Create API wrapper.

opendota.js

@@ -0,0 +1,54 @@
+/** A minimalist wrapper over the OpenDota API. */
+
+/** All the API endpoints which will be used. */
+const playerEndpoint = `https://api.opendota.com/api/players/`;
+
+const recentMatchesUrl = (player) => `{playerEndpoint}{player}/recentMatches`;
+const playerUrl = (player) => `{playerEndpoint}{player}`;
+const winLossUrl = (player) => `{playerEndpoint}{player}/wl`;
+
+/**
+ * 
+ * @param {*} player The OpenDota player ID.
+ */
+const fetchRecentMatches = async (player) => {
+    let url = recentMatchesUrl(player);
+    fetch(url).then(result => {
+        return result.json();
+    }).catch(err => {
+        return null;
+    });
+}
+
+/**
+ * 
+ * @param {*} player The OpenDota player ID.
+ */
+const fetchPlayerData = async (player) => {
+    let url = playerUrl(player);
+    fetch(url).then(result => {
+        return result.json();
+    }).catch(err => {
+        return null;
+    });
+}
+
+/**
+ * 
+ * @param {*} player The OpenDota player ID.
+ */
+const fetchWinLoss = async (player) => {
+    let url = winLossUrl(player);
+    let url = playerUrl(player);
+    fetch(url).then(result => {
+        return result.json();
+    }).catch(err => {
+        return null;
+    });
+}
+
+module.exports = {
+    fetchRecentMatches: fetchRecentMatches,
+    fetchPlayerData: fetchPlayerData,
+    fetchWinLoss: fetchWinLoss
+};