Move function to filter versions based on the diff requirements to `u…

…tils`

src/components/common/Diff/DiffComment.js

@@ -1,8 +1,6 @@
 import React from 'react'
 import styled from 'styled-components'
-import semver from 'semver'
-import { versions } from '../../../releases'
-import { removeAppPathPrefix } from '../../../utils'
+import { removeAppPathPrefix, getVersionsInDiff } from '../../../utils'
 import Markdown from '../Markdown'
 
 const Container = styled.div`
@@ -19,22 +17,14 @@ const LINE_CHANGE_TYPES = {
   NEUTRAL: 'N'
 }
 
-const releasedVersions = versions.map(version => ({
-  ...require(`../../../releases/${version}`).default,
-  version
-}))
-
 const getLineNumberWithType = ({ lineChangeType, lineNumber }) =>
   `${LINE_CHANGE_TYPES[lineChangeType.toUpperCase()]}${lineNumber}`
 
 const getComments = ({ newPath, fromVersion, toVersion }) => {
   const newPathSanitized = removeAppPathPrefix(newPath)
-  const cleanedToVersion = semver.valid(semver.coerce(toVersion))
 
-  const versionsInDiff = releasedVersions.filter(
-    ({ version, comments }) =>
-      semver.lte(version, cleanedToVersion) &&
-      semver.gt(version, fromVersion) &&
+  const versionsInDiff = getVersionsInDiff({ fromVersion, toVersion }).filter(
+    ({ comments }) =>
       comments.some(({ fileName }) => fileName === newPathSanitized)
   )
 

src/utils.js

@@ -1,4 +1,21 @@
+import semver from 'semver'
+import { versions } from './releases'
+
+const releasedVersions = versions.map(version => ({
+  ...require(`./releases/${version}`).default,
+  version
+}))
+
 export const RELEASES_URL =
   'https://raw.githubusercontent.com/react-native-community/rn-diff-purge/master/RELEASES'
 
 export const removeAppPathPrefix = path => path.replace(/RnDiffApp\//, '')
+
+export const getVersionsInDiff = ({ fromVersion, toVersion }) => {
+  const cleanedToVersion = semver.valid(semver.coerce(toVersion))
+
+  return releasedVersions.filter(
+    ({ version }) =>
+      semver.lte(version, cleanedToVersion) && semver.gt(version, fromVersion)
+  )
+}