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The function should return either `false` or a string\r\n *       corresponding to the type parameter of shiny::registerInputHandler().\r\n * - ratePolicy: A rate policy object as defined in the documentation for\r\n *     getRatePolicy(): https://shiny.rstudio.com/articles/building-inputs.html\r\n *     A rate policy object has two members:\r\n *     - `policy`: Valid values are the strings \"direct\", \"debounce\", and\r\n *       \"throttle\". \"direct\" means that all events are sent immediately.\r\n *     - `delay`: Number indicating the number of milliseconds that should be\r\n *       used when debouncing or throttling. Has no effect if the policy is\r\n *       direct.\r\n *     The specified rate policy is only applied when `true` is passed as the\r\n *     second argument to the `setValue` function passed as a prop to the\r\n *     input component.\r\n *\r\n */\r\nexport function reactShinyInput(selector,\r\n                           name,\r\n                           component,\r\n                           options) {\r\n  options = Object.assign({}, defaultOptions, options);\r\n  Shiny.inputBindings.register(new class extends Shiny.InputBinding {\r\n\r\n    /*\r\n     * Methods override those in Shiny.InputBinding\r\n     */\r\n\r\n    find(scope) {\r\n      return $(scope).find(selector);\r\n    }\r\n    getValue(el) {\r\n      return this.getInputValue(el);\r\n    }\r\n    setValue(el, value, rateLimited = false) {\r\n      /*\r\n       * We have to check whether $(el).data('callback') is undefined here\r\n       * in case shiny::renderUI() is involved. If an input is contained in a\r\n       * shiny::uiOutput(), the following strange thing happens occasionally:\r\n       *\r\n       *   1. setValue() is bound to an el in this.render(), below\r\n       *   2. An event that will call setValue() is enqueued\r\n       *   3. While the event is still enqueued, el is unbound and removed\r\n       *      from the DOM by the JS code associated with shiny::uiOutput()\r\n       *      - That code uses jQuery .html() in output_binding_html.js\r\n       *      - .html() removes el from the DOM and clears ist data and events\r\n       *   4. By the time the setValue() bound to the original el is invoked,\r\n       *      el has been unbound and its data cleared.\r\n       *\r\n       *  Since the original input is gone along with its callback, it\r\n       *  seems to make the most sense to do nothing.\r\n       */\r\n      if ($(el).data('callback') !== undefined) {\r\n        this.setInputValue(el, value);\r\n        this.getCallback(el)(rateLimited);\r\n        this.render(el);\r\n      }\r\n    }\r\n    initialize(el) {\r\n      $(el).data('value', JSON.parse($(el).next().text()));\r\n      $(el).data('configuration', JSON.parse($(el).next().next().text()));\r\n    }\r\n    subscribe(el, callback) {\r\n      $(el).data('callback', callback);\r\n      this.render(el);\r\n    }\r\n    unsubscribe(el) {\r\n      ReactDOM.render(null, el);\r\n    }\r\n    receiveMessage(el, data) {\r\n      options.receiveMessage.call(this, el, data);\r\n    }\r\n    getType(el) {\r\n      if (typeof options.type === 'function') {\r\n        return options.type.call(this, el);\r\n      } else if (options.type === false || typeof options.type === 'string') {\r\n        return options.type;\r\n      } else {\r\n        throw new Error('options.type must be false, a string, or a function');\r\n      }\r\n    }\r\n    getRatePolicy() {\r\n      return options.ratePolicy;\r\n    }\r\n\r\n    /*\r\n     * Methods not present in Shiny.InputBinding but accessible to users\r\n     * through `this` in receiveMessage\r\n     */\r\n\r\n    getInputValue(el) {\r\n      return $(el).data('value');\r\n    }\r\n    setInputValue(el, value) {\r\n      $(el).data('value', value);\r\n    }\r\n    getInputConfiguration(el) {\r\n      return $(el).data('configuration');\r\n    }\r\n    setInputConfiguration(el, configuration) {\r\n      $(el).data('configuration', configuration);\r\n    }\r\n    getCallback(el) {\r\n      return $(el).data('callback');\r\n    }\r\n    render(el) {\r\n      const element = React.createElement(component, {\r\n        configuration: this.getInputConfiguration(el),\r\n        value: this.getValue(el),\r\n        setValue: this.setValue.bind(this, el),\r\n        el: el\r\n      });\r\n      ReactDOM.render(element, el);\r\n    }\r\n  }, name);\r\n}\r\n\r\n","import { reactWidget, hydrate } from './widget';\r\nimport { reactShinyInput } from './input';\r\n\r\nwindow.reactR = {\r\n  reactShinyInput: reactShinyInput,\r\n  reactWidget: reactWidget,\r\n  hydrate: hydrate\r\n};\r\n","/**\r\n * Recursively transforms tag, a JSON representation of an instance of a\r\n * React component and its children, into a React element suitable for\r\n * passing to ReactDOM.render.