feat(create-cli): support config file format selection by hanna-skryl · Pull Request #1250 · code-pushup/cli

hanna-skryl · 2026-02-24T21:34:30Z

Config file format selection is added to the setup wizard. The wizard now prompts users to choose between TypeScript and JavaScript, with the default auto-detected from the filesystem based on tsconfig presence. A --config-format CLI option allows skipping the prompt.

nx-cloud · 2026-02-24T21:35:30Z

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☁️ Nx Cloud last updated this comment at 2026-02-24 21:51:14 UTC

nx-cloud · 2026-02-24T21:35:31Z

View your CI Pipeline Execution ↗ for commit f4b3065

Command	Status	Duration	Result
`nx run ci:code-pushup -- merge-diffs --files=/h...`	✅ Succeeded	5s	View ↗
`nx run-many --targets=code-pushup --parallel=fa...`	✅ Succeeded	1m 32s	View ↗
`nx run-many --targets=code-pushup --parallel=fa...`	✅ Succeeded	13m 15s	View ↗
`nx run-many -t unit-test,int-test`	✅ Succeeded	1m 59s	View ↗

☁️ Nx Cloud last updated this comment at 2026-02-24 21:51:45 UTC

pkg-pr-new · 2026-02-24T21:36:18Z

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@code-pushup/core

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commit: f4b3065

github-actions · 2026-02-24T21:46:13Z

Code PushUp

🤨 Code PushUp report has both improvements and regressions – compared current commit b8dec18 with previous commit d27a23a.

🕵️ See full comparison in Code PushUp portal 🔍

🏷️ Categories

🏷️ Category	⭐ Previous score	⭐ Current score	🔄 Score change
Security	🔴 0	🔴 9
Performance	🔴 47	🔴 38
Code coverage	🟢 93	🟢 93
Documentation	🟡 51	🟡 51
Bug prevention	🟡 75	🟡 75
Axe Accessibility	🟡 88	🟡 88
Code style	🟢 100	🟢 100	–
Updates	🟡 73	🟡 73	–
Type Safety	🟡 67	🟡 67	–
Miscellaneous	🟡 67	🟡 67	–
Accessibility	🟢 92	🟢 92	–
Best Practices	🟢 97	🟢 97	–
SEO	🟢 92	🟢 92	–

👍 3 groups improved, 👎 1 group regressed, 👍 6 audits improved, 👎 9 audits regressed, 12 audits changed without impacting score

🗃️ Groups

🔌 Plugin	🗃️ Group	⭐ Previous score	⭐ Current score
JS packages	npm audit	🔴 0	🔴 9
Lighthouse	Performance	🔴 47	🔴 38
Code coverage	Code coverage metrics	🟢 93	🟢 93
JSDocs coverage	Documentation coverage	🟡 51	🟡 51

30 other groups are unchanged.

🛡️ Audits

🔌 Plugin	🛡️ Audit	📏 Previous value	📏 Current value
Lighthouse	Initial server response time was short	🟩 Root document took 530 ms	🟥 Root document took 630 ms
Lighthouse	Reduce unused JavaScript	🟨 Potential savings of 256 KiB	🟥 Potential savings of 233 KiB
Lighthouse	Remove duplicate modules in JavaScript bundles	🟨 Potential savings of 80 KiB	🟥 Potential savings of 78 KiB
Lighthouse	Largest Contentful Paint	🟥 4.4 s	🟥 8.1 s
JS packages	Vulnerabilities for npm prod dependencies.	🟥 22 vulnerabilities (13 high, 3 moderate, 6 low)	🟥 16 vulnerabilities (6 high, 3 moderate, 7 low)
Lighthouse	First Contentful Paint	🟨 3.0 s	🟥 3.2 s
Lighthouse	Speed Index	🟥 6.2 s	🟥 6.7 s
Lighthouse	Total Blocking Time	🟥 1,820 ms	🟥 1,380 ms
Lighthouse	Time to Interactive	🟥 13.5 s	🟥 14.1 s
JSDocs coverage	Functions coverage	🟥 590 undocumented functions	🟥 596 undocumented functions
JSDocs coverage	Types coverage	🟥 275 undocumented types	🟥 277 undocumented types
Code coverage	Branch coverage	🟨 89.2 %	🟨 89.3 %
JSDocs coverage	Variables coverage	🟥 271 undocumented variables	🟥 272 undocumented variables
Code coverage	Function coverage	🟩 94.5 %	🟩 94.5 %
Code coverage	Line coverage	🟩 92.7 %	🟩 92.7 %
Lighthouse	Avoids enormous network payloads	🟩 Total size was 2,138 KiB	🟩 Total size was 2,129 KiB
Lighthouse	Minimizes main-thread work	🟥 10.5 s	🟥 8.3 s
Lighthouse	JavaScript execution time	🟥 3.6 s	🟥 2.8 s
Lighthouse	Server Backend Latencies	🟩 1,270 ms	🟩 550 ms
Lighthouse	Metrics	🟩 100%	🟩 100%
Lighthouse	Uses efficient cache policy on static assets	🟨 31 resources found	🟨 31 resources found
Lighthouse	Max Potential First Input Delay	🟥 1,110 ms	🟥 850 ms
Lighthouse	Reduce unused CSS	🟥 Potential savings of 79 KiB	🟥 Potential savings of 110 KiB
Lighthouse	Network Round Trip Times	🟩 40 ms	🟩 70 ms
JS packages	Vulnerabilities for npm dev dependencies.	🟥 81 vulnerabilities (3 critical, 65 high, 10 moderate, 3 low)	🟥 51 vulnerabilities (3 critical, 33 high, 11 moderate, 4 low)
Lighthouse	Avoids an excessive DOM size	🟥 2,363 elements	🟥 2,368 elements
Axe	ARIA hidden element must not be focusable or contain focusable elements	🟩 202 elements	🟩 203 elements

