Fix use of process for browsers

gfx · gfx · commit d355bbde1095 · 2020-02-26T09:44:34.000+09:00
diff --git a/src/utils/utf8.ts b/src/utils/utf8.ts
@@ -1,5 +1,8 @@
 export const TEXT_ENCODING_AVAILABLE =
-  process.env.TEXT_ENCODING !== "never" && typeof TextEncoder !== "undefined" && typeof TextDecoder !== "undefined";
+  typeof process !== "undefined" &&
+  process.env.TEXT_ENCODING !== "never" &&
+  typeof TextEncoder !== "undefined" &&
+  typeof TextDecoder !== "undefined";
 
 export function utf8Count(str: string): number {
   const strLength = str.length;
@@ -85,7 +88,7 @@ export function utf8EncodeJs(str: string, output: Uint8Array, outputOffset: numb
 }
 
 const sharedTextEncoder = TEXT_ENCODING_AVAILABLE ? new TextEncoder() : undefined;
-export const TEXT_ENCODER_THRESHOLD = process.env.TEXT_ENCODING !== "force" ? 200 : 0;
+export const TEXT_ENCODER_THRESHOLD = typeof process !== "undefined" && process.env.TEXT_ENCODING !== "force" ? 200 : 0;
 
 function utf8EncodeTEencode(str: string, output: Uint8Array, outputOffset: number): void {
   // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
@@ -151,7 +154,7 @@ export function utf8DecodeJs(bytes: Uint8Array, inputOffset: number, byteLength:
 }
 
 const sharedTextDecoder = TEXT_ENCODING_AVAILABLE ? new TextDecoder() : null;
-export const TEXT_DECODER_THRESHOLD = process.env.TEXT_DECODER !== "force" ? 200 : 0;
+export const TEXT_DECODER_THRESHOLD = typeof process !== "undefined" && process.env.TEXT_DECODER !== "force" ? 200 : 0;
 
 export function utf8DecodeTD(bytes: Uint8Array, inputOffset: number, byteLength: number): string {
   const stringBytes = bytes.subarray(inputOffset, inputOffset + byteLength);