\r\n * @param {Object} components\r\n * @param {Object} tag\r\n */\r\nexport function hydrate(components, tag) {\r\n    if (typeof tag === 'string') return tag;\r\n    if (tag.name[0] === tag.name[0].toUpperCase()\r\n        && !components.hasOwnProperty(tag.name)) {\r\n        throw new Error(\"Unknown component: \" + tag.name);\r\n    }\r\n    var elem = components.hasOwnProperty(tag.name) ? components[tag.name] : tag.name,\r\n        args = [elem, tag.attribs];\r\n    for (var i = 0; i < tag.children.length; i++) {\r\n        args.push(hydrate(components, tag.children[i]));\r\n    }\r\n    return React.createElement.apply(React, args);\r\n}\r\n\r\nexport const defaultOptions = {\r\n    // The name of the property on the root tag to use for the width, if\r\n    // it's updated.\r\n    widthProperty: \"width\",\r\n    // The name of the property on the root tag to use for the height, if\r\n    // it's updated.\r\n    heightProperty: \"height\",\r\n    // Whether or not to append the string 'px' to the width and height\r\n    // properties when they change.\r\n    appendPx: false,\r\n    // Whether or not to dynamically update the width and height properties\r\n    // of the last known tag when the computed width and height change in\r\n    // the browser.\r\n    renderOnResize: false\r\n};\r\n\r\nexport function mergeOptions(options) {\r\n    var merged = {};\r\n    for (var k in defaultOptions) {\r\n        merged[k] = defaultOptions[k];\r\n    }\r\n    for (var k in options) {\r\n        if (!defaultOptions.hasOwnProperty(k)) {\r\n            throw new Error(\"Unrecognized option: \" + k);\r\n        }\r\n        merged[k] = options[k];\r\n    }\r\n    return merged;\r\n}\r\n\r\nexport function formatDimension(dim, options) {\r\n    if (options.appendPx) {\r\n        return dim + 'px';\r\n    } else {\r\n        return dim;\r\n    }\r\n}\r\n\r\nexport function isTag(value) {\r\n    return (typeof value === 'object')\r\n        && value.hasOwnProperty('name')\r\n        && value.hasOwnProperty('attribs')\r\n        && value.hasOwnProperty('children');\r\n}\r\n\r\n/**\r\n * Creates an HTMLWidget that is updated by rendering a React component.\r\n * React component constructors are made available by specifying them by\r\n * name in the components object.\r\n * @param {string} name\r\n * @param {string} type\r\n * @param {Object} components\r\n * @param {Object} options\r\n */\r\nexport function reactWidget(name, type, components, options) {\r\n    var actualOptions = mergeOptions(options);\r\n    window.HTMLWidgets.widget({\r\n        name: name,\r\n        type: type,\r\n        factory: function (el, width, height) {\r\n            var lastValue,\r\n                instance = {},\r\n                renderValue = (function (value) {\r\n                    if (actualOptions.renderOnResize) {\r\n                        // value.tag might be a primitive string, in which\r\n                        // case there is no attribs property.\r\n                        if (typeof value.tag === 'object') {\r\n                            value.tag.attribs[actualOptions[\"widthProperty\"]] = formatDimension(width);\r\n                            value.tag.attribs[actualOptions[\"heightProperty\"]] = formatDimension(height);\r\n                        }\r\n                        lastValue = value;\r\n                    }\r\n                    // with functional stateless components this will be null\r\n                    // see https://reactjs.org/docs/react-dom.html#render for more details\r\n                    this.instance.component = ReactDOM.render(hydrate(components, value.tag), el);\r\n                });\r\n            return {\r\n                instance: instance,\r\n                renderValue: renderValue,\r\n                resize: function (newWidth, newHeight) {\r\n                    if (actualOptions.renderOnResize) {\r\n                        width = newWidth;\r\n                        height = newHeight;\r\n                        renderValue(lastValue);\r\n                    }\r\n                }\r\n            };\r\n        }\r\n    })\r\n}\r\n\r\n","module.exports = window.jQuery;","module.exports = window.React;","module.exports = window.ReactDOM;","module.exports = window.Shiny;"],"sourceRoot":""}