_normalizeValue()

in modules/core/src/lib/attribute/data-column.js [352:387]

• 28 lines of code
• 13 McCabe index (conditional complexity)

  _normalizeValue(value, out, start) {
    const {defaultValue, size} = this.settings;

    if (Number.isFinite(value)) {
      out[start] = value;
      return out;
    }
    if (!value) {
      out[start] = defaultValue[0];
      return out;
    }

    // Important - switch cases are 5x more performant than a for loop!
    /* eslint-disable no-fallthrough, default-case */
    switch (size) {
      case 4:
        out[start + 3] = Number.isFinite(value[3]) ? value[3] : defaultValue[3];
      case 3:
        out[start + 2] = Number.isFinite(value[2]) ? value[2] : defaultValue[2];
      case 2:
        out[start + 1] = Number.isFinite(value[1]) ? value[1] : defaultValue[1];
      case 1:
        out[start + 0] = Number.isFinite(value[0]) ? value[0] : defaultValue[0];
        break;

      default:
        // In the rare case where the attribute size > 4, do it the slow way
        // This is used for e.g. transform matrices
        let i = size;
        while (--i >= 0) {
          out[start + i] = Number.isFinite(value[i]) ? value[i] : defaultValue[i];
        }
    }

    return out;
  }