Fix lint errors

package.json

@@ -6,7 +6,7 @@
  "main": "dist/lifecycle.es5.js",
  "module": "dist/lifecycle.mjs",
  "scripts": {
- "test": "eslint *.js src/**/*",
+ "test": "eslint *.js src/**/* test/*.mjs",
  "build": "rollup -c"
  },
  "repository": {
@@ -58,7 +58,8 @@
  },
  "globals": {
  "assert": false,
- "sinon": false
+ "sinon": false,
+ "safari": false
  },
  "parserOptions": {
  "ecmaVersion": 2018,

src/Lifecycle.mjs

@@ -20,7 +20,7 @@ const ACTIVE = 'active';
 const PASSIVE = 'passive';
 const HIDDEN = 'hidden';
 const FROZEN = 'frozen';
-const DISCARDED = 'discarded';
+// const DISCARDED = 'discarded'; Not used but show to completeness.
 const TERMINATED = 'terminated';
 
 // Detect Safari to work around Safari-specific bugs.
@@ -222,6 +222,7 @@ export default class Lifecycle extends EventTarget {
 
  /**
  * @private
+ * @param {!Event} originalEvent
  * @param {string} newState
  */
  _dispatchChangesIfNeeded(originalEvent, newState) {

test/Lifecycle-test.mjs

@@ -70,6 +70,10 @@ const fireEvent = (type, props = {}) => {
 /**
  * A wrapper around `sinon.stub()` for properties that supports non-existent
  * own properties (sinon doesn't).
+ * @param {!Object} obj
+ * @param {string} prop
+ * @param {*} value
+ * @return {!Object}
  */
 const stubProperty = (obj, prop, value) => {
  if (!obj.hasOwnProperty(prop)) {
@@ -86,6 +90,9 @@ const stubProperty = (obj, prop, value) => {
 /**
  * A wrapper around `sinon.stub()` for methods that automatically unstubs
  * an restubs a method if it's already been stubbed.
+ * @param {!Object} obj
+ * @param {string} method
+ * @return {!Object}
  */
 const stubMethod = (obj, method) => {
  if (obj[method].isSinonProxy) {
@@ -99,7 +106,7 @@ const stubMethod = (obj, method) => {
  * correct state (either at instantiation time or after an event). Note that
  * the frozen, terminated, and discarded states cannot be stubbed since
  * they require an event to fire to be observable.
- * @param {string}
+ * @param {string} state
  */
 const stubState = (state) => {
  switch (state) {