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Zhongwei Li
468
skills/typo3-conformance/references/composer-validation.md
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468
skills/typo3-conformance/references/composer-validation.md
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# Composer.json Validation Standards (TYPO3 v13)
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**Source:** TYPO3 Core API Reference v13.4 - FileStructure/ComposerJson.html
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**Purpose:** Complete validation rules for composer.json in TYPO3 extensions
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## Mandatory Fields
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### name
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**Format:** `<vendor>/<dashed-extension-key>`
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**Examples:**
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```json
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"name": "vendor-name/my-extension"
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"name": "johndoe/some-extension"
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```
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**Validation:**
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```bash
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jq -r '.name' composer.json | grep -E '^[a-z0-9-]+/[a-z0-9-]+$' && echo "✅ Valid" || echo "❌ Invalid format"
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```
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### type
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**Required Value:** `typo3-cms-extension` (for third-party extensions)
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**Validation:**
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```bash
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jq -r '.type' composer.json | grep -q "typo3-cms-extension" && echo "✅ Correct type" || echo "❌ Wrong type"
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```
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### description
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**Format:** Single-line summary describing what the extension does
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**Requirements:**
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- Clear, concise description of extension functionality
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- Should identify the vendor/company for professional extensions
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- Avoid vague descriptions like "An extension" or "Utility tools"
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**Good Examples:**
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```json
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"description": "Adds image support to CKEditor5 RTE - by Netresearch"
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"description": "TYPO3 extension for advanced content management by Vendor GmbH"
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"description": "Provides custom form elements for newsletter subscription"
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```
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**Bad Examples:**
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```json
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"description": "Extension" // Too vague
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"description": "Some tools" // Meaningless
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"description": "" // Empty
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```
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**Validation:**
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```bash
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# Check description exists and is not empty
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jq -r '.description' composer.json | grep -q . && echo "✅ Has description" || echo "❌ Missing description"
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# Check description length (should be meaningful, >20 chars)
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DESC_LEN=$(jq -r '.description | length' composer.json)
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[[ $DESC_LEN -gt 20 ]] && echo "✅ Description is meaningful" || echo "⚠️ Description too short"
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```
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### license
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**Recommended:** `GPL-2.0-only` or `GPL-2.0-or-later`
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**Validation:**
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```bash
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jq -r '.license' composer.json | grep -qE "GPL-2.0-(only|or-later)" && echo "✅ GPL license" || echo "⚠️ Check license"
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```
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### require
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**Minimum:** Must specify `typo3/cms-core` with version constraints
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**Version Constraint Format:**
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- `^12.4 || ^13.4` - Multiple major versions (recommended for v12/v13 compat)
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- `^12.4` - Single major version
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- `>=12.4` ❌ - NO upper bound (not recommended)
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**Validation:**
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```bash
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# Check typo3/cms-core present
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jq -r '.require["typo3/cms-core"]' composer.json | grep -q . && echo "✅ TYPO3 core required" || echo "❌ Missing typo3/cms-core"
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# Check for upper bound (^ or specific upper version)
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jq -r '.require["typo3/cms-core"]' composer.json | grep -qE '(\^|[0-9]+\.[0-9]+\.[0-9]+-[0-9]+\.[0-9]+\.[0-9]+)' && echo "✅ Has upper bound" || echo "⚠️ Missing upper bound"
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```
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### autoload
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**Format:** PSR-4 mapping to Classes/ directory
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**Example:**
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```json
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"autoload": {
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"psr-4": {
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"Vendor\\ExtensionName\\": "Classes/"
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}
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}
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```
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**Validation:**
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```bash
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jq -r '.autoload["psr-4"]' composer.json | grep -q "Classes" && echo "✅ PSR-4 autoload configured" || echo "❌ Missing autoload"
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```
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### extra.typo3/cms.extension-key
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**Required:** Maps to underscored extension key
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**Example:**
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```json
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"extra": {
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"typo3/cms": {
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"extension-key": "my_extension"
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}
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}
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```
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**Validation:**
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```bash
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jq -r '.extra."typo3/cms"."extension-key"' composer.json | grep -q . && echo "✅ Extension key defined" || echo "❌ Missing extension-key"
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```
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---
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## Recommended Fields (Professional Extensions)
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### authors
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**Format:** Array of author objects with name, email, role, homepage
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**Example:**
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```json
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"authors": [
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{
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"name": "Developer Name",
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"email": "developer@company.com",
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"role": "Developer",
