237 lines
8.3 KiB
JavaScript
237 lines
8.3 KiB
JavaScript
// License: LGPL-3.0-or-later
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/* this file expects a config/config.json that contains
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{ "button":{
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"url":"https://commitchange.com",
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"css":"https://s3-us-west-1.amazonaws.com/commitchange/manual/donate-button.v2.css"
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}
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}
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this file is generated by rails when compiling the assets
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*/
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function on_ios11() {
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var userAgent = window.navigator.userAgent;
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var has11 = userAgent.search("OS 11_\\d") > 0
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var hasMacOS = userAgent.search(" like Mac OS X") > 0
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return has11 && hasMacOS;
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}
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window.commitchange = {
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iframes: []
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, modalIframe: null
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}
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commitchange.getParamsFromUrl = (whitelist) => {
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var result = {},
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tmp = [];
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var items = location.search.substr(1).split("&");
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for (var index = 0; index < items.length; index++) {
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tmp = items[index].split("=");
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if (whitelist.indexOf(tmp[0])) result[tmp[0]] = decodeURIComponent(tmp[1]);
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}
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return result;
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}
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commitchange.openDonationModal = (iframe, overlay) => {
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return (event) => {
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overlay.className = 'commitchange-overlay commitchange-open'
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iframe.className = 'commitchange-iframe commitchange-open'
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if (on_ios11()) {
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iframe.style.position = 'absolute'
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}
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commitchange.setParams(commitchange.getParamsFromButton(event.currentTarget), iframe)
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if (on_ios11()) {
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iframe.scrollIntoView()
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}
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commitchange.open_iframe = iframe
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commitchange.open_overlay = overlay
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}
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}
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// Dynamically set the params of the appended iframe donate window
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commitchange.setParams = (params, iframe) => {
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params.command = 'setDonationParams'
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params.sender = 'commitchange'
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iframe.contentWindow.postMessage(JSON.stringify(params), fullHost)
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}
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commitchange.hideDonation = () => {
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if(!commitchange.open_overlay || !commitchange.open_iframe) return
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commitchange.open_overlay.className = 'commitchange-overlay commitchange-closed'
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commitchange.open_iframe.className = 'commitchange-iframe commitchange-closed'
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if (on_ios11()) {
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commitchange.open_iframe.style.position = 'fixed'
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}
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commitchange.open_overlay = undefined
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commitchange.open_iframe = undefined
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}
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const fullHost = 'REPLACE_FULL_HOST'
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commitchange.overlay = () => {
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let div = document.createElement('div')
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div.setAttribute('class', 'commitchange-closed commitchange-overlay')
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return div
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}
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commitchange.createIframe = (source) => {
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let i = document.createElement('iframe')
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const url = document.location.href
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i.setAttribute('class', 'commitchange-closed commitchange-iframe')
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i.src = encodeURI(source + "&origin=" + url)
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return i
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}
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// Given a button with a bunch of data parameters
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// return an object of key/vals corresponing to each param
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commitchange.getParamsFromButton = (elem) => {
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let options = {
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offsite: 't'
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, type: elem.getAttribute('data-type')
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, custom_amounts: elem.getAttribute('data-custom-amounts') || elem.getAttribute('data-amounts')
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, amount: elem.getAttribute('data-amount')
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, minimal: elem.getAttribute('data-minimal')
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, weekly: elem.getAttribute('data-weekly')
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, default: elem.getAttribute('data-default')
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, custom_fields: elem.getAttribute('data-custom-fields')
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, campaign_id: elem.getAttribute('data-campaign-id')
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, gift_option_id: elem.getAttribute('data-gift-option-id')
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, redirect: elem.getAttribute('data-redirect')
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, designation: elem.getAttribute('data-designation')
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, multiple_designations: elem.getAttribute('data-multiple-designations')
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, hide_dedication: elem.getAttribute('data-hide-dedication')? true : false
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, designations_prompt: elem.getAttribute('data-designations-prompt')
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, single_amount: elem.getAttribute('data-single-amount')
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, designation_desc: elem.getAttribute('data-designation-desc') || elem.getAttribute('data-description')
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, locale: elem.getAttribute('data-locale')
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, "utm_source": elem.getAttribute('data-utm_source')
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, "utm_campaign": elem.getAttribute('data-utm_campaign')
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, "utm_medium": elem.getAttribute('data-utm_medium')
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, "utm_content": elem.getAttribute('data-utm_content')
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, "first_name": elem.getAttribute('data-first_name')
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, "last_name": elem.getAttribute('data-last_name')
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, "country": elem.getAttribute('data-country')
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, "postal_code": elem.getAttribute('data-postal_code')
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}
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// Remove false values from the options
