Baseline Widely available *
ServiceWorkerContainer
ã¯ãµã¼ãã¹ã¯ã¼ã«ã¼ APIã®ã¤ã³ã¿ã¼ãã§ã¤ã¹ã§ããããã¯ã¼ã¯ã¨ã³ã·ã¹ãã ã®å
¨ä½çãªåä½ã¨ãã¦ããµã¼ãã¹ã¯ã¼ã«ã¼ã表ããªãã¸ã§ã¯ããæä¾ãã¾ãã ãµã¼ãã¹ã¯ã¼ã«ã¼ã¯ããµã¼ãã¹ã¯ã¼ã«ã¼ã®ç»é²ãç»é²è§£é¤ãæ´æ°ã®ããã®æ©è½ãããµã¼ãã¹ã¯ã¼ã«ã¼ã®ç¶æ
ã¨ãããã®ç»é²ç¶æ³ã«ã¢ã¯ã»ã¹ããããã®æ©è½ãåãã¦ãã¾ãã
ããã§æãéè¦ãªãã¨ã¯ããµã¼ãã¹ã¯ã¼ã«ã¼ãç»é²ããããã® ServiceWorkerContainer.register()
ã¡ã½ããã¨ãç¾å¨ã®ãã¼ã¸ãã¢ã¯ãã£ãã«å¶å¾¡ããã¦ãããã©ããã夿ããããã® ServiceWorkerContainer.controller
ããããã£ãå
¬éãã¦ãããã¨ã§ãã
ServiceWorkerContainer.controller
èªåå°ç¨
ServiceWorker
ãªãã¸ã§ã¯ãã®ç¶æ
ã activating
ã¾ã㯠activated
ã®å ´åããããè¿ãã¾ãï¼ServiceWorkerRegistration.active
ã«ãã£ã¦è¿ãããã®ã¨åããªãã¸ã§ã¯ãã§ãï¼ããã®ããããã£ã¯ãå¼·å¶åèªã¿è¾¼ã¿ã®ãªã¯ã¨ã¹ãä¸ï¼Shift + åèªã¿è¾¼ã¿ï¼ãã¾ãã¯ã¢ã¯ãã£ãã¯ã¼ã«ã¼ããªãå ´å㯠null
ãè¿ãã¾ãã
ServiceWorkerContainer.ready
èªåå°ç¨
ãµã¼ãã¹ã¯ã¼ã«ã¼ãã¢ã¯ãã£ãã«ãªãã¾ã§ã³ã¼ãã®å®è¡ãé
ãããæ¹æ³ãæä¾ãã¾ãã æ±ºãã¦æå¦ãããç¾å¨ã®ãã¼ã¸ã«é¢é£ä»ãããã¦ãã ServiceWorkerRegistration
ã« ServiceWorkerRegistration.active
ã¯ã¼ã«ã¼ãåå¨ããããã«ãªãã¾ã§ç¡æéã«å¾
æ©ãã Promise
ãè¿ãã¾ãã ãã®æ¡ä»¶ãæºããããã¨ãServiceWorkerRegistration
ã§è§£æ±ºããã¾ãã
controllerchange
ææ¸ã«é¢é£ãã ServiceWorkerRegistration
ãæ°ããã¢ã¯ãã£ãï¼active
ï¼ã¯ã¼ã«ã¼ãåå¾ããã¨çºçãã¾ãã
error
鿍奍; 鿍æº
é¢é£ãããµã¼ãã¹ã¯ã¼ã«ã¼ã§ã¨ã©ã¼ãçºçãããã³ã«çºçãã¾ãã
message
çä¿¡ã¡ãã»ã¼ã¸ã ServiceWorkerContainer
ãªãã¸ã§ã¯ããåä¿¡ããã¨ãã«çºçãã¾ãï¼ä¾ãã°ãMessagePort.postMessage()
å¼ã³åºããä»ãã¦ï¼ã
ServiceWorkerContainer.register()
æå®ããã scriptURL
ã® ServiceWorkerRegistration
ã使ã¾ãã¯æ´æ°ãã¾ãã
ServiceWorkerContainer.getRegistration()
æå®ãããææ¸ URL ã¨ã¹ã³ã¼ããä¸è´ãã ServiceWorkerRegistration
ãªãã¸ã§ã¯ããåå¾ãã¾ãã ãã®ã¡ã½ããã¯ãServiceWorkerRegistration
ã¾ã㯠undefined
ã«è§£æ±ºããã Promise
ãè¿ãã¾ãã
ServiceWorkerContainer.getRegistrations()
ServiceWorkerContainer
ã«é¢ãããã¹ã¦ã® ServiceWorkerRegistration
ãªãã¸ã§ã¯ããé
