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4 changes: 3 additions & 1 deletion extension.js
Original file line number Diff line number Diff line change
Expand Up @@ -111,8 +111,10 @@ class PHPCBF {
const workspaceRoot = folder ? folder.uri.fsPath : null;
const filePath = document.fileName;
if (this.configSearch && workspaceRoot !== null && filePath !== undefined) {
// Priority matches PHP_CodeSniffer's own auto-detection order:
// https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/src/Config.php
const confFileNames = [
'.phpcs.xml', '.phpcs.xml.dist', 'phpcs.xml', 'phpcs.xml.dist',
'.phpcs.xml', 'phpcs.xml', '.phpcs.xml.dist', 'phpcs.xml.dist',
'phpcs.ruleset.xml', 'ruleset.xml',
];

Expand Down
35 changes: 35 additions & 0 deletions test/unit.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -103,4 +103,39 @@ describe("findFiles", () => {
const result = findFiles(path.join(tmpRoot, "single"), ".", "phpcs.xml");
assert.equal(result, expected);
});

// Verify that the PHPCS auto-detection priority is respected:
// .phpcs.xml > phpcs.xml > .phpcs.xml.dist > phpcs.xml.dist
test("PHPCS priority: .phpcs.xml beats phpcs.xml when both exist", () => {
const expected = mkFile("priority1", "src", ".phpcs.xml");
mkFile("priority1", "src", "phpcs.xml");
const result = findFiles(
path.join(tmpRoot, "priority1"),
"src",
[".phpcs.xml", "phpcs.xml", ".phpcs.xml.dist", "phpcs.xml.dist"]
);
assert.equal(result, expected);
});

test("PHPCS priority: phpcs.xml beats .phpcs.xml.dist when both exist", () => {
const expected = mkFile("priority2", "src", "phpcs.xml");
mkFile("priority2", "src", ".phpcs.xml.dist");
const result = findFiles(
path.join(tmpRoot, "priority2"),
"src",
[".phpcs.xml", "phpcs.xml", ".phpcs.xml.dist", "phpcs.xml.dist"]
);
assert.equal(result, expected);
});

test("PHPCS priority: .phpcs.xml.dist beats phpcs.xml.dist when both exist", () => {
const expected = mkFile("priority3", "src", ".phpcs.xml.dist");
mkFile("priority3", "src", "phpcs.xml.dist");
const result = findFiles(
path.join(tmpRoot, "priority3"),
"src",
[".phpcs.xml", "phpcs.xml", ".phpcs.xml.dist", "phpcs.xml.dist"]
);
assert.equal(result, expected);
});
});