How to use

isNaN

function

in

lodash

const isValidId = id => !isNaN(parseInt(id, 10))

// Loop to update each block after the inserted li
   nextBlocks.map((block, index) => {
    const previousContent =
     index === 0
      ? this.getEditorState()
       .getCurrentContent()
       .getBlockForKey(this.getCurrentAnchorKey())
      : newEditorState.getCurrentContent().getBlockBefore(block.getKey());
    // Check if there was an li before the position so we update the entire list bullets
    const number = previousContent ? parseInt(previousContent.getText().split('.')[0], 10) : 0;
    liNumber = isNaN(number) ? 1 : number + 1;
    const nextBlockText = index === 0 ? `${liNumber}. ` : nextBlocks.get(index - 1).getText();
    // Update the current block
    const newBlock = createNewBlock(nextBlockText, 'block-list', block.getKey());
    // Update the contentState
    const newContentState = this.createNewContentStateFromBlock(
     newBlock,
     newEditorState.getCurrentContent(),
    );
    newEditorState = EditorState.push(newEditorState, newContentState);
   });

if (validationValue === 'json') {
 try {
  if (isObject(value) || isBoolean(value) || isNumber(value) || isArray(value) || isNaN(value) || isNull(value)) {
   value = JSON.parse(JSON.stringify(value));
  } else {