Function __memberToJsString

sqlite-wasm-cos/sqlite3-node.mjs:10197–10210

(obj,memberName)

     member's address is 0, `null` is returned.
  */
  const __memberToJsString = function f(obj,memberName){
    const m = __lookupMember(obj.structInfo, memberName, true);
    __affirmCStringSignature(m);
    const addr = obj[m.key];
    //log("addr =",addr,memberName,"m =",m);
    if(!addr) return null;
    let pos = addr;
    const mem = heap();
    for( ; mem[pos]!==0; ++pos ) {
      //log("mem[",pos,"]",mem[pos]);
    };
    //log("addr =",addr,"pos =",pos);
    return (addr===pos) ? "" : __utf8Decode(mem, addr, pos);
  };

  /**
     Adds value v to obj.ondispose, creating ondispose,