Inputmask/lib/validation-tests.js

import Inputmask from "./inputmask";
import { getLastValidPosition, seekNext } from "./positioning";

export {
  determineTestTemplate,
  getDecisionTaker,
  getMaskTemplate,
  getPlaceholder,
  getTest,
  getTests,
  getTestTemplate,
  isSubsetOf
};

function getLocator(tst, align) {
  // need to align the locators to be correct
  let locator = (
    tst.alternation != undefined ? tst.mloc[getDecisionTaker(tst)] : tst.locator
  ).join("");
  if (locator !== "") {
    locator = locator.split(":")[0]; // strip off alternation marker
    while (locator.length < align) locator += "0";
  }
  return locator;
}

function getDecisionTaker(tst) {
  let decisionTaker = tst.locator[tst.alternation];
  if (typeof decisionTaker === "string" && decisionTaker.length > 0) {
    // no decision taken ~ take first one as decider
    decisionTaker = decisionTaker.split(",")[0];
  }
  return decisionTaker !== undefined ? decisionTaker.toString() : "";
}

// tobe put on prototype?
function getPlaceholder(pos, test, returnPL) {
  const inputmask = this,
    opts = this.opts,
    maskset = this.maskset;

  test = test || getTest.call(inputmask, pos).match;

  if (test.placeholder !== undefined || returnPL === true) {
    if (
      test.placeholder !== "" &&
      test.static === true &&
      test.generated !== true
    ) {
      // static and not dynamically generated ~ does not occur in regex mask ~ numeric alias def is not a valid entry
      const lvp = getLastValidPosition.call(inputmask, pos),
        nextPos = seekNext.call(inputmask, lvp);
      return (returnPL ? pos <= nextPos : pos < nextPos)
        ? opts.staticDefinitionSymbol && test.static
          ? test.nativeDef
          : test.def
        : typeof test.placeholder === "function"
        ? test.placeholder(opts)
        : test.placeholder;
    } else {
      return typeof test.placeholder === "function"
        ? test.placeholder(opts)
        : test.placeholder;
    }
  } else if (test.static === true) {
    if (pos > -1 && maskset.validPositions[pos] === undefined) {
      let tests = getTests.call(inputmask, pos),
        staticAlternations = [],
        prevTest;
      if (
        typeof opts.placeholder === "string" &&
        tests.length > 1 + (tests[tests.length - 1].match.def === "" ? 1 : 0)
      ) {
        for (let i = 0; i < tests.length; i++) {
          if (
            tests[i].match.def !== "" &&
            tests[i].match.optionality !== true &&
            tests[i].match.optionalQuantifier !== true &&
            (tests[i].match.static === true ||
              prevTest === undefined ||
              tests[i].match.fn.test(
                prevTest.match.def,
                maskset,
                pos,
                true,
                opts
              ) !== false)
          ) {
            staticAlternations.push(tests[i]);
            if (tests[i].match.static === true) prevTest = tests[i];
            if (staticAlternations.length > 1) {
              if (/[0-9a-bA-Z]/.test(staticAlternations[0].match.def)) {
                return opts.placeholder.charAt(pos % opts.placeholder.length);
              }
            }
          }
        }
      }
    }
    return test.def;
  }

  return typeof opts.placeholder === "object"
    ? test.def
    : opts.placeholder.charAt(pos % opts.placeholder.length);
}

// tobe put on prototype?
function getMaskTemplate(
  baseOnInput,
  minimalPos,
  includeMode,
  noJit,
  clearOptionalTail
) {
  // includeMode true => input, undefined => placeholder, false => mask

