build: migrate to latest TypeScript v4

Author: axe312ger

package.json

@@ -34,7 +34,7 @@
     "lerna": "4.0.0",
     "prettier": "2.8.7",
     "ts-jest": "28.0.8",
-    "typescript": "4.3.5"
+    "typescript": "4.9.4"
   },
   "overrides": {
     "gifwrap": "^0.10.1"

packages/sqip/src/helpers.ts

@@ -16,6 +16,10 @@ export const loadSVG = (svg: string) => {
   })
 }
 
+export function isError(error: unknown): error is NodeJS.ErrnoException {
+  return error instanceof Error
+}
+
 export async function locateFiles(input: string): Promise<string[]> {
   const enhancedInput = expandTilde(input)
   let globPattern = enhancedInput
@@ -34,8 +38,10 @@ export async function locateFiles(input: string): Promise<string[]> {
       globPattern = `${path.resolve(enhancedInput)}/*`
     }
   } catch (err) {
-    if (err.code !== 'ENOENT') {
-      throw err
+    if (isError(err) && err instanceof TypeError) {
+      if (err.code === 'ENOENT') {
+        throw err
+      }
     }
   }
 

packages/sqip/src/sqip.ts

@@ -12,7 +12,7 @@ import chalk from 'chalk'
 import { Palette } from '@vibrant/color'
 import { OptionDefinition } from 'command-line-args'
 
-import { locateFiles } from './helpers'
+import { isError, locateFiles } from './helpers'
 
 export { loadSVG, parseColor } from './helpers'
 
@@ -143,10 +143,12 @@ export async function resolvePlugins(
 
         return { ...plugin, Plugin: Plugin.default }
       } catch (err) {
-        if (err.code === 'MODULE_NOT_FOUND') {
-          throw new Error(
-            `Unable to load plugin "${moduleName}". Try installing it via:\n\n npm install ${moduleName}`
-          )
+        if (isError(err) && err instanceof TypeError) {
+          if (err.code === 'MODULE_NOT_FOUND') {
+            throw new Error(
+              `Unable to load plugin "${moduleName}". Try installing it via:\n\n npm install ${moduleName}`
+            )
+          }
         }
         throw err
       }
@@ -215,8 +217,10 @@ async function processFile({
           }
         })
       } catch (err) {
-        if (err.name !== 'UnsupportedTerminalError') {
-          throw err
+        if (isError(err) && err instanceof TypeError) {
+          if (err.name === 'UnsupportedTerminalError') {
+            throw err
+          }
         }
       }
     }

yarn.lock

@@ -10743,10 +10743,10 @@ typedarray@^0.0.6:
   resolved "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@4.3.5:
-  version "4.3.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.3.5.tgz#4d1c37cc16e893973c45a06886b7113234f119f4"
-  integrity sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==
+typescript@4.9.4:
+  version "4.9.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.4.tgz#a2a3d2756c079abda241d75f149df9d561091e78"
+  integrity sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==
 
 typical@^4.0.0:
   version "4.0.0"