bbo/find_index.js

bbo is a utility library of zero dependencies for javascript.

'use strict';

var is_object = require('./is_object.js');
require('./get_tag.js');
require('./is_array.js');
var is_function = require('./is_function.js');
var for_each = require('./for_each.js');
var is = require('./is.js');
require('./is_date.js');
var is_shallow_equal = require('./is_shallow_equal.js');

function findIndex(src, func) {
  var rst = -1;
  for_each(src, (item, index, obj) => {
    if (is_function(func)) {
      if (func(item, index, obj) === true) {
        rst = index;
        return false;
      }
    } else if (is(item, func)) {
      rst = index;
      return false;
    } else if (is_object(item) && is_object(func)) {
      var subEqual = true;
      for_each(func, (v, k) => {
        subEqual = is_shallow_equal(item[k], v);
        return subEqual;
      });

      if (subEqual) {
        rst = index;
        return false;
      }
    }
  });
  return rst;
}

module.exports = findIndex;