  const inputmask = this,
    opts = this.opts,
    maskset = this.maskset,
    greedy = opts.greedy;
  if (clearOptionalTail && opts.greedy) {
    opts.greedy = false;
    inputmask.maskset.tests = {};
  }
  minimalPos = minimalPos || 0;
  let maskTemplate = [],
    ndxIntlzr,
    pos = 0,
    test,
    testPos,
    jitRenderStatic;
  do {
    if (baseOnInput === true && maskset.validPositions[pos]) {
      testPos =
        clearOptionalTail &&
        maskset.validPositions[pos].match.optionality &&
        maskset.validPositions[pos + 1] === undefined &&
        (maskset.validPositions[pos].generatedInput === true ||
          (maskset.validPositions[pos].input ==
            opts.skipOptionalPartCharacter &&
            pos > 0))
          ? determineTestTemplate.call(
              inputmask,
              pos,
              getTests.call(inputmask, pos, ndxIntlzr, pos - 1)
            )
          : maskset.validPositions[pos];
      test = testPos.match;
      ndxIntlzr = testPos.locator.slice();
      maskTemplate.push(
        includeMode === true
          ? testPos.input
          : includeMode === false
          ? test.nativeDef
          : getPlaceholder.call(inputmask, pos, test)
      );
    } else {
      testPos = getTestTemplate.call(inputmask, pos, ndxIntlzr, pos - 1);
      test = testPos.match;
      ndxIntlzr = testPos.locator.slice();
      const jitMasking =
        noJit === true
          ? false
          : opts.jitMasking !== false
          ? opts.jitMasking
          : test.jit;
      // check for groupSeparator is a hack for the numerics as we don't want the render of the groupSeparator beforehand
      jitRenderStatic =
        (jitRenderStatic ||
          maskset.validPositions[
            pos - 1
          ]) /* && getTest.call(inputmask, pos + 1).match.def == "" */ &&
        test.static &&
        test.def !== opts.groupSeparator &&
        test.fn === null;

      if (
        jitRenderStatic ||
        jitMasking === false ||
        jitMasking === undefined /* || pos < lvp */ ||
        (typeof jitMasking === "number" &&
          isFinite(jitMasking) &&
          jitMasking > pos)
      ) {
        maskTemplate.push(
          includeMode === false
            ? test.nativeDef
            : getPlaceholder.call(inputmask, maskTemplate.length, test)
        );
      } else {
        jitRenderStatic = false;
      }
    }

    pos++;
  } while (test.static !== true || test.def !== "" || minimalPos > pos);
  if (maskTemplate[maskTemplate.length - 1] === "") {
    maskTemplate.pop(); // drop the last one which is empty
  }
  if (
    includeMode !== false || // do not alter the masklength when just retrieving the maskdefinition
    maskset.maskLength === undefined
  ) {
    // just make sure the maskLength gets initialized in all cases (needed for isValid)
    maskset.maskLength = pos - 1;
  }

  opts.greedy = greedy;
  return maskTemplate;
}

// tobe put on prototype?
function getTestTemplate(pos, ndxIntlzr, tstPs) {
  const inputmask = this,
    maskset = this.maskset;

  return (
    maskset.validPositions[pos] ||
    determineTestTemplate.call(
      inputmask,
      pos,
      getTests.call(
        inputmask,
        pos,
        ndxIntlzr ? ndxIntlzr.slice() : ndxIntlzr,
        tstPs
      )
    )
  );
}

// tobe put on prototype?
function determineTestTemplate(pos, tests) {
  let inputmask = this,
    opts = this.opts,
    lenghtOffset = 0,
    optionalityLevel = determineOptionalityLevel(pos, tests);
  pos = pos > 0 ? pos - 1 : 0;
  let altTest = getTest.call(inputmask, pos),
    targetLocator = getLocator(altTest),
    tstLocator,
    closest,
    bestMatch;
  if (
    opts.greedy &&
    tests.length > 1 &&
    tests[tests.length - 1].match.def === ""
  )
    lenghtOffset = 1;
  // console.log(" optionality = " + optionalityLevel);
  // console.log(" - " + JSON.stringify(tests));
  for (let ndx = 0; ndx < tests.length - lenghtOffset; ndx++) {
    // find best matching
    const tst = tests[ndx];
    tstLocator = getLocator(tst, targetLocator.length);
    const distance = Math.abs(tstLocator - targetLocator);

