JS SDK

javascript/fh_sdk.js

@@ -0,0 +1,124 @@
+class PlayerNotFoundError extends Error {
+    constructor(message) {
+        if (!message) {
+            message = "Player not found";
+        }
+        super(message);
+        this.name = "PlayerNotFoundError";
+    }
+}
+
+class PlayerInactiveError extends Error {
+    constructor(message) {
+        if (!message) {
+            message = "Player kicked out due to inactivity";
+        }
+        super(message);
+        this.name = "PlayerInactiveError";
+    }
+}
+
+class PositionError extends Error {
+    constructor(message) {
+        if (!message) {
+            message = "Position out of bounds or collision with an object";
+        }
+        super(message);
+        this.name = "PositionError";
+    }
+}
+
+class FairHopper {
+    constructor(host, port) {
+        this.host = host;
+        this.port = port;
+
+        this.defaultHeaders = {
+            Accept: "application/json",
+            "Content-Type": "application/json",
+        };
+    }
+
+    formatUrl(path) {
+        return `${this.host}:${this.port}${path}`;
+    }
+
+    async ping() {
+        const r = await fetch(this.formatUrl("/ping"), {
+            headers: this.defaultHeaders,
+        });
+        return await r.json();
+    }
+
+    async startGame(playerName) {
+        const payload = {
+            player_name: playerName,
+        };
+        const r = await fetch(this.formatUrl("/game"), {
+            method: "post",
+            headers: this.defaultHeaders,
+            body: JSON.stringify(payload),
+        });
+        return await r.json();
+    }
+
+    async getGameInfo() {
+        const r = await fetch(this.formatUrl("/game"), {
+            headers: this.defaultHeaders,
+        });
+        return await r.json();
+    }
+
+    async getPlayerInfo(playerUuid) {
+        const r = await fetch(this.formatUrl(`/player/${playerUuid}`), {
+            headers: this.defaultHeaders,
+        });
+        switch (r.status) {
+            case 403:
+                throw new PlayerInactiveError();
+            case 404:
+                throw new PlayerNotFoundError();
+        }
+        return await r.json();
+    }
+
+    async moveLeft(playerUuid) {
+        return await this.move(playerUuid, "left");
+    }
+
+    async moveRight(playerUuid) {
+        return await this.move(playerUuid, "right");
+    }
+
+    async moveUp(playerUuid) {
+        return await this.move(playerUuid, "up");
+    }
+
+    async moveDown(playerUuid) {
+        return await this.move(playerUuid, "down");
+    }
+
+    async move(playerUuid, direction) {
+        const url = this.formatUrl(`/player/${playerUuid}/move/${direction}`);
+        const r = await fetch(url, {
+            method: "post",
+            headers: this.defaultHeaders,
+        });
+        switch (r.status) {
+            case 403:
+                throw new PlayerInactiveError();
+            case 404:
+                throw new PlayerNotFoundError();
+            case 409:
+                throw new PositionError();
+        }
+        return await r.json();
+    }
+}
+
+module.exports = {
+    FairHopper,
+    PlayerNotFoundError,
+    PlayerInactiveError,
+    PositionError,
+};