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Linter setup + fixes #18

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Linter setup + fixes #18

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eb34f65
EsLint setup
BerniWittmann Oct 1, 2018
64d24bd
Fix most of the linter errors
Oct 11, 2018
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7 changes: 7 additions & 0 deletions .eslintrc.js
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module.exports = {
"extends": "airbnb-base",
"env": {
"browser": true,
"jquery": true
}
};
1 change: 1 addition & 0 deletions .gitignore
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@@ -0,0 +1 @@
/node_modules
215 changes: 100 additions & 115 deletions js/form-handler.js
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@@ -1,127 +1,112 @@
// credits : https://github.com/dwyl/learn-to-send-email-via-google-script-html-no-server

const SHOW_DEBUG = true;
(function() {
function validEmail(email) { // see:
var re = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
return re.test(email);
}

function validateHuman(honeypot) {
if (honeypot) { //if hidden form filled up
if (SHOW_DEBUG)
console.log("Robot Detected!");
return true;
} else {
if (SHOW_DEBUG)
console.log("Welcome Human!");
}
(function () {
function validEmail(email) { // see:
const re = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
return re.test(email);
}

function validateHuman(honeypot) {
if (honeypot) { // if hidden form filled up
if (SHOW_DEBUG) console.log('Robot Detected!');
return true;
} if (SHOW_DEBUG) console.log('Welcome Human!');
return false;
}

function disableAllButtons(form) {
const buttons = form.querySelectorAll('button');
for (let i = 0; i < buttons.length; i += 1) {
buttons[i].disabled = true;
}

// get all data in form and return object
function getFormData() {
var form = document.getElementById("gform");
var elements = form.elements; // all form elements
var fields = Object.keys(elements).filter(function(k) {
// the filtering logic is simple, only keep fields that are not the honeypot
return (elements[k].name !== "honeypot");
}).map(function(k) {
if(elements[k].name !== undefined) {
return elements[k].name;
}

// get all data in form and return object
function getFormData() {
const form = document.getElementById('gform');
const { elements } = form; // all form elements
const fields = Object.keys(elements).filter(k => (elements[k].name !== 'honeypot')).map((k) => {
if (elements[k].name !== undefined) {
return elements[k].name;
// special case for Edge's html collection
}else if(elements[k].length > 0){
return elements[k].item(0).name;
}
}).filter(function(item, pos, self) {
return self.indexOf(item) == pos && item;
});
var data = {};
fields.forEach(function(k){
data[k] = elements[k].value;
var str = ""; // declare empty string outside of loop to allow
// it to be appended to for each item in the loop
if(elements[k].type === "checkbox"){ // special case for Edge's html collection
str = str + elements[k].checked + ", "; // take the string and append
// the current checked value to
// the end of it, along with
// a comma and a space
data[k] = str.slice(0, -2); // remove the last comma and space
// from the string to make the output
// prettier in the spreadsheet
}else if(elements[k].length){
for(var i = 0; i < elements[k].length; i++){
if(elements[k].item(i).checked){
str = str + elements[k].item(i).value + ", "; // same as above
data[k] = str.slice(0, -2);
}
} if (elements[k].length > 0) {
return elements[k].item(0).name;
}
}).filter((item, pos, self) => self.indexOf(item) === pos && item);
const data = {};
fields.forEach((k) => {
data[k] = elements[k].value;
let str = ''; // declare empty string outside of loop to allow
// it to be appended to for each item in the loop
if (elements[k].type === 'checkbox') { // special case for Edge's html collection
str = `${str + elements[k].checked}, `; // take the string and append
// the current checked value to
// the end of it, along with
// a comma and a space
data[k] = str.slice(0, -2); // remove the last comma and space
// from the string to make the output
// prettier in the spreadsheet
} else if (elements[k].length) {
for (let i = 0; i < elements[k].length; i += 1) {
if (elements[k].item(i).checked) {
str = `${str + elements[k].item(i).value}, `; // same as above
data[k] = str.slice(0, -2);
}
}
});

