initial commit. phase 1 complete

frontend/node_modules/next-auth/src/providers/facebook.ts

@@ -0,0 +1,47 @@
+import type { OAuthConfig, OAuthUserConfig } from "."
+
+interface FacebookPictureData {
+  url: string
+}
+
+interface FacebookPicture {
+  data: FacebookPictureData
+}
+export interface FacebookProfile extends Record<string, any> {
+  id: string
+  picture: FacebookPicture
+}
+
+export default function Facebook<P extends FacebookProfile>(
+  options: OAuthUserConfig<P>
+): OAuthConfig<P> {
+  return {
+    id: "facebook",
+    name: "Facebook",
+    type: "oauth",
+    authorization: "https://www.facebook.com/v11.0/dialog/oauth?scope=email",
+    token: "https://graph.facebook.com/oauth/access_token",
+    userinfo: {
+      url: "https://graph.facebook.com/me",
+      // https://developers.facebook.com/docs/graph-api/reference/user/#fields
+      params: { fields: "id,name,email,picture" },
+      async request({ tokens, client, provider }) {
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        return await client.userinfo(tokens.access_token!, {
+          // @ts-expect-error
+          params: provider.userinfo?.params,
+        })
+      },
+    },
+    profile(profile: P) {
+      return {
+        id: profile.id,
+        name: profile.name,
+        email: profile.email,
+        image: profile.picture.data.url,
+      }
+    },
+    style: { logo: "/facebook.svg", bg: "#006aff", text: "#fff" },
+    options,
+  }
+}