json-as/assembly/serialize/simple/float.ts

The only JSON library you'll need for AssemblyScript. SIMD enabled

import { bs } from "../../../lib/as-bs";
import { dtoa_buffered } from "util/number";

// @ts-ignore: inline
@inline export function serializeFloat<T extends number>(data: T): void {
  bs.ensureSize(64);
  const size = dtoa_buffered(bs.offset, data) << 1;
  bs.stackSize += size;
  bs.offset += size;
}