ramda

[xingdongyu1994]

<title>菜鸟教程(runoob.com)</title> <script src="https://cdn.bootcss.com/ramda/0.24.1/ramda.js"></script> <script>

var isxiao = s => s === "xiao"
var prop = (p, obj) => obj[p];
var propRole = R.curry(prop)("name")
var getresult = R.filter(R.pipe(propRole, isxiao))
var datas=[
{"name":"xiao","age":18},
{"name":"xiao","age":18},
{"namewww":"xi","age":18},
{"name":"mi","age":18}
]

var str = 'Lorem ipsum dolor sit amet consectetur adipiscing elit';
var getsplit = s=> s.split(" ")
var getLength = w=> w.length
var getlengarr = arr => R.map(getLength, arr)
var maxnum = arrs => R.apply(Math.max, arrs)
getresult = R.pipe(
getsplit,
getlengarr,
maxnum
)
var getresult2 = R.pipe(
R.split(' '),
R.map(R.length),
R.reduce(R.max, 0)
)

var data = {
result:"sucess",
name:"xiaomi",
age:5,
tasks:[
{"id":1,"age":18,"username":"job","newdate":"2017-01-01","is":"yes"},
{"id":1,"age":18,"username":"job","newdate":"2017-08-01","is":"no"},
{"id":1,"age":18,"username":"jobs","newdate":"2017-02-01","is":"no"},
{"id":1,"age":18,"username":"jobs","newdate":"2017-09-01","is":"yes"},
{"id":1,"age":18,"username":"jobs","newdate":"2017-03-01","is":"yes"},
{"id":1,"age":18,"username":"jobs","newdate":"2017-01-01","is":"yes"},
{"id":1,"age":18,"username":"jobs","newdate":"2017-11-01","is":"yes"},
{"id":1,"age":18,"username":"job","newdate":"2017-03-01","is":"yes"}
]
}
//提取tasks属性
var onetasks = R.prop("tasks")
//过滤出指定的用户
var filterMember = member => R.filter(
R.propEq('username', member)
);
//在去过滤掉 is都是no的 剩下都是yes的
var rejectarr = nober => R.reject(
R.propEq("is",nober)
)
// 在去按照日期来排序
var sortdate = R.sortBy(R.prop('newdate'))
var lastresult = R.pipe(
onetasks,
filterMember("jobs"),
rejectarr("no"),
sortdate
)
console.log("AAAAAAAAAAAAAAA", data)
console.log("BBBBBBBBBBB", lastresult(data))
</script>