我有一个数组,我想根据值'Finished'将其拆分为多个数组,当我找到它时,我拆分了该数组。
我的代码是:
var input = ['urlGettingF', '├─BROKEN─aquaHTTP_404', '├─BROKEN─url1HTTP_404' , 'ok', 'urlok', 'Finished',
'urlGettingF2', '├─BROKEN─url1HTTP_404','├─BROKEN─url21HTTP_404', 'Finished',
'urlGettingF3', '├─BROKEN─url3HTTP_404','├─BROKEN─url213HTTP_404', 'Finished'
];
function chunkArray(array, size) {
let result = []
for (value of array) {
let lastArray = result[result.length - 1]
if (!lastArray || lastArray.length == size) {
result.push([value])
} else {
lastArray.push(value)
}
}
return result
}
const x = input.findIndex(element => element.indexOf('Finished') > -1)
console.log(chunkArray(input, x + 1));
当我运行它时,我得到:
但是我希望结果将是:
[["urlGettingF", "├─BROKEN─aquaHTTP_404", "├─BROKEN─url1HTTP_404", "ok", "urlok", "Finished"], ["urlGettingF2", "├─BROKEN─url1HTTP_404", "├─BROKEN─url21HTTP_404", "Finished"], ["urlGettingF3", "├─BROKEN─url3HTTP_404", "├─BROKEN─url213HTTP_404", "Finished"]]
[当我找到Finished
时,我根据她的索引拆分了数组,您可以在jsbin中看到我的代码https://jsbin.com/benozuyutu/1/edit?js,console
我该如何解决?
var input = ['urlGettingF', '├─BROKEN─aquaHTTP_404', '├─BROKEN─url1HTTP_404', 'ok', 'urlok', 'Finished',
'urlGettingF2', '├─BROKEN─url1HTTP_404', '├─BROKEN─url21HTTP_404', 'Finished',
'urlGettingF3', '├─BROKEN─url3HTTP_404', '├─BROKEN─url213HTTP_404', 'Finished'
];
function chunkArray(arr) {
let result = [
[]
];
let index = 0;
arr.forEach((x, i) => {
result[index].push(x);
if ((i + 1) < arr.length && x.includes('Finished')) {
index++;
result[index] = [];
}
});
return result
}
console.log(chunkArray(input));
您可能会用Finished
找到所有出现的.reduce
,然后通过在找到的索引处每个出现的地方.slice
创建一个新的数组:
var input = ['urlGettingF', '├─BROKEN─aquaHTTP_404', '├─BROKEN─url1HTTP_404', 'ok', 'urlok', 'Finished',
'urlGettingF2', '├─BROKEN─url1HTTP_404', '├─BROKEN─url21HTTP_404', 'Finished',
'urlGettingF3', '├─BROKEN─url3HTTP_404', '├─BROKEN─url213HTTP_404', 'Finished'
];
const finishedIndicies = input.reduce((a, item, i) => {
if (item === 'Finished') {
a.push(i);
}
return a;
}, []);
const chunked = finishedIndicies.map(
(sliceIndex, i, arr) => input.slice(arr[i - 1] === undefined ? 0 : arr[i - 1] + 1, sliceIndex + 1)
);
console.log(chunked);
input
.join(' ')
.split('Finished')
.map(item => item.split(' ').filter(item => item))
.filter(item => item.length)
.map(item => [...item, 'Finished'])