Add MappedDisposable class to main exports list

Atom-specific. Will be deleted if atom/event-kit#32 gets merged/shipped.

Makefile

@@ -8,7 +8,7 @@ browser   := $(filter-out $(node-only),$(wildcard lib/*.js))
 all: $(targets)
 
 # Generate a compiled suite of functions from lib/*.js. Assumes Node environment.
-index.js: $(wildcard lib/*.js) lib/classes/pattern-lists.js
+index.js: $(wildcard lib/*.js) $(wildcard lib/classes/*.js)
 	@echo '"use strict";' > $@
 	@cat $^ | sed -Ee '/"use strict";$$/d' >> $@
 	@printf $(\n)"module.exports = {"$(\n) >> $@

lib/classes/mapped-disposable.js

@@ -1,6 +1,6 @@
 "use strict";
 
-const {CompositeDisposable, Disposable} = require("atom");
+const {CompositeDisposable, Disposable} = ("object" === typeof global.atom) ? require("atom") : {};
 
 
 /**
@@ -199,5 +199,3 @@ class MappedDisposable {
 
 
 MappedDisposable.prototype.disposed = false;
-
-module.exports = MappedDisposable;

lib/node.js

@@ -1,5 +1,6 @@
 "use strict";
 
+const fs = require("fs");
 const {resolve} = require("path");
 
 

test/2-classes.js

@@ -412,10 +412,10 @@ describe("Utility classes", () => {
 		});
 	});
 
-	if("object" === typeof global.atom && global.atom.specMode)
+	if("object" === typeof global.atom)
 	describe("Atom-specific", () => {
 		describe("MappedDisposable", () => {
-			const MappedDisposable = require("../lib/classes/mapped-disposable.js");
+			const {MappedDisposable} = require("../index.js");
 			const {CompositeDisposable, Disposable} = require("atom");
 
 			it("can be constructed with an iterable", () => {