refactor(dev-infra): move `parseCommitMessagesForRange` into the parse file (#39747)

When attempting to actually rely on `parseCommitMessagesForRange`, it became apparent
that the function really belongs in the parse file, rather than utils.

PR Close #39747

dev-infra/commit-message/parse.ts

@@ -6,6 +6,8 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+import {exec} from '../utils/shelljs';
+
 /** A parsed commit message. */
 export interface ParsedCommitMessage {
   header: string;
@@ -75,3 +77,30 @@ export function parseCommitMessage(commitMsg: string): ParsedCommitMessage {
     isRevert: REVERT_PREFIX_RE.test(commitMsg),
   };
 }
+
+/** Retrieve and parse each commit message in a provide range. */
+export function parseCommitMessagesForRange(range: string): ParsedCommitMessage[] {
+  /** A random number used as a split point in the git log result. */
+  const randomValueSeparator = `${Math.random()}`;
+  /**
+   * Custom git log format that provides the commit header and body, separated as expected with the
+   * custom separator as the trailing value.
+   */
+  const gitLogFormat = `%s%n%n%b${randomValueSeparator}`;
+
+  // Retrieve the commits in the provided range.
+  const result = exec(`git log --reverse --format=${gitLogFormat} ${range}`);
+  if (result.code) {
+    throw new Error(`Failed to get all commits in the range:\n  ${result.stderr}`);
+  }
+
+  return result
+      // Separate the commits from a single string into individual commits.
+      .split(randomValueSeparator)
+      // Remove extra space before and after each commit message.
+      .map(l => l.trim())
+      // Remove any superfluous lines which remain from the split.
+      .filter(line => !!line)
+      // Parse each commit message.
+      .map(commit => parseCommitMessage(commit));
+}

dev-infra/commit-message/utils.ts

@@ -1,38 +0,0 @@
-/**
- * @license
- * Copyright Google LLC All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.io/license
- */
-
-import {exec} from '../utils/shelljs';
-
-import {parseCommitMessage, ParsedCommitMessage} from './parse';
-
-/** Retrieve and parse each commit message in a provide range. */
-export function parseCommitMessagesForRange(range: string): ParsedCommitMessage[] {
-  /** A random number used as a split point in the git log result. */
-  const randomValueSeparator = `${Math.random()}`;
-  /**
-   * Custom git log format that provides the commit header and body, separated as expected with the
-   * custom separator as the trailing value.
-   */
-  const gitLogFormat = `%s%n%n%b${randomValueSeparator}`;
-
-  // Retrieve the commits in the provided range.
-  const result = exec(`git log --reverse --format=${gitLogFormat} ${range}`);
-  if (result.code) {
-    throw new Error(`Failed to get all commits in the range:\n  ${result.stderr}`);
-  }
-
-  return result
-      // Separate the commits from a single string into individual commits.
-      .split(randomValueSeparator)
-      // Remove extra space before and after each commit message.
-      .map(l => l.trim())
-      // Remove any superfluous lines which remain from the split.
-      .filter(line => !!line)
-      // Parse each commit message.
-      .map(commit => parseCommitMessage(commit));
-}

dev-infra/commit-message/validate-range/validate-range.ts

@@ -7,8 +7,7 @@
  */
 import {error, info} from '../../utils/console';
 
-import {ParsedCommitMessage} from '../parse';
-import {parseCommitMessagesForRange} from '../utils';
+import {parseCommitMessagesForRange, ParsedCommitMessage} from '../parse';
 import {printValidationErrors, validateCommitMessage, ValidateCommitMessageOptions} from '../validate';
 
 // Whether the provided commit is a fixup commit.