feat(ourlogs): Strip ANSI escape codes (#89619)

ANSI codes make logs look like `[32mthis text is green` instead of just
`this text is green` - strip them for a better user experience.

Solves LOGS-40

Author: colin-sentry

static/app/utils/ansiEscapeCodes.spec.tsx

@@ -0,0 +1,27 @@
+import {stripAnsi} from 'sentry/utils/ansiEscapeCodes';
+
+describe('ansiEscapeCodes', () => {
+  it('removes ANSI color codes', () => {
+    const colored = '\x1b[31mThis is red text\x1b[0m';
+    expect(stripAnsi(colored)).toBe('This is red text');
+  });
+
+  it('removes multiple ANSI codes', () => {
+    const input = '\x1b[32mGreen\x1b[0m and \x1b[34mBlue\x1b[0m';
+    expect(stripAnsi(input)).toBe('Green and Blue');
+  });
+
+  it('returns the original string if there are no ANSI codes', () => {
+    const plain = 'Just a normal string.';
+    expect(stripAnsi(plain)).toBe(plain);
+  });
+
+  it('handles empty strings', () => {
+    expect(stripAnsi('')).toBe('');
+  });
+
+  it('handles strings with mixed characters and ANSI codes', () => {
+    const input = 'Hello \x1b[1mWorld\x1b[0m!';
+    expect(stripAnsi(input)).toBe('Hello World!');
+  });
+});

static/app/utils/ansiEscapeCodes.tsx

@@ -0,0 +1,10 @@
+/**
+ * Strips ANSI escape codes from a string
+ * @param input - The string potentially containing ANSI codes
+ * @returns The cleaned string without ANSI codes
+ */
+export function stripAnsi(input: string): string {
+  // eslint-disable-next-line no-control-regex
+  const ansiRegex = /\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~])/g;
+  return input.replace(ansiRegex, '');
+}

static/app/views/explore/logs/fieldRenderers.tsx

@@ -7,6 +7,7 @@ import Link from 'sentry/components/links/link';
 import {Tooltip} from 'sentry/components/tooltip';
 import type {Organization} from 'sentry/types/organization';
 import {defined} from 'sentry/utils';
+import {stripAnsi} from 'sentry/utils/ansiEscapeCodes';
 import type {EventsMetaType} from 'sentry/utils/discover/eventView';
 import {getFieldRenderer} from 'sentry/utils/discover/fieldRenderers';
 import {stripLogParamsFromLocation} from 'sentry/views/explore/contexts/logs/logsPageParams';
@@ -140,7 +141,7 @@ export function LogBodyRenderer(props: LogFieldRendererProps) {
   // TODO: Allow more than one highlight term to be highlighted at once.
   return (
     <WrappingText wrap={props.extra.wrapBody}>
-      <LogsHighlight text={highlightTerm}>{attribute_value}</LogsHighlight>
+      <LogsHighlight text={highlightTerm}>{stripAnsi(attribute_value)}</LogsHighlight>
     </WrappingText>
   );
 }