bootstrap-vue/src/utils/array.js

With more than 85 components, over 45 available plugins, several directives, and 1000+ icons, BootstrapVue provides one of the most comprehensive implementations of the Bootstrap v4 component and grid system available for Vue.js v2.6, complete with extens

// --- Static ---

export const from = (...args) => Array.from(...args)

// --- Instance ---

export const arrayIncludes = (array, value) => array.indexOf(value) !== -1
export const concat = (...args) => Array.prototype.concat.apply([], args)

// --- Utilities ---

export const createAndFillArray = (size, value) => Array(size).fill(value)

export const flatten = array => array.reduce((result, item) => result.concat(item), [])

export const flattenDeep = array =>
  array.reduce((result, item) => result.concat(Array.isArray(item) ? flattenDeep(item) : item), [])