Function prettyPrint

deps/v8/test/mjsunit/mjsunit.js:321–393

(value)

  prettyPrinted = function prettyPrinted(value) {
    let visited = new Set();
    function prettyPrint(value) {
      try {
        switch (typeof value) {
          case "string":
            return JSONStringify(value);
          case "bigint":
            return String(value) + "n";
          case "number":
            if (value === 0 && (1 / value) < 0) return "-0";
            // FALLTHROUGH.
          case "boolean":
          case "undefined":
          case "function":
          case "symbol":
            return String(value);
          case "object":
            if (value === null) return "null";
            // Guard against re-visiting.
            if (visited.has(value)) return "<...>";
            visited.add(value);
            var objectClass = classOf(value);
            switch (objectClass) {
              case "Number":
              case "BigInt":
              case "String":
              case "Boolean":
              case "Date":
                return objectClass + "(" + prettyPrint(ValueOf(value)) + ")";
              case "RegExp":
                return RegExpPrototypeToString.call(value);
              case "Array":
                var mapped = ArrayPrototypeMap.call(
                    value, (v,i,array)=>{
                      if (v === undefined && !(i in array)) return "";
                      return prettyPrint(v, visited);
                    });
                var joined = ArrayPrototypeJoin.call(mapped, ",");
                return "[" + joined + "]";
              case "Int8Array":
              case "Uint8Array":
              case "Uint8ClampedArray":
              case "Int16Array":
              case "Uint16Array":
              case "Int32Array":
              case "Uint32Array":
              case "Float32Array":
              case "Float64Array":
              case "BigInt64Array":
              case "BigUint64Array":
                var joined = ArrayPrototypeJoin.call(value, ",");
                return objectClass + "([" + joined + "])";
              case "Object":
                break;
              default:
                return objectClass + "(" + String(value) + ")";
            }
            // classOf() returned "Object".
            var name = value.constructor?.name ?? "Object";