    

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39. ·ͱΊ
    w 3TXJGUͷ"1*ͱ9DPEFͷ"TTFU4ZNCPMT͕$PO
    fl
    JDU͢Δ
    w 4XJGU4ZOUBYΛ࢖ͬͯ3JNBHF̋̋Λ"TTFU4ZNCPMTʹม׵Ͱ͖Δ
    w ׬શ୤3TXJGUʹ͸·ͩ՝୊͕͋Δ
    w "TTFU4ZNCPMT͕9*#4UPSZCPBSE΍%BUB"TTFUT౳ʹରԠ͍ͯ͠ͳ͍
    

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40. ελʔ͍ͩ͘͞
    ҙ༁ɿUIY
    
    

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