vv.js

validateVersion = event => {
    let helperText = this.state.versionTextField.helperText;
    let error = false;
    if (!(/^\d+.\d+.\d+$/g.test(event.target.value))) {
      error = true;
      helperText = defaults.versionTextField.helperText;
    } else {
      let currentVersionArray = this.props.file.versions[0].version.split('.');
      currentVersionArray[0] = parseInt(currentVersionArray[0], 10);
      currentVersionArray[1] = parseInt(currentVersionArray[1], 10);
      currentVersionArray[2] = parseInt(currentVersionArray[2], 10);
      let newVersionArray = event.target.value.split('.');
      newVersionArray[0] = parseInt(newVersionArray[0], 10);
      newVersionArray[1] = parseInt(newVersionArray[1], 10);
      newVersionArray[2] = parseInt(newVersionArray[2], 10);
      // debugger
      let incremented = 0;
      error = true;
      if (newVersionArray[0] === currentVersionArray[0] + 1) {
        incremented++;
        if (
          newVersionArray[1] === 0 &&
          newVersionArray[2] === 0 &&
          newVersionArray[0] >= currentVersionArray[0]
        ) {
          error = false;
        }
      }
      if (newVersionArray[1] === currentVersionArray[1] + 1) {
        incremented++;
        if (newVersionArray[2] === 0) {
          error = false;
        }
      }
      if (newVersionArray[2] === currentVersionArray[2] + 1) {
        incremented++;
        if (incremented === 1) {
          error = false;
        }
      }
      if (
        newVersionArray[0] < currentVersionArray[0] ||
        (newVersionArray[0] === currentVersionArray[0] && newVersionArray[1] < currentVersionArray[1])
      ) {
        error = true;
      }

      if (incremented === 1 && !error) {
        helperText = 'Valid version iteration!';
      } else {
        error = true;
        helperText = 'Version must be incremented by one, and in only one of the version sections. All sections following the incremented section must be zeroed.';
      }
    }
    this.setState({
      versionTextField: {
        error,
        helperText,
        value: event.target.value,
      }
    });
  }