    if (
      tst.unMatchedAlternationStopped !== true ||
      tests.filter((tst) => tst.unMatchedAlternationStopped !== true).length <=
        1
    ) {
      // only skip when there are choices outside the alternation
      if (
        closest === undefined ||
        (tstLocator !== "" && distance < closest) ||
        (bestMatch &&
          !opts.greedy &&
          bestMatch.match.optionality &&
          bestMatch.match.optionality - optionalityLevel > 0 &&
          bestMatch.match.newBlockMarker === "master" &&
          (!tst.match.optionality ||
            tst.match.optionality - optionalityLevel < 1 ||
            !tst.match.newBlockMarker)) ||
        (bestMatch &&
          !opts.greedy &&
          bestMatch.match.optionalQuantifier &&
          !tst.match.optionalQuantifier)
      ) {
        closest = distance;
        bestMatch = tst;
      }
    }
  }
  return bestMatch;
}

function determineOptionalityLevel(pos, tests) {
  let optionalityLevel = 0,
    differentOptionalLevels = false;
  tests.forEach((test) => {
    if (test.match.optionality) {
      if (optionalityLevel !== 0 && optionalityLevel !== test.match.optionality)
        differentOptionalLevels = true;
      if (optionalityLevel === 0 || optionalityLevel > test.match.optionality) {
        optionalityLevel = test.match.optionality;
      }
    }
  });
  if (optionalityLevel) {
    if (pos == 0) optionalityLevel = 0;
    else if (tests.length == 1) optionalityLevel = 0;
    else if (!differentOptionalLevels) optionalityLevel = 0;
  }
  return optionalityLevel;
}

// tobe put on prototype?
function getTest(pos, tests) {
  const inputmask = this,
    maskset = this.maskset;

  if (maskset.validPositions[pos]) {
    return maskset.validPositions[pos];
  }
  return (tests || getTests.call(inputmask, pos))[0];
}

function isSubsetOf(source, target, opts) {
  function expand(pattern) {
    let expanded = [],
      start = -1,
      end;
    for (let i = 0, l = pattern.length; i < l; i++) {
      if (pattern.charAt(i) === "-") {
        end = pattern.charCodeAt(i + 1);
        while (++start < end) expanded.push(String.fromCharCode(start));
      } else {
        start = pattern.charCodeAt(i);
        expanded.push(pattern.charAt(i));
      }
    }
    return expanded.join("");
  }

  if (source.match.def === target.match.nativeDef) return true;

  if (
    (opts.regex ||
      (source.match.fn instanceof RegExp &&
        target.match.fn instanceof RegExp)) &&
    source.match.static !== true &&
    target.match.static !== true
  ) {
    // is regex a subset
    if (target.match.fn.source === ".") return true;
    return (
      expand(target.match.fn.source.replace(/[[\]/]/g, "")).indexOf(
        expand(source.match.fn.source.replace(/[[\]/]/g, ""))
      ) !== -1
    );
  }
  return false;
}

// tobe put on prototype?
function getTests(pos, ndxIntlzr, tstPs) {
  let inputmask = this,
    $ = this.dependencyLib,
    maskset = this.maskset,
    opts = this.opts,
    el = this.el,
    maskTokens = maskset.maskToken,
    testPos = ndxIntlzr ? tstPs : 0,
    ndxInitializer = ndxIntlzr ? ndxIntlzr.slice() : [0],
    matches = [],
    insertStop = false,
    latestMatch,
    cacheDependency = ndxIntlzr ? ndxIntlzr.join("") : "",
    unMatchedAlternation = false;

  function resolveTestFromToken(
    maskToken,
    ndxInitializer,
    loopNdx,
    quantifierRecurse
  ) {
    // ndxInitializer contains a set of indexes to speedup searches in the mtokens
    function handleMatch(match, loopNdx, quantifierRecurse) {
      function isFirstMatch(latestMatch, tokenGroup) {
        let firstMatch = tokenGroup.matches.indexOf(latestMatch) === 0;
        if (!firstMatch) {
          tokenGroup.matches.every(function (match, ndx) {
            if (match.isQuantifier === true) {
              firstMatch = isFirstMatch(
                latestMatch,
                tokenGroup.matches[ndx - 1]
              );
            } else if (Object.prototype.hasOwnProperty.call(match, "matches"))
              firstMatch = isFirstMatch(latestMatch, match);
            if (firstMatch) return false;

