import { isVueViewModel, isString, isRegExp } from './is.js';

/**
 * Truncates given string to the maximum characters count
 *
 * @param str An object that contains serializable values
 * @param max Maximum number of characters in truncated string (0 = unlimited)
 * @returns string Encoded
 */
function truncate(str, max = 0) {
  if (typeof str !== 'string' || max === 0) {
    return str;
  }
  return str.length <= max ? str : `${str.slice(0, max)}...`;
}

/**
 * This is basically just `trim_line` from
 * https://github.com/getsentry/sentry/blob/master/src/sentry/lang/javascript/processor.py#L67
 *
 * @param str An object that contains serializable values
 * @param max Maximum number of characters in truncated string
 * @returns string Encoded
 */
function snipLine(line, colno) {
  let newLine = line;
  const lineLength = newLine.length;
  if (lineLength <= 150) {
    return newLine;
  }
  if (colno > lineLength) {
    // eslint-disable-next-line no-param-reassign
    colno = lineLength;
  }

  let start = Math.max(colno - 60, 0);
  if (start < 5) {
    start = 0;
  }

  let end = Math.min(start + 140, lineLength);
  if (end > lineLength - 5) {
    end = lineLength;
  }
  if (end === lineLength) {
    start = Math.max(end - 140, 0);
  }

  newLine = newLine.slice(start, end);
  if (start > 0) {
    newLine = `'{snip} ${newLine}`;
  }
  if (end < lineLength) {
    newLine += ' {snip}';
  }

  return newLine;
}

/**
 * Join values in array
 * @param input array of values to be joined together
 * @param delimiter string to be placed in-between values
 * @returns Joined values
 */
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function safeJoin(input, delimiter) {
  if (!Array.isArray(input)) {
    return '';
  }

  const output = [];
  // eslint-disable-next-line @typescript-eslint/prefer-for-of
  for (let i = 0; i < input.length; i++) {
    const value = input[i];
    try {
      // This is a hack to fix a Vue3-specific bug that causes an infinite loop of
      // console warnings. This happens when a Vue template is rendered with
      // an undeclared variable, which we try to stringify, ultimately causing
      // Vue to issue another warning which repeats indefinitely.
      // see: https://github.com/getsentry/sentry-javascript/pull/8981
      if (isVueViewModel(value)) {
        output.push('[VueViewModel]');
      } else {
        output.push(String(value));
      }
    } catch (e) {
      output.push('[value cannot be serialized]');
    }
  }

  return output.join(delimiter);
}

/**
 * Checks if the given value matches a regex or string
 *
 * @param value The string to test
 * @param pattern Either a regex or a string against which `value` will be matched
 * @param requireExactStringMatch If true, `value` must match `pattern` exactly. If false, `value` will match
 * `pattern` if it contains `pattern`. Only applies to string-type patterns.
 */
function isMatchingPattern(
  value,
  pattern,
  requireExactStringMatch = false,
) {
  if (!isString(value)) {
    return false;
  }

  if (isRegExp(pattern)) {
    return pattern.test(value);
  }
  if (isString(pattern)) {
    return requireExactStringMatch ? value === pattern : value.includes(pattern);
  }

  return false;
}

/**
 * Test the given string against an array of strings and regexes. By default, string matching is done on a
 * substring-inclusion basis rather than a strict equality basis
 *
 * @param testString The string to test
 * @param patterns The patterns against which to test the string
 * @param requireExactStringMatch If true, `testString` must match one of the given string patterns exactly in order to
 * count. If false, `testString` will match a string pattern if it contains that pattern.
 * @returns
 */
function stringMatchesSomePattern(
  testString,
  patterns = [],
  requireExactStringMatch = false,
) {
  return patterns.some(pattern => isMatchingPattern(testString, pattern, requireExactStringMatch));
}

export { isMatchingPattern, safeJoin, snipLine, stringMatchesSomePattern, truncate };
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