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leancloud.js
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leancloud.js
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/* global CONFIG */
// eslint-disable-next-line no-console
(
function
(
window
,
document
)
{
// 查询存储的记录
function
getRecord
(
Counter
,
target
)
{
return
new
Promise
(
function
(
resolve
,
reject
)
{
Counter
(
'get'
,
'/classes/Counter?where='
+
encodeURIComponent
(
JSON
.
stringify
(
{
target
}
)
)
)
.
then
(
resp
=>
resp
.
json
(
)
)
.
then
(
(
{
results
,
code
,
error
}
)
=>
{
if
(
code
===
401
)
{
throw
error
;
}
if
(
results
&&
results
.
length
>
0
)
{
var
record
=
results
[
0
]
;
resolve
(
record
)
;
}
else
{
Counter
(
'post'
,
'/classes/Counter'
,
{
target
,
time
:
0
}
)
.
then
(
resp
=>
resp
.
json
(
)
)
.
then
(
(
record
,
error
)
=>
{
if
(
error
)
{
throw
error
;
}
resolve
(
record
)
;
}
)
.
catch
(
error
=>
{
console
.
error
(
'Failed to create: '
,
error
)
;
reject
(
error
)
;
}
)
;
}
}
)
.
catch
(
(
error
)
=>
{
console
.
error
(
'LeanCloud Counter Error: '
,
error
)
;
reject
(
error
)
;
}
)
;
}
)
;
}
// 发起自增请求
function
increment
(
Counter
,
incrArr
)
{
return
new
Promise
(
function
(
resolve
,
reject
)
{
Counter
(
'post'
,
'/batch'
,
{
'requests'
:
incrArr
}
)
.
then
(
(
res
)
=>
{
res
=
res
.
json
(
)
;
if
(
res
.
error
)
{
throw
res
.
error
;
}
resolve
(
res
)
;
}
)
.
catch
(
(
error
)
=>
{
console
.
error
(
'Failed to save visitor count: '
,
error
)
;
reject
(
error
)
;
}
)
;
}
)
;
}
// 构建自增请求体
function
buildIncrement
(
objectId
)
{
return
{
'method'
:
'PUT'
,
'path'
:
`/1.1/classes/Counter/
${
objectId
}
`
,
'body'
:
{
'time'
:
{
'__op'
:
'Increment'
,
'amount'
:
1
}
}
}
;
}
// 校验是否为有效的 Host
function
validHost
(
)
{
if
(
CONFIG
.
web_analytics
.
leancloud
.
ignore_local
)
{
var
hostname
=
window
.
location
.
hostname
;
if
(
hostname
===
'localhost'
||
hostname
===
'127.0.0.1'
)
{
return
false
;
}
}
return
true
;
}
// 校验是否为有效的 UV
function
validUV
(
)
{
var
key
=
'LeanCloud_UV_Flag'
;
var
flag
=
localStorage
.
getItem
(
key
)
;
if
(
flag
)
{
// 距离标记小于 24 小时则不计为 UV
if
(
new
Date
(
)
.
getTime
(
)
-
parseInt
(
flag
,
10
)
<=
86400000
)
{
return
false
;
}
}
localStorage
.
setItem
(
key
,
new
Date
(
)
.
getTime
(
)
.
toString
(
)
)
;
return
true
;
}
function
addCount
(
Counter
)
{
var
enableIncr
=
CONFIG
.
web_analytics
.
enable
&&
!
Fluid
.
ctx
.
dnt
&&
validHost
(
)
;
var
getterArr
=
[
]
;
var
incrArr
=
[
]
;
// 请求 PV 并自增
var
pvCtn
=
document
.
querySelector
(
'#leancloud-site-pv-container'
)
;
if
(
pvCtn
)
{
var
pvGetter
=
getRecord
(
Counter
,
'site-pv'
)
.
then
(
(
record
)
=>
{
enableIncr
&&
incrArr
.
push
(
buildIncrement
(
record
.
objectId
)
)
;
var
ele
=
document
.
querySelector
(
'#leancloud-site-pv'
)
;
if
(
ele
)
{
ele
.
innerText
=
(
record
.
time
||
0
)
+
(
enableIncr
?