            return true;
          });
        }
        return firstMatch;
      }

      function resolveNdxInitializer(pos, alternateNdx, targetAlternation) {
        let bestMatch, indexPos;

        if (maskset.tests[pos] || maskset.validPositions[pos]) {
          (maskset.validPositions[pos]
            ? [maskset.validPositions[pos]]
            : maskset.tests[pos]
          ).every(function (lmnt, ndx) {
            if (lmnt.mloc[alternateNdx]) {
              bestMatch = lmnt;
              return false; // break
            }
            const alternation =
                targetAlternation !== undefined
                  ? targetAlternation
                  : lmnt.alternation,
              ndxPos =
                lmnt.locator[alternation] !== undefined
                  ? lmnt.locator[alternation].toString().indexOf(alternateNdx)
                  : -1;
            if (
              (indexPos === undefined || ndxPos < indexPos) &&
              ndxPos !== -1
            ) {
              bestMatch = lmnt;
              indexPos = ndxPos;
            }

            return true;
          });
        }
        if (bestMatch) {
          const bestMatchAltIndex = bestMatch.locator[bestMatch.alternation],
            locator =
              bestMatch.mloc[alternateNdx] ||
              bestMatch.mloc[bestMatchAltIndex] ||
              bestMatch.locator;
          if (locator[locator.length - 1].toString().indexOf(":") !== -1) {
            // eslint-disable-next-line no-unused-vars
            const alternation = locator.pop();
            // targetAlternation = parseInt(alternation.substring(1));
          }
          return locator.slice(
            (targetAlternation !== undefined
              ? targetAlternation
              : bestMatch.alternation) + 1
          );
        } else {
          return targetAlternation !== undefined
            ? resolveNdxInitializer(pos, alternateNdx)
            : undefined;
        }
      }

      function staticCanMatchDefinition(source, target) {
        return source.match.static === true && target.match.static !== true
          ? target.match.fn.test(
              source.match.def,
              maskset,
              pos,
              false,
              opts,
              false
            )
          : false;
      }

      // mergelocators for retrieving the correct locator match when merging
      function setMergeLocators(targetMatch, altMatch) {
        function mergeLoc(altNdx) {
          targetMatch.mloc = targetMatch.mloc || {};
          let locNdx = targetMatch.locator[altNdx];
          if (locNdx === undefined) {
            targetMatch.alternation = undefined;
          } else {
            if (typeof locNdx === "string") locNdx = locNdx.split(",")[0];
            if (targetMatch.mloc[locNdx] === undefined) {
              targetMatch.mloc[locNdx] = targetMatch.locator.slice();
              targetMatch.mloc[locNdx].push(`:${targetMatch.alternation}`); // add alternation index
            }
            if (altMatch !== undefined) {
              const offset = 0;
              for (let ndx in altMatch.mloc) {
                if (typeof ndx === "string") ndx = parseInt(ndx.split(",")[0]);
                // do {
                // 	if (targetMatch.mloc[ndx + offset] === undefined) {
                targetMatch.mloc[ndx + offset] = altMatch.mloc[ndx];
                // 		break;
                // 	}
                // } while (targetMatch.mloc[ndx + offset++] !== undefined);
              }
              targetMatch.locator[altNdx] = Object.keys(targetMatch.mloc).join(
                ","
              );
            }
            if (targetMatch.alternation > altNdx) {
              // if the alternation index is higher than the current one resolve it to the alternation
              targetMatch.alternation = altNdx;
            }
            return true;
          }
          return false;
        }

