[Node.js]Promiseã§å†å¸°å‡¦ç†ã‚’使ã£ã¦whileã£ã½ã„ループ処ç†ã‚’行ㆠ- QiitaPromiseを使ã£ãŸãƒ«ãƒ¼ãƒ—処ç†ã®ã‚µãƒ³ãƒ—ルã¯ã„ãã¤ã‹ã‚ã‚‹ã‘ã©ã€ Promiseã®çµæžœã‚’使ã£ã¦whileã£ã½ã処ç†ã™ã‚‹ã‚„ã‚Šæ–¹ãŒã‚ã¾ã‚Šãªã‹ã£ãŸã®ã§ãƒ¡ãƒ¢ã€‚ 変ãªã¨ã“ã‚ã‚„ã‚‚ã£ã¨ã„ã„ã‚„ã‚Šæ–¹ãŒã‚ã‚Œã°ã‚³ãƒ¡ãƒ³ãƒˆãã ã•ã„ function loopUnit() { return new Promise(resolve => { /* ループ処ç†æœ¬ä½“ */ resolve(result) }) } function looper() { return new Promise(resolve => { // 永久ループã«ãªã‚‰ãªã„よã†ã«é™ç•Œæ¡ä»¶ã‚’入れる (optional) if ( /* é™ç•Œæ¡ä»¶ */) { resolve() return } // ãƒ«ãƒ¼ãƒ—å‡¦ç† loopUnit().then(result => { if ( /* whileæ¡ä»¶ */ ) { looper().then(() => res
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