blob: 1c1c96641a4300c6b613e89d46c57fca0d3619fe [file] [log] [blame]
/* eslint-disable node/no-unsupported-features/es-syntax */
// We copy the regular expression so as to be able to always ensure the
// exec expression is a global one (and thereby prevent recursion)
import mixinRegex from './mixinRegex.js';
class RegExtras {
constructor (regex, flags, newLastIndex) {
this.regex = mixinRegex(
(typeof regex === 'string' ? new RegExp(regex) : mixinRegex(regex)),
flags || '',
newLastIndex
);
}
forEach (str, cb, thisObj = null) {
const regex = mixinRegex(this.regex, 'g');
let matches, n0, i = 0;
while ((matches = regex.exec(str)) !== null) {
n0 = matches.splice(0, 1);
cb.apply(thisObj, matches.concat(i++, n0));
}
return this;
}
some (str, cb, thisObj = null) {
const regex = mixinRegex(this.regex, 'g');
let matches, ret, n0, i = 0;
while ((matches = regex.exec(str)) !== null) {
n0 = matches.splice(0, 1);
ret = cb.apply(thisObj, matches.concat(i++, n0));
if (ret) {
return true;
}
}
return false;
}
every (str, cb, thisObj = null) {
const regex = mixinRegex(this.regex, 'g');
let matches, ret, n0, i = 0;
while ((matches = regex.exec(str)) !== null) {
n0 = matches.splice(0, 1);
ret = cb.apply(thisObj, matches.concat(i++, n0));
if (!ret) {
return false;
}
}
return true;
}
map (str, cb, thisObj = null) {
const ret = [];
const regex = mixinRegex(this.regex, 'g');
let matches, n0, i = 0;
while ((matches = regex.exec(str)) !== null) {
n0 = matches.splice(0, 1);
ret.push(cb.apply(thisObj, matches.concat(i++, n0)));
}
return ret;
}
filter (str, cb, thisObj = null) {
let matches, n0, i = 0;
const ret = [], regex = mixinRegex(this.regex, 'g');
while ((matches = regex.exec(str)) !== null) {
n0 = matches.splice(0, 1);
matches = matches.concat(i++, n0);
if (cb.apply(thisObj, matches)) {
ret.push(n0[0]);
}
}
return ret;
}
reduce (str, cb, prev, thisObj = null) {
let matches, n0, i = 0;
const regex = mixinRegex(this.regex, 'g');
if (!prev) {
if ((matches = regex.exec(str)) !== null) {
n0 = matches.splice(0, 1);
prev = cb.apply(thisObj, [''].concat(matches.concat(i++, n0)));
}
}
while ((matches = regex.exec(str)) !== null) {
n0 = matches.splice(0, 1);
prev = cb.apply(thisObj, [prev].concat(matches.concat(i++, n0)));
}
return prev;
}
reduceRight (str, cb, prevOrig, thisObjOrig) {
let matches, n0, i, thisObj = thisObjOrig, prev = prevOrig;
const matchesContainer = [],
regex = mixinRegex(this.regex, 'g');
thisObj = thisObj || null;
while ((matches = regex.exec(str)) !== null) {
matchesContainer.push(matches);
}
i = matchesContainer.length;
if (!i) {
if (arguments.length < 3) {
throw new TypeError(
'reduce of empty matches array with no initial value'
);
}
return prev;
}
if (!prev) {
matches = matchesContainer.splice(-1)[0];
n0 = matches.splice(0, 1);
prev = cb.apply(thisObj, [''].concat(matches.concat(i--, n0)));
}
matchesContainer.reduceRight((container, mtches) => {
n0 = mtches.splice(0, 1);
prev = cb.apply(thisObj, [prev].concat(mtches.concat(i--, n0)));
return container;
}, matchesContainer);
return prev;
}
find (str, cb, thisObj = null) {
let matches, ret, n0, i = 0;
const regex = mixinRegex(this.regex, 'g');
while ((matches = regex.exec(str)) !== null) {
n0 = matches.splice(0, 1);
ret = cb.apply(thisObj, matches.concat(i++, n0));
if (ret) {
return n0[0];
}
}
return false;
}
findIndex (str, cb, thisObj = null) {
const regex = mixinRegex(this.regex, 'g');
let matches, i = 0;
while ((matches = regex.exec(str)) !== null) {
const n0 = matches.splice(0, 1);
const ret = cb.apply(thisObj, matches.concat(i++, n0));
if (ret) {
return i - 1;
}
}
return -1;
}
findExec (str, cb, thisObj = null) {
const regex = mixinRegex(this.regex, 'g');
let matches, i = 0;
while ((matches = regex.exec(str)) !== null) {
const n0 = matches.splice(0, 1);
const ret = cb.apply(thisObj, matches.concat(i++, n0));
if (ret) {
return matches;
}
}
return false;
}
filterExec (str, cb, thisObj = null) {
let matches, n0, i = 0;
const ret = [], regex = mixinRegex(this.regex, 'g');
while ((matches = regex.exec(str)) !== null) {
n0 = matches.splice(0, 1);
matches.push(i++, n0[0]);
if (cb.apply(thisObj, matches)) {
ret.push(matches);
}
}
return ret;
}
}
const _RegExtras = RegExtras;
RegExtras = function (...args) { // eslint-disable-line no-class-assign
return new _RegExtras(...args);
};
RegExtras.prototype = _RegExtras.prototype;
RegExtras.mixinRegex = mixinRegex;
export {mixinRegex, RegExtras};