åã§è¿ãã¾ãã ãã®ã¡ã½ããã¯ãServiceWorkerRegistration
ã®é
åã«è§£æ±ºããã Promise
ãè¿ãã¾ãã
ServiceWorkerContainer.startMessages()
ãµã¼ãã¹ã¯ã¼ã«ã¼ãããã®å¶å¾¡ä¸ã®ãã¼ã¸ã«ãã£ã¹ããããããã¡ãã»ã¼ã¸ã®æµããæç¤ºçã«éå§ãã¾ãï¼ä¾ãã°ãClient.postMessage()
ãä»ãã¦éä¿¡ããã¾ãï¼ã ããã¯ããã¼ã¸ã®ã³ã³ãã³ãã®èªã¿è¾¼ã¿ãå®äºããåã§ãã£ã¦ããéä¿¡ãããã¡ãã»ã¼ã¸ã«æ©ãåå¿ããããã«ä½¿ç¨ã§ãã¾ãã
以ä¸ã®ä¾ã§ã¯ãã¾ããã©ã¦ã¶ã¼ããµã¼ãã¹ã¯ã¼ã«ã¼ããµãã¼ããã¦ãããã©ããã確èªãã¾ãã ãµãã¼ããã¦ããå ´åãã³ã¼ãã¯ãµã¼ãã¹ã¯ã¼ã«ã¼ãç»é²ãããã¼ã¸ããµã¼ãã¹ã¯ã¼ã«ã¼ã«ãã£ã¦ã¢ã¯ãã£ãã«å¶å¾¡ããã¦ãããã©ããã夿ãã¾ãã ããã§ãªãå ´åã¯ããµã¼ãã¹ã¯ã¼ã«ã¼ãå¶å¾¡ã§ããããã«ããã¼ã¸ãåèªã¿è¾¼ã¿ããããã¦ã¼ã¶ã¼ã«æ±ãã¾ãã ã³ã¼ãã¯ãç»é²å¤±æãå ±åãã¾ãã
if ("serviceWorker" in navigator) {
// ããã©ã«ãã®ã¹ã³ã¼ãã使ç¨ãã¦ã
// ãµã¤ãã®ã«ã¼ãã§ãã¹ãããããµã¼ãã¹ã¯ã¼ã«ã¼ãç»é²ãã¾ãã
navigator.serviceWorker
.register("/sw.js")
.then((registration) => {
console.log("ãµã¼ãã¹ã¯ã¼ã«ã¼ç»é²æå:", registration);
// ãã®æç¹ã§ããªãã·ã§ã³ã§ registration ã«ä½ããè¡ããã¨ãã§ãã¾ãã
// https://developer.mozilla.org/ja/docs/Web/API/ServiceWorkerRegistration ãåç
§ãã¦ãã ãã
})
.catch((error) => {
console.error(`ãµã¼ãã¹ã¯ã¼ã«ã¼ç»é²å¤±æ: ${error}`);
});
// ç»é²ç¶æ³ã«é¢ä¿ãªãã
// ç¾å¨ã®ãã¼ã¸ãæ¢åã®ãµã¼ãã¹ã¯ã¼ã«ã¼ã«ãã£ã¦å¶å¾¡ããã¦ãããã©ããã
// ããã³ãã®ã³ã³ããã¼ã©ã¼ããã¤å¤æ´ããããã«ã¤ãã¦ã®æ
å ±ã表示ãã¾ãããã
// ã¾ããç¾å¨ãµã¼ãã¹ã¯ã¼ã«ã¼ãå¶å¾¡ããã¦ãããã©ããã
// 1 åéãã®ãã§ãã¯ãè¡ãã¾ãã
if (navigator.serviceWorker.controller) {
console.log(
"ãã®ãã¼ã¸ã¯ç¾å¨ãµã¼ãã¹ã¯ã¼ã«ã¼ã«ãã£ã¦å¶å¾¡ããã¦ãã¾ã:",
navigator.serviceWorker.controller,
);
}
// 次ã«ããã³ãã©ã¼ãç»é²ãã¦ãæ°ããã¾ãã¯æ´æ°ããã
// ãµã¼ãã¹ã¯ã¼ã«ã¼ãå¶å¾¡ãåå¾ããã¿ã¤ãã³ã°ãæ¤åºãã¾ãã
navigator.serviceWorker.oncontrollerchange = () => {
console.log(
"ãã®ãã¼ã¸ã¯æ¬¡ã®ãã®ãå¶å¾¡ãã¦ãã¾ãã",
navigator.serviceWorker.controller,
);
};
} else {
console.log("ãµã¼ãã¹ã¯ã¼ã«ã¼ã«å¯¾å¿ãã¦ãã¾ããã");
}
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§ é¢é£æ
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