私の生活を変えたHeadless Chrome / Headless Chrome who changed my life

by taminif

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ࢲͷੜ׆Λม͑ͨ  Headless Chrome ౦ژNodeֶԂࡇ2018 LT 2018/11/24 େౡ ޫو@sbntaminif

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ࣗݾ঺հ • ΢ΣϒϦΦגࣜձࣾ։ൃάϧʔϓϦʔμʔ • ؔ੢NodeֶԂओ࠵ • ීஈ͸ژ౎Ͱಇ͍͍ͯ·͢ • ࠓ೔͜Εͷ࿩Ұ੾͠·ͤΜ↘

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ಋೖ 3ϖʔδͰ΍Γ·͢

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1. ఆظߪೖΛࣗಈԽ͍ͨ͠ զ͕ՈͰ͸ ࣗಈԽΛਪਐ ೔༻඼ͷങ͍෺͸ ౎౓εʔύʔ Ͳ͏ʹ͔ࣗಈԽ ͍ͨ͠ Ͱ͖Ε͹yodobashi.comͰങ͍͍ͨʢϙΠϯτͷͨΊʣ ՝୊

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2. Amazon Dash Button ϘλϯΛԡ͚ͩ͢ͰAmazon͔Β঎඼͕ಧ͘

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ʊਓਓਓਓਓਓਓਓਓਓਓਓਓਓʊ ʼɹ3. Yodobashi Dash Buttonɹʻ ʉY^Y^Y^Y^Y^Y^Y^Y^Y^Y^Yʉ

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Ͳ͏΍͔ͬͨ

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AWS IoT 1-Click Headless Chrome puppeteer

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AWS IoT 1-Click ϘλϯΛԡ͢ͱAWSͰ࣮ߦ

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AWS IoT 1-Click • Amazon Dash Buttonϋʔυ΢ΣΞΛϕʔεͱͨ͠  ϓϩάϥϛϯάՄೳͳϘλϯ • ࢖͍ํ͸Amazon Dash Buttonͱಉ͡Ͱ  ϘλϯΛԡͨ࣌͠ͷૢ࡞͕બ΂Δ • ྨࣅσόΠε΋ॱ࣍ൃച͍ͯ͠Δ • SORACOM LTE-M Button powered by AWSͳͲ

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Headless Chrome https://developers.google.com/web/updates/2017/04/headless-chrome?hl=ja

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Headless Chrome https://developers.google.com/web/updates/2017/04/headless-chrome?hl=en

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Headless Chromeͱ͸ • ChromeΛϔουϨεͰಈ࡞͢Δ • ϔουϨε = UIͳ͠Ͱ࣮ߦ • Chrome59͕Πϯετʔϧ͞Ε͍ͯΕ͹࢖༻Մ ೳʢWindows͸61ʣ • Chromeͷػೳ͕શͯ࢖͑Δ

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ͦͯ͠ Headless ChromeΛ ૢ࡞͢ΔͨΊʹ։ൃ͞Εͨ ϥΠϒϥϦ

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puppeteer https://github.com/GoogleChrome/puppeteer

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puppeteerͱ͸ • Node.jsͰHeadless ChromeΛ  ૢ࡞͢ΔϥΠϒϥϦ • Chrome DevToolsͷ্͔Βૢ࡞͢ΔAPI • GoogleChromeνʔϜ͕࣮૷ • ʮύϖςΟΞʯͱൃԻ

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ಈ࡞ϨΠϠʔ

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ChromeΛࣗಈͰಈ͔ͯ͠ ঎඼ߪೖ·Ͱ ͨͲΓͭ͘

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࣮૷͢Δ const puppeteer = require('puppeteer'); (async () => { const browser = await puppeteer.launch({headless: true}); const page = await browser.newPage(); await page.setViewport({width: 640, height: 460}); await page.goto('https://order.yodobashi.com/yc/login/ index.html'); //////////////////////////////////////////// })(); $ISPNFΛىಈ ৽͍͠λϒΛ։͘ ΢Οϯυ΢αΠζΛܾఆ 63-Λࢦఆͯ͠ભҠ

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࣮૷͢Δ

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࣮૷͢Δ //////////////////////////////////////////// await page.type('#memberId', '********'); await page.type('#password', '********'); page.click('#js_i_login0'); await page.waitForSelector('#wrapper'); await page.goto('https://www.yodobashi.com/product/ 100000001002383900/'); //////////////////////////////////////////// ϩάΠϯ৘ใΛೖྗ ϩάΠϯϘλϯΛΫϦοΫ ભҠΛ଴ͭ 63-Λࢦఆͯ͠ભҠ

