cdk-s3-vectors/node_modules/fast-xml-parser/src/util.js

A CDK construct library for Amazon S3 Vectors. This construct simplifies the creation of vector buckets, vector indexes with full configuration options, and Amazon Bedrock knowledge bases using S3 Vectors as the underlying vector store.

'use strict';

const nameStartChar = ':A-Za-z_\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD';
const nameChar = nameStartChar + '\\-.\\d\\u00B7\\u0300-\\u036F\\u203F-\\u2040';
export const nameRegexp = '[' + nameStartChar + '][' + nameChar + ']*';
const regexName = new RegExp('^' + nameRegexp + '$');

export function getAllMatches(string, regex) {
  const matches = [];
  let match = regex.exec(string);
  while (match) {
    const allmatches = [];
    allmatches.startIndex = regex.lastIndex - match[0].length;
    const len = match.length;
    for (let index = 0; index < len; index++) {
      allmatches.push(match[index]);
    }
    matches.push(allmatches);
    match = regex.exec(string);
  }
  return matches;
}

export const isName = function(string) {
  const match = regexName.exec(string);
  return !(match === null || typeof match === 'undefined');
}

export function isExist(v) {
  return typeof v !== 'undefined';
}

export function isEmptyObject(obj) {
  return Object.keys(obj).length === 0;
}

/**
 * Copy all the properties of a into b.
 * @param {*} target
 * @param {*} a
 */
export function merge(target, a, arrayMode) {
  if (a) {
    const keys = Object.keys(a); // will return an array of own properties
    const len = keys.length; //don't make it inline
    for (let i = 0; i < len; i++) {
      if (arrayMode === 'strict') {
        target[keys[i]] = [ a[keys[i]] ];
      } else {
        target[keys[i]] = a[keys[i]];
      }
    }
  }
}
/* exports.merge =function (b,a){
  return Object.assign(b,a);
} */

export function getValue(v) {
  if (exports.isExist(v)) {
    return v;
  } else {
    return '';
  }
}

// const fakeCall = function(a) {return a;};
// const fakeCallNoReturn = function() {};