Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Apollo_Code_Generation [jp]
Search
YuyaHorita
October 09, 2019
Programming
0
2.4k
Apollo_Code_Generation [jp]
YuyaHorita
October 09, 2019
Tweet
Share
More Decks by YuyaHorita
See All by YuyaHorita
mahjong-kun.pdf
horitayuya
0
94
Apollo_Code_Generation [en]
horitayuya
0
250
Difference Algorithm
horitayuya
11
5.8k
iOS11でのHEVC動画のHLS配信
horitayuya
2
1.7k
Other Decks in Programming
See All in Programming
React 使いじゃなくても知っておきたい教養としての React
oukayuka
18
5.3k
PHPカンファレンス関西2025 基調講演
sugimotokei
6
1.1k
Gemini CLIの"強み"を知る! Gemini CLIとClaude Codeを比較してみた!
kotahisafuru
3
920
Vibe Codingの幻想を超えて-生成AIを現場で使えるようにするまでの泥臭い話.ai
fumiyakume
21
10k
DMMを支える決済基盤の技術的負債にどう立ち向かうか / Addressing Technical Debt in Payment Infrastructure
yoshiyoshifujii
5
760
Claude Code で Astro blog を Pages から Workers へ移行してみた
codehex
0
170
대규모 트래픽을 처리하는 프론트 개발자의 전략
maryang
0
110
Go製CLIツールをnpmで配布するには
syumai
2
1.1k
What's new in Adaptive Android development
fornewid
0
130
DynamoDBは怖くない!〜テーブル設計の勘所とテスト戦略〜
hyamazaki
0
180
なぜ今、Terraformの本を書いたのか? - 著者陣に聞く!『Terraformではじめる実践IaC』登壇資料
fufuhu
4
400
QA x AIエコシステム段階構築作戦
osu
0
240
Featured
See All Featured
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.8k
Navigating Team Friction
lara
188
15k
Being A Developer After 40
akosma
90
590k
For a Future-Friendly Web
brad_frost
179
9.9k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.6k
The World Runs on Bad Software
bkeepers
PRO
70
11k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
182
54k
Speed Design
sergeychernyshev
32
1.1k
BBQ
matthewcrist
89
9.8k
Git: the NoSQL Database
bkeepers
PRO
431
65k
KATA
mclloyd
31
14k
Visualization
eitanlees
146
16k
Transcript
Apollo Code Generation
Introduction ງా ༗࠸ iOS Engineer @CyberAgent, 2017/4 ~ 2019/5 Software
Engineer @M3, 2019/5 ~ GitHub: https://github.com/horita-yuya Twitter: https://twitter.com/horita_yuya Medium: https://medium.com/@yuyaHorita
None
schema.json *.graphql ʴ
schema.json αʔόʔͰఆٛ͞ΕͨQueryใΛؚΉϑΝΠϧ > Conventionally this file is called schema.json Reference:
https://www.apollographql.com/docs/ios/downloading-schema/
*.graphql ΫΤϦఆٛϑΝΠϧ
schema.json *.graphql ʴ
schema.json *.graphql Token AST IR →
Lexer .graphql to Tokens
User.graphql
User.graphql Tokens query User ( $ id email @ include
… AddressFragment Debug : response ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~
query User ( $ @ … AddressFragment NAME Kind Value
undefined undefined undefined undefined COMMENT Debug Parse࣌ʹແࢹ͞ΕΔ name : undefined
`#` ͦΕ͕ࣗToken Kindʹͳ͍ͬͯͳ͍ɻ -> `/* */`ͳͲͰɺෳߦίϝϯτͷ༧ײ?
https://github.com/graphql/graphql-js/blob/master/src/language/lexer.js#L187 https://github.com/graphql/graphql-spec/issues/276 Lexerͷ࣮తʹɺݱ࣌Ͱ `#` ͰͷΈίϝϯτՄೳͷ༷
Parser Tokens to AST
query User AddressFragment NAME NAME NAME Operationએݴ name NAME Tokens
ҙຯ Operation໊ field໊ Fragment໊
( $ @ … Argumentએݴͷ։࢝ͳͲ ҙຯ Variable Directive Fragment/Inline Fragment
Spread Tokens : Argument, AliasͳͲ
NAME Token: จ຺ͱvalueʹΑͬͯҙຯ͕มΘΔ Punctuator Token: ݻఆͷҙຯ or จ຺ʹΑͬͯҙຯ͕มΘΔ ( $
: @
None
Document Hoge parseॲཧ function parseHoge ͷ໊લͰgraphql/language/parser.jsʹఆٛ = OperationDefinition OperationType Name
VariableDefinitions VariableDefinition SelectionSet VariableDefinition ࠶ؼԼ߱ߏจղੳ
Operationએݴ `query`͕͋ΓɺOperation໊ `User`ͷޙɺ `(` ͕͋ΕɺҾ(ม)ͷఆ͕ٛ࢝·Γɺ `)` ͕དྷͨΒऴྃɻ ࣍ͷ `{` ͔ΒSelectionSetͷఆ͕ٛ࢝·Γɺɺɺ
Tokens Rules +
VariableDefinitions Document OperationDefinition FragmentDefinition AST OperationType VariableDefinition VariableDefinition
IR Generator AST to IR
None
None
None
VariableDefinition Type Variable Name value: string Name value: string
Type Variable Name value: id Name value: Int! VariableDefinitions VariableDefinition
VariableDefinition Type Variable Name value: withEmail Name value: Boolean!
VariableDefinitions VariableDefinition VariableDefinition + schema.json GraphQLType GraphQLType Type Variable Name
value: id Name value: Int! Type Variable Name value: withEmail Name value: Boolean!
IR
IR CompilerContext LegacyCompilerContext
Summary 1. *.graphql͔ΒASTΛੜ 2. schema.jsonͱরΒ͠߹Θͤͳ͕ΒɺAST͔ΒIRΛੜ 3. IR͔Βɺ.swift, .ts, .scalaΛੜ (
scalaLegacyͷํΛ͍ͬͯΔ ) 4. .ktapollo-toolingΛΘͣɺapollo-androidͰผ࣮?
Appendix
Lexer Lexer: https://github.com/graphql/graphql-js/blob/master/src/language/lexer.js Token Kind: https://github.com/graphql/graphql-js/blob/master/src/language/tokenKind.js
Parser Parser: https://github.com/graphql/graphql-js/blob/master/src/language/parser.js AST: https://github.com/graphql/graphql-js/blob/master/src/language/ast.js AST Kind: https://github.com/graphql/graphql-js/blob/master/src/language/kinds.js
IR Compiler: https://github.com/apollographql/apollo-tooling/blob/master/packages/apollo-codegen- core/src/compiler/index.ts