fix: fix api and upgrade to typescript 4.1.3

Author: iwt-danielschuster

index.ts

@@ -172,7 +172,7 @@ async function enableWatchMode(params: Params, entries: EntryConfig[]) {
 
     // Start watcher for every source set
     const promises = entries.map((entry) => {
-      return new Promise((resolve, reject) => {
+      return new Promise<void>((resolve, reject) => {
         // create a pattern to watch all scss files
         const watchPattern = path.resolve(params.context, entry.srcRelative, "**/*.scss");
         const watcher = chokidar.watch(watchPattern);

lib/pipes/processPostcss.ts

@@ -1,9 +1,9 @@
 import sass from "sass";
-import postcss, { AcceptedPlugin } from "postcss";
+import postcss, { AcceptedPlugin, Result as PostcssResult, ProcessOptions as PostcssProcessOptions } from "postcss";
 import { EntryConfig } from "../../index";
 
 export interface PostcssPipeResult {
-  result: postcss.Result;
+  result: PostcssResult;
   sassResult: sass.Result;
   from: string;
   to: string;
@@ -25,7 +25,7 @@ type PostcssUse = (p: PostcssUseParams) => AcceptedPlugin;
 export async function processPostcss(sassResult: sass.Result, entry: EntryConfig): Promise<PostcssPipeResult> {
   const from = sassResult.stats.entry;
   const to = from.replace(entry.src, entry.out).replace(/\.(scss|sass)$/, ".css");
-  const options: postcss.ProcessOptions = {
+  const options: PostcssProcessOptions = {
     from,
     to,
   };

package.json

@@ -59,7 +59,7 @@
     "husky": "4.2.5",
     "prettier": "2.0.5",
     "pretty-quick": "2.0.1",
-    "typescript": "3.9.7"
+    "typescript": "4.1.3"
   },
   "husky": {
     "hooks": {

yarn.lock

@@ -837,10 +837,10 @@ to-regex-range@^5.0.1:
   dependencies:
     is-number "^7.0.0"
 
-typescript@3.9.7:
-  version "3.9.7"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
-  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
+typescript@4.1.3:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
+  integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
 
 util-deprecate@^1.0.1:
   version "1.0.2"