FileSystemEntry
㯠getParent()
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ã¡ã½ããã§ãFileSystemDirectoryEntry
ãåå¾ãã¾ãã
getParent(successCallback, errorCallback)
getParent(successCallback)
弿°
successCallback
親ãã£ã¬ã¯ããªã¼ã®é
ç®ãåå¾ãããã¨ãã«å¼ã³åºããã颿°ã§ããã³ã¼ã«ããã¯ã¯åä¸ã®å¼æ°ã¨ãã¦ã親ãã£ã¬ã¯ããªã¼ã表ã FileSystemDirectoryEntry
ãªãã¸ã§ã¯ããåãåãã¾ããã«ã¼ããã£ã¬ã¯ããªã¼ã®è¦ªã¯ãã«ã¼ããã£ã¬ã¯ããªã¼ãã®ãã®ã¨ã¿ãªããã¾ãã
errorCallback
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ãªãã·ã§ã³ã®ã³ã¼ã«ããã¯ã§ãã¨ã©ã¼ãçºçããå ´åã«å®è¡ããã¾ãã弿°ã¯åä¸ã® DOMException
ã§ãä½ãééã£ã¦ããã®ãã説æãã¾ãã
ãªã (undefined
)ã
FileError.INVALID_STATE_ERR
ãã¡ã¤ã«ã·ã¹ãã ã®ç¶æ ã許å¯ãã¦ããªããããå¦çãå®è¡ã§ãã¾ããã§ããããã®ä¾ã¯ãä¾ãã°ããã¡ã¤ã«ã·ã¹ãã ã®ãã£ãã·ã¥ç¶æ ã¨å®éã®ç¶æ ãç°ãªãå ´åã«çºçããå¯è½æ§ãããã¾ãã
FileError.NOT_FOUND_ERR
æå®ãããã¹ãå¾ããã¾ããã§ããã
FileError.SECURITY_ERR
ã»ãã¥ãªãã£ä¸ã®å¶éã«ããã親ãã£ã¬ã¯ããªã¼ã®æ å ±ãåå¾ãããã¨ãã§ãã¾ããã
ãã®ä¾ã§ã¯ã夿° fileEntry
ã§æå®ãããã¡ã¤ã«ã®ååã "newname.html"
ã«å¤æ´ãã¾ãã
fileEntry.getParent(
(parent) => {
fileEntry.moveTo(parent, "newname.html", (updatedEntry) => {
console.log(
`ãã¡ã¤ã« ${fileEntry.name} 㯠newname.html ã«æ¹åããã¾ããã`,
);
});
},
(error) => {
console.error(
`ã¨ã©ã¼ãçºç: ${fileEntry.name} ã newname.html ã«æ¹åã§ãã¾ããã§ããã`,
);
},
);
ããã¯ããã¡ã¤ã«ãç¾å¨ç½®ããã¦ãããã£ã¬ã¯ããªã¼ã表ã FileSystemDirectoryEntry
ãªãã¸ã§ã¯ããæåã«åå¾ãããã¨ã§å®ç¾ãã¾ããæ¬¡ã«ãmoveTo()
ã使ç¨ãã¦ããã®ãã£ã¬ã¯ããªã¼å
ã®ãã¡ã¤ã«åã夿´ãã¾ãã
ç¾å¨ã®ã¨ããããã®ã¡ã½ããã® Promise
ãã¼ã¹ã®ãã¼ã¸ã§ã³ã¯ããã¾ãããããããåç´ãªãã«ãã¼é¢æ°ã使ãã¦ããã®ããã«é©å¿ããããã¨ã¯ã§ãã¾ãã
function getParentPromise(entry) {
return new Promise((resolve, reject) => {
entry.getParent(resolve, reject);
});
}
åæ§ã®ææ³ã¯ããã¡ã¤ã«ã¨ãã£ã¬ã¯ããªã¼é ç® API ã®ä»ã®å ´æã§ãè¦ããã¨ãã§ãã¾ãã
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