feat(no-missing-imports): add tryExtensions option (mysticatea#228)

Author: scagood

lib/rules/no-missing-import.js

@@ -7,6 +7,7 @@
 const { checkExistence, messages } = require("../util/check-existence")
 const getAllowModules = require("../util/get-allow-modules")
 const getResolvePaths = require("../util/get-resolve-paths")
+const getTryExtensions = require("../util/get-try-extensions")
 const getTSConfig = require("../util/get-tsconfig")
 const getTypescriptExtensionMap = require("../util/get-typescript-extension-map")
 const visitImport = require("../util/visit-import")
@@ -28,8 +29,9 @@ module.exports = {
                 properties: {
                     allowModules: getAllowModules.schema,
                     resolvePaths: getResolvePaths.schema,
-                    typescriptExtensionMap: getTypescriptExtensionMap.schema,
+                    tryExtensions: getTryExtensions.schema,
                     tsconfigPath: getTSConfig.schema,
+                    typescriptExtensionMap: getTypescriptExtensionMap.schema,
                 },
                 additionalProperties: false,
             },

tests/lib/rules/no-missing-import.js

@@ -111,6 +111,18 @@ ruleTester.run("no-missing-import", rule, {
             code: "import a from './e.jsx';",
         },
 
+        // tryExtensions
+        {
+            filename: fixture("test.js"),
+            code: "import './c';",
+            options: [{ tryExtensions: [".coffee"] }],
+        },
+        {
+            filename: fixture("test.js"),
+            code: "import './c';",
+            settings: { node: { tryExtensions: [".coffee"] } },
+        },
+
         // Ignores it if the filename is unknown.
         "import abc from 'no-exist-package-0';",
         "import b from './b';",