Fix checkBrowserSupported where target should not contain itself.

__test__/check_browser_supported/__snapshots__/index.spec.ts.snap

@@ -0,0 +1,128 @@
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`Multiple occurrences of the same syntax results in multiple calculations. 1`] = `
+[
+  {
+    "astNode": {
+      "loc": {
+        "end": {
+          "col": 18,
+          "line": 1,
+        },
+        "start": {
+          "col": 11,
+          "line": 1,
+        },
+      },
+      "span": {
+        "end": 17,
+        "start": 10,
+      },
+    },
+    "compat": {
+      "description": "空值合并运算符 (??)",
+      "mdnUrl": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_operator",
+      "name": "operators.nullish_coalescing",
+      "support": {
+        "chrome": "80",
+        "chromeAndroid": "80",
+        "deno": "1.0.0",
+        "edge": "80",
+        "firefox": "72",
+        "firefoxAndroid": "72",
+        "node": "14.0.0",
+        "safari": "13.1",
+        "safariIos": "13.1",
+      },
+      "tags": [
+        "web-features:snapshot:ecmascript-2020",
+      ],
+    },
+    "filePath": "",
+    "name": "operators.nullish_coalescing",
+  },
+]
+`;
+
+exports[`Multiple occurrences of the same syntax results in multiple calculations. 2`] = `
+[
+  {
+    "astNode": {
+      "loc": {
+        "end": {
+          "col": 18,
+          "line": 1,
+        },
+        "start": {
+          "col": 11,
+          "line": 1,
+        },
+      },
+      "span": {
+        "end": 17,
+        "start": 10,
+      },
+    },
+    "compat": {
+      "description": "空值合并运算符 (??)",
+      "mdnUrl": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_operator",
+      "name": "operators.nullish_coalescing",
+      "support": {
+        "chrome": "80",
+        "chromeAndroid": "80",
+        "deno": "1.0.0",
+        "edge": "80",
+        "firefox": "72",
+        "firefoxAndroid": "72",
+        "node": "14.0.0",
+        "safari": "13.1",
+        "safariIos": "13.1",
+      },
+      "tags": [
+        "web-features:snapshot:ecmascript-2020",
+      ],
+    },
+    "filePath": "",
+    "name": "operators.nullish_coalescing",
+  },
+  {
+    "astNode": {
+      "loc": {
+        "end": {
+          "col": 37,
+          "line": 1,
+        },
+        "start": {
+          "col": 30,
+          "line": 1,
+        },
+      },
+      "span": {
+        "end": 36,
+        "start": 29,
+      },
+    },
+    "compat": {
+      "description": "空值合并运算符 (??)",
+      "mdnUrl": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_operator",
+      "name": "operators.nullish_coalescing",
+      "support": {
+        "chrome": "80",
+        "chromeAndroid": "80",
+        "deno": "1.0.0",
+        "edge": "80",
+        "firefox": "72",
+        "firefoxAndroid": "72",
+        "node": "14.0.0",
+        "safari": "13.1",
+        "safariIos": "13.1",
+      },
+      "tags": [
+        "web-features:snapshot:ecmascript-2020",
+      ],
+    },
+    "filePath": "",
+    "name": "operators.nullish_coalescing",
+  },
+]
+`;

__test__/check_browser_supported/features/normal/a.js

@@ -0,0 +1,3 @@
+const a = 1;
+
+const b = cc ?? 3;

__test__/check_browser_supported/features/normal/b.js

@@ -0,0 +1,3 @@
+const name = async () => {
+	await Promise.resolve();
+};

__test__/check_browser_supported/index.spec.ts

@@ -0,0 +1,32 @@
+import { expect, test } from "vitest";
+import { fileURLToPath } from "node:url";
+import path, { dirname } from "node:path";
+import { checkBrowserSupportedWithSourceCode, checkBrowserSupported } from "../../index.js";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+test("There are 4 syntaxes under normal that are incompatible under chrome 40", () => {
+	const cwd = path.resolve(__dirname, "features", "normal");
+
+	const response = checkBrowserSupported({ chrome: "40" }, { cwd });
+
+	expect(response.length).toBe(4);
+});
+
+test("There are 3 syntaxes under normal that are incompatible under chrome 45", () => {
+	const cwd = path.resolve(__dirname, "features", "normal");
+
+	const response = checkBrowserSupported({ chrome: "45" }, { cwd });
+
+	expect(response.length).toBe(3);
+});
+
+test("Multiple occurrences of the same syntax results in multiple calculations.", () => {
+	const response1 = checkBrowserSupportedWithSourceCode({ chrome: "70" }, "const b = cc ?? 3;");
+	expect(response1.length).toBe(1);
+	expect(response1).toMatchSnapshot();
+
+	const response2 = checkBrowserSupportedWithSourceCode({ chrome: "70" }, "const b = cc ?? 3; const c = cc ?? 3;");
+	expect(response2.length).toBe(2);
+	expect(response2).toMatchSnapshot();
+});

crates/check_browser_supported/src/lib.rs

@@ -57,7 +57,7 @@ pub fn check_browser_supported_with_source_code(
 ) -> Result<Vec<CompatBox>> {
   debug!("User-specified browser target: {:?}", target);
 
-  let chrome_queries = format!("chrome >= {}", target.chrome);
+  let chrome_queries = format!("chrome > {}", target.chrome);
 
   let browser_list = resolve(&[chrome_queries], &Opts::default())
     .map_err(|err| Error::new(napi::Status::GenericFailure, err.to_string()))?;
@@ -175,7 +175,7 @@ pub fn check_browser_supported(
 ) -> Result<Vec<CompatBox>> {
   debug!("User-specified browser target: {:?}", target);
 
-  let chrome_queries = format!("chrome >= {}", target.chrome);
+  let chrome_queries = format!("chrome > {}", target.chrome);
 
   let browser_list = resolve(&[chrome_queries], &Opts::default())
     .map_err(|err| Error::new(napi::Status::GenericFailure, err.to_string()))?;