Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
colo_js_ojisan
Search
Yosuke Furukawa
PRO
September 16, 2014
Programming
1.8k
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
colo_js_ojisan
JSオジサンの発表資料 colo についての話
Yosuke Furukawa
PRO
September 16, 2014
More Decks by Yosuke Furukawa
See All by Yosuke Furukawa
Webの地図
yosuke_furukawa
PRO
6
5k
XHTMLが残したもの
yosuke_furukawa
PRO
2
890
jsmini JavaScript Engine を作ってみた話
yosuke_furukawa
PRO
0
430
デザインシステムが必須の時代に
yosuke_furukawa
PRO
2
320
Node.js, Deno, Bun 最新動向とその所感について
yosuke_furukawa
PRO
10
5.4k
Welcome JSConf.jp 2024
yosuke_furukawa
PRO
1
4.9k
tc39 x jsconf.jp Panel Discussion 2024
yosuke_furukawa
PRO
0
370
Removing Corepack
yosuke_furukawa
PRO
9
2k
JavaScript Runtime とはなにか
yosuke_furukawa
PRO
15
3.2k
Other Decks in Programming
See All in Programming
[2026-09-26]空論ジェネリックプロセス~テスト資産とAIで紡ぐ、再現可能なパフォーマンスチューニングの話~
tosite
0
250
Androidだけじゃない、DroidKaigiで広がった私の技術スタック
akkeylab
0
110
Agentic Software Factoryに、すごく賢いIF文を。 / super smart IF statement into the Agentic Software Factory.
rkaga
1
440
モデルのリファクタリングが難しいと思ったら、そもそも複雑だったのはビジネス仕様だった ? / is-the-business-domain-the-real-complexity
hatsu38
0
440
Turning Architecture into Unit Tests in the AI Era (NSSpain XIV)
steliosf
PRO
1
120
そのリトライ、死んだコネクションを使い回していませんか ── GoのHTTPクライアントとHTTP/2を実プロダクト障害から学び直す
myus4a
0
370
ゲームコントローラやキーボードのファームウェアをSwiftで書く
kishikawakatsumi
1
270
マイコン向けの軽量Ruby「PicoRuby」で各種デバイスを制御するネイティブアプリの実現手法
bash0c7
0
470
AgentCore CLI で進化した AWS での AI エージェントの作り方 : 必要な機能を必要な時に
icoxfog417
PRO
4
410
JRuby: Past, Present, and Future
headius
0
220
カツオ、ご期待ください
suneo3476
0
140
Streamlitで実現する自然言語データアプリ開発
ayumu_yamaguchi
1
330
Featured
See All Featured
Collaborative Software Design: How to facilitate domain modelling decisions
baasie
1
330
Leveraging Curiosity to Care for An Aging Population
cassininazir
1
520
ReactJS: Keep Simple. Everything can be a component!
pedronauck
666
130k
Measuring Dark Social's Impact On Conversion and Attribution
stephenakadiri
2
290
Intergalactic Javascript Robots from Outer Space
tanoku
273
27k
エンジニアに許された特別な時間の終わり
watany
109
250k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.9k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
128
56k
Bash Introduction
62gerente
615
220k
Reality Check: Gamification 10 Years Later
codingconduct
0
2.3k
Ruling the World: When Life Gets Gamed
codingconduct
0
380
Bioeconomy Workshop: Dr. Julius Ecuru, Opportunities for a Bioeconomy in West Africa
akademiya2063
PRO
1
380
Transcript
colo @yosuke_furukawa
Twitter: @yosuke_furukawa Github: yosuke-furukawa Real Name: Yosuke Furukawa
Node.jsຊϢʔβʔάϧʔϓද
console.log(“hoge”) ͯ͠·͔͢?
console.log(“hoge”) ʹ৭Λ͚Δํ๏ͬͯ·͔͢?
node.jsͰ?
Node.jsͰͷํ๏ //ίϯιʔϧ͘͢Δɿ console.log('\033[31m' + 'Hello World'+ '\033[39m'); ! //ίϯιʔϧԫ৭͘͢Δɿ console.log('\033[33m'+
'Hello World'+ '\033[39m'); ! //ίϯιʔϧ੨৭ʹ͢Δɿ console.log('\033[36m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧփ৭ʹ͢Δɿ console.log('\033[90m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧ৭ʹ͢Δɿ console.log('\033[32m ' + 'Hello World'+ ' \033[39m');
browserͰ?
