common: Use text-encoder-lite for encoding (#6)

Author: microbit-rosslowe

package-lock.json

@@ -46,15 +46,14 @@
   },
   "dependencies": {
     "nrf-intel-hex": "1.3.0",
-    "text-encoding": "0.7.0"
+    "text-encoder-lite": "solderjs/TextEncoderLite#e1e031b4a7fb89c35629340a61a06ec4f50ce7cb"
   },
   "devDependencies": {
     "@babel/core": "7.2.2",
     "@babel/preset-env": "7.3.1",
     "@types/jest": "23.3.10",
     "@types/node": "8.10.*",
     "@types/prettier": "1.15.2",
-    "@types/text-encoding": "0.0.35",
     "jest": "23.6.0",
     "prettier": "1.15.3",
     "rollup": "0.68.2",

package.json

@@ -2,7 +2,7 @@
  * General utilities.
  */
 
-import encoding from 'text-encoding';
+import { TextDecoderLite, TextEncoderLite } from 'text-encoder-lite';
 
 /**
  * Marker placed inside the MicroPython hex string to indicate where to
@@ -26,7 +26,7 @@ export function cleanseOldHexFormat(intelHex: string): string {
  * @returns A byte array with the encoded data.
  */
 export function strToBytes(str: string): Uint8Array {
-  const encoder = new encoding.TextEncoder();
+  const encoder = new TextEncoderLite();
   return encoder.encode(str);
 }
 
@@ -36,7 +36,7 @@ export function strToBytes(str: string): Uint8Array {
  * @returns String output from the conversion.
  */
 export function bytesToStr(byteArray: Uint8Array): string {
-  const decoder = new encoding.TextDecoder();
+  const decoder = new TextDecoderLite();
   return decoder.decode(byteArray);
 }
 

src/common.ts

@@ -0,0 +1 @@
+declare module 'text-encoder-lite';