Function formatWithOptionsInternal

lib/internal/util/inspect.js:2799–2923

(inspectOptions, args)

}

function formatWithOptionsInternal(inspectOptions, args) {
  const first = args[0];
  let a = 0;
  let str = '';
  let join = '';

  if (typeof first === 'string') {
    if (args.length === 1) {
      return first;
    }
    let tempStr;
    let lastPos = 0;

    for (let i = 0; i < first.length - 1; i++) {
      if (StringPrototypeCharCodeAt(first, i) === 37) { // '%'
        const nextChar = StringPrototypeCharCodeAt(first, ++i);
        if (a + 1 !== args.length) {
          switch (nextChar) {
            case 115: { // 's'
              const tempArg = args[++a];
              if (typeof tempArg === 'number') {
                tempStr = formatNumberNoColor(tempArg, inspectOptions);
              } else if (typeof tempArg === 'bigint') {
                tempStr = formatBigIntNoColor(tempArg, inspectOptions);
              } else if (typeof tempArg !== 'object' ||
                         tempArg === null ||
                         !hasBuiltInToString(tempArg)) {
                tempStr = String(tempArg);
              } else {
                tempStr = inspect(tempArg, {
                  ...inspectOptions,
                  compact: 3,
                  colors: false,
                  depth: 0,
                });
              }
              break;
            }
            case 106: // 'j'
              tempStr = tryStringify(args[++a]);
              break;
            case 100: { // 'd'
              const tempNum = args[++a];
              if (typeof tempNum === 'bigint') {
                tempStr = formatBigIntNoColor(tempNum, inspectOptions);
              } else if (typeof tempNum === 'symbol') {
                tempStr = 'NaN';
              } else {
                tempStr = formatNumberNoColor(Number(tempNum), inspectOptions);
              }
              break;
            }
            case 79: // 'O'
              tempStr = inspect(args[++a], inspectOptions);
              break;
            case 111: // 'o'
              tempStr = inspect(args[++a], {
                ...inspectOptions,