| 1 | {"version":3,"file":"statty.cjs.min.js","sources":["../node_modules/is-shallow-equal/index.js","../src/state.js","../node_modules/brcast/dist/brcast.es.js","../src/provider.js"],"sourcesContent":["module.exports = function isShallowEqual (a, b) {\n if (a === b) return true\n for (var i in a) if (!(i in b)) return false\n for (var i in b) if (a[i] !== b[i]) return false\n return true\n}\n","import { Component } from 'react'\nimport PropTypes from 'prop-types'\nimport shallowEqual from 'is-shallow-equal'\n\nconst isObjectNotNull = (a, b) => {\n return (\n typeof a === 'object' && typeof b === 'object' && a !== null && b !== null\n )\n}\n\nclass State extends Component {\n constructor (props, context) {\n super(props, context)\n this.broadcast = context.__statty__.broadcast\n this.inspect = context.__statty__.inspect\n this.state = props.state\n ? props.state\n : props.select(this.broadcast.getState())\n this.update = this.update.bind(this)\n this.setStateIfNeeded = this.setStateIfNeeded.bind(this)\n }\n\n update (updaterFn) {\n if (this.props.state) {\n this.setState(updaterFn)\n } else {\n const oldState = this.broadcast.getState()\n const nextState = updaterFn(oldState)\n this.inspect && this.inspect(oldState, nextState, updaterFn)\n this.broadcast.setState(nextState)\n }\n }\n\n setStateIfNeeded (nextState) {\n const oldSelectdedState = this.state\n const newSelectedState = this.props.select(nextState)\n if (\n !isObjectNotNull(oldSelectdedState, newSelectedState) ||\n !shallowEqual(oldSelectdedState, newSelectedState)\n ) {\n this.setState(newSelectedState)\n }\n }\n\n componentDidMount () {\n if (!this.props.state) {\n this.subscriptionId = this.broadcast.subscribe(this.setStateIfNeeded)\n // To handle the case where a child component may have triggered a state change in\n // its cWM/cDM, we have to re-run the selector and maybe re-render.\n this.setStateIfNeeded(this.broadcast.getState())\n }\n }\n\n componentWillUnmount () {\n this.subscriptionId && this.broadcast.unsubscribe(this.subscriptionId)\n }\n\n render () {\n return (\n this.props.render(\n this.props.select(\n this.props.state ? this.state : this.broadcast.getState()\n ),\n this.update\n ) || null\n )\n }\n}\n\nState.defaultProps = {\n select: s => s,\n render: () => null\n}\n\nState.contextTypes = {\n __statty__: PropTypes.object.isRequired\n}\n\nState.propTypes = {\n state: PropTypes.object,\n render: PropTypes.func,\n select: PropTypes.func\n}\n\nexport default State\n","function createBroadcast (initialState) {\n var listeners = {};\n var id = 1;\n var _state = initialState;\n\n function getState () {\n return _state\n }\n\n function setState (state) {\n _state = state;\n var keys = Object.keys(listeners);\n var i = 0;\n var len = keys.length;\n for (; i < len; i++) {\n // if a listener gets unsubscribed during setState we just skip it\n if (listeners[keys[i]]) { listeners[keys[i]](state); }\n }\n }\n\n // subscribe to changes and return the subscriptionId\n function subscribe (listener) {\n if (typeof listener !== 'function') {\n throw new Error('listener must be a function.')\n }\n var currentId = id;\n listeners[currentId] = listener;\n id += 1;\n return currentId\n }\n\n // remove subscription by removing the listener function\n function unsubscribe (id) {\n listeners[id] = undefined;\n }\n\n return { getState: getState, setState: setState, subscribe: subscribe, unsubscribe: unsubscribe }\n}\n\nexport default createBroadcast;\n","import { Component } from 'react'\nimport PropTypes from 'prop-types'\nimport brcast from 'brcast'\n\nclass Provider extends Component {\n constructor (props, context) {\n super(props, context)\n this.broadcast = brcast(props.state)\n }\n\n getChildContext () {\n return {\n __statty__: {\n broadcast: this.broadcast,\n inspect: this.props.inspect\n }\n }\n }\n\n render () {\n const children = this.props.children\n return Array.isArray(children) ? 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