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Default output\n// with no options specified is a url encoded string\n//    - hash: [true | false] Configure the output type. If true, the output will\n//    be a js object.\n//    - serializer: [function] Optional serializer function to override the default one.\n//    The function takes 3 arguments (result, key, value) and should return new result\n//    hash and url encoded str serializers are provided with this module\n//    - disabled: [true | false]. If true serialize disabled fields.\n//    - empty: [true | false]. If true serialize empty fields\nfunction serialize(form, options) {\n    if (typeof options != 'object') {\n        options = { hash: !!options };\n    }\n    else if (options.hash === undefined) {\n        options.hash = true;\n    }\n\n    var result = (options.hash) ? {} : '';\n    var serializer = options.serializer || ((options.hash) ? hash_serializer : str_serialize);\n\n    var elements = form && form.elements ? form.elements : [];\n\n    //Object store each radio and set if it's empty or not\n    var radio_store = Object.create(null);\n\n    for (var i=0 ; i<elements.length ; ++i) {\n        var element = elements[i];\n\n        // ingore disabled fields\n        if ((!options.disabled && element.disabled) || !element.name) {\n            continue;\n        }\n        // ignore anyhting that is not considered a success field\n        if (!k_r_success_contrls.test(element.nodeName) ||\n            k_r_submitter.test(element.type)) {\n            continue;\n        }\n\n        var key = element.name;\n        var val = element.value;\n\n        // we can't just use element.value for checkboxes cause some browsers lie to us\n        // they say \"on\" for value when the box isn't checked\n        if ((element.type === 'checkbox' || element.type === 'radio') && !element.checked) {\n            val = undefined;\n        }\n\n        // If we want empty elements\n        if (options.empty) {\n            // for checkbox\n            if (element.type === 'checkbox' && !element.checked) {\n                val = '';\n            }\n\n            // for radio\n            if (element.type === 'radio') {\n                if (!radio_store[element.name] && !element.checked) {\n                    radio_store[element.name] = false;\n                }\n                else if (element.checked) {\n                    radio_store[element.name] = true;\n                }\n            }\n\n            // if options empty is true, continue only if its radio\n            if (val == undefined && element.type == 'radio') {\n                continue;\n            }\n        }\n        else {\n            // value-less fields are ignored unless options.empty is true\n            if (!val) {\n                continue;\n            }\n        }\n\n        // multi select boxes\n        if (element.type === 'select-multiple') {\n            val = [];\n\n            var selectOptions = element.options;\n            var isSelectedOptions = false;\n            for (var j=0 ; j<selectOptions.length ; ++j) {\n                var option = selectOptions[j];\n                var allowedEmpty = options.empty && !option.value;\n                var hasValue = (option.value || allowedEmpty);\n                if (option.selected && hasValue) {\n                    isSelectedOptions = true;\n\n                    // If using a hash serializer be sure to add the\n                    // correct notation for an array in the multi-select\n                    // context. Here the name attribute on the select element\n                    // might be missing the trailing bracket pair. Both names\n                    // \"foo\" and \"foo[]\" should be arrays.\n                    if (options.hash && key.slice(key.length - 2) !== '[]') {\n                        result = serializer(result, key + '[]', option.value);\n                    }\n                    else {\n                        result = serializer(result, key, option.value);\n                    }\n                }\n            }\n\n            // Serialize if no selected options and options.empty is true\n            if (!isSelectedOptions && options.empty) {\n                result = serializer(result, key, '');\n            }\n\n            continue;\n        }\n\n        result = serializer(result, key, val);\n    }\n\n    // Check for all empty radio buttons and serialize them with key=\"\"\n    if (options.empty) {\n        for (var key in radio_store) {\n            if (!radio_store[key]) {\n                result = serializer(result, key, '');\n            }\n        }\n    }\n\n    return result;\n}\n\nfunction parse_keys(string) {\n    var keys = [];\n    var prefix = /^([^\\[\\]]*)/;\n    var children = new RegExp(brackets);\n    var match = prefix.exec(string);\n\n    if (match[1]) {\n        keys.push(match[1]);\n    }\n\n    while ((match = children.exec(string)) !