Avoid line breaks in import attributes (#16349)

Co-authored-by: Alexander Kachkaev <alexander@kachkaev.ru>

changelog_unreleased/javascript/16349.md

@@ -0,0 +1,14 @@
+#### Avoid line breaks in import attributes (#16349 by @fisker)
+
+<!-- prettier-ignore -->
+```jsx
+// Input
+import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" };
+
+// Prettier stable
+import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type:
+  "json" };
+
+// Prettier main
+import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" };
+```

src/language-js/print/assignment.js

@@ -138,6 +138,7 @@ function chooseLayout(path, options, print, leftDoc, rightPropertyName) {
   }
 
   if (
+    node.type === "ImportAttribute" ||
     (rightNode.type === "CallExpression" &&
       rightNode.callee.name === "require") ||
     // do not put values on a separate line from the key in json

tests/format/js/import-attributes/__snapshots__/format.test.js.snap

@@ -159,6 +159,97 @@ export * from "./test.json" /* with */ /* with */ assert { type: "json" };
 ================================================================================
 `;
 
+exports[`long-sources.js [acorn] format 1`] = `
+"Unexpected token (1:37)
+> 1 | import a10 from "./aaaaaaaaaa.json" with {
+    |                                     ^
+  2 | type: "json" };
+  3 | import a20 from "./aaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+  4 | import a30 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+Cause: Unexpected token (1:36)"
+`;
+
+exports[`long-sources.js [espree] format 1`] = `
+"Unexpected token with (1:37)
+> 1 | import a10 from "./aaaaaaaaaa.json" with {
+    |                                     ^
+  2 | type: "json" };
+  3 | import a20 from "./aaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+  4 | import a30 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+Cause: Unexpected token with"
+`;
+
+exports[`long-sources.js [meriyah] format 1`] = `
+"Unexpected token: 'with' (1:40)
+> 1 | import a10 from "./aaaaaaaaaa.json" with {
+    |                                        ^
+  2 | type: "json" };
+  3 | import a20 from "./aaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+  4 | import a30 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+Cause: [1:40]: Unexpected token: 'with'"
+`;
+
+exports[`long-sources.js format 1`] = `
+====================================options=====================================
+parsers: ["babel", "typescript"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+import a10 from "./aaaaaaaaaa.json" with {
+type: "json" };
+import a20 from "./aaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a30 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a40 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a50 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a60 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a70 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with {
+type: "json" };
+import a80
+from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+
+import("./aaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+
+=====================================output=====================================
+import a10 from "./aaaaaaaaaa.json" with { type: "json" };
+import a20 from "./aaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a30 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a40 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a50 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a60 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a70 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a80 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+
+import("./aaaaaaaaaa.json", { with: { type: "json" } });
+import("./aaaaaaaaaaaaaaaaaaaa.json", { with: { type: "json" } });
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", { with: { type: "json" } });
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {
+  with: { type: "json" },
+});
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {
+  with: { type: "json" },
+});
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {
+  with: { type: "json" },
+});
+import(
+  "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json",
+  { with: { type: "json" } }
+);
+import(
+  "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json",
+  { with: { type: "json" } }
+);
+
+================================================================================
+`;
+
 exports[`multi-types.js [acorn] format 1`] = `
 "Unexpected token (1:31)
 > 1 | import json from "./foo.json" with { type: "json", type: "bar" };

tests/format/js/import-attributes/format.test.js

@@ -8,6 +8,7 @@ const errors = {
     "without-from.js",
     "non-type.js",
     "keyword-detect.js",
+    "long-sources.js",
   ],
   espree: [
     "dynamic-import.js",
@@ -18,6 +19,7 @@ const errors = {
     "without-from.js",
     "non-type.js",
     "keyword-detect.js",
+    "long-sources.js",
   ],
   meriyah: [
     "dynamic-import.js",
@@ -28,6 +30,7 @@ const errors = {
     "without-from.js",
     "non-type.js",
     "keyword-detect.js",
+    "long-sources.js",
   ],
 };
 runFormatTest(import.meta, ["babel", "typescript"], { errors });

tests/format/js/import-attributes/long-sources.js

@@ -0,0 +1,20 @@
+import a10 from "./aaaaaaaaaa.json" with {
+type: "json" };
+import a20 from "./aaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a30 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a40 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a50 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a60 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+import a70 from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with {
+type: "json" };
+import a80
+from "./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json" with { type: "json" };
+
+import("./aaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})
+import("./aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.json", {with: { type: "json" }})