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1 file changed, 22 insertions
fold.ts(archivo creado)
| @@ -0,0 +1,22 @@ | |||
| 1 | + | export const fold = (str: string, len?: number) => { | |
| 2 | + | len = len !== undefined ? len - 1 : 79; | |
| 3 | + | const split = str.split(" "); | |
| 4 | + | let strarr = []; | |
| 5 | + | let strlen = 0; | |
| 6 | + | do { | |
| 7 | + | let w = split.shift(), wlen = w.length; | |
| 8 | + | if (strlen + wlen > len) { | |
| 9 | + | strarr.push('\n' + w); | |
| 10 | + | strlen = wlen; | |
| 11 | + | continue; | |
| 12 | + | } else if (strlen + wlen == len) { | |
| 13 | + | strarr.push(w + '\n'); | |
| 14 | + | strlen = wlen; | |
| 15 | + | continue; | |
| 16 | + | } else { | |
| 17 | + | strarr.push(w); | |
| 18 | + | strlen += wlen + 1; | |
| 19 | + | } | |
| 20 | + | } while (split.length > 0); | |
| 21 | + | return strarr.join(" "); | |
| 22 | + | } | |
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