src/engine/inject/additionalFunctions.js
function injectAdditionalFunction (key) {
    var isAFunction = typeof additionalFunctions[key] === 'function'

    if (isAFunction) funcs[key] = additionalFunctions[key]
  }
function injectAdditionalFunction (key) {
    var isAFunction = typeof additionalFunctions[key] === 'function'

    if (isAFunction) funcs[key] = additionalFunctions[key]
  }
function injectAdditionalFunction ( key ) { var isAFunction = typeof additionalFunctions [ key ] === 'function' if ( isAFunction ) funcs [ key ] = additionalFunctions [ key ] }
Validate and insert an additional function.
Validate and insert an additional function .