Copy over Types and type-tests from DT: https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/ember__string

Author: NullVoxPopuli

index.d.ts

@@ -0,0 +1,7 @@
+export function camelize(str: string): string;
+export function capitalize(str: string): string;
+export function classify(str: string): string;
+export function dasherize(str: string): string;
+export function decamelize(str: string): string;
+export function underscore(str: string): string;
+export function w(str: string): string[];

package.json

@@ -25,6 +25,7 @@
     "start": "ember serve",
     "test": "npm-run-all lint test:*",
     "test:ember": "ember test",
+    "test:types": "tsc --noEmit --project ./type-tests/tsconfig.json",
     "test:ember-compatibility": "ember try:each",
     "test-typings": "node node_modules/typescript/bin/tsc",
     "prepack": "yarn babel --extensions '.ts' --presets @babel/preset-typescript addon --out-dir addon/ --ignore '**/*.d.ts'",
@@ -42,6 +43,7 @@
     "@embroider/test-setup": "^0.47.1",
     "@glimmer/component": "^1.0.4",
     "@glimmer/tracking": "^1.0.4",
+    "@tsconfig/ember": "^2.0.0",
     "@types/ember": "^3.16.5",
     "@types/ember-qunit": "^3.4.14",
     "@types/ember__test-helpers": "^2.0.2",
@@ -84,7 +86,7 @@
     "release-it": "^14.11.6",
     "release-it-lerna-changelog": "^3.1.0",
     "rimraf": "^3.0.2",
-    "typescript": "^4.4.4",
+    "typescript": "^5.0.4",
     "webpack": "^5"
   },
   "engines": {

type-tests/the-tests.ts

@@ -0,0 +1,51 @@
+import {
+  dasherize,
+  camelize,
+  capitalize,
+  classify,
+  decamelize,
+  underscore,
+  w,
+} from '@ember/string';
+
+// @ts-expect-error
+dasherize();
+dasherize('blue man group'); // $ExpectType string
+// @ts-expect-error
+dasherize('', '');
+
+// @ts-expect-error
+camelize();
+camelize('blue man group'); // $ExpectType string
+// @ts-expect-error
+camelize('', '');
+
+// @ts-expect-error
+decamelize();
+decamelize('blue man group'); // $ExpectType string
+// @ts-expect-error
+decamelize('', '');
+
+// @ts-expect-error
+underscore();
+underscore('blue man group'); // $ExpectType string
+// @ts-expect-error
+underscore('', '');
+
+// @ts-expect-error
+w();
+w('blue man group'); // $ExpectType string[]
+// @ts-expect-error
+w('', '');
+
+// @ts-expect-error
+classify();
+classify('blue man group'); // $ExpectType string
+// @ts-expect-error
+classify('', '');
+
+// @ts-expect-error
+capitalize();
+capitalize('blue man group'); // $ExpectType string
+// @ts-expect-error
+capitalize('', '');

type-tests/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "@tsconfig/ember",
+  "compilerOptions": {
+    "paths": {
+      "@ember/string": ["../"]
+    }
+  }
+}

yarn.lock

@@ -1774,6 +1774,11 @@
   resolved "https://registry.yarnpkg.com/@tootallnate/once/-/once-1.1.2.tgz#ccb91445360179a04e7fe6aff78c00ffc1eeaf82"
   integrity sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==
 
+"@tsconfig/ember@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@tsconfig/ember/-/ember-2.0.0.tgz#dba953e5527ccf7a2587f262a7afe0fa83c4e979"
+  integrity sha512-RzbDYYcjxVdG8Ki0xe99HN3+nHTZe6EBgw6N7B3yup7QogVFQQxA9nY7X80j1XzF15xqetwWiYfAjv5lkkp0/A==
+
 "@types/body-parser@*":
   version "1.19.1"
   resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.19.1.tgz#0c0174c42a7d017b818303d4b5d969cb0b75929c"
@@ -12499,10 +12504,10 @@ typescript-memoize@^1.0.0-alpha.3:
   resolved "https://registry.yarnpkg.com/typescript-memoize/-/typescript-memoize-1.0.1.tgz#0a8199aa28f6fe18517f6e9308ef7bfbe9a98d59"
   integrity sha512-oJNge1qUrOK37d5Y6Ly2txKeuelYVsFtNF6U9kXIN7juudcQaHJQg2MxLOy0CqtkW65rVDYuTCOjnSIVPd8z3w==
 
-typescript@^4.4.4:
-  version "4.4.4"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.4.4.tgz#2cd01a1a1f160704d3101fd5a58ff0f9fcb8030c"
-  integrity sha512-DqGhF5IKoBl8WNf8C1gu8q0xZSInh9j1kJJMqT3a94w1JzVaBU4EXOSMrz9yDqMT0xt3selp83fuFMQ0uzv6qA==
+typescript@^5.0.4:
+  version "5.0.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.0.4.tgz#b217fd20119bd61a94d4011274e0ab369058da3b"
+  integrity sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==
 
 uc.micro@^1.0.1, uc.micro@^1.0.5:
   version "1.0.6"