1
:
0
)
;
pvCtn
.
style
.
display
=
'inline'
;
}
}
)
;
getterArr
.
push
(
pvGetter
)
;
}
// 请求 UV 并自增
var
uvCtn
=
document
.
querySelector
(
'#leancloud-site-uv-container'
)
;
if
(
uvCtn
)
{
var
uvGetter
=
getRecord
(
Counter
,
'site-uv'
)
.
then
(
(
record
)
=>
{
var
incrUV
=
validUV
(
)
&&
enableIncr
;
incrUV
&&
incrArr
.
push
(
buildIncrement
(
record
.
objectId
)
)
;
var
ele
=
document
.
querySelector
(
'#leancloud-site-uv'
)
;
if
(
ele
)
{
ele
.
innerText
=
(
record
.
time
||
0
)
+
(
incrUV
?
1
:
0
)
;
uvCtn
.
style
.
display
=
'inline'
;
}
}
)
;
getterArr
.
push
(
uvGetter
)
;
}
// 如果有页面浏览数节点,则请求浏览数并自增
var
viewCtn
=
document
.
querySelector
(
'#leancloud-page-views-container'
)
;
if
(
viewCtn
)
{
var
path
=
eval
(
CONFIG
.
web_analytics
.
leancloud
.
path
||
'window.location.pathname'
)
;
var
target
=
decodeURI
(
path
.
replace
(
/
\/
*
(
i
n
d
e
x
.
h
t
m
l
)
?
$
/
,
'/'
)
)
;
var
viewGetter
=
getRecord
(
Counter
,
target
)
.
then
(
(
record
)
=>
{
enableIncr
&&
incrArr
.
push
(
buildIncrement
(
record
.
objectId
)
)
;
var
ele
=
document
.
querySelector
(
'#leancloud-page-views'
)
;
if
(
ele
)
{
ele
.
innerText
=
(
record
.
time
||
0
)
+
(
enableIncr
?
1
:
0
)
;
viewCtn
.
style
.
display
=
'inline'
;
}
}
)
;
getterArr
.
push
(
viewGetter
)
;
}
// 如果启动计数自增,批量发起自增请求
if
(
enableIncr
)
{
Promise
.
all
(
getterArr
)
.
then
(
(
)
=>
{
incrArr
.
length
>
0
&&
increment
(
Counter
,
incrArr
)
;
}
)
;
}
}
var
appId
=
CONFIG
.
web_analytics
.
leancloud
.
app_id
;
var
appKey
=
CONFIG
.
web_analytics
.
leancloud
.
app_key
;
var
serverUrl
=
CONFIG
.
web_analytics
.
leancloud
.
server_url
;
if
(
!
appId
)
{
throw
new
Error
(
'LeanCloud appId is empty'
)
;
}
if
(
!
appKey
)
{
throw
new
Error
(
'LeanCloud appKey is empty'
)
;
}
function
fetchData
(
api_server
)
{
var
Counter
=
(
method
,
url
,
data
)
=>
{
return
fetch
(
`
${
api_server
}
/1.1
${
url
}
`
,
{
method
,
headers
:
{
'X-LC-Id'
:
appId
,
'X-LC-Key'
:
appKey
,
'Content-Type'
:
'application/json'
}
,
body
:
JSON
.
stringify
(
data
)
}
)
;
}
;
addCount
(
Counter
)
;
}
var
apiServer
=
serverUrl
||
`https://
${
appId
.
slice
(
0
,
8
)
.
toLowerCase
(
)
}
.api.lncldglobal.com`
;
if
(
apiServer
)
{
fetchData
(
apiServer
)
;
}
else
{
fetch
(
'https://app-router.leancloud.cn/2/route?appId='
+
appId
)
.
then
(
resp
=>
resp
.
json
(
)
)
.
then
(
(
data
)
=>
{
if
(
data
.
api_server
)
{
fetchData
(
'https://'
+
data
.
api_server
)
;
}
}
)
;
}
}
)
(
window
,
document
)
;
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