Initial implementation

.editorconfig

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+[*]
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+

.gitattributes

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+* text=auto
+
+/cache export-ignore
+/tests export-ignore
+/.editorconfig export-ignore
+/.gitattributes export-ignore
+/.github export-ignore
+/.gitignore export-ignore
+/phpcs.xml.dist export-ignore
+/phpstan.neon.dist export-ignore
+/phpunit.xml.dist export-ignore

.github/workflows/checks.yml

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+name: Checks
+on:
+    pull_request:
+    push:
+        branches:
+            - master
+jobs:
+    checks:
+        runs-on: ubuntu-latest
+        strategy:
+            fail-fast: false
+        steps:
+            -
+                name: Checkout code
+                uses: actions/checkout@v4
+            -
+                name: Setup PHP
+                uses: shivammathur/setup-php@v2
+                with:
+                    php-version: 8.4
+            -
+                name: Install dependencies
+                run: composer install --no-progress --prefer-dist --no-interaction
+
+            -
+                name: Run checks
+                run: composer check
+
+    tests:
+        runs-on: ubuntu-latest
+        strategy:
+            fail-fast: false
+            matrix:
+                php-version: [ '8.1', '8.2', '8.3', '8.4' ]
+                dependency-version: [ prefer-lowest, prefer-stable ]
+        steps:
+            -
+                name: Checkout code
+                uses: actions/checkout@v4
+            -
+                name: Setup PHP
+                uses: shivammathur/setup-php@v2
+                with:
+                    php-version: ${{ matrix.php-version }}
+            -
+                name: Update dependencies
+                run: composer update --no-progress --${{ matrix.dependency-version }} --no-interaction
+            -
+                name: Run tests
+                run: composer check:tests

.gitignore

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+/vendor
+/cache/*
+!/cache/.gitkeep
+/.idea
+/phpstan.neon
+/composer.lock

README.md

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+# PHPStan error ignore inliner
+
+Allows you to easily **inline ignore your PHPStan errors** via `@phpstan-ignore` comment.
+
+So instead of:
+
+```neon
+parameters:
+    ignoreErrors:
+        -
+            message: '#^Construct empty\(\) is not allowed\. Use more strict comparison\.$#'
+            identifier: empty.notAllowed
+            path: ../src/App/User.php
+            count: 1
+```
+
+You will have the ignored error directly in the source code `src/App/User.php`:
+
+```php
+class User {
+
+    public function updateSurname(string $surname): void
+    {
+        if (empty($surname)) { // @phpstan-ignore empty.notAllowed
+            throw new EmptyNameException();
+        }
+    }
+
+}
+```
+
+## Installation:
+
+```sh
+composer require --dev shipmonk/phpstan-ignore-inliner
+```
+
+## Usage
+
+```sh
+vendor/bin/phpstan --error-format=json | vendor/bin/inline-phpstan-ignores
+```
+
+## Contributing
+- Check your code by `composer check`
+- Autofix coding-style by `composer fix:cs`
+- All functionality must be tested

bin/inline-phpstan-ignores

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+#!/usr/bin/env php
+<?php declare(strict_types=1);
+
+namespace ShipMonk\PHPStan\Errors;
+
+use JsonException;
+
+$autoloadFiles = [
+    __DIR__ . '/../../../autoload.php',
+    __DIR__ . '/../vendor/autoload.php',
+];
+
+foreach ($autoloadFiles as $autoloadFile) {
+    if (file_exists($autoloadFile)) {
+        require_once $autoloadFile;
+        break;
+    }
+}
+
+$usage = "\n\nUsage:\n$ vendor/bin/phpstan --error-format=json | vendor/bin/inline-phpstan-ignores\n";
+
+try {
+    $io = new Io();
+    $input = $io->readInput();
+    $errorsData = json_decode($input, associative: true, flags: JSON_THROW_ON_ERROR);
+    $errors = $errorsData['files'] ?? throw new FailureException('No \'files\' key found on input JSON.');
+
+    $inliner = new InlineIgnoreInliner($io);
+    $inliner->inlineErrors($errors);
+
+    $errorsCount = count($errors);
+    echo "Done, $errorsCount errors processed.\n";
+
+} catch (JsonException | FailureException $e) {
+    echo $e->getMessage() . $usage;
+}

composer.json

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+{
+    "name": "shipmonk/phpstan-ignore-inliner",
+    "description": "Inline your PHPStan error ignores into the source files via @phpstan-ignore comments.",
+    "license": [
+        "MIT"
+    ],
+    "type": "phpstan-extension",
+    "keywords": [
+        "dev",
+        "phpstan",
+        "phpstan errors",
+        "phpstan extension",
+        "error identifier"
+    ],
+    "require": {
+        "php": "^8.1",
+        "phpstan/phpstan": "^2"
+    },
+    "require-dev": {
+        "editorconfig-checker/editorconfig-checker": "^10.7.0",
+        "ergebnis/composer-normalize": "2.47.0",
+        "phpstan/extension-installer": "^1.4.3",
+        "phpstan/phpstan-phpunit": "^2.0.6",
+        "phpstan/phpstan-strict-rules": "^2.0.4",
+        "phpunit/phpunit": "^10.5.46",
+        "shipmonk/phpstan-rules": "^4.1.2",
+        "slevomat/coding-standard": "^8.18.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "ShipMonk\\PHPStan\\Errors\\": "src/"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "ShipMonk\\PHPStan\\Errors\\": "tests/"
+        }
+    },
+    "bin": [
+        "bin/inline-phpstan-ignores"
+    ],
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": false,
+            "ergebnis/composer-normalize": true,
+            "phpstan/extension-installer": true
+        },
+        "sort-packages": true
+    },
+    "scripts": {
+        "check": [
+            "@check:composer",
+            "@check:ec",
+            "@check:cs",
+            "@check:types",
+            "@check:tests"
+        ],
+        "check:composer": [
+            "composer normalize --dry-run --no-check-lock --no-update-lock",
+            "composer validate --strict"
+        ],
+        "check:cs": "phpcs",
+        "check:ec": "ec src tests",
+        "check:tests": "phpunit tests",
+        "check:types": "phpstan analyse -vv --ansi",
+        "fix:cs": "phpcbf"
+    }
+}