651 other audits are unchanged.

github-actions · 2026-02-24T21:51:14Z

Code PushUp

🤨 Code PushUp report has both improvements and regressions – compared current commit b8dec18 with previous commit d27a23a.

💼 Project `create-cli`

🤨 Code PushUp report has both improvements and regressions.

🕵️ See full comparison in Code PushUp portal 🔍

🏷️ Category	⭐ Previous score	⭐ Current score	🔄 Score change
Documentation	🔴 19	🔴 22
Code coverage	🟢 98	🟢 98

4 other categories are unchanged.

👍 2 groups improved, 👍 3 audits improved, 👎 1 audit regressed, 1 audit changed without impacting score

🗃️ Groups

🔌 Plugin	🗃️ Group	⭐ Previous score	⭐ Current score	🔄 Score change
JSDocs coverage	Documentation coverage	🔴 19	🔴 22
Code coverage	Code coverage metrics	🟢 98	🟢 98

13 other groups are unchanged.

🛡️ Audits

🔌 Plugin	🛡️ Audit	📏 Previous value	📏 Current value
JSDocs coverage	Functions coverage	🟥 11 undocumented functions	🟥 17 undocumented functions
Code coverage	Branch coverage	🟩 92.9 %	🟩 94.1 %
JSDocs coverage	Types coverage	🟥 12 undocumented types	🟥 14 undocumented types
Code coverage	Line coverage	🟩 98.5 %	🟩 98.9 %
JSDocs coverage	Variables coverage	🟥 3 undocumented variables	🟥 4 undocumented variables

438 other audits are unchanged.

💼 Project `utils`

🥳 Code PushUp report has improved.

🕵️ See full comparison in Code PushUp portal 🔍

🏷️ Category	⭐ Previous score	⭐ Current score	🔄 Score change
Documentation	🟡 60	🟡 60

5 other categories are unchanged.

👍 1 group improved

🗃️ Groups

🔌 Plugin	🗃️ Group	⭐ Previous score	⭐ Current score	🔄 Score change
JSDocs coverage	Documentation coverage	🟡 60	🟡 60

14 other groups are unchanged.

🛡️ Audits

All of 444 audits are unchanged.

💼 Project `plugin-lighthouse`

🤨 Code PushUp report has both improvements and regressions.

🕵️ See full comparison in Code PushUp portal 🔍

All of 6 categories are unchanged.

1 audit changed without impacting score

🗃️ Groups

All of 15 groups are unchanged.

🛡️ Audits

🔌 Plugin	🛡️ Audit	📏 Previous value	📏 Current value	🔄 Value change
Code coverage	Branch coverage	🟩 98.8 %	🟩 98.8 %

443 other audits are unchanged.

11 other projects are unchanged.

matejchalk · 2026-02-25T09:30:57Z

packages/create-cli/src/lib/setup/config-format.ts

+function isConfigFileFormat(
+  value: string | undefined,
+): value is ConfigFileFormat {
+  return value === 'ts' || value === 'js' || value === 'mjs';


When you need a union with runtime validation, it's usually better to have a runtime constant as the source of truth. That allows you to derive both the type and the runtime validation from the same set of values. Otherwise, you have to keep them in sync without any help from TypeScript.

source of truth:

export const CONFIG_FILE_FORMATS = ['ts', 'js', 'mjs'] as const;

derived type:

export type ConfigFileFormat = (typeof CONFIG_FILE_FORMATS)[number];

derived runtime validation:

Suggested change

return value === 'ts' || value === 'js' || value === 'mjs';

const validValues: readonly string[] = CONFIG_FILE_FORMATS;

return value != null && validValues.includes(value);

feat(create-cli): support config file format selection

f4b3065

hanna-skryl self-assigned this Feb 24, 2026

github-actions bot added 🔬 testing writing tests 🧩 create-cli labels Feb 24, 2026

hanna-skryl marked this pull request as ready for review February 24, 2026 22:49

hanna-skryl requested review from BioPhoton and matejchalk February 24, 2026 22:50

matejchalk reviewed Feb 25, 2026

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feat(create-cli): support config file format selection#1250

feat(create-cli): support config file format selection#1250
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config-file-format-selection

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	return value === 'ts' \|\| value === 'js' \|\| value === 'mjs';
	const validValues: readonly string[] = CONFIG_FILE_FORMATS;
	return value != null && validValues.includes(value);

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💼 Project `plugin-lighthouse`