fix: migrate to use jest-watcher (#6)

Closes #3

.babelrc

@@ -5,7 +5,7 @@
       {
         "useBuiltIns": true,
         "targets": {
-          "node": "4"
+          "node": "6"
         }
       }
     ],

package.json

@@ -24,9 +24,8 @@
     "format": "prettier --single-quote --trailing-comma all --write \"!(build)/**/*.js\""
   },
   "dependencies": {
-    "ansi-escapes": "^3.0.0",
     "chalk": "^2.3.1",
-    "lodash": "4.17.5",
+    "jest-watcher": "^23.1.0",
     "slash": "^1.0.0",
     "string-length": "^2.0.0",
     "strip-ansi": "^4.0.0"

src/file_name_pattern_prompt.js

@@ -2,19 +2,21 @@
 
 import chalk from 'chalk';
 import stringLength from 'string-length';
+import {
+  Prompt,
+  PatternPrompt,
+  printPatternCaret,
+  printRestoredPatternCaret,
+} from 'jest-watcher';
 import { highlight, getTerminalWidth, trimAndFormatPath } from './lib/utils';
-import Prompt from './shared/Prompt';
 import {
   formatTypeaheadSelection,
   printMore,
-  printPatternCaret,
   printPatternMatches,
-  printRestoredPatternCaret,
   printStartTyping,
   printTypeaheadItem,
 } from './shared/pattern_mode_helpers';
 import scroll, { type ScrollOptions } from './shared/scroll';
-import PatternPrompt from './shared/pattern_prompt';
 import type { ProjectConfig } from './types/Config';
 
 export type SearchSources = Array<{|
@@ -52,7 +54,7 @@ export default class FileNamePatternPrompt extends PatternPrompt {
       const width = getTerminalWidth();
       const { start, end, index } = scroll(total, options);
 
-      prompt.setTypeaheadLength(total);
+      prompt.setPromptLength(total);
 
       matchedTests
         .slice(start, end)

src/file_name_plugin.js

@@ -1,6 +1,6 @@
 // @flow
 
-import Prompt from './shared/Prompt';
+import { Prompt } from 'jest-watcher';
 import FileNamePatternPrompt, {
   type SearchSources,
 } from './file_name_pattern_prompt';

src/lib/__tests__/utils.test.js

@@ -0,0 +1,10 @@
+import stripAnsi from 'strip-ansi';
+import { trimAndFormatPath } from '../utils';
+
+test('trimAndFormatPath', () => {
+  expect(
+    stripAnsi(
+      trimAndFormatPath(2, { cwd: '/hello/there' }, '/hello/there/to/you', 80),
+    ),
+  ).toEqual('to/you');
+});