fix typos :)

docs/error-propagation.md

@@ -19,7 +19,7 @@ Here's what is going to happen:
   + `message`
   + `stack`
 
-Error contains information of where in the file error occured and what kind of error it was.
+Error contains information of where in the file error occurred and what kind of error it was.
 
 + `ember-cli-htmlbars` will catch the error from `ember-template-compiler`.
 

docs/experiments.md

@@ -28,7 +28,7 @@ An experiment can be summarized into three different states.
 
 ## Development
 
-During active developement of a feature, it can be enabled by setting the experiments
+During active development of a feature, it can be enabled by setting the experiments
 related environment variable (`'EMBER_CLI_' + EXPERIMENT_NAME`).
 
 For example, to enable the `CONFIG_CACHING` experiment mentioned in the example

lib/models/addon.js

@@ -1563,7 +1563,7 @@ let addonProto = {
 */
 
 /**
-  Allows addons to define a custom transfrom function that other addons and app can use when using `app.import`.
+  Allows addons to define a custom transform function that other addons and app can use when using `app.import`.
 
   This function is not implemented by default
 

lib/models/builder.js

@@ -67,7 +67,7 @@ class Builder extends CoreObject {
 
     let broccoli = require('broccoli');
 
-    // If not using system temp dir, compatability mode with broccoli-builder, tmp in root
+    // If not using system temp dir, compatibility mode with broccoli-builder, tmp in root
     let tmpDir;
     if (!isExperimentEnabled('SYSTEM_TEMP')) {
       tmpDir = `${this.project.root}/tmp`;

lib/models/hardware-info.js

@@ -293,7 +293,7 @@ const hwinfo = {
   },
 
   /**
-   * Determines the total amount of memory avilable to the host, as from
+   * Determines the total amount of memory available to the host, as from
    * `os.totalmem`.
    *
    * @method memoryTotal
@@ -327,7 +327,7 @@ const hwinfo = {
   },
 
   /**
-   * Determines the average processor load accross the system.  This is
+   * Determines the average processor load across the system.  This is
    * expressed as a fractional number between 0 and the number of logical
    * processors.
    *

lib/models/watcher.js

@@ -58,7 +58,7 @@ module.exports = class Watcher extends CoreObject {
   }
 
   setupBroccoliChangeEvent() {
-    // This is to keep backwards compatiblity with broccoli-sane-watcher.
+    // This is to keep backwards compatibility with broccoli-sane-watcher.
     // https://github.com/ember-cli/broccoli-sane-watcher/blob/48860/index.js#L158
     if (this.verbose) {
       this.watcher.on('change', (event, filePath) => {

lib/tasks/npm-task.js

@@ -165,7 +165,7 @@ class NpmTask extends Task {
         let args = this.toNpmArgs(this.command, options);
         promise = this.npm(args);
 
-        // as of 2018-10-09 npm 5 and 6 _break_ the heirarchy of `node_modules`
+        // as of 2018-10-09 npm 5 and 6 _break_ the hierarchy of `node_modules`
         // after a `npm install foo` (deletes files/folders other than
         // what was directly installed) in some circumstances, see:
         //
@@ -174,7 +174,7 @@ class NpmTask extends Task {
         //
         // this ensures that we run a full `npm install` **after** any `npm
         // install foo` runs to ensure that we have a fully functional
-        // node_modules heirarchy
+        // node_modules hierarchy
         if (result.npmVersion && semver.gte(result.npmVersion, '5.0.0')) {
           promise = promise.then(() => this.npm(['install']));
         }

tests/unit/models/package-info-cache/package-info-cache-test.js

@@ -108,7 +108,7 @@ describe('models/package-info-cache/package-info-cache-test.js', function() {
       expect(errorArray.length).to.equal(1);
     });
 
-    // TODO: the input to this test is poluted by other tests: https://github.com/ember-cli/ember-cli/issues/7981
+    // TODO: the input to this test is polluted by other tests: https://github.com/ember-cli/ember-cli/issues/7981
     it.skip('shows projectPackageInfo error is "3 dependencies missing"', function() {
       let errorArray = projectPackageInfo.errors.getErrors();
       let error = errorArray[0];
@@ -124,7 +124,7 @@ describe('models/package-info-cache/package-info-cache-test.js', function() {
       expect(dependencyPackages['something-else']).to.exist;
     });
 
-    // TODO: the input to this test is poluted by other tests: https://github.com/ember-cli/ember-cli/issues/7981
+    // TODO: the input to this test is polluted by other tests: https://github.com/ember-cli/ember-cli/issues/7981
     it.skip('shows projectPackageInfo has 8 devDependencyPackages', function() {
       let devDependencyPackages = projectPackageInfo.devDependencyPackages;
       expect(devDependencyPackages).to.exist;
@@ -165,7 +165,7 @@ describe('models/package-info-cache/package-info-cache-test.js', function() {
       expect(internalAddons.length).to.equal(7);
     });
 
-    // TODO: the input to this test is poluted by other tests: https://github.com/ember-cli/ember-cli/issues/7981
+    // TODO: the input to this test is polluted by other tests: https://github.com/ember-cli/ember-cli/issues/7981
     it.skip('shows projectPackageInfo has 9 node-module entries', function() {
       let nodeModules = projectPackageInfo.nodeModules;
       expect(nodeModules).to.exist;

tests/unit/utilities/ember-app-utils-test.js

@@ -191,7 +191,7 @@ describe('ember-app-utils', function() {
       it('returns application bootstrap snippet by default', function() {
         let output = contentFor(config, defaultMatch, 'app-boot', defaultOptions);
 
-        expect(output, 'includes applicaton bootstrap snippet').to.contain(
+        expect(output, 'includes application bootstrap snippet').to.contain(
           'require("cool-foo/app")["default"].create({});'
         );
       });
@@ -200,7 +200,7 @@ describe('ember-app-utils', function() {
         let options = Object.assign({}, defaultOptions, { isModuleUnification: true });
         let output = contentFor(config, defaultMatch, 'app-boot', options);
 
-        expect(output, 'includes applicaton bootstrap snippet').to.contain(
+        expect(output, 'includes application bootstrap snippet').to.contain(
           'require("cool-foo/src/main")["default"].create({});'
         );
       });
@@ -209,7 +209,7 @@ describe('ember-app-utils', function() {
         let options = Object.assign({}, defaultOptions, { autoRun: false });
         let output = contentFor(config, defaultMatch, 'app-boot', options);
 
-        expect(output, 'includes applicaton bootstrap snippet').to.equal('');
+        expect(output, 'includes application bootstrap snippet').to.equal('');
       });
     });