feat: update resolver error messages to use colored output

[chenjiahan]

Summary

• add color utility functions (red, yellow, cyan) alongside dim
• update resolver error messages to use colored output for better visibility
• refactor dim function to return Display trait object instead of String

Before

After

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[netlify]

✅ Deploy Preview for rspack canceled.

Name	Link
🔨 Latest commit	547de6a
🔍 Latest deploy log	https://app.netlify.com/projects/rspack/deploys/692e9f66936d3700087b4f4e

[Copilot]

Pull request overview

This PR enhances error message visibility by introducing colored terminal output for resolver error messages. The changes refactor the color utility functions to return Display trait objects instead of Strings, add new color helpers (red, yellow, cyan), and apply colored formatting to resolver error messages.

• Refactored dim function to return impl Display + '_ instead of String, requiring API signature updates
• Added three new color utility functions (red, yellow, cyan) with the same Display trait return pattern
• Updated resolver error messages to use yellow for request names and cyan for context paths

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
crates/rspack_error/src/lib.rs	Exports new color functions (cyan, red, yellow) alongside existing dim function
crates/rspack_error/src/colors.rs	Refactors dim to return Display trait, adds red/yellow/cyan color utilities
crates/rspack_error/src/displayer/renderer/graphical.rs	Updates dim calls to pass references due to new signature
crates/rspack_core/src/diagnostics.rs	Updates dim call to pass reference for consistency
crates/rspack_core/src/resolver/resolver_impl.rs	Applies yellow and cyan colors to resolver error messages

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[github-actions]

Rsdoctor Bundle Diff Analysis

Found 5 project(s) in monorepo.

📁 react-10k

Path: ../build-tools-performance/cases/react-10k/dist/rsdoctor-data.json

📌 Baseline Commit: 8bcf8afd29 | PR: #12346

Metric	Current	Baseline	Change
📊 Total Size	5.7 MB	5.7 MB	0 B (0.0%)
📄 JavaScript	5.7 MB	5.7 MB	0 B (0.0%)
🎨 CSS	21.0 B	21.0 B	0 B (0.0%)
🌐 HTML	0 B	0 B	N/A
📁 Other Assets	0 B	0 B	N/A

📦 Download Diff Report: react-10k Bundle Diff

📁 react-1k

Path: ../build-tools-performance/cases/react-1k/dist/rsdoctor-data.json

📌 Baseline Commit: 8bcf8afd29 | PR: #12346

Metric	Current	Baseline	Change
📊 Total Size	822.6 KB	822.6 KB	0 B (0.0%)
📄 JavaScript	822.6 KB	822.6 KB	0 B (0.0%)
🎨 CSS	0 B	0 B	N/A
🌐 HTML	0 B	0 B	N/A
📁 Other Assets	0 B	0 B	N/A

📦 Download Diff Report: react-1k Bundle Diff

📁 react-5k

Path: ../build-tools-performance/cases/react-5k/dist/rsdoctor-data.json

📌 Baseline Commit: 8bcf8afd29 | PR: #12346

Metric	Current	Baseline	Change
📊 Total Size	2.7 MB	2.7 MB	0 B (0.0%)
📄 JavaScript	2.7 MB	2.7 MB	0 B (0.0%)
🎨 CSS	21.0 B	21.0 B	0 B (0.0%)
🌐 HTML	0 B	0 B	N/A
📁 Other Assets	0 B	0 B	N/A

📦 Download Diff Report: react-5k Bundle Diff

📁 rome

Path: ../build-tools-performance/cases/rome/dist/rsdoctor-data.json

📌 Baseline Commit: 8bcf8afd29 | PR: #12346

Metric	Current	Baseline	Change
📊 Total Size	984.3 KB	984.3 KB	0 B (0.0%)
📄 JavaScript	984.3 KB	984.3 KB	0 B (0.0%)
🎨 CSS	0 B	0 B	N/A
🌐 HTML	0 B	0 B	N/A
📁 Other Assets	0 B	0 B	N/A

📦 Download Diff Report: rome Bundle Diff

📁 ui-components

Path: ../build-tools-performance/cases/ui-components/dist/rsdoctor-data.json

⚠️ No baseline data found - Unable to perform comparison analysis

Metric	Current	Baseline	Change
📊 Total Size	2.1 MB	-	-
📄 JavaScript	2.0 MB	-	-
🎨 CSS	83.0 KB	-	-
🌐 HTML	0 B	-	-
📁 Other Assets	0 B	-	-

Generated by Rsdoctor GitHub Action

[github-actions]

📦 Binary Size-limit

Comparing 547de6a to chore(workflow): run diff CI on push events (#12346) by yifancong

❌ Size increased by 640bytes from 47.70MB to 47.70MB (⬆️0.00%)

[codspeed-hq]

CodSpeed Performance Report

Merging #12348 will not alter performance

_{Comparing resolver_errors_1202 (547de6a) with main (8bcf8af)}

Summary

✅ 17 untouched

[stormslowly]

@codex

[chatgpt-codex-connector]

Summary

• Clarified doc comments for the color helper functions (dim, red, yellow, cyan) to consistently describe their behavior when color output is supported. crates/rspack_error/src/colors.rsL5-L38

Testing

• Not run (not requested).

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