docs: fix some typos (#104)

__tests__/mock/prototype.js

@@ -101,7 +101,7 @@ describe('mock', () => {
 
   /**
    * This test is very special, because it helps increase the code coverage to 100%. It patches
-   * console.error to supress calls to console.error, sets an internal dataset value to force the
+   * console.error to suppress calls to console.error, sets an internal dataset value to force the
    * getContext() function to call it's internal getContext() provided by jsdom.
    */
   it('should call internal function if "canvas" is installed', () => {

src/mock/prototype.js

@@ -13,7 +13,7 @@ export default function mockPrototype() {
   const getContext2D = jest.fn(function getContext2d(type) {
     if (type === '2d') {
       /**
-       * Contexts must be indempotent. Once they are generated, they should be returned when
+       * Contexts must be idempotent. Once they are generated, they should be returned when
        * getContext() is called on the same canvas object multiple times.
        */
       if (generatedContexts.has(this)) return generatedContexts.get(this);

src/window.js

@@ -20,7 +20,7 @@ export default (win) => {
 
   // jsdom@11.6.2 || jest@^22.0.0, console.error in Function getContext();
   // https://github.com/jsdom/jsdom/blob/4c7698f760fc64f20b2a0ddff450eddbdd193176/lib/jsdom/living/nodes/HTMLCanvasElement-impl.js#L55-L58
-  // cosole.error will make ci error.
+  // console.error will make ci error.
   // try {
   //   // get the context 2d.
   //   const ctx = d.createElement('canvas').getContext('2d');

types/index.d.ts

@@ -1,6 +1,6 @@
 export interface CanvasRenderingContext2DEvent {
   /**
-   * This is the type of canvas event that occured.
+   * This is the type of canvas event that occurred.
    */
   type: string;
   /**