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"homepage": "https://www.company.com/"
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}
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]
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```
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**Required Sub-Fields:**
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| Field | Format | Purpose |
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|-------|--------|---------|
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| `name` | String | Developer's full name |
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| `email` | Email address | Contact email |
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| `role` | String | `Developer`, `Maintainer`, `Lead Developer` |
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| `homepage` | URL | Company or personal website |
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**Validation:**
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```bash
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# Check authors array exists
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jq -r '.authors' composer.json | grep -q "name" && echo "✅ Has authors" || echo "⚠️ Missing authors"
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# Check authors have email
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jq -r '.authors[].email' composer.json | grep -q "@" && echo "✅ Has author emails" || echo "⚠️ Missing author emails"
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# Check authors have homepage
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jq -r '.authors[].homepage' composer.json | grep -q "http" && echo "✅ Has author homepage" || echo "⚠️ Missing author homepage"
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```
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### homepage
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**Format:** URL to project repository or documentation
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**Example:**
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```json
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"homepage": "https://github.com/vendor/extension-name"
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```
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**Validation:**
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```bash
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jq -r '.homepage' composer.json | grep -qE "^https?://" && echo "✅ Has homepage" || echo "⚠️ Missing homepage"
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```
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### support
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**Format:** Object with support channels
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**Example:**
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```json
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"support": {
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"issues": "https://github.com/vendor/extension/issues",
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"source": "https://github.com/vendor/extension"
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}
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```
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**Validation:**
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```bash
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jq -r '.support.issues' composer.json | grep -q "http" && echo "✅ Has issues URL" || echo "⚠️ Missing issues URL"
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```
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### keywords
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**Format:** Array of relevant keywords for discoverability
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**Example:**
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```json
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"keywords": [
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"TYPO3",
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"extension",
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"content",
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"management"
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]
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```
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**Validation:**
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```bash
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jq -r '.keywords | length' composer.json | grep -qE '^[1-9]' && echo "✅ Has keywords" || echo "⚠️ Missing keywords"
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```
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---
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## Complete Required Fields Checklist
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**Mandatory (MUST have):**
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- [ ] `name` - vendor/package format
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- [ ] `type` - must be `typo3-cms-extension`
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- [ ] `description` - clear, concise description
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- [ ] `license` - SPDX identifier (GPL-2.0-or-later, AGPL-3.0-or-later)
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- [ ] `require.typo3/cms-core` - with upper bound constraint
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- [ ] `require.php` - PHP version constraint
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- [ ] `autoload.psr-4` - mapping to Classes/
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- [ ] `extra.typo3/cms.extension-key` - underscored extension key
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**Recommended (SHOULD have):**
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- [ ] `authors` - with name, email, role, homepage
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- [ ] `homepage` - project repository URL
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- [ ] `support.issues` - issue tracker URL
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- [ ] `keywords` - for discoverability
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---
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## Deprecated Properties
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### replace with typo3-ter vendor
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**Status:** DEPRECATED - Legacy TER integration approach
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**Detection:**
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```bash
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jq -r '.replace' composer.json | grep -q "typo3-ter" && echo "⚠️ Deprecated: typo3-ter in replace" || echo "✅ No deprecated replace"
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```
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### replace with "ext_key": "self.version"
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**Status:** DEPRECATED - Legacy dependency specification
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**Detection:**
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```bash
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jq -r '.replace' composer.json | grep -qE '"[a-z_]+": "self.version"' && echo "⚠️ Deprecated: self.version replace" || echo "✅ No self.version"
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```
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---
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## TYPO3 v12-v13 Version Constraints
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### Recommended Format
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```json
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"require": {
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"typo3/cms-core": "^12.4 || ^13.4",
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"php": "^8.1"
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}
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```
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### PHP Version Constraints
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```json
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"require": {
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"php": "^8.1" // TYPO3 v12: PHP 8.1-8.4
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}
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```
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**Validation:**
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```bash
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# Check PHP constraint
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jq -r '.require.php' composer.json | grep -qE '\^8\.[1-4]' && echo "✅ Valid PHP constraint" || echo "⚠️ Check PHP version"
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```
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---
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## Synchronization with ext_emconf.php
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**Critical:** `composer.json` and `ext_emconf.php` must have matching dependency constraints.
