From e0b3e26c5ec1feb95a3228a35acf82dd279d7895 Mon Sep 17 00:00:00 2001
From: Simon Lydell <simon.lydell@gmail.com>
Date: Sat, 26 Mar 2022 13:42:33 +0100
Subject: [PATCH] Add tests for import assertions

Closes #90. I thought new code was needed to support them, but it turns
out no changes were needed.
---
 babel.config.json    |  5 +++-
 package-lock.json    | 25 ++++++++++++++++++++
 package.json         |  1 +
 test/imports.test.js | 56 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 86 insertions(+), 1 deletion(-)

diff --git a/babel.config.json b/babel.config.json
index 15c76ce..7c6968e 100644
--- a/babel.config.json
+++ b/babel.config.json
@@ -1,3 +1,6 @@
 {
-  "plugins": ["@babel/plugin-transform-flow-strip-types"]
+  "plugins": [
+    "@babel/plugin-syntax-import-assertions",
+    "@babel/plugin-transform-flow-strip-types"
+  ]
 }
diff --git a/package-lock.json b/package-lock.json
index 87950b6..543d443 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,6 +6,7 @@
     "": {
       "devDependencies": {
         "@babel/eslint-parser": "7.17.0",
+        "@babel/plugin-syntax-import-assertions": "7.16.7",
         "@babel/plugin-transform-flow-strip-types": "7.16.7",
         "@typescript-eslint/parser": "5.16.0",
         "eslint": "8.12.0",
@@ -412,6 +413,21 @@
         "@babel/core": "^7.0.0-0"
       }
     },
+    "node_modules/@babel/plugin-syntax-import-assertions": {
+      "version": "7.16.7",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-import-assertions/-/plugin-syntax-import-assertions-7.16.7.tgz",
+      "integrity": "sha512-DoM/wsaMaDXpM2fa+QkZeqqfYs340WTY+boLRiZ7ckqt3PAFt1CdGmMXVniFCcN8RuStim2Z4Co3bIKdWjTXIQ==",
+      "dev": true,
+      "dependencies": {
+        "@babel/helper-plugin-utils": "^7.16.7"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      },
+      "peerDependencies": {
+        "@babel/core": "^7.0.0-0"
+      }
+    },
     "node_modules/@babel/plugin-syntax-import-meta": {
       "version": "7.10.4",
       "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-import-meta/-/plugin-syntax-import-meta-7.10.4.tgz",
@@ -7918,6 +7934,15 @@
         "@babel/helper-plugin-utils": "^7.16.7"
       }
     },
+    "@babel/plugin-syntax-import-assertions": {
+      "version": "7.16.7",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-import-assertions/-/plugin-syntax-import-assertions-7.16.7.tgz",
+      "integrity": "sha512-DoM/wsaMaDXpM2fa+QkZeqqfYs340WTY+boLRiZ7ckqt3PAFt1CdGmMXVniFCcN8RuStim2Z4Co3bIKdWjTXIQ==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.16.7"
+      }
+    },
     "@babel/plugin-syntax-import-meta": {
       "version": "7.10.4",
       "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-import-meta/-/plugin-syntax-import-meta-7.10.4.tgz",
diff --git a/package.json b/package.json
index 6499a10..a4b887e 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
   },
   "devDependencies": {
     "@babel/eslint-parser": "7.17.0",
+    "@babel/plugin-syntax-import-assertions": "7.16.7",
     "@babel/plugin-transform-flow-strip-types": "7.16.7",
     "@typescript-eslint/parser": "5.16.0",
     "eslint": "8.12.0",
diff --git a/test/imports.test.js b/test/imports.test.js
index 8a91dbd..039aa25 100644
--- a/test/imports.test.js
+++ b/test/imports.test.js
@@ -1576,6 +1576,7 @@ const flowTests = {
     `import type a, {b} from "a"`,
     `import type {} from "a"`,
     `import type {    } from "a"`,
+    `import json from "./foo.json" assert { type: "json" };`,
 
     // typeof
     `import typeof a from "a"`,
@@ -1672,6 +1673,33 @@ const flowTests = {
       errors: 1,
     },
 
+    // Import assertions.
+    {
+      code: input`
+          |import json from "./foo.json" assert { type: "json" };
+          |import {b, a} from "./bar.json" assert {
+          |  // json
+          |  type: "json",
+          |  a: "b",
+          |} /* bar */ /* end
+          | comment */
+          |;[].forEach()
+      `,
+      output: (actual) => {
+        expect(actual).toMatchInlineSnapshot(`
+          |import {a,b} from "./bar.json" assert {
+          |  // json
+          |  type: "json",
+          |  a: "b",
+          |} /* bar */ 
+          |import json from "./foo.json" assert { type: "json" };/* end
+          | comment */
+          |;[].forEach()
+        `);
+      },
+      errors: 1,
+    },
+
     // https://github.com/graphql/graphql-js/blob/64b194c6c9b9aaa1c139f1b7c3692a6ef851928e/src/execution/execute.js#L10-L69
     {
       code: input`
@@ -1812,6 +1840,7 @@ const typescriptTests = {
     `import type {a} from "a"`,
     `import type {} from "a"`,
     `import type {    } from "a"`,
+    `import json from "./foo.json" assert { type: "json" };`,
 
     // type specifiers.
     `import { type b, type c, a } from "a"`,
@@ -1939,6 +1968,33 @@ const typescriptTests = {
       },
       errors: 1,
     },
+
+    // Import assertions.
+    {
+      code: input`
+          |import json from "./foo.json" assert { type: "json" };
+          |import {b, a} from "./bar.json" assert {
+          |  // json
+          |  type: "json",
+          |  a: "b",
+          |} /* bar */ /* end
+          | comment */
+          |;[].forEach()
+      `,
+      output: (actual) => {
+        expect(actual).toMatchInlineSnapshot(`
+          |import {a,b} from "./bar.json" assert {
+          |  // json
+          |  type: "json",
+          |  a: "b",
+          |} /* bar */ 
+          |import json from "./foo.json" assert { type: "json" };/* end
+          | comment */
+          |;[].forEach()
+        `);
+      },
+      errors: 1,
+    },
   ],
 };