== null) {\n        keys.push(match[1]);\n    }\n\n    return keys;\n}\n\nfunction hash_assign(result, keys, value) {\n    if (keys.length === 0) {\n        result = value;\n        return result;\n    }\n\n    var key = keys.shift();\n    var between = key.match(/^\\[(.+?)\\]$/);\n\n    if (key === '[]') {\n        result = result || [];\n\n        if (Array.isArray(result)) {\n            result.push(hash_assign(null, keys, value));\n        }\n        else {\n            // This might be the result of bad name attributes like \"[][foo]\",\n            // in this case the original `result` object will already be\n            // assigned to an object literal. Rather than coerce the object to\n            // an array, or cause an exception the attribute \"_values\" is\n            // assigned as an array.\n            result._values = result._values || [];\n            result._values.push(hash_assign(null, keys, value));\n        }\n\n        return result;\n    }\n\n    // Key is an attribute name and can be assigned directly.\n    if (!between) {\n        result[key] = hash_assign(result[key], keys, value);\n    }\n    else {\n        var string = between[1];\n        // +var converts the variable into a number\n        // better than parseInt because it doesn't truncate away trailing\n        // letters and actually fails if whole thing is not a number\n        var index = +string;\n\n        // If the characters between the brackets is not a number it is an\n        // attribute name and can be assigned directly.\n        if (isNaN(index)) {\n            result = result || {};\n            result[string] = hash_assign(result[string], keys, value);\n        }\n        else {\n            result = result || [];\n            result[index] = hash_assign(result[index], keys, value);\n        }\n    }\n\n    return result;\n}\n\n// Object/hash encoding serializer.\nfunction hash_serializer(result, key, value) {\n    var matches = key.match(brackets);\n\n    // Has brackets? Use the recursive assignment function to walk the keys,\n    // construct any missing objects in the result tree and make the assignment\n    // at the end of the chain.\n    if (matches) {\n        var keys = parse_keys(key);\n        hash_assign(result, keys, value);\n    }\n    else {\n        // Non bracket notation can make assignments directly.\n        var existing = result[key];\n\n        // If the value has been assigned already (for instance when a radio and\n        // a checkbox have the same name attribute) convert the previous value\n        // into an array before pushing into it.\n        //\n        // NOTE: If this requirement were removed all hash creation and\n        // assignment could go through `hash_assign`.\n        if (existing) {\n            if (!Array.isArray(existing)) {\n                result[key] = [ existing ];\n            }\n\n            result[key].push(value);\n        }\n        else {\n            result[key] = value;\n        }\n    }\n\n    return result;\n}\n\n// urlform encoding serializer\nfunction str_serialize(result, key, value) {\n    // encode newlines as \\r\\n cause the html spec says so\n    value = value.replace(/(\\r)?\\n/g, '\\r\\n');\n    value = encodeURIComponent(value);\n\n    // spaces should be '+' rather than '%20'.\n    value = value.replace(/%20/g, '+');\n    return result + (result ? '&' : '') + encodeURIComponent(key) + '=' + value;\n}\n\nmodule.exports = serialize;\n","/**\n * Initialize newsletter form\n *\n * @class NewsletterForm\n */\n\nimport serialize from 'form-serialize';\nimport xhr from 'xhr';\nimport { updateToken, loadToken } from './forms';\n\nclass NewsletterForm {\n\n  constructor(form) {\n    this.form = form;\n    this.parent = this.form ? this.form.closest('.js-newsletter-parent') : null;\n\n    if (!this.form || !this.parent) {\n      console.warn('class NewsletterForm could not initialize', { class: this });\n      return;\n    }\n\n    // If window has been resized, height must be re-calculated\n    this.form.addEventListener('submit', (e) => {\n      this.submit(e);\n    });\n  }\n\n  submit(e) {\n    e.preventDefault();\n\n    this.parent.classList.remove('form-success', 'form-error')\n\n    const data = serialize(this.form, { hash: true });\n    const lang = window.stageLanguage || document.documentElement.getAttribute('lang');\n\n    xhr({\n      method: 'POST',\n      uri: '/stage-ajax/addSubscriber/?stage-language=' + lang,\n      body: data,\n      json: true,\n      headers: {\n        'Content-Type': 'application/json'\n      }\n    }, (err, resp, body) => {\n      let success = false;\n      if (resp.statusCode === 200 && body.new_subscriber_id) {\n        success = true;\n      }\n\n      if (success) {\n        this.parent.classList.add('form-success');\n      } else {\n        this.parent.classList.add('form-error');\n      }\n\n      // Update tokens for all forms\n      if (body.token) {\n        updateToken(body.token);\n      } else {\n        loadToken();\n      }\n    });\n  }\n\n}\n\nexport { NewsletterForm };\n"],"sourceRoot":""}