Fix 0.8 typings, add type tests (#786)

* Fixes typing issues with 0.8 and add initial typing tests

* Fix error in utils typing import

* Confirmed fixed build, test, and type test, left comments

* Moved lengthy `@core` typings to subfiles and barrel index

* Initial work to get configure composure working

* Fixed error introduced in prior commit, improved type tests

* Fixed issues with plugin or types being null

* Code cleanup, final fixes

* add type tests to CI

* Added initial 3.1 types

* Move @core/jimp to a class rather than an interface

* Minor cleanup, linting, etc

.circleci/config.yml

@@ -45,6 +45,15 @@ jobs:
           name: Lint
           command: yarn lint
 
+  test-types:
+    <<: *defaults
+    steps:
+      - attach_workspace:
+          at: ~/jimp
+      - run:
+          name: Test Types
+          command: yarn tsTest:custom && yarn tsTest:main
+
   build-node6.14:
     working_directory: ~/jimp-6.14
     docker:
@@ -115,17 +124,24 @@ workflows:
           requires:
             - install
 
+      - test-types:
+          requires:
+            - install
+
       - build-node6.14:
           requires:
             - lint
+            - test-types
 
       - build-node8:
           requires:
             - lint
+            - test-types
 
       - build-node10:
           requires:
             - lint
+            - test-types
 
       - release:
           requires:

package.json

@@ -8,8 +8,8 @@
   "repository": "oliver-moran/jimp",
   "author": "Andrew Lisowski <[email protected]>",
   "publishConfig": {
-    "registry":"https://registry.npmjs.org/"
-    },
+    "registry": "https://registry.npmjs.org/"
+  },
   "scripts": {
     "lint": "xo",
     "test": "cross-env BABEL_ENV=test mocha --require @babel/register './packages/**/test/**/*.test.js' --require ts-node/register ./packages/**/test/*.test.ts",
@@ -20,7 +20,9 @@
     "clean:build": "rm -rf packages/**/es packages/**/dist",
     "build": "npm run clean:build && lerna run build --stream",
     "build:watch": "lerna run build:watch --parallel",
-    "release": "auto shipit"
+    "release": "auto shipit",
+    "tsTest:custom": "dtslint packages/custom/types --expectOnly",
+    "tsTest:main": "dtslint packages/jimp/types --expectOnly"
   },
   "devDependencies": {
     "@babel/cli": "^7.1.0",
@@ -36,6 +38,7 @@
     "babel-plugin-source-map-support": "^2.0.1",
     "babel-plugin-transform-inline-environment-variables": "^0.4.3",
     "cross-env": "^5.2.0",
+    "dtslint": "^0.9.6",
     "eslint-plugin-prettier": "^2.6.2",
     "express": "^4.16.3",
     "husky": "^1.0.0-rc.15",

packages/cli/src/load-font.ts

@@ -4,7 +4,7 @@ import { log } from './log';
 export async function loadFont(font?: string, verbose?: boolean) {
   if (font) {
     log(` 🔤  Loading font: ${font} ...`, verbose);
-    return await Jimp.loadFont(Jimp[font] || font);
+    return await Jimp.loadFont((Jimp[font] as unknown as string) || font);
   }
 
   return;