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**Mapping:**
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| composer.json | ext_emconf.php |
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|--------------|----------------|
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| `require.typo3/cms-core` | `constraints.depends.typo3` |
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| `require.php` | `constraints.depends.php` |
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| `require.*` | `constraints.depends.*` |
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**Example Synchronization:**
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composer.json:
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```json
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"require": {
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"typo3/cms-core": "^12.4 || ^13.4",
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"php": "^8.1",
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"typo3/cms-fluid": "^12.4 || ^13.4"
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}
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```
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ext_emconf.php:
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```php
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'constraints' => [
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'depends' => [
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'typo3' => '12.4.0-13.4.99',
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'php' => '8.1.0-8.4.99',
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'fluid' => '12.4.0-13.4.99',
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],
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],
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```
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---
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## Complete Validation Script
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```bash
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#!/bin/bash
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# validate-composer.sh
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ERRORS=0
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echo "=== Composer.json Validation ===="
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# Check mandatory fields
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jq -r '.name' composer.json > /dev/null 2>&1 || { echo "❌ Missing 'name'"; ((ERRORS++)); }
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jq -r '.type' composer.json | grep -q "typo3-cms-extension" || { echo "❌ Wrong or missing 'type'"; ((ERRORS++)); }
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jq -r '.description' composer.json | grep -q . || { echo "❌ Missing 'description'"; ((ERRORS++)); }
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# Check description is meaningful (>20 chars)
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DESC_LEN=$(jq -r '.description | length' composer.json 2>/dev/null)
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[[ $DESC_LEN -lt 20 ]] && { echo "⚠️ Description too short (should be >20 chars)"; ((WARNINGS++)); }
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# Check typo3/cms-core
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jq -r '.require["typo3/cms-core"]' composer.json | grep -q . || { echo "❌ Missing typo3/cms-core"; ((ERRORS++)); }
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# Check version constraints have upper bounds
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jq -r '.require["typo3/cms-core"]' composer.json | grep -qE '(\^|[0-9]+\.[0-9]+\.[0-9]+-[0-9]+\.[0-9]+\.[0-9]+)' || { echo "⚠️ TYPO3 constraint missing upper bound"; ((ERRORS++)); }
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# Check autoload
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jq -r '.autoload["psr-4"]' composer.json | grep -q "Classes" || { echo "❌ Missing PSR-4 autoload"; ((ERRORS++)); }
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# Check extension-key
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jq -r '.extra."typo3/cms"."extension-key"' composer.json | grep -q . || { echo "❌ Missing extension-key"; ((ERRORS++)); }
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# Check for deprecated replace
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jq -r '.replace' composer.json 2>/dev/null | grep -q "typo3-ter\|self.version" && echo "⚠️ Deprecated replace property found"
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echo ""
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echo "Validation complete: $ERRORS critical errors"
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exit $ERRORS
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```
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---
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## Optional but Recommended Fields
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### require-dev
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**Purpose:** Development dependencies not needed in production
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**Example:**
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```json
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"require-dev": {
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"typo3/coding-standards": "^0.7",
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"phpstan/phpstan": "^1.10",
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"phpunit/phpunit": "^10.0"
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}
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```
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### suggest
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**Purpose:** Optional packages that enhance functionality
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**Example:**
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```json
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"suggest": {
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"typo3/cms-filelist": "For file browser functionality",
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"typo3/cms-reactions": "For webhook support"
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}
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```
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---
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## Best Practices
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1. **Packagist Publication:** Publishing to Packagist makes extensions available in TYPO3 Extension Repository automatically
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2. **Documentation Rendering:** `composer.json` is **REQUIRED** for extensions with documentation on docs.typo3.org
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3. **Version Constraint Strategy:**
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- Use `^` for flexible upper bounds
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- Specify both major version ranges for v12/v13 compatibility
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- Always include upper bounds (avoid `>=` without upper limit)
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4. **Namespace Alignment:** PSR-4 namespace should match vendor/extension structure
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5. **Composer Priority:** Composer-based installations prioritize `composer.json` over `ext_emconf.php` for dependency resolution
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---
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## Common Violations and Fixes
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### Missing extra.typo3/cms.extension-key
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❌ **Before:**
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```json
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{
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"name": "vendor/my-extension",
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"type": "typo3-cms-extension"
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}
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```
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✅ **After:**
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```json
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{
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"name": "vendor/my-extension",
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"type": "typo3-cms-extension",
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"extra": {
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"typo3/cms": {
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"extension-key": "my_extension"
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}
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}
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}
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```
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### Version Constraint Without Upper Bound
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❌ **Before:**
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```json
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"require": {
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"typo3/cms-core": ">=12.4"
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}
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```
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✅ **After:**
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```json
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"require": {
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"typo3/cms-core": "^12.4 || ^13.4"
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}
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```
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### Deprecated replace Property
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❌ **Before:**
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```json
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"replace": {
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"typo3-ter/my-extension": "self.version"
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}
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```
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✅ **After:**
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```json
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// Remove replace property entirely
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```
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---
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## Additional Validation Commands
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### Check all required dependencies have upper bounds
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```bash
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jq -r '.require | to_entries[] | select(.value | test(">=") and (test("\\^") | not)) | .key' composer.json
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```
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### Verify package type
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```bash
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jq -r '.type' composer.json | grep -q "typo3-cms-extension" && echo "✅" || echo "❌ Wrong package type"
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```
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### Check PSR-4 namespace format
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```bash
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jq -r '.autoload["psr-4"] | keys[]' composer.json | grep -E '^[A-Z][a-zA-Z0-9]*\\\\[A-Z][a-zA-Z0-9]*\\\\$' && echo "✅ Valid namespace" || echo "⚠️ Check namespace format"
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```
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### Validate JSON syntax
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```bash
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jq . composer.json > /dev/null && echo "✅ Valid JSON" || echo "❌ JSON syntax error"
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```
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