From b271486999ac670ff8bf84e6d3f25d3e5bdc1468 Mon Sep 17 00:00:00 2001
From: "M.U.N.I.N" <82655227+SNDST00M@users.noreply.github.com>
Date: Sat, 14 May 2022 20:01:39 +0000
Subject: [PATCH] =?UTF-8?q?feat:=20=E2=9C=A8=20Add=20TypeScript=20definiti?=
 =?UTF-8?q?ons=20(#739)?=
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---
 package.json     |  6 ++-
 tsconfig.json    | 14 +++++++
 types/index.d.ts | 95 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 114 insertions(+), 1 deletion(-)
 create mode 100644 tsconfig.json
 create mode 100644 types/index.d.ts

diff --git a/package.json b/package.json
index acbb082..ea85327 100644
--- a/package.json
+++ b/package.json
@@ -3,13 +3,15 @@
   "version": "0.0.0-development",
   "description": "Formats your JavaScript using prettier followed by eslint --fix",
   "main": "dist/index.js",
+  "types": "types/index.d.ts",
   "scripts": {
     "start": "nps",
     "test": "nps test",
     "precommit": "opt --in pre-commit --exec \"npm start validate\""
   },
   "files": [
-    "dist"
+    "dist",
+    "types"
   ],
   "keywords": [],
   "author": "Kent C. Dodds <kent@doddsfamily.us> (http://kentcdodds.com/)",
@@ -18,6 +20,8 @@
   ],
   "license": "MIT",
   "dependencies": {
+    "@types/eslint": "^8.4.2",
+    "@types/prettier": "^2.6.0",
     "@typescript-eslint/parser": "^5.10.0",
     "common-tags": "^1.4.0",
     "dlv": "^1.1.0",
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..e844e53
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,14 @@
+{
+    "compilerOptions": {
+        "target": "ES2020",
+        "module": "CommonJS",
+        "lib": ["ES2020", "DOM"],
+        "moduleResolution": "Node",
+        "rootDir": ".",
+        "strict": true,
+        "noEmit": true,
+        "esModuleInterop": true,
+        "baseUrl": "./"
+    },
+    "exclude": ["node_modules"]
+}
diff --git a/types/index.d.ts b/types/index.d.ts
new file mode 100644
index 0000000..7cf8b65
--- /dev/null
+++ b/types/index.d.ts
@@ -0,0 +1,95 @@
+// Type definitions for prettier-eslint 12.0
+// Project: https://github.com/prettier/prettier-eslint
+
+import * as eslint from "eslint";
+import * as prettier from "prettier";
+
+declare namespace format {
+    /**
+     * Logging level for the traceback of the synchronous formatting process.
+     */
+    type LogLevel = "error" | "warn" | "info" | "debug" | "trace";
+
+    /**
+     * Options to format text with Prettier and ESLint.
+     */
+    interface Options {
+        /**
+         * The config to use for formatting with ESLint.
+         */
+        eslintConfig?: eslint.Linter.Config;
+        /**
+         * The path to the eslint module to use.
+         * Will default to require.resolve('eslint')
+         */
+        eslintPath?: string;
+        /**
+         * The options to pass for formatting with `prettier` if the given
+         * option is not inferrable from the `eslintConfig`.
+         */
+        fallbackPrettierOptions?: prettier.Options;
+        /**
+         * The path of the file being formatted can be used in lieu of
+         * `eslintConfig` (eslint will be used to find the relevant
+         * config for the file). Will also be used to load the `text` if
+         * `text` is not provided.
+         */
+        filePath?: string;
+        /**
+         * The level for the logs (`error`, `warn`, `info`, `debug`, `trace`).
+         */
+        logLevel?: LogLevel;
+        /**
+         * The options to pass for formatting with `prettier`. If not provided,
+         * prettier-eslint will attempt to create the options based on the
+         * `eslintConfig` value.
+         */
+        prettierOptions?: prettier.Options;
+        /**
+         * The path to the `prettier` module.
+         * Will default to require.resovlve('prettier')
+         */
+        prettierPath?: string;
+        /**
+         * Run Prettier last.
+         */
+        prettierLast?: boolean;
+        /**
+         * The text (JavaScript code) to format.
+         */
+        text: string;
+    }
+}
+
+/**
+ * Formats the text with Prettier and then ESLint while obeying the user's
+ * configuration.
+ *
+ * @param options Options to format text with Prettier and Eslint.
+ * @param options.eslintConfig The config to use for formatting
+ * with ESLint.
+ * @param options.eslintPath The path to the eslint module to use.
+ * Will default to require.resolve('eslint')
+ * @param options.fallbackPrettierOptions The options to pass for
+ * formatting with `prettier` if the given option is not inferrable from the
+ * eslintConfig.
+ * @param options.filePath The path of the file being formatted
+ * can be used in lieu of `eslintConfig` (eslint will be used to find the
+ * relevant config for the file). Will also be used to load the `text` if
+ * `text` is not provided.
+ * @param options.prettierOptions The options to pass for
+ * formatting with `prettier`. If not provided, prettier-eslint will attempt
+ * to create the options based on the `eslintConfig` value.
+ * @param options.prettierLast Run Prettier last.
+ * @param options.prettierPath The path to the prettier module.
+ * Will default to require.resovlve('prettier')
+ * @param options.logLevel The level for the logs (`error`, `warn`,
+ * `info`, `debug`, `trace`).
+ * @param options.text The text (JavaScript code) to format.
+ * @return Auto-formatted text that is mostly compliant with the
+ * supplied configuration. The auto-formatting is limited to the issues that
+ * Prettier and ESLint can automatically fix.
+ */
+declare function format(options: format.Options): string;
+
+export = format;