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/var/www/qr4y.gr/server/delivery/node_modules/sqlstring/lib

Name	Size	Mode	Actions
SqlString.js	5865	0644	edit dl rm

Edit: /var/www/qr4y.gr/server/delivery/node_modules/sqlstring/lib/SqlString.js (5865B)

var SqlString  = exports;

var ID_GLOBAL_REGEXP    = /`/g;
var QUAL_GLOBAL_REGEXP  = /\./g;
var CHARS_GLOBAL_REGEXP = /[\0\b\t\n\r\x1a\"\'\\]/g; // eslint-disable-line no-control-regex
var CHARS_ESCAPE_MAP    = {
  '\0'   : '\\0',
  '\b'   : '\\b',
  '\t'   : '\\t',
  '\n'   : '\\n',
  '\r'   : '\\r',
  '\x1a' : '\\Z',
  '"'    : '\\"',
  '\''   : '\\\'',
  '\\'   : '\\\\'
};

SqlString.escapeId = function escapeId(val, forbidQualified) {
  if (Array.isArray(val)) {
    var sql = '';

for (var i = 0; i < val.length; i++) {
      sql += (i === 0 ? '' : ', ') + SqlString.escapeId(val[i], forbidQualified);
    }

return sql;
  } else if (forbidQualified) {
    return '`' + String(val).replace(ID_GLOBAL_REGEXP, '``') + '`';
  } else {
    return '`' + String(val).replace(ID_GLOBAL_REGEXP, '``').replace(QUAL_GLOBAL_REGEXP, '`.`') + '`';
  }
};

SqlString.escape = function escape(val, stringifyObjects, timeZone) {
  if (val === undefined || val === null) {
    return 'NULL';
  }

switch (typeof val) {
    case 'boolean': return (val) ? 'true' : 'false';
    case 'number': return val + '';
    case 'object':
      if (Object.prototype.toString.call(val) === '[object Date]') {
        return SqlString.dateToString(val, timeZone || 'local');
      } else if (Array.isArray(val)) {
        return SqlString.arrayToList(val, timeZone);
      } else if (Buffer.isBuffer(val)) {
        return SqlString.bufferToString(val);
      } else if (typeof val.toSqlString === 'function') {
        return String(val.toSqlString());
      } else if (stringifyObjects) {
        return escapeString(val.toString());
      } else {
        return SqlString.objectToValues(val, timeZone);
      }
    default: return escapeString(val);
  }
};

SqlString.arrayToList = function arrayToList(array, timeZone) {
  var sql = '';

for (var i = 0; i < array.length; i++) {
    var val = array[i];

if (Array.isArray(val)) {
      sql += (i === 0 ? '' : ', ') + '(' + SqlString.arrayToList(val, timeZone) + ')';
    } else {
      sql += (i === 0 ? '' : ', ') + SqlString.escape(val, true, timeZone);
    }
  }

return sql;
};

SqlString.format = function format(sql, values, stringifyObjects, timeZone) {
  if (values == null) {
    return sql;
  }

if (!Array.isArray(values)) {
    values = [values];
  }

var chunkIndex        = 0;
  var placeholdersRegex = /\?+/g;
  var result            = '';
  var valuesIndex       = 0;
  var match;

while (valuesIndex < values.length && (match = placeholdersRegex.exec(sql))) {
    var len = match[0].length;

if (len > 2) {
      continue;
    }

var value = len === 2
      ? SqlString.escapeId(values[valuesIndex])
      : SqlString.escape(values[valuesIndex], stringifyObjects, timeZone);

result += sql.slice(chunkIndex, match.index) + value;
    chunkIndex = placeholdersRegex.lastIndex;
    valuesIndex++;
  }

if (chunkIndex === 0) {
    // Nothing was replaced
    return sql;
  }

if (chunkIndex < sql.length) {
    return result + sql.slice(chunkIndex);
  }

return result;
};

SqlString.dateToString = function dateToString(date, timeZone) {
  var dt = new Date(date);

if (isNaN(dt.getTime())) {
    return 'NULL';
  }

var year;
  var month;
  var day;
  var hour;
  var minute;
  var second;
  var millisecond;

if (timeZone === 'local') {
    year        = dt.getFullYear();
    month       = dt.getMonth() + 1;
    day         = dt.getDate();
    hour        = dt.getHours();
    minute      = dt.getMinutes();
    second      = dt.getSeconds();
    millisecond = dt.getMilliseconds();
  } else {
    var tz = convertTimezone(timeZone);

if (tz !== false && tz !== 0) {
      dt.setTime(dt.getTime() + (tz * 60000));
    }

year       = dt.getUTCFullYear();
    month       = dt.getUTCMonth() + 1;
    day         = dt.getUTCDate();
    hour        = dt.getUTCHours();
    minute      = dt.getUTCMinutes();
    second      = dt.getUTCSeconds();
    millisecond = dt.getUTCMilliseconds();
  }

// YYYY-MM-DD HH:mm:ss.mmm
  var str = zeroPad(year, 4) + '-' + zeroPad(month, 2) + '-' + zeroPad(day, 2) + ' ' +
    zeroPad(hour, 2) + ':' + zeroPad(minute, 2) + ':' + zeroPad(second, 2) + '.' +
    zeroPad(millisecond, 3);

return escapeString(str);
};

SqlString.bufferToString = function bufferToString(buffer) {
  return 'X' + escapeString(buffer.toString('hex'));
};

SqlString.objectToValues = function objectToValues(object, timeZone) {
  var sql = '';

for (var key in object) {
    var val = object[key];

if (typeof val === 'function') {
      continue;
    }

sql += (sql.length === 0 ? '' : ', ') + SqlString.escapeId(key) + ' = ' + SqlString.escape(val, true, timeZone);
  }

return sql;
};

SqlString.raw = function raw(sql) {
  if (typeof sql !== 'string') {
    throw new TypeError('argument sql must be a string');
  }

return {
    toSqlString: function toSqlString() { return sql; }
  };
};

function escapeString(val) {
  var chunkIndex = CHARS_GLOBAL_REGEXP.lastIndex = 0;
  var escapedVal = '';
  var match;

while ((match = CHARS_GLOBAL_REGEXP.exec(val))) {
    escapedVal += val.slice(chunkIndex, match.index) + CHARS_ESCAPE_MAP[match[0]];
    chunkIndex = CHARS_GLOBAL_REGEXP.lastIndex;
  }

if (chunkIndex === 0) {
    // Nothing was escaped
    return "'" + val + "'";
  }

if (chunkIndex < val.length) {
    return "'" + escapedVal + val.slice(chunkIndex) + "'";
  }

return "'" + escapedVal + "'";
}

function zeroPad(number, length) {
  number = number.toString();
  while (number.length < length) {
    number = '0' + number;
  }

return number;
}

function convertTimezone(tz) {
  if (tz === 'Z') {
    return 0;
  }

var m = tz.match(/([\+\-\s])(\d\d):?(\d\d)?/);
  if (m) {
    return (m[1] === '-' ? -1 : 1) * (parseInt(m[2], 10) + ((m[3] ? parseInt(m[3], 10) : 0) / 60)) * 60;
  }
  return false;
}

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