        let alternationNdx = targetMatch.alternation,
          shouldMerge =
            altMatch === undefined ||
            (alternationNdx <= altMatch.alternation &&
              targetMatch.locator[alternationNdx]
                .toString()
                .indexOf(altMatch.locator[alternationNdx]) === -1);
        if (!shouldMerge && alternationNdx > altMatch.alternation) {
          for (let i = 0; i < alternationNdx; i++) {
            if (targetMatch.locator[i] !== altMatch.locator[i]) {
              alternationNdx = i;
              shouldMerge = true;
              break;
            }
          }
        }

        if (shouldMerge) {
          return mergeLoc(alternationNdx);
        }
        return false;
      }

      function isSameLevel(targetMatch, altMatch) {
        if (targetMatch.locator.length !== altMatch.locator.length) {
          return false;
        }
        for (
          let locNdx = targetMatch.alternation + 1;
          locNdx < targetMatch.locator.length;
          locNdx++
        ) {
          if (targetMatch.locator[locNdx] !== altMatch.locator[locNdx]) {
            return false;
          }
        }
        return true;
      }

      function handleGroup() {
        match = handleMatch(
          maskToken.matches[maskToken.matches.indexOf(match) + 1],
          loopNdx,
          quantifierRecurse
        );
        if (match) return true;
      }

      function handleOptional() {
        const optionalToken = match,
          mtchsNdx = matches.length;
        match = resolveTestFromToken(
          match,
          ndxInitializer,
          loopNdx,
          quantifierRecurse
        );
        if (matches.length > 0) {
          // check on matches.length instead of match to handle quantifier in a recursive call
          // mark optionality in matches
          matches.forEach(function (mtch, ndx) {
            if (ndx >= mtchsNdx) {
              mtch.match.optionality = mtch.match.optionality
                ? mtch.match.optionality + 1
                : 1;
            }
          });
          latestMatch = matches[matches.length - 1].match;

          if (
            quantifierRecurse === undefined &&
            isFirstMatch(latestMatch, optionalToken)
          ) {
            // prevent loop see #698
            insertStop = true; // insert a stop
            testPos = pos; // match the position after the group
          } else {
            return match; // make the loop continue when it is deliberately by a quantifier
          }
        }
      }

      function handleAlternator() {
        function isUnmatchedAlternation(alternateToken) {
          let matchesLength = alternateToken.matches[0].matches
              ? alternateToken.matches[0].matches.length
              : 1,
            matchesNewLength;
          for (let alndx = 0; alndx < alternateToken.matches.length; alndx++) {
            matchesNewLength = alternateToken.matches[alndx].matches
              ? alternateToken.matches[alndx].matches.length
              : 1;
            if (matchesLength !== matchesNewLength) {
              break;
            }
          }

          return matchesLength !== matchesNewLength;
        }

        inputmask.hasAlternator = true;
        let alternateToken = match,
          malternateMatches = [],
          maltMatches,
          currentMatches = matches.slice(),
          loopNdxCnt = loopNdx.length,
          altIndex = ndxInitializer.length > 0 ? ndxInitializer.shift() : -1;
        if (altIndex === -1 || typeof altIndex === "string") {
          let currentPos = testPos,
            ndxInitializerClone = ndxInitializer.slice(),
            altIndexArr = [],
            amndx;
          if (typeof altIndex === "string") {
            altIndexArr = altIndex.split(",");
          } else {
            for (amndx = 0; amndx < alternateToken.matches.length; amndx++) {
              altIndexArr.push(amndx.toString());
            }
          }

