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Fixed BigNumber type coercion issues when passed between workers

This commit is contained in:
n1474335 2019-07-29 15:14:29 +01:00
parent 42cfed5fa8
commit 82b94fad5d
1 changed files with 19 additions and 1 deletions
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20
src/core/Dish.mjs
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@ -235,6 +235,10 @@ class Dish {
case Dish.JSON:
title = "application/json";
break;
case Dish.NUMBER:
case Dish.BIG_NUMBER:
title = this.value.toString();
break;
case Dish.ARRAY_BUFFER:
case Dish.BYTE_ARRAY:
title = this.detectDishType();
@ -283,7 +287,21 @@ class Dish {
case Dish.ARRAY_BUFFER:
return this.value instanceof ArrayBuffer;
case Dish.BIG_NUMBER:
return BigNumber.isBigNumber(this.value);
if (BigNumber.isBigNumber(this.value)) return true;
/*
If a BigNumber is passed between WebWorkers it is serialised as a JSON
object with a coefficient (c), exponent (e) and sign (s). We detect this
and reinitialise it as a BigNumber object.
*/
if (Object.keys(this.value).sort().equals(["c", "e", "s"])) {
const temp = new BigNumber();
temp.c = this.value.c;
temp.e = this.value.e;
temp.s = this.value.s;
this.value = temp;
return true;
}
return false;
case Dish.JSON:
// All values can be serialised in some manner, so we return true in all cases
return true;