browserͰͷํ๏ //ίϯιʔϧ͘͢Δɿ console.log(‘%cHello World’, ‘color : red;’); ! //ίϯιʔϧԫ৭͘͢Δɿ console.log(‘%cHello
World’, ‘color : yellow;’); ! //ίϯιʔϧ੨৭ʹ͢Δɿ console.log(‘%cHello World’, ‘color : blue;’); ! //ίϯιʔϧփ৭ʹ͢Δɿ console.log(‘%cHello World’, ‘color : grey;’); ! //ίϯιʔϧ৭ʹ͢Δɿ console.log(‘%cHello World’, ‘color : green;’);
Node.jsͰͷํ๏
͜ͷํ๏ͷ
Node.jsͰͷํ๏ //ίϯιʔϧ͘͢Δɿ console.log('\033[31m' + 'Hello World'+ '\033[39m'); ! //ίϯιʔϧԫ৭͘͢Δɿ console.log('\033[33m'+
'Hello World'+ '\033[39m'); ! //ίϯιʔϧ੨৭ʹ͢Δɿ console.log('\033[36m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧփ৭ʹ͢Δɿ console.log('\033[90m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧ৭ʹ͢Δɿ console.log('\033[32m ' + 'Hello World'+ ' \033[39m');
Node.jsͰͷํ๏ //ίϯιʔϧ͘͢Δɿ console.log('\033[31m' + 'Hello World'+ '\033[39m'); ! //ίϯιʔϧԫ৭͘͢Δɿ console.log('\033[33m'+
'Hello World'+ '\033[39m'); ! //ίϯιʔϧ੨৭ʹ͢Δɿ console.log('\033[36m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧփ৭ʹ͢Δɿ console.log('\033[90m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧ৭ʹ͢Δɿ console.log('\033[32m ' + 'Hello World'+ ' \033[39m'); ֮͑ΒΕͳ͍ɻ
Node.jsͰͷํ๏ //ίϯιʔϧ͘͢Δɿ console.log('\033[31m' + 'Hello World'+ '\033[39m'); ! //ίϯιʔϧԫ৭͘͢Δɿ console.log('\033[33m'+
'Hello World'+ '\033[39m'); ! //ίϯιʔϧ੨৭ʹ͢Δɿ console.log('\033[36m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧփ৭ʹ͢Δɿ console.log('\033[90m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧ৭ʹ͢Δɿ console.log('\033[32m ' + 'Hello World'+ ' \033[39m');
Node.jsͰͷํ๏ //ίϯιʔϧ͘͢Δɿ console.log('\033[31m' + 'Hello World'+ '\033[39m'); ! //ίϯιʔϧԫ৭͘͢Δɿ console.log('\033[33m'+
'Hello World'+ '\033[39m'); ! //ίϯιʔϧ੨৭ʹ͢Δɿ console.log('\033[36m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧփ৭ʹ͢Δɿ console.log('\033[90m' + 'Hello World' + '\033[39m'); ! //ίϯιʔϧ৭ʹ͢Δɿ console.log('\033[32m ' + 'Hello World'+ ' \033[39m'); a͕`VTFTUSJDU` ҎԼͰౖΒΕΔ
ଞͷcolorizeϞδϡʔϧ
colors Stringͷprototype ֦ுͯ͠͠·͏ɻ //ίϯιʔϧ͘͢Δɿ console.log('Hello World’.red);
colorize ಠࣗߏจΛ֮͑Δඞཁ͕͋Δ //ίϯιʔϧ͘͢Δɿ console.log(colorize.ansify(“#red[Hello World]”));
ansi-color-stream શͯStreamͷsubstackۘ //ίϯιʔϧ͘͢Δɿ a.pipe(colorize(“red”)).pipe(process.stdout);
chalk Ұ൪͍͚ͯΔ͚Ͳ ػೳ͕ଟͯ͘ɺґଘ͕ଟ͍ (browserαϙʔτͯ͠ͳ͍) //ίϯιʔϧ͘͢Δɿ console.log(chalk.red(“Hello World”));
chalk Ұ൪͍͚ͯΔ͚Ͳ ػೳ͕ଟͯ͘ɺґଘ͕ଟ͍ //ίϯιʔϧ͘͢Δɿ console.log(chalk.red(“Hello World”)); ͭ·Γɺ͋Μ·Γ ͍͚ͯΔͷ͕ͳ͍
colo
code examples
coloͰͷํ๏ //ίϯιʔϧ͘͢Δɿ console.log(colo.red(‘colo colo’)); ! //ίϯιʔϧΛcyan + boldʹ͢Δɿ console.log(colo.cyan.bold(‘colo colo’));
! //ίϯιʔϧΛgreen + underlineʹ͢Δɿ console.log(colo.green.underline(‘colo colo’)); ! //ίϯιʔϧΛmagenta + italicʹ͢Δɿ console.log(colo.magenta.italic(‘colo colo’)); ! //ίϯιʔϧΛgrey + inverseʹ͢Δɿ console.log(colo.grey.inverse(‘colo colo’));
coloͰͷํ๏ //ίϯιʔϧ͘͢Δɿ console.log(colo.red(‘colo colo’)); ! //ίϯιʔϧΛcyan + boldʹ͢Δɿ console.log(colo.cyan.bold(‘colo colo’));
! //ίϯιʔϧΛgreen + underlineʹ͢Δɿ console.log(colo.green.underline(‘colo colo’)); ! //ίϯιʔϧΛmagenta + italicʹ͢Δɿ console.log(colo.magenta.italic(‘colo colo’)); ! //ίϯιʔϧΛgrey + inverseʹ͢Δɿ console.log(colo.grey.inverse(‘colo colo’));
DSL like!
colo DSL colo.red("RED"); colo.red.bold("RED and BOLD"); colo.red.bold.underline("RED and BOLD and
UNDERLINE”);
colo DSL colo.red("RED"); colo.red.bold("RED and BOLD"); colo.red.bold.underline("RED and BOLD and
UNDERLINE”);
colo DSL colo.red("RED"); colo.red.bold("RED and BOLD"); colo.red.bold.underline("RED and BOLD and
UNDERLINE”); QSPQFSUZΞΫηεͬΆ͘ ॏͶ͕͚Ͱ͖Δɻ
Browser support! (Chrome, SafariͷΈ)
colo supports browser // DEMO colog(colo.red(“colo colo")); colog(colo.cyan.bold("colo colo")); colog(colo.green.underline("colo
colo")); colog(colo.magenta.italic.bold("colo colo")); colog(colo.grey.bold.italic.underline("colo colo")); #SPXTFSͰDPMPHΛͬͯ දࣔͰ͖Δɻ
DEMO
colo inside
colo inside Object.definePropertiesͷωετ __proto__Λͬͯಈతʹprototype chainΛ࣮ݱ ґଘϞδϡʔϧθϩͰ࣮ݱ
colo code (github) https://github.com/yosuke-furukawa/colo