          if (maskset.excludes[pos] !== undefined) {
            const altIndexArrClone = altIndexArr.slice();
            for (let i = 0, exl = maskset.excludes[pos].length; i < exl; i++) {
              const excludeSet = maskset.excludes[pos][i].toString().split(":");
              if (loopNdx.length == excludeSet[1]) {
                altIndexArr.splice(altIndexArr.indexOf(excludeSet[0]), 1);
              }
            }
            if (altIndexArr.length === 0) {
              // fully alternated => reset
              delete maskset.excludes[pos];
              altIndexArr = altIndexArrClone;
            }
          }
          if (
            opts.keepStatic === true ||
            (isFinite(parseInt(opts.keepStatic)) &&
              currentPos >= opts.keepStatic)
          )
            altIndexArr = altIndexArr.slice(0, 1);
          for (let ndx = 0; ndx < altIndexArr.length; ndx++) {
            amndx = parseInt(altIndexArr[ndx]);
            matches = [];
            // set the correct ndxInitializer
            ndxInitializer =
              typeof altIndex === "string"
                ? resolveNdxInitializer(testPos, amndx, loopNdxCnt) ||
                  ndxInitializerClone.slice()
                : ndxInitializerClone.slice();
            // console.log("ndxInit", ndxInitializer);
            const tokenMatch = alternateToken.matches[amndx];
            if (
              tokenMatch &&
              handleMatch(
                tokenMatch,
                [amndx].concat(loopNdx),
                quantifierRecurse
              )
            ) {
              match = true;
            } else {
              if (ndx === 0) {
                unMatchedAlternation = isUnmatchedAlternation(alternateToken);
              }
              if (
                tokenMatch &&
                tokenMatch.matches &&
                tokenMatch.matches.length >
                  alternateToken.matches[0].matches.length
              ) {
                break;
              }
            }

            maltMatches = matches.slice();
            testPos = currentPos;
            matches = [];

            // fuzzy merge matches
            for (let ndx1 = 0; ndx1 < maltMatches.length; ndx1++) {
              let altMatch = maltMatches[ndx1],
                dropMatch = false;
              altMatch.alternation = altMatch.alternation || loopNdxCnt;
              setMergeLocators(altMatch);
              for (let ndx2 = 0; ndx2 < malternateMatches.length; ndx2++) {
                const altMatch2 = malternateMatches[ndx2];
                if (
                  typeof altIndex !== "string" ||
                  (altMatch.alternation !== undefined &&
                    altIndexArr.includes(
                      altMatch.locator[altMatch.alternation].toString()
                    ))
                ) {
                  if (altMatch.match.nativeDef === altMatch2.match.nativeDef) {
                    dropMatch = true;
                    setMergeLocators(altMatch2, altMatch);
                    break;
                  } else if (isSubsetOf(altMatch, altMatch2, opts)) {
                    if (setMergeLocators(altMatch, altMatch2)) {
                      dropMatch = true;
                      malternateMatches.splice(
                        malternateMatches.indexOf(altMatch2),
                        0,
                        altMatch
                      );
                    }
                    break;
                  } else if (isSubsetOf(altMatch2, altMatch, opts)) {
                    setMergeLocators(altMatch2, altMatch);
                    break;
                  } else if (staticCanMatchDefinition(altMatch, altMatch2)) {
                    if (
                      !isSameLevel(altMatch, altMatch2) &&
                      el.inputmask.userOptions.keepStatic === undefined
                    ) {
                      opts.keepStatic = true;
                    } else if (setMergeLocators(altMatch, altMatch2)) {
                      // insert match above general match
                      dropMatch = true;
                      malternateMatches.splice(
                        malternateMatches.indexOf(altMatch2),
                        0,
                        altMatch
                      );
                    }
                    break;
                  } else if (staticCanMatchDefinition(altMatch2, altMatch)) {
                    setMergeLocators(altMatch2, altMatch);
                    break;
                  }
                }
              }
              if (!dropMatch) {
                malternateMatches.push(altMatch);
              }
            }
          }

          matches = currentMatches.concat(malternateMatches);
          testPos = pos;
          insertStop = matches.length > 0 && unMatchedAlternation; // insert a stopelemnt when there is an alternate - needed for non-greedy option
          match = malternateMatches.length > 0 && !unMatchedAlternation; // set correct match state

          if (unMatchedAlternation && insertStop && !match) {
            // mark matches with unMatchedAlternationStopped
            matches.forEach(function (mtch, ndx) {
              mtch.unMatchedAlternationStopped = true;
            });
          }

