better error management with DOMException

Author: Lucas

quickjs.c

@@ -58162,7 +58162,8 @@ static JSValue js_btoa(JSContext *ctx, JSValueConst this_val, int argc, JSValueC
             if (unlikely(c > 0xFF)) {
                 js_free(ctx, tmp);
                 JS_FreeValue(ctx, val);
-                return JS_ThrowTypeError(ctx, "character out of range (>255) at %zu", i);
+                return JS_ThrowDOMException(ctx, "InvalidCharacterError",
+                                "String contains an invalid character");
             }
             tmp[i] = (uint8_t)c;
         }
@@ -58215,7 +58216,8 @@ static JSValue js_atob(JSContext *ctx, JSValueConst this_val, int argc, JSValueC
         for (size_t i = 0; i < slen; i++) {
             if (unlikely(p[i] & 0x80)) {
                 JS_FreeValue(ctx, val);
-                return JS_ThrowTypeError(ctx, "non-ASCII input");
+                return JS_ThrowDOMException(ctx, "InvalidCharacterError",
+                            "The string to be decoded is not correctly encoded");
             }
         }
         in = p;
@@ -58230,7 +58232,8 @@ static JSValue js_atob(JSContext *ctx, JSValueConst this_val, int argc, JSValueC
             if (unlikely(src[i] > 0x7F)) {
                 js_free(ctx, tmp);
                 JS_FreeValue(ctx, val);
-                return JS_ThrowTypeError(ctx, "non-ASCII input at %zu", i);
+                return JS_ThrowDOMException(ctx, "InvalidCharacterError",
+                            "The string to be decoded is not correctly encoded");
             }
             tmp[i] = (uint8_t)src[i];
         }
@@ -58266,7 +58269,9 @@ static JSValue js_atob(JSContext *ctx, JSValueConst this_val, int argc, JSValueC
 
     if (unlikely(err)) {
         js_free(ctx, ostr);
-        return JS_ThrowTypeError(ctx, "invalid base64 input");
+        return JS_ThrowDOMException(ctx, "InvalidCharacterError",
+                            "The string to be decoded is not correctly encoded");
+
     }
 
     ostr->len = out_len;