Baseline Widely available *
ã¡ã¢: ãã®æ©è½ã¯ã¦ã§ãã¯ã¼ã«ã¼å ã§å©ç¨å¯è½ã§ãã
Request
ã¯ãã§ãã API ã®ã¤ã³ã¿ã¼ãã§ã¤ã¹ã§ããªã½ã¼ã¹ã®ãªã¯ã¨ã¹ãã表ãã¾ãã
æ°ãã Request
ãªãã¸ã§ã¯ã㯠Request()
ã³ã³ã¹ãã©ã¯ã¿ã¼ãç¨ãã¦çæãããã¨ãã§ãã¾ããã Request
ãªãã¸ã§ã¯ãã¯ä»ã® API æä½ãä¾ãã°ãµã¼ãã¹ã¯ã¼ã«ã¼ã® FetchEvent.request
ãªã©ã®çµæã¨ãã¦è¿ããããã®ã«ééãããã¨ã®æ¹ãå¤ãã§ãããã
Request()
æ°ãã Request
ãªãã¸ã§ã¯ããçæãã¾ãã
Request.body
èªåå°ç¨
æ¬ä½ã®ä¸èº«ã® ReadableStream
ã§ãã
Request.bodyUsed
èªåå°ç¨
true
ã¾ã㯠false
ã§ãã¬ã¹ãã³ã¹ä¸ã§æ¬ä½ãæ¢ã«ä½¿ç¨ããããã©ããã示ãã¾ãã
Request.cache
èªåå°ç¨
ãªã¯ã¨ã¹ãã®ãã£ãã·ã¥ã¢ã¼ã (default
, reload
, no-cache
ãªã©) ãå
¥ãã¾ãã
Request.credentials
èªåå°ç¨
ãªã¯ã¨ã¹ãã®èªè¨¼æ
å ± (omit
, same-origin
, include
ãªã©) ãå
¥ãã¾ããæ¢å®å¤ã¯ same-origin
ã§ãã
Request.destination
èªåå°ç¨
æååã§ããªã¯ã¨ã¹ããããã³ã³ãã³ãã®åã表ãã¾ãã
ãªã¯ã¨ã¹ãã«é¢é£ä»ãããã Headers
ãªãã¸ã§ã¯ããå
¥ãã¾ãã
Request.integrity
èªåå°ç¨
ãªã¯ã¨ã¹ãã®ãµããªã½ã¼ã¹å®å
¨æ§ã®å¤ãä¿æãã¾ãï¼sha256-BpfBw7ivV8q2jLiT13fxDYAe2tJllusRSZ273h2nFSE=
ãªã©ï¼ã
Request.isHistoryNavigation
èªåå°ç¨
è«çå¤ã§ããã®ãªã¯ã¨ã¹ããå±¥æ´ã®ããã²ã¼ã·ã§ã³ã§ãããã©ããã示ãã¾ãã
Request.keepalive
èªåå°ç¨
ãªã¯ã¨ã¹ãã® keepalive
è¨å®ï¼true
ã¾ã㯠false
ï¼ãå
¥ãã¾ããããã¯ããªã¯ã¨ã¹ããå®å
¨ã«å®äºããåã«éå§ãã¼ã¸ãèªã¿è¾¼ã¾ããªãã£ãå ´åã«ããã©ã¦ã¶ã¼ãé¢é£ä»ãããããªã¯ã¨ã¹ããç¶æãããã©ããã示ãã¾ãã
Request.method
èªåå°ç¨
ãªã¯ã¨ã¹ãã¡ã½ãã (GET
, POST
ãªã©) ãä¿æãã¾ãã
Request.mode
èªåå°ç¨
ãªã¯ã¨ã¹ãã®ã¢ã¼ã ( cors
, no-cors
, same-origin
, navigate
ãªã©) ãä¿æãã¾ãã
Request.redirect
èªåå°ç¨
ãªãã¤ã¬ã¯ããã©ãæ±ããã®ã¢ã¼ããå
¥ãã¾ãã follow
, error
, manual
ã®ããããã§ãã
Request.referrer
èªåå°ç¨
ãã®ãªã¯ã¨ã¹ãã®ãªãã¡ã©ã¼ (client
ãªã©) ãå
¥ãã¾ãã
Request.referrerPolicy
èªåå°ç¨
ãªãã¡ã©ã«é¢ããããªã·ã¼ (no-referrer
ãªã©) ãå
¥ãã¾ãã
Request.signal
èªåå°ç¨
ãªã¯ã¨ã¹ãã«é¢é£ä»ãããã AbortSignal
ãè¿ãã¾ãã
Request.url
èªåå°ç¨
ãªã¯ã¨ã¹ãã® URL ãå ¥ãã¾ãã
Request.arrayBuffer()
ãªã¯ã¨ã¹ãã®æ¬ä½ã® ArrayBuffer
表ç¾ã§è§£æ±ºãããããã¹ãè¿ãã¾ãã
Request.blob()
ãªã¯ã¨ã¹ãã®æ¬ä½ã® Blob
表ç¾ã§è§£æ±ºãããããã¹ãè¿ãã¾ãã
Request.bytes()
ãªã¯ã¨ã¹ãæ¬ä½ã® Uint8Array
表ç¾ã§è§£æ±ºãããããã¹ãè¿ãã¾ãã
