Initial commit

src/rest/APIRouter.js

@@ -0,0 +1,53 @@
+'use strict';
+
+const noop = () => {}; // eslint-disable-line no-empty-function
+const methods = ['get', 'post', 'delete', 'patch', 'put'];
+const reflectors = [
+  'toString',
+  'valueOf',
+  'inspect',
+  'constructor',
+  Symbol.toPrimitive,
+  Symbol.for('nodejs.util.inspect.custom'),
+];
+
+function buildRoute(manager) {
+  const route = [''];
+  const handler = {
+    get(target, name) {
+      if (reflectors.includes(name)) return () => route.join('/');
+      if (methods.includes(name)) {
+        const routeBucket = [];
+        for (let i = 0; i < route.length; i++) {
+          // Reactions routes and sub-routes all share the same bucket
+          if (route[i - 1] === 'reactions') break;
+          // Literal ids should only be taken account if they are the Major id (the Channel/Guild id)
+          if (/\d{16,19}/g.test(route[i]) && !/channels|guilds/.test(route[i - 1])) routeBucket.push(':id');
+          // All other parts of the route should be considered as part of the bucket identifier
+          else routeBucket.push(route[i]);
+        }
+        return options =>
+          manager.request(
+            name,
+            route.join('/'),
+            Object.assign(
+              {
+                versioned: manager.versioned,
+                route: routeBucket.join('/'),
+              },
+              options,
+            ),
+          );
+      }
+      route.push(name);
+      return new Proxy(noop, handler);
+    },
+    apply(target, _, args) {
+      route.push(...args.filter(x => x != null)); // eslint-disable-line eqeqeq
+      return new Proxy(noop, handler);
+    },
+  };
+  return new Proxy(noop, handler);
+}
+
+module.exports = buildRoute;