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for(let key in options) {
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if(!options[key]) delete options[key]
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}
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return options
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}
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commitchange.appendMarkup = () => {
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if(commitchange.alreadyAppended) return
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else commitchange.alreadyAppended = true
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let script = document.getElementById('commitchange-donation-script') || document.getElementById('commitchange-script')
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const nonprofitID = script.getAttribute('data-npo-id')
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const baseSource = fullHost + "/nonprofits/" + nonprofitID + "/donate?offsite=t"
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let elems = document.querySelectorAll('.commitchange-donate')
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for(let i = 0; i < elems.length; ++i) {
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let elem = elems[i]
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let source = baseSource
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let optionsButton = commitchange.getParamsFromButton(elem)
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let options = commitchange.getParamsFromUrl(["utm_campaign","utm_content","utm_source","utm_medium","first_name","last_name","country","postal_code","address","city"])
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for (var attr in optionsButton) { options[attr] = optionsButton[attr]; }
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let params = []
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for(let key in options) {
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params.push(key + '=' + options[key])
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}
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source += "&" + params.join("&")
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if(elem.hasAttribute('data-embedded')) {
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source += '&mode=embedded'
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let iframe = commitchange.createIframe(source)
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elem.appendChild(iframe)
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iframe.setAttribute('class', 'commitchange-iframe-embedded')
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commitchange.iframes.push(iframe)
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} else {
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// Show the CommitChange-branded button if it's not set to custom.
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if(!elem.hasAttribute('data-custom') && !elem.hasAttribute('data-custom-button')) {
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let btn_iframe = document.createElement('iframe')
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let btn_src = fullHost + "/nonprofits/" + nonprofitID + "/btn"
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if(elem.hasAttribute('data-fixed')) { btn_src += '?fixed=t' }
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btn_iframe.src = encodeURI(btn_src)
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btn_iframe.className = 'commitchange-btn-iframe'
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btn_iframe.setAttribute('scrolling', 'no')
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btn_iframe.setAttribute('seamless', 'seamless')
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elem.appendChild(btn_iframe)
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btn_iframe.onclick = commitchange.openDonationModal(iframe, overlay)
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}
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// Create the iframe overlay for this button
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let modal = document.createElement('div')
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modal.className = 'commitchange-modal'
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let overlay = commitchange.overlay()
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let iframe
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if(commitchange.modalIframe) {
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iframe = commitchange.modalIframe
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} else {
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iframe = commitchange.createIframe(source)
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commitchange.iframes.push(iframe)
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commitchange.modalIframe = iframe
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}
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modal.appendChild(overlay)
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document.body.appendChild(iframe)
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elem.parentNode.appendChild(modal)
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overlay.onclick = commitchange.hideDonation
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elem.onclick = commitchange.openDonationModal(iframe, overlay)
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} // end else
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} // end for loop
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}
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// Load the CSS for the parent page element from our AWS server
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commitchange.loadStylesheet = () => {
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if(commitchange.alreadyStyled) return
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else commitchange.alreadyStyled = true
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let stylesheet = document.createElement('link')
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stylesheet.href = "REPLACE_CSS_URL"
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stylesheet.rel = 'stylesheet'
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stylesheet.type = 'text/css'
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document.getElementsByTagName('head')[0].appendChild(stylesheet)
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}
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// Handle iframe post messages
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if(window.addEventListener) {
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window.addEventListener('message', (e) => {
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// Close the modal
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if(e.data === 'commitchange:close') {
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commitchange.hideDonation()
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}
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// Redirect on donation completion using the redirect param
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else if(e.data.match(/^commitchange:redirect/)) {
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const matches = e.data.match(/^commitchange:redirect:(.+)$/)
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if(matches.length === 2) window.location.href = matches[1]
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}
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})
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}
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// Make initialization calls on document load
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if(document.addEventListener) {
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document.addEventListener("DOMContentLoaded", (event) => {
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commitchange.loadStylesheet()
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commitchange.appendMarkup()
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})
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} else if(window.jQuery) {
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window.jQuery(document).ready(() => {
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commitchange.loadStylesheet()
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commitchange.appendMarkup()
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})
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} else {
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window.onload = () => {
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commitchange.loadStylesheet()
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commitchange.appendMarkup()
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}
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}
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if(document.querySelector('.commitchange-donate')) {
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commitchange.loadStylesheet()
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commitchange.appendMarkup()
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}
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