Request.clone()
ç¾å¨ã® Request
ãªãã¸ã§ã¯ãã®ã³ãã¼ãçæãã¾ãã
Request.formData()
ãªã¯ã¨ã¹ãã®æ¬ä½ã® FormData
表ç¾ã§è§£æ±ºãããããã¹ãè¿ãã¾ãã
Request.json()
ãªã¯ã¨ã¹ãã®æ¬ä½ã JSON
ã§è§£éããçµæã§è§£æ±ºãããããã¹ãè¿ãã¾ãã
Request.text()
ãªã¯ã¨ã¹ãã®æ¬ä½ã®ããã¹ã表ç¾ã§è§£æ±ºãããããã¹ãè¿ãã¾ãã
ã¡ã¢: ãªã¯ã¨ã¹ãæ¬ä½ã®æ©è½ã¯ä¸åº¦ããå®è¡ãããã¨ãã§ãã¾ããããã以éã®å¼ã³åºãã¯ãTypeError ã§æå¦ãããæ¬ä½ã¹ããªã¼ã ããã§ã«ä½¿ç¨ããã¦ãããã¨ã示ãã¨ã©ã¼ã表示ããã¾ãã
便¬¡ã®ã¹ããããã§ã¯ãRequest()
ã³ã³ã¹ãã©ã¯ã¿ã¼ã使ç¨ã㦠(ã¹ã¯ãªããã¨åããã£ã¬ã¯ããªã¼ã«ããç»åãã¡ã¤ã«ã®ããã«) æ°ãã request ãçæããããã¤ããªã¯ã¨ã¹ãã®ããããã£å¤ãè¿ãã¦ãã¾ãã
const request = new Request("https://www.mozilla.org/favicon.ico");
const url = request.url;
const method = request.method;
const credentials = request.credentials;
ãã®ãªã¯ã¨ã¹ãã¯ãä¸è¨ã®ããã« Request
ãªãã¸ã§ã¯ãã弿°ã¨ã㦠fetch()
ã«æ¸¡ããã¨ã§èªã¿åããã¨ãã§ãã¾ãã
fetch(request)
.then((response) => response.blob())
.then((blob) => {
image.src = URL.createObjectURL(blob);
});
以ä¸ã®ã¹ããããã§ã¯ã Request()
ã³ã³ã¹ãã©ã¯ã¿ã¼ã«ããã¤ãã®åæåãã¼ã¿ã¨æ¬ä½ã³ã³ãã³ããä»ãã¦ãæ¬ä½ãã¤ãã¼ããå¿
è¦ã¨ãã API ãªã¯ã¨ã¹ãã®ããã®æ°ãããªã¯ã¨ã¹ããçæãã¾ãã
const request = new Request("https://example.com", {
method: "POST",
body: '{"foo": "bar"}',
});
const url = request.url;
const method = request.method;
const credentials = request.credentials;
const bodyUsed = request.bodyUsed;
ã¡ã¢: body ã®å㯠Blob
, ArrayBuffer
, TypedArray
, DataView
, FormData
, URLSearchParams
, ReadableStream
, String
ãªãã¸ã§ã¯ãã®ãããããããã³æååãªãã©ã«ã®ã¿ã§ãã®ã§ã JSON ãªãã¸ã§ã¯ããæ¬ä½ã«è¿½å ããã«ã¯ããã®ãªãã¸ã§ã¯ãã®æåååãããå¿
è¦ãããã¾ãã
ãã㨠Request
ãªãã¸ã§ã¯ãããä¾ãã° fetch()
å¼ã³åºãã®å¼æ°ã¨ãã¦æ¸¡ããã¨ã§ API ãªã¯ã¨ã¹ããåå¾ã§ãã¦ãã¬ã¹ãã³ã¹ãåå¾ã§ãã¾ãã
fetch(request)
.then((response) => {
if (response.status === 200) {
return response.json();
} else {
throw new Error("API ãµã¼ãã¼ã§åé¡ãçºçãã¾ããã");
}
})
.then((response) => {
console.debug(response);
// â¦
})
.catch((error) => {
console.error(error);
});
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§ é¢é£æ
å ±
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