// add form-specific values into the data
data.formDataNameOrder = JSON.stringify(fields);
data.formGoogleSheetName = form.dataset.sheet || "responses"; // default sheet name
data.formGoogleSendEmail = form.dataset.email || ""; // no email by default
if (SHOW_DEBUG)
console.log(data);
return data;
}
});

// add form-specific values into the data
data.formDataNameOrder = JSON.stringify(fields);
data.formGoogleSheetName = form.dataset.sheet || 'responses'; // default sheet name
data.formGoogleSendEmail = form.dataset.email || ''; // no email by default
if (SHOW_DEBUG) console.log(data);
return data;
}

function handleFormSubmit(event) { // handles form submit without any jquery
event.preventDefault(); // we are submitting via xhr below
const data = getFormData(); // get the values submitted in the form

if (validateHuman(data.honeypot)) { // if form is filled, form will not be submitted
return false;
}

function handleFormSubmit(event) { // handles form submit without any jquery
event.preventDefault(); // we are submitting via xhr below
var data = getFormData(); // get the values submitted in the form

if (validateHuman(data.honeypot)) { //if form is filled, form will not be submitted

if (data.email && !validEmail(data.email)) { // if email is not valid show error
const invalidEmail = document.getElementById('email-invalid');
if (invalidEmail) {
invalidEmail.style.display = 'block';
return false;
}

if( data.email && !validEmail(data.email) ) { // if email is not valid show error
var invalidEmail = document.getElementById("email-invalid");
if (invalidEmail) {
invalidEmail.style.display = "block";
return false;
} else {
disableAllButtons(event.target);
const url = event.target.action; //
const xhr = new XMLHttpRequest();
xhr.open('POST', url);
// xhr.withCredentials = true;
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.onreadystatechange = function () {
if (SHOW_DEBUG) {
console.log(xhr.status, xhr.statusText);
console.log(xhr.responseText);
}
} else {
disableAllButtons(event.target);
var url = event.target.action; //
var xhr = new XMLHttpRequest();
xhr.open('POST', url);
// xhr.withCredentials = true;
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.onreadystatechange = function() {
if (SHOW_DEBUG){
console.log( xhr.status, xhr.statusText )
console.log(xhr.responseText);
}
document.getElementById("gform").style.display = "none"; // hide form
var thankYouMessage = document.getElementById("thankyou_message");
if (thankYouMessage) {
thankYouMessage.style.display = "block";
}

return;
};
// url encode form data for sending as post data
var encoded = Object.keys(data).map(function(k) {
return encodeURIComponent(k) + "=" + encodeURIComponent(data[k])
}).join('&')
xhr.send(encoded);
}
}
function loaded() {
if (SHOW_DEBUG)
console.log("Contact form submission handler loaded successfully.");
// bind to the submit event of our form
var form = document.getElementById("gform");
form.addEventListener("submit", handleFormSubmit, false);
};
document.addEventListener("DOMContentLoaded", loaded, false);

function disableAllButtons(form) {
var buttons = form.querySelectorAll("button");
for (var i = 0; i < buttons.length; i++) {
buttons[i].disabled = true;
}
document.getElementById('gform').style.display = 'none'; // hide form
const thankYouMessage = document.getElementById('thankyou_message');
if (thankYouMessage) {
thankYouMessage.style.display = 'block';
}
};
// url encode form data for sending as post data
const encoded = Object.keys(data).map(k => `${encodeURIComponent(k)}=${encodeURIComponent(data[k])}`).join('&');
xhr.send(encoded);
}
})();

}
function loaded() {
if (SHOW_DEBUG) console.log('Contact form submission handler loaded successfully.');
// bind to the submit event of our form
const form = document.getElementById('gform');
form.addEventListener('submit', handleFormSubmit, false);
}
document.addEventListener('DOMContentLoaded', loaded, false);
}());
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