{"id":16981,"date":"2026-07-23T11:25:54","date_gmt":"2026-07-23T02:25:54","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=16981"},"modified":"2026-07-23T11:28:18","modified_gmt":"2026-07-23T02:28:18","slug":"typescript-%ea%b0%9d%ec%b2%b4%ec%9d%98-%ed%94%84%eb%a1%9c%ed%8d%bc%ed%8b%b0%eb%93%a4%ec%9d%84-%ec%83%81%ec%88%98%ed%99%94%ec%a0%95%ed%99%95%ed%9e%88%eb%8a%94-%eb%a6%ac%ed%84%b0%eb%9f%b4-%ed%83%80","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=16981","title":{"rendered":"TypeScript, \uac1d\uccb4\uc758 \ud504\ub85c\ud37c\ud2f0\ub4e4\uc744 \uc0c1\uc218\ud654(\uc815\ud655\ud788\ub294 \ub9ac\ud130\ub7f4 \ud0c0\uc785\ud654) \uc2dc\ud0a4\ub294 as const"},"content":{"rendered":"
\r\nconst req = { url: \"https:\/\/example.com\", method: \"GET\" };\r\nreq.method = \"XXX\";\r\n<\/pre>\n
\uc704\uc758 \ucf54\ub4dc\ub294 \uc720\ud6a8\ud569\ub2c8\ub2e4. req<\/code>\ub294 \ube44\ub85d \uc0c1\uc218 \uac1d\uccb4\ub85c \uc120\uc5b8\ub418\uc5b4\uc788\uc9c0\ub9cc \uadf8 \uad6c\uc131 \ud504\ub85c\ud37c\ud2f0\ub4e4\uc740 \ubcc0\uacbd\uc774 \uac00\ub2a5\ud55c string<\/code> \ud0c0\uc785\uc785\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774\ub807\uac8c \ub420 \uacbd\uc6b0 \ubb38\uc81c\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c\ub4e4\uc5b4\uc11c \ub2e4\uc74c\uacfc \uac19\uc740 \ud568\uc218\uac00 \uc788\ub2e4\uace0 \ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
\r\nfunction requestURL(url: string, method: \"GET\" | \"POST\") {\r\n  \/\/ ..\r\n}\r\n\r\nrequestURL(req.url, req.method);\r\n<\/pre>\n
requestURL<\/code> \ud568\uc218\uc758 \ub450\ubc88\uc9f8 \uc778\uc790\ub294 \uc720\ub2c8\uc5b8 \ud0c0\uc785\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 req.method<\/code>\ub294 string<\/code> \ud0c0\uc785\uc774\uad6c\uc694. \uc989, req.method<\/code>\ub294 \uc5b8\uc81c\ub4e0 GET<\/code>\uc774\ub098 POST<\/code>\uac00 \uc544\ub2cc \ub2e4\ub978 \ubb38\uc790\uc5f4 \uac12\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\ud574\uacb0 \ubc29\ubc95\uc740 as const<\/code>\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
\r\nconst req = { url: \"https:\/\/example.com\", method: \"GET\" } as const;\r\n\/\/ req.method = \"XXX\"; -> ERROR\r\n<\/pre>\n
as const<\/code>\uc5d0 \uc758\ud574 req<\/code>\uc758 \ud504\ub85c\ud37c\ud2f0\ub4e4\uc740 \ub354 \uc774\uc0c1 string<\/code>\uc774 \uc544\ub2cc \ub9ac\ud130\ub9b4 \ud0c0\uc785\uc774 \ub429\ub2c8\ub2e4. \uc55e\uc11c \ubd24\ub358 requestURL<\/code> \ud568\uc218 \ud638\ucd9c\ub3c4 \ub354 \uc774\uc0c1 \ubb38\uc81c\uac00 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
const req = { url: “https:\/\/example.com”, method: “GET” }; req.method = “XXX”; \uc704\uc758 \ucf54\ub4dc\ub294 \uc720\ud6a8\ud569\ub2c8\ub2e4. req\ub294 \ube44\ub85d \uc0c1\uc218 \uac1d\uccb4\ub85c \uc120\uc5b8\ub418\uc5b4\uc788\uc9c0\ub9cc \uadf8 \uad6c\uc131 \ud504\ub85c\ud37c\ud2f0\ub4e4\uc740 \ubcc0\uacbd\uc774 \uac00\ub2a5\ud55c string \ud0c0\uc785\uc785\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774\ub807\uac8c \ub420 \uacbd\uc6b0 \ubb38\uc81c\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c\ub4e4\uc5b4\uc11c \ub2e4\uc74c\uacfc \uac19\uc740 \ud568\uc218\uac00 \uc788\ub2e4\uace0 \ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. function requestURL(url: string, method: “GET” | “POST”) { \/\/ .. } requestURL(req.url, req.method); requestURL … <\/p>\n
\ub354 \ubcf4\uae30 “TypeScript, \uac1d\uccb4\uc758 \ud504\ub85c\ud37c\ud2f0\ub4e4\uc744 \uc0c1\uc218\ud654(\uc815\ud655\ud788\ub294 \ub9ac\ud130\ub7f4 \ud0c0\uc785\ud654) \uc2dc\ud0a4\ub294 as const”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[157],"tags":[],"class_list":["post-16981","post","type-post","status-publish","format-standard","hentry","category-typescript"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/16981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16981"}],"version-history":[{"count":5,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/16981\/revisions"}],"predecessor-version":[{"id":16984,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/16981\/revisions\/16984"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16981"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}