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object to array
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import React from "react"; | |
// import { Radio, Button } from 'antd'; | |
import VisualChart from './visual-chart'; | |
// Hooks | |
import { useQueryCharts } from './hooks/useQueryCharts'; | |
//CSS | |
import './charts.scss'; | |
const Charts = () => { | |
const { loadingQuery, errorQuery, dataQuery } = useQueryCharts(); | |
const filterArray = (arr) => { | |
var index = -1, | |
arr_length = arr ? arr.length : 0, | |
resIndex = -1, | |
result = []; | |
while (++index < arr_length) | |
{ | |
const value = arr[ index ]; | |
if (value) | |
{ | |
result[ ++resIndex ] = value; | |
} | |
} | |
return result; | |
} | |
const loaderQueryJSX = loadingQuery && ( | |
<p>Loading...</p> | |
); | |
const errorQueryJSX = errorQuery && ( | |
<p> | |
We have a problem: { errorQuery.message } | |
</p> | |
); | |
const ListCountItems = dataQuery && ( | |
() => { | |
let arr = Array.from(Object.entries(dataQuery)); // делаю из объекта массив и перебираю массив функцией map() | |
// console.log(arr) | |
return ( | |
//многомерный массив | |
arr.map( | |
(item) => { | |
const key = item[ 0 ]; | |
const countArr = filterArray(item[ 1 ]); | |
console.log(countArr) | |
return ( | |
countArr.map( | |
({ date, per_day, total }) => <li key={ key }>{ key }: { total }</li> | |
) | |
) | |
} | |
) | |
) | |
} | |
); | |
const dataQueryJSX = dataQuery && ( | |
<ul> | |
<ListCountItems /> | |
</ul> | |
); | |
return ( | |
<> | |
{ dataQueryJSX } | |
{ loaderQueryJSX } | |
{ errorQueryJSX } | |
</> | |
) | |
}; | |
export default Charts; | |
//перебираю for | |
import React from "react"; | |
// import { Radio, Button } from 'antd'; | |
import VisualChart from './visual-chart'; | |
// Hooks | |
import { useQueryCharts } from './hooks/useQueryCharts'; | |
//CSS | |
import './charts.scss'; | |
const Charts = () => { | |
const { loadingQuery, errorQuery, dataQuery } = useQueryCharts(); | |
const filterArray = (arr) => { | |
var index = -1, | |
arr_length = arr ? arr.length : 0, | |
resIndex = -1, | |
result = []; | |
while (++index < arr_length) | |
{ | |
const value = arr[ index ]; | |
if (value) | |
{ | |
result[ ++resIndex ] = value; | |
} | |
} | |
return result; | |
} | |
const loaderQueryJSX = loadingQuery && ( | |
<p>Loading...</p> | |
); | |
const errorQueryJSX = errorQuery && ( | |
<p> | |
We have a problem: { errorQuery.message } | |
</p> | |
); | |
const ListCountItems = dataQuery && ( | |
() => { | |
for (let [ key, countArr ] of Object.entries(dataQuery)) // получаю объект и перебираю функцией for | |
{ | |
const filteredCountArr = filterArray(countArr); | |
console.log(dataQuery) | |
return filteredCountArr.map( //выйдет из цикла после первой итерации из за return | |
({ date, per_day, total }) => <li>{ `${ key }` }_total: { total }</li> | |
) | |
} | |
return null; | |
} | |
); | |
const dataQueryJSX = dataQuery && ( | |
<ul> | |
<ListCountItems /> | |
</ul> | |
); | |
return ( | |
<> | |
{ dataQueryJSX } | |
{ loaderQueryJSX } | |
{ errorQueryJSX } | |
</> | |
) | |
}; | |
export default Charts; |
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