toDouble static method

double toDouble(
  1. dynamic value, {
  2. double defaultValue = 0.0,
})

Tries to parse value into double.

null, int, double, bool, String.

If none found, then defaultValue is returned.

Implementation

static double toDouble(dynamic value, {double defaultValue = 0.0}) {
  if (value is double) {
    return value;
  }

  if (value == null) {
    return defaultValue;
  }

  if (value is int) {
    return value.toDouble();
  }

  if (value is bool) {
    return value ? 1.0 : 0.0;
  }

  if (value is String) {
    return double.tryParse(value.replaceAll(',', '.')) ?? defaultValue;
  }

  return defaultValue;
}