-
Notifications
You must be signed in to change notification settings - Fork 0
/
scripts.js
163 lines (142 loc) · 3.96 KB
/
scripts.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
const triviasAmount = 50
const showText = "Show answer"
let answer = ""
let isTouchingAnswer = false
let trivias = []
let triviaIndex = 0
const questionElem = document.querySelector(".trivia-question")
const optionsGridElem = document.querySelector(".trivia-options-grid")
const answerElem = document.querySelector(".trivia-answer")
const loadingElem = document.querySelector(".trivia-loading")
const triviaButtonElem = document.querySelector(".trivia-button")
document.addEventListener("DOMContentLoaded", () => {
answerElem.addEventListener("click", toggleAnswer)
answerElem.addEventListener("mouseover", showAnswer)
answerElem.addEventListener("mouseleave", resetAnswer)
answerElem.addEventListener("touchstart", handleAnswerTouchStart, {
passive: true,
})
answerElem.addEventListener("touchend", handleAnswerTouchEnd)
document.addEventListener("touchmove", handleTouchMove)
triviaButtonElem.addEventListener("click", setTrivia)
fetchTrivia()
})
function handleAnswerTouchStart(event) {
event.stopPropagation()
isTouchingAnswer = true
document.body.style.overflow = "hidden"
}
function handleAnswerTouchEnd(event) {
event.stopPropagation()
isTouchingAnswer = false
document.body.style.overflow = "auto"
}
function handleTouchMove(event) {
if (!isTouchingAnswer) {
document.body.style.overflow = "auto"
} else {
document.body.style.overflow = "hidden"
}
}
function fetchTrivia() {
setLoading(true)
fetch(`https://opentdb.com/api.php?amount=${triviasAmount}`)
.then((response) => response.json())
.then((data) => {
trivias = []
triviaIndex = 0
data.results.forEach((result) => {
let options = result.incorrect_answers
options.push(result.correct_answer)
let trivia = {
question: result.question,
type: result.type,
correct: result.correct_answer,
options: options,
}
trivias.push(trivia)
})
setLoading(false)
setTrivia()
})
.catch((error) => {
setLoading(true)
setTimeout(fetchTrivia, 2000)
})
}
function setLoading(loading) {
loadingElem.style.display = loading ? "block" : "none"
}
function isLoading() {
return loadingElem.style.display === "block"
}
function setTrivia() {
resetTrivia()
if (isLoading()) {
return
}
if (triviaIndex === triviasAmount) {
fetchTrivia()
} else {
let trivia = trivias[triviaIndex]
answer = trivia.correct
formatOptions(trivia.options, trivia.type)
questionElem.innerText = decodeHTML(trivia.question)
answerElem.innerText = showText
triviaIndex++
}
}
function resetTrivia() {
questionElem.innerText = ""
answerElem.innerText = ""
optionsGridElem.innerHTML = ""
}
function formatOptions(options, type) {
options.sort()
if (type === "boolean") {
options.reverse()
}
let counter = 0
for (let i = 0; i < options.length; i++) {
const row = document.createElement("div")
if (counter % 2 === 0) {
row.classList.add("row")
optionsGridElem.appendChild(row)
}
const column = document.createElement("div")
column.classList.add("column")
column.textContent = `${String.fromCharCode(i + 65)})`
const option = document.createElement("span")
option.textContent = decodeHTML(options[i])
column.appendChild(option)
row.appendChild(column)
counter++
optionsGridElem.appendChild(row)
}
}
function decodeHTML(html) {
const text = document.createElement("textarea")
text.innerHTML = html
return text.value
}
function showAnswer() {
if (!isLoading()) {
answerElem.innerText = decodeHTML(answer)
}
}
function resetAnswer() {
if (!isLoading()) {
answerElem.innerText = showText
}
}
function toggleAnswer() {
if (!isLoading()) {
if (answerElem.classList.contains("active")) {
answerElem.classList.remove("active")
answerElem.innerText = showText
} else {
answerElem.classList.add("active")
answerElem.innerText = decodeHTML(answer)
}
}
}