          // cloneback
          ndxInitializer = ndxInitializerClone.slice();
        } else {
          match = handleMatch(
            alternateToken.matches[altIndex] || maskToken.matches[altIndex],
            [altIndex].concat(loopNdx),
            quantifierRecurse
          );
        }
        if (match) return true;
      }

      function handleQuantifier() {
        let qt = match,
          breakloop = false;
        for (
          var qndx = ndxInitializer.length > 0 ? ndxInitializer.shift() : 0;
          qndx < (isNaN(qt.quantifier.max) ? qndx + 1 : qt.quantifier.max) &&
          testPos <= pos;
          qndx++
        ) {
          var tokenGroup = maskToken.matches[maskToken.matches.indexOf(qt) - 1];
          match = handleMatch(tokenGroup, [qndx].concat(loopNdx), tokenGroup); // set the tokenGroup as quantifierRecurse marker
          if (match) {
            matches.forEach(function (mtch, ndx) {
              if (IsMatchOf(tokenGroup, mtch.match)) latestMatch = mtch.match;
              else latestMatch = matches[matches.length - 1].match;

              // mark optionality
              // TODO FIX RECURSIVE QUANTIFIERS
              latestMatch.optionalQuantifier = qndx >= qt.quantifier.min;
              // console.log(pos + " " + qt.quantifier.min + " " + latestMatch.optionalQuantifier);
              // qndx + 1 as the index starts from 0
              latestMatch.jit =
                (qndx + 1) * (tokenGroup.matches.indexOf(latestMatch) + 1) >
                qt.quantifier.jit;
              if (
                latestMatch.optionalQuantifier &&
                isFirstMatch(latestMatch, tokenGroup)
              ) {
                insertStop = true;
                testPos = pos; // match the position after the group
                if (
                  opts.greedy &&
                  maskset.validPositions[pos - 1] == undefined &&
                  qndx > qt.quantifier.min &&
                  ["*", "+"].indexOf(qt.quantifier.max) != -1
                ) {
                  matches.pop();
                  cacheDependency = undefined;
                }
                breakloop = true; // stop quantifierloop && search for next possible match
                match = false; // mark match to false to make sure the loop in optionals continues
              }
              if (
                !breakloop &&
                latestMatch.jit /* && !latestMatch.optionalQuantifier */
              ) {
                // always set jitOffset, isvalid checks when to apply
                maskset.jitOffset[pos] =
                  tokenGroup.matches.length -
                  tokenGroup.matches.indexOf(latestMatch);
              }
            });
            if (breakloop) break; // search for next possible match
            return true;
          }
        }
      }

      if (testPos > pos + opts._maxTestPos) {
        throw new Error(
          `Inputmask: There is probably an error in your mask definition or in the code. Create an issue on github with an example of the mask you are using. ${maskset.mask}`
        );
      }
      if (testPos === pos && match.matches === undefined) {
        matches.push({
          match,
          locator: loopNdx.reverse(),
          cd: cacheDependency,
          mloc: {}
        });
        if (
          match.optionality &&
          quantifierRecurse === undefined &&
          ((opts.definitions &&
            opts.definitions[match.nativeDef] &&
            opts.definitions[match.nativeDef].optional) ||
            (Inputmask.prototype.definitions[match.nativeDef] &&
              Inputmask.prototype.definitions[match.nativeDef].optional))
        ) {
          // prevent loop see #698
          insertStop = true; // insert a stop
          testPos = pos; // match the position after the group
        } else {
          return true;
        }
      } else if (match.matches !== undefined) {
        if (match.isGroup && quantifierRecurse !== match) {
          // when a group pass along to the quantifier
          return handleGroup();
        } else if (match.isOptional) {
          return handleOptional();
        } else if (match.isAlternator) {
          return handleAlternator();
        } else if (
          match.isQuantifier &&
          quantifierRecurse !==
            maskToken.matches[maskToken.matches.indexOf(match) - 1]
        ) {
          return handleQuantifier();
        } else {
          match = resolveTestFromToken(
            match,
            ndxInitializer,
            loopNdx,
            quantifierRecurse
          );
          if (match) return true;
        }
      } else {
        testPos++;
      }
    }

