eslint-plugin-de-morgan/dist/utils/flatten-operands.js

ESLint plugin for transforming negated boolean expressions via De Morgan’s laws

'use strict'
Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' })
const getNodeContent = require('./get-node-content.js')
const MAX_DEPTH = 100
let flattenOperands = ({
  transformer,
  expression,
  predicate,
  depth = 0,
  context,
}) => {
  if (depth > MAX_DEPTH) {
    return [getNodeContent.getNodeContent(expression, context).trim()]
  }
  if (predicate(expression)) {
    let logicalExpr = expression
    return [
      ...flattenOperands({
        expression: logicalExpr.left,
        depth: depth + 1,
        transformer,
        predicate,
        context,
      }),
      ...flattenOperands({
        expression: logicalExpr.right,
        depth: depth + 1,
        transformer,
        predicate,
        context,
      }),
    ]
  }
  return [transformer(expression, context)]
}
exports.flattenOperands = flattenOperands