feature: @putout/operator-match-files: add support of filename

Author: coderaiser

packages/operator-match-files/README.md

@@ -101,7 +101,7 @@ module.exports = matchFiles({
 });
 ```
 
-### Exclude
+### `exclude`
 
 If you want to exclude some files, use:
 
@@ -138,6 +138,23 @@ module.exports = matchFiles({
 });
 ```
 
+### `filename`
+
+You can pass default `filename`, so when no options provided it will be used.
+
+```js
+const {operator} = require('putout');
+const {matchFiles} = operator;
+const updateTSConfig = require('../update-tsconfig');
+
+module.exports = matchFiles({
+    filename: '*.d.ts',
+    files: {
+        '__name.ts -> __name.js': updateTSConfig,
+    },
+});
+```
+
 ## License
 
 MIT

packages/operator-match-files/lib/match-files.js

@@ -26,12 +26,14 @@ const {entries} = Object;
 const report = (path, {message}) => message;
 
 module.exports.matchFiles = (options) => {
+    const {filename} = options;
     const files = options.files ?? options;
     const exclude = options.exclude ?? [];
 
     check(files);
 
     const scan = createScan({
+        defaultFilename: filename,
         files,
         exclude,
     });
@@ -60,10 +62,12 @@ function fix(inputFile, {dirPath, matchInputFilename, outputFilename, matchedJS,
         removeFile(inputFile);
 }
 
-const createScan = ({files, exclude}) => (mainPath, {push, progress, options}) => {
+const createScan = ({files, exclude, defaultFilename}) => (mainPath, {push, progress, options}) => {
     const allFiles = [];
     const cwd = getFilename(mainPath);
 
+    options.filename = options.filename ?? defaultFilename;
+    
     for (const [filename, rawOptions] of entries(files)) {
         const [matchInputFilenameMask] = parseMatcher(filename, options);
         const inputFiles = findFile(mainPath, matchInputFilenameMask, exclude);

packages/operator-match-files/lib/match-files.spec.js

@@ -515,6 +515,44 @@ test('putout: operator: match-files: __name', (t) => {
     t.end();
 });
 
+test('putout: operator: match-files: default filename', (t) => {
+    const source = stringify(['/', [
+        '/.eslintrc.js',
+        '{}',
+    ]]);
+    
+    const jsSource = toJS(source, __filesystem);
+    const ast = parse(jsSource);
+    
+    transform(ast, jsSource, {
+        plugins: [
+            ['match-files', matchFiles({
+                filename: '*.js',
+                files: {
+                    '__name.js -> __name.jsx': {
+                        report: () => '',
+                        fix: noop,
+                        include: () => ['Program'],
+                    },
+                },
+            })],
+        ],
+    });
+    
+    const result = JSON.parse(fromJS(
+        print(ast),
+        __filesystem,
+    ));
+    
+    const expected = ['/', [
+        '/.eslintrc.jsx',
+        'e30K',
+    ]];
+    
+    t.deepEqual(result, expected);
+    t.end();
+});
+
 test('putout: operator: match-files: __name: dot', (t) => {
     const source = stringify(['/', [
         '/index.mjs',