    // the offset is set in the quantifierloop when git masking is used
    for (
      let tndx = ndxInitializer.length > 0 ? ndxInitializer.shift() : 0;
      tndx < maskToken.matches.length;
      tndx++
    ) {
      if (maskToken.matches[tndx].isQuantifier !== true) {
        const match = handleMatch(
          maskToken.matches[tndx],
          [tndx].concat(loopNdx),
          quantifierRecurse
        );
        if (match && testPos === pos) {
          return match;
        } else if (testPos > pos) {
          break;
        }
      }
    }
  }

  function IsMatchOf(tokenGroup, match) {
    let isMatch = tokenGroup.matches.indexOf(match) != -1;
    if (!isMatch) {
      tokenGroup.matches.forEach((mtch, ndx) => {
        if (mtch.matches !== undefined && !isMatch) {
          isMatch = IsMatchOf(mtch, match);
        }
      });
    }
    return isMatch;
  }

  function mergeLocators(pos, tests) {
    let locator = [],
      alternation;
    if (!Array.isArray(tests)) tests = [tests];

    if (tests.length > 0) {
      if (tests[0].alternation === undefined || opts.keepStatic === true) {
        locator = determineTestTemplate
          .call(inputmask, pos, tests.slice())
          .locator.slice();
        if (locator.length === 0) locator = tests[0].locator.slice();
      } else {
        tests.forEach(function (tst) {
          if (tst.def !== "") {
            if (locator.length === 0) {
              alternation = tst.alternation;
              locator = tst.locator.slice();
            } else {
              if (
                tst.locator[alternation] &&
                locator[alternation]
                  .toString()
                  .indexOf(tst.locator[alternation]) === -1
              ) {
                locator[alternation] += "," + tst.locator[alternation];
              }
            }
          }
        });
      }
    }
    return locator;
  }

  if (pos > -1) {
    if (ndxIntlzr === undefined) {
      // determine index initializer
      let previousPos = pos - 1,
        test;
      while (
        (test =
          maskset.validPositions[previousPos] || maskset.tests[previousPos]) ===
          undefined &&
        previousPos > -1
      ) {
        previousPos--;
      }
      if (test !== undefined && previousPos > -1) {
        ndxInitializer = mergeLocators(previousPos, test);
        cacheDependency = ndxInitializer.join("");
        testPos = previousPos;
      }
    }
    if (maskset.tests[pos] && maskset.tests[pos][0].cd === cacheDependency) {
      // cacheDependency is set on all tests, just check on the first
      return maskset.tests[pos];
    }
    for (
      let mtndx = ndxInitializer.shift();
      mtndx < maskTokens.length;
      mtndx++
    ) {
      const match = resolveTestFromToken(maskTokens[mtndx], ndxInitializer, [
        mtndx
      ]);
      if ((match && testPos === pos) || testPos > pos) {
        break;
      }
    }
  }
  if (matches.length === 0 || insertStop) {
    matches.push({
      match: {
        fn: null,
        static: true,
        optionality: false,
        casing: null,
        def: "",
        placeholder: ""
      },
      // mark when there are unmatched alternations  ex: mask: "(a|aa)"
      // this will result in the least distance to select the correct test result in determineTestTemplate
      locator:
        unMatchedAlternation &&
        matches.filter((tst) => tst.unMatchedAlternationStopped !== true)
          .length === 0
          ? [0]
          : [],
      mloc: {},
      cd: cacheDependency
    });
  }
  let result;
  if (ndxIntlzr !== undefined && maskset.tests[pos]) {
    // prioritize full tests for caching
    result = $.extend(true, [], matches);
  } else {
    // console.log("stored " + pos + " - " + JSON.stringify(matches));
    maskset.tests[pos] = $.extend(true, [], matches); // set a clone to prevent overwriting some props
    result = maskset.tests[pos];
  }

  // console.log(pos + " - " + JSON.stringify(matches));
  // cleanup optionality marking
  matches.forEach((t) => {
    t.match.optionality = t.match.defOptionality || false;
  });

  return result;
}