I have a string (this is the very very very very long string) and what I want is to split it into part with less that 25 characters and the parts must have complete words like this:
this is the very very and very very long string not this is the very very ver and y very long string .
A reduce based approach which concatenates and collects such partials and also does limit each partial's concatenated length could be implemented similar to the next provided example code ...
function concatAndCollectPartialsOfLimitedLength(collector, str) {
const { limit = 24, list } = collector;
const lastIdx = list.length - 1;
const partial = list[lastIdx];
if (partial && (partial.length + str.length + 1 <= limit)) {
// concatenate if partial exists and if the length of its
// next concatenated version does not exceed the limit ...
list[lastIdx] = [partial, str].join(' ');
} else {
// ... otherwise provide and collect the base
// for the following concatenation step(s).
list.push(str);
}
return collector;
}
console.log(
'concatenated partial length is limited to 24 chars ...',
"this is the very very very very long string and some more of it and even more"
.trim()
.split(/\s+/)
.reduce(concatAndCollectPartialsOfLimitedLength, { list: [] })
.list
);
console.log(
'concatenated partial length is limited to 13 chars ...',
"this is the very very very very long string and some more of it and even more"
.trim()
.split(/\s+/)
.reduce(
concatAndCollectPartialsOfLimitedLength,
{ limit: 13, list: [] }
)
.list
);
console.log(
'concatenated partial length is limited to 31 chars ...',
"this is the very very very very long string and some more of it and even more"
.trim()
.split(/\s+/)
.reduce(
concatAndCollectPartialsOfLimitedLength,
{ limit: 31, list: [] }
)
.list
);.as-console-wrapper { min-height: 100%!important; top: 0; }this is how I solved that:
function stringSeperator( str, n ){
// str: your string , n: max length of each part
let j = 0
let sepArr = [""]
let strArr = str.split(" ")
for(let i=0 ; i<strArr.length ; i++){
if(sepArr[j].length + strArr[i].length >= n){
j++
sepArr[j] = ""
}
sepArr[j] += strArr[i] + " "
}
return sepArr
}
which will return a array of string's parts. I also added a space to end of each part that can be omitted