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PWA基礎_2

gyarasu
November 13, 2018

 PWA基礎_2

Service Workerについてかんたんにまとめてあります。

gyarasu

November 13, 2018
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  1. PWAೖ໳ߨ࠲
    Part2
    ʔ PWAͷجૅᶄ ʔ

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  2. ໨࣍
    ▹  Service Workerͱ͸ʁ
    ▹  Service Workerͷಛ௃ɾͰ͖Δ͜ͱ
    ▹  ·ͱΊ
    2

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  3. Service Workerͱ͸ʁ

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  4. WebϖʔδͷཪଆͰϓϩΩγ
    αʔόͱͯ͠ಈ͘εΫϦϓτ
    4

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  5. Service Workerͱ͸ʁ
    ▹  Web WorkerͷҰछ
    ▹  Webϖʔδͱ͸ผεϨουʢ=όοΫάϥ
    ΢ϯυʣͰεΫϦϓτॲཧΛಈ࡞ͤ͞Δ࢓
    ૊Έ
    ▹  ϓϩΩγαʔόͱͯ͠ͷಈ࡞
    ▹  Webϖʔδ͔ΒͷϦΫΤετΛίϯτϩʔ
    ϧͯ͠ɺΦϑϥΠϯମݧΛఏڙ
    5

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  6. 6
    Service Worker֓೦ਤ
    Local Internet
    Page Service Worker
    Cache IndexedDB
    Internet
    Server
    Catch Request
    Background Sync
    Listen Push
    Event

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  7. Service Worker
    ಛ௃ɾͰ͖Δ͜ͱ

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  8. ಈ࡞؀ڥ
    ▹  Chrome46Ҏ߱
    ▹  Safari11.1ʢiOS11.3ʣҎ߱
    ▹  ཁHTTPS
    ▹  ઃஔͨ͠֊૚ҎԼͷfetchΠϕϯτΛड͚औ
    Δ͜ͱ͕Ͱ͖Δ
    8

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  9. Ͱ͖Δ͜ͱ
    ▹  Ωϟογϡ
    ▹  Cache API
    ▹  ϓογϡ௨஌
    ▹  PushEvent
    ▹  όοΫάϥ΢ϯυಉظ
    ▹  SyncEvent
    9

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  10. 10
    ϥΠϑαΠΫϧ
    Installing
    Waiting
    Active
    https://developer.mozilla.org/ja/docs/Web/API/ServiceWorker_API/Using_Service_Workers
    •  Service Workerͷొ࿥
    •  ಛఆϦιʔεͷΩϟογϡ
    •  ηοτΞοϓ͕׬ྃͨ͠ঢ়ଶ
    •  ݱࡏΞΫςΟϒͳService Worker
    ͷऴྃ଴ͪ
    •  fetchɺsyncɺpushΠϕϯτΛϋ
    ϯυϦϯάͰ͖Δঢ়ଶ

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  11. ར༻ՄೳͳΠϕϯτ
    ▹  install
    ▹  activate
    ▹  message
    ▹  fetch
    ▹  sync
    ▹  push
    11

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  12. ੍໿ɾ஫ҙ఺
    ▹  DOMʹ௚઀ΞΫηεͰ͖ͳ͍
    ▹  fetch()ͷσϑΥϧτͰΫϨσϯγϟϧ͕ૹΒΕ
    ͳ͍ͷͰɺcookieΛؚΊ͍ͨ৔߹͸credentials
    Λ’include’ͱ͢Δ
    ▹  ඇCORSͳϦΫΤετ͸σϑΥϧτͰࣦഊ͢Δ
    ▹  Service Worker͸ඞཁͳͱ͖ͷΈىಈ͢ΔͷͰɺ
    ϥΠϑαΠΫϧؒͰσʔλΛڞ༗͍ͨ͠৔߹͸
    IndexedDBΛ࢖༻͢Δ
    12

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  13. ·ͱΊ
    ▹  PWAʹ͓͚ΔΦϑϥΠϯΩϟογϡɺϓο
    γϡ௨஌ɺόοΫάϥ΢ϯυಉظͷػೳ͸
    Service WorkerʹΑͬͯఏڙ͞ΕΔ
    ▹  Installing, Waiting, Activeͷঢ়ଶΛίϯτϩ
    ʔϧͯ͠ɺద੾ʹػೳΛ࣮૷͢Δ
    ▹  Service Worker͸Webϖʔδͱ͸ผεϨο
    υͰಈ࡞͢ΔͨΊɺDOMʹ௚઀ΞΫηεͰ
    ͖ͳ͍
    13

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  14. END

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