run make update-compat-table

evanw · evanw · commit 9ddfe5fa15a5 · 2025-05-17T12:59:28.000-04:00
diff --git a/compat-table/package-lock.json b/compat-table/package-lock.json
diff --git a/compat-table/package.json b/compat-table/package.json
@@ -1,12 +1,12 @@
 {
   "githubDependencies": {
     "kangax/compat-table": "b3427ba3a2d6fd2dc427c3dfcf191832f634eb06",
-    "williamkapke/node-compat-table": "abc812c34335866ee4fd4e94d9208ebd310de444"
+    "williamkapke/node-compat-table": "c10606cfc85fbe3a31cfd58f23fad872ad5fa5bc"
   },
   "dependencies": {
-    "@mdn/browser-compat-data": "^6.0.8",
+    "@mdn/browser-compat-data": "^6.0.15",
     "@types/caniuse-lite": "1.0.1",
     "@types/node": "20.3.2",
-    "caniuse-lite": "^1.0.30001715"
+    "caniuse-lite": "^1.0.30001718"
   }
 }
diff --git a/compat-table/src/index.ts b/compat-table/src/index.ts
@@ -511,6 +511,25 @@ import('./kangax').then(kangax => {
   // MDN data is wrong here: https://www.chromestatus.com/feature/6482797915013120
   js.ClassStaticBlocks.Chrome = { 91: { force: true } }
 
+  // WebKit has now been marked as not supporting top-level await because it
+  // turns out they have a pretty severe bug: Importing a module that uses
+  // top-level await twice causes the second import to fail. For more info see:
+  // https://bugs.webkit.org/show_bug.cgi?id=242740
+  //
+  // However, we're going to override this to say it's still supported because:
+  // - It always fails loudly when this happens (the import fails)
+  // - People would otherwise be blocked from using this feature at all in
+  //   WebKit-based browsers
+  // - From what I understand, most use of top-level await is in the entry-point
+  //   module, where this isn't an issue
+  // - When you bundle your code, nested modules become entry points so this
+  //   issue also wouldn't come up
+  // - The top-level await implementation in esbuild isn't even correct for
+  //   nested modules as they become linearized in the bundle (like Rollup, but
+  //   not like Webpack)
+  js.TopLevelAwait.IOS = { 15: { force: true } }
+  js.TopLevelAwait.Safari = { 15: { force: true } }
+
   const [jsVersionRanges, jsWhyNot] = supportMapToVersionRanges(js)
   generateTableForJS(jsVersionRanges, jsWhyNot)
 })
diff --git a/internal/compat/js_table.go b/internal/compat/js_table.go
@@ -588,13 +588,14 @@ var jsTable = map[JSFeature]map[Engine][]versionRange{
 		Node:   {{start: v{16, 14, 0}, end: v{22, 0, 0}}},
 	},
 	ImportAttributes: {
-		Chrome: {{start: v{123, 0, 0}}},
-		Deno:   {{start: v{1, 37, 0}}},
-		Edge:   {{start: v{123, 0, 0}}},
-		IOS:    {{start: v{17, 2, 0}}},
-		Node:   {{start: v{18, 20, 0}, end: v{19, 0, 0}}, {start: v{20, 10, 0}}},
-		Opera:  {{start: v{109, 0, 0}}},
-		Safari: {{start: v{17, 2, 0}}},
+		Chrome:  {{start: v{123, 0, 0}}},
+		Deno:    {{start: v{1, 37, 0}}},
+		Edge:    {{start: v{123, 0, 0}}},
+		Firefox: {{start: v{138, 0, 0}}},
+		IOS:     {{start: v{17, 2, 0}}},
+		Node:    {{start: v{18, 20, 0}, end: v{19, 0, 0}}, {start: v{20, 10, 0}}},
+		Opera:   {{start: v{109, 0, 0}}},
+		Safari:  {{start: v{17, 2, 0}}},
 	},
 	ImportMeta: {
 		Chrome:  {{start: v{64, 0, 0}}},

Original file line number	Diff line number	Diff line change
`@@ -1,12 +1,12 @@`
`1`	`1`	`{`
`2`	`2`	`"githubDependencies": {`
`3`	`3`	`"kangax/compat-table": "b3427ba3a2d6fd2dc427c3dfcf191832f634eb06",`
`4`		`- "williamkapke/node-compat-table": "abc812c34335866ee4fd4e94d9208ebd310de444"`
	`4`	`+ "williamkapke/node-compat-table": "c10606cfc85fbe3a31cfd58f23fad872ad5fa5bc"`
`5`	`5`	`},`
`6`	`6`	`"dependencies": {`
`7`		`- "@mdn/browser-compat-data": "^6.0.8",`
	`7`	`+ "@mdn/browser-compat-data": "^6.0.15",`
`8`	`8`	`"@types/caniuse-lite": "1.0.1",`
`9`	`9`	`"@types/node": "20.3.2",`
`10`		`- "caniuse-lite": "^1.0.30001715"`
	`10`	`+ "caniuse-lite": "^1.0.30001718"`
`11`	`11`	`}`
`12`	`12`	`}`