Baseline Widely available
state
㯠ServiceWorker
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®èªã¿åãå°ç¨ããããã£ã§ããµã¼ãã¹ã¯ã¼ã«ã¼ã®ç¾å¨ã®ç¶æ
ã表ãæååãè¿ãã¾ããèªã¿è¾¼ã¿ããããã£ã§ãã 㯠service worker ã®ç¾å¨ã®ç¶æ
ã表ãæååãè¿ãã¾ããããã¯ãparsed
ãinstalling
ãinstalled
ãactivating
ãactivated
ãredundant
ã®ä½ããã§ãã
æååã§ã以ä¸ã®å¤ã®ãã¡ã®ãããããåãã¾ãã
"parsed"
ãµã¼ãã¹ã¯ã¼ã«ã¼ããã¦ã³ãã¼ããããå®è¡å¯è½ã§ãããã¨ã確èªãããå¾ã®åæç¶æ
ã§ãã ãµã¼ãã¹ã¯ã¼ã«ã¼ããã®ç¶æ
ã«æ´æ°ããããã¨ã¯ãªãã®ã§ãServiceWorker.statechange_event
ã®å¤ã«ãªããã¨ã¯ããã¾ããã
"installing"
ãã®ç¶æ
ã®ãµã¼ãã¹ã¯ã¼ã«ã¼ã¯ãã¤ã³ã¹ãã¼ã«ä¸ã®ã¯ã¼ã«ã¼ã¨ã¿ãªããã¾ãããã®ç¶æ
ã®éãExtendableEvent.waitUntil()
㯠install
ã¤ãã³ããã³ãã©ã¼ã®ä¸ã§å¼ã³åºãããæ¸¡ããããããã¹ãæ£å¸¸ã«è§£æ±ºãããã¾ã§ã¤ã³ã¹ãã¼ã«ä¸ã®ã¯ã¼ã«ã¼ãå»¶é·ãããã¨ãã§ãã¾ããããã¯ä¸»ã«ãã³ã¢ãã£ãã·ã¥ããã¹ã¦æå
¥ãããã¾ã§ãµã¼ãã¹ã¯ã¼ã«ã¼ãã¢ã¯ãã£ãã«ãªããªãããã«ããããã«ä½¿ç¨ãã¾ãã
"installed"
ãã®ç¶æ ã®ãµã¼ãã¹ã¯ã¼ã«ã¼ã¯ãå¾ æ©ä¸ã®ã¯ã¼ã«ã¼ã¨ã¿ãªããã¾ãã
"activating"
ãã®ç¶æ
ã®ãµã¼ãã¹ã¯ã¼ã«ã¼ã¯ãã¢ã¯ãã£ãã¯ã¼ã«ã¼ã¨ã¿ãªããã¾ãããã®ç¶æ
ã®éãExtendableEvent.waitUntil()
㯠onactivate
ã¤ãã³ããã³ãã©ã¼ã®ä¸ã§å¼ã³åºãããæ¸¡ããããããã¹ãæ£å¸¸ã«è§£æ±ºãããã¾ã§ã¢ã¯ãã£ãã¯ã¼ã«ã¼ãå»¶é·ããããã¨ãã§ãã¾ããç¶æ
ãã¢ã¯ãã£ãã«ãªãã¾ã§ãæ©è½ã¤ãã³ãã¯é
ä¿¡ããã¾ããã
"activated"
ãã®ç¶æ ã®ãµã¼ãã¹ã¯ã¼ã«ã¼ã¯ãæ©è½ã¤ãã³ããå¦çããæºåãæ´ã£ãã¢ã¯ãã£ãã¯ã¼ã«ã¼ã¨ã¿ãªããã¾ãã
"redundant"
æ°ãããµã¼ãã¹ã¯ã¼ã«ã¼ãç¾å¨ã®ãµã¼ãã¹ã¯ã¼ã«ã¼ã«ç½®ãæããããã¾ãã¯ç¾å¨ã®ãµã¼ãã¹ã¯ã¼ã«ã¼ãã¤ã³ã¹ãã¼ã«ã«å¤±æãã¦ç ´æ£ãããå ´åã§ãã
ãã®ã³ã¼ãã¹ããããã¯ããµã¼ãã¹ã¯ã¼ã«ã¼ã®ç»é²ã¤ãã³ããµã³ãã«ï¼ã©ã¤ããã¢ï¼ã«æ²è¼ããã¦ãã¾ãããã®ã³ã¼ãã¯ãServiceWorker.state
ã®å¤åãå¾
ã¡åãããã®å¤ãè¿ãã¦ãã¾ãã
let serviceWorker;
if (registration.installing) {
serviceWorker = registration.installing;
document.querySelector("#kind").textContent = "installing";
} else if (registration.waiting) {
serviceWorker = registration.waiting;
document.querySelector("#kind").textContent = "waiting";
} else if (registration.active) {
serviceWorker = registration.active;
document.querySelector("#kind").textContent = "active";
}
if (serviceWorker) {
logState(serviceWorker.state);
serviceWorker.addEventListener("statechange", (e) => {
logState(e.target.state);
});
}
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