plugins trim.js

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  import {toStr} from "../helpers/string/to_string";
import { REGEXP_TRIM_LEFT, REGEXP_TRIM_RIGHT } from "../helpers/regexp/regexp";
 
const reduce = Array.prototype.reduce;
const reduceRight = Array.prototype.reduceRight;
 
export const trim = (s, ws) => ltrim(rtrim(s, ws), ws)
 
export const ltrim = (s, ws) => {
    let _s = toStr(s)
 
    if (!ws) {return _s.replace(REGEXP_TRIM_LEFT, '')}
    if (ws === '' || _s === '') {return _s}
    if (typeof ws !== "string") {ws = ''}
 
    let match = true
 
    return reduce.call(
        _s,
        (trimmed, char) => {
            if (match && ws.includes(char)) {
                return trimmed;
            }
            match = false
            return trimmed + char
        },
        ''
    );
}
 
export const rtrim = (s, ws) => {
    let _s = toStr(s)
 
    if (!ws) {return _s.replace(REGEXP_TRIM_RIGHT, '')}
    if (ws === '' || _s === '') {return _s}
    if (typeof ws !== "string") {ws = ''}
 
    let match = true
 
    return reduceRight.call(
        _s,
        (trimmed, char) => {
            if (match && ws.includes(char)) {
                return trimmed
            }
            match = false
            return char + trimmed
        },
        ''
    );
}