Fix comment typos

Summary: Closes facebook/react-native#7901

Differential Revision: D3384624

Pulled By: javache

fbshipit-source-id: 741343dec5406af1855624069dd8dc426a93bdb3

bundle/output/unbundle/util.js

@@ -17,7 +17,7 @@ function lineToLineSourceMap(source, filename) {
   const firstLine = 'AAAA;';
 
   // Most other lines in our mappings are all zeros (for module, column etc)
-  // except for the lineno mappinp: curLineno - prevLineno = 1; Which is C.
+  // except for the lineno mapping: curLineno - prevLineno = 1; Which is C.
   const line = 'AACA;';
 
   return {

rnpm/link/src/groupFilesByType.js

@@ -2,7 +2,7 @@ const groupBy = require('lodash').groupBy;
 const mime = require('mime');
 
 /**
- * Since there are no officialy registered MIME types
+ * Since there are no officially registered MIME types
  * for ttf/otf yet http://www.iana.org/assignments/media-types/media-types.xhtml,
  * we define two non-standard ones for the sake of parsing
  */

upgrade/upgrade.js

@@ -45,7 +45,7 @@ module.exports = function upgrade(args, config) {
             )
           );
 
-          // >= v0.21.0, we require react to be a peer depdendency
+          // >= v0.21.0, we require react to be a peer dependency
           if (semver.gte(v, '0.21.0') && !pak.dependencies['react']) {
             console.log(
               chalk.yellow(

util/isPackagerRunning.js

@@ -11,12 +11,12 @@
 const fetch = require('node-fetch');
 
 /**
- * Indicates whether or not the packager is running. It ruturns a promise that
+ * Indicates whether or not the packager is running. It returns a promise that
  * when fulfilled can returns one out of these possible values:
  *   - `running`: the packager is running
  *   - `not_running`: the packager nor any process is running on the expected
  *                    port.
- *   - `unrecognized`: one other process is running on the port ew expect the
+ *   - `unrecognized`: one other process is running on the port we expect the
  *                     packager to be running.
  */
 function isPackagerRunning() {

util/parseCommandLine.js

@@ -7,7 +7,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * Wrapper on-top of `optimist` in order to properly support boolean flags
- * and have a slightly less akward API.
+ * and have a slightly less awkward API.
  *
  * Usage example:
  *   var argv = parseCommandLine([{