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࣮૷͢Δ

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͜Μͳײ͡Ͱ Ұͭͣͭૢ࡞ͯ͠ ໨త·Ͱୡ੒͢Δ

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࡞ͬͨ΋ͷ͕ͪ͜Β https://github.com/taminif/buyInYodobashi

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εΫϦϓτΛ࣮ߦ͢Ε͹ ঎඼͕ߪೖͰ͖ΔΑ͏ʹͳͬͨ

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͜ΕΛAWS LambdaͰ ಈ͔͢

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௨ৗͷpuppeteerΛ࢖͏ͱ Chromium͕ೖΔ ͢ΔͱɺLambdaͷ༰ྔͰ͋Δ 50MBΛ௒͑Δ

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serverless-chrome https://github.com/adieuadieu/serverless-chrome

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ChromeΛLambdaͷ֎Ͱ ࣮ߦ͢Δ͜ͱͰ ༰ྔΦʔόʔΛճආ͢Δ

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LambdaͰಈ͔ͨ͠ -BNCEBͰ ಈ࡞͢Δ"1* -BNCEBݺͼग़͠

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Lambdaʹొ࿥͢Δ͜ͱͰ ϘλϯΛԡͤ͹ߪೖͰ͖Δ!

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⚠໰୊ൃੜ⚠

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AWS Lambda͔Β yodobashi.com΁ͷ ΞΫηε͕Ͱ͖ͳ͍ ͸঎඼ϖʔδͷΈ 'PSCJEEFO

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AWS͚ͩͳͷʁ ଞͷՈిྔൢళαΠτ͸ʁ ͜ΕΒͷ࿩͸ ࠙਌ձͰ͠·͠ΐ͏!

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Ͳ͏ճආ͢Δ͔ Heroku͔ΒͳΒ ΞΫηεͰ͖Δ

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ߏ੒Λม͑Ε͹͍͚Δ -BNCEBݺͼग़͠ )5514௨৴Ͱ )FSPLVΛίʔϧ εΫϦϓτ࣮ߦ

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Yodobashi Dash Button͕ ׬੒ͨ͠!!

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puppeteerͷັྗ

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·ͣ͸͡Ίʹ Headless ChromeΛ࿩্͢Ͱ ͔ܽͤͳ͍ಈը

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The power of Headless Chrome https://www.youtube.com/watch?v=lhZOFUY1weo 2018೥ͷGoogle IOͷߨԋ

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Headless Chrome͸ େ͖ͳՄೳੑΛൿΊ͍ͯΔ

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ࢲͷߟ͑Δ ࠷΋ັྗతͳٕज़

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ͲΜͳWebαʔϏεͰ΋ APIԽͰ͖Δ

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Πϯλʔωοτશ੝ظ ϒϥ΢βΛ࢖Θͳ͍ਓ͸ ΄΅͍ͳ͍Ͱ͢ΑͶ

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ීஈͷωοταʔϑΟϯΛ ࣗಈԽͰ͖Δ

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ࣗಈԽͯ͠APIʹ͢Ε͹ ͍ͭͰ΋ݺͼग़ͤΔ

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APIԽ͓͚ͯ͠͹ ΠϯλʔϑΣʔε͸ ͲΕͰ΋࢖͑Δ ࠓ࿩୊ͷεϚʔτεϐʔΧʔ Ͱ΋OK

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⚠8BSOJOH

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Ԭ࡚ࢢཱதԝਤॻؗࣄ݅ https://ja.wikipedia.org/wiki/Ԭ࡚ࢢཱதԝਤॻؗࣄ݅

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΍Γ͗͢Δͱॻྨૹݕ·Ͱ ͋Γ·͢ ৗࣝతͳΞΫηεʹ ԡ͑͞·͠ΐ͏

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͜ͷηογϣϯʹײԽ͞Εͯ ൃੜͨ͠ଛ֐౳ʹ͍ͭͯɺ ੹೚͸ෛ͍݉Ͷ·͢

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༻๏༻ྔΛकͬͯ ศརʹ࢖͍·͠ΐ͏

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͜ͷಈըͷதͰ ڧ͘࿩͞Ε͍ͯΔ͜ͱ https://www.youtube.com/watch?v=lhZOFUY1weo

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ʮ͜ͷ࿩͸ςετࣗಈԽͷ ࿩Ͱ͸͋Γ·ͤΜʯ ʮࣗಈԽ͢Δ͜ͱ͕Ͱ͖Δʯ ʮࣗಈԽ͢ΔπʔϧͰ͋Δʯ