react-native-web-headroom

_common = require './_common' module.exports = object = isBareObject: _common.isBareObject.bind _common ### if object is an instance of a class ### isInstance: (what) -> not @isBareObject what ### Alias to _common.typeOf ### typeOf: _common.typeOf.bind _common ### Alias to _common.clone ### clone: _common.clone.bind _common ### Empties an object of its properties. ### empty: (o) -> for prop of o delete o[prop] if o.hasOwnProperty prop o ### Empties an object. Doesn't check for hasOwnProperty, so it's a tiny bit faster. Use it for plain objects. ### fastEmpty: (o) -> delete o[property] for property of o o ### Overrides values fomr `newValues` on `base`, as long as they already exist in base. ### overrideOnto: (base, newValues) -> return base if not @isBareObject(newValues) or not @isBareObject(base) for key, oldVal of base newVal = newValues[key] continue if newVal is undefined if typeof newVal isnt 'object' or @isInstance newVal base[key] = @clone newVal # newVal is a plain object else if typeof oldVal isnt 'object' or @isInstance oldVal base[key] = @clone newVal else @overrideOnto oldVal, newVal base ### Takes a clone of 'base' and runs #overrideOnto on it ### override: (base, newValues) -> @overrideOnto @clone(base), newValues append: (base, toAppend) -> @appendOnto @clone(base), toAppend # Deep appends values from `toAppend` to `base` appendOnto: (base, toAppend) -> return base if not @isBareObject(toAppend) or not @isBareObject(base) for own key, newVal of toAppend continue unless newVal isnt undefined if typeof newVal isnt 'object' or @isInstance newVal base[key] = newVal else # newVal is a bare object oldVal = base[key] if typeof oldVal isnt 'object' or @isInstance oldVal base[key] = @clone newVal else @appendOnto oldVal, newVal base # Groups groupProps: (obj, groups) -> grouped = {} for name, defs of groups grouped[name] = {} grouped['rest'] = {} `top: //` for key, val of obj shouldAdd = no for name, defs of groups unless Array.isArray defs defs = [defs] for def in defs if typeof def is 'string' if key is def shouldAdd = yes else if def instanceof RegExp if def.test key shouldAdd = yes else if def instanceof Function if def key shouldAdd = yes else throw Error 'Group definitions must either be strings, regexes, or functions.' if shouldAdd grouped[name][key] = val `continue top` grouped['rest'][key] = val grouped