import { parseErrorStacktrace } from '../utils/source-map.js';
import { isObject, getCallLastIndex } from '../utils/helpers.js';
import { positionToOffset, offsetToLineNumber, lineSplitRE } from '../utils/offset.js';
import { plugins, format } from '../pretty-format/index.js';

function getDefaultExportFromCjs(x) {
  return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, "default") ? x["default"] : x;
}

var naturalCompare$1 = {exports: {}};

var hasRequiredNaturalCompare;

function requireNaturalCompare () {
  if (hasRequiredNaturalCompare) return naturalCompare$1.exports;
  hasRequiredNaturalCompare = 1;
  /*
   * @version    1.4.0
   * @date       2015-10-26
   * @stability  3 - Stable
   * @author     Lauri Rooden (https://github.com/litejs/natural-compare-lite)
   * @license    MIT License
   */


  var naturalCompare = function(a, b) {
    var i, codeA
    , codeB = 1
    , posA = 0
    , posB = 0
    , alphabet = String.alphabet;

    function getCode(str, pos, code) {
      if (code) {
        for (i = pos; code = getCode(str, i), code < 76 && code > 65;) ++i;
        return +str.slice(pos - 1, i)
      }
      code = alphabet && alphabet.indexOf(str.charAt(pos));
      return code > -1 ? code + 76 : ((code = str.charCodeAt(pos) || 0), code < 45 || code > 127) ? code
        : code < 46 ? 65               // -
        : code < 48 ? code - 1
        : code < 58 ? code + 18        // 0-9
        : code < 65 ? code - 11
        : code < 91 ? code + 11        // A-Z
        : code < 97 ? code - 37
        : code < 123 ? code + 5        // a-z
        : code - 63
    }


    if ((a+="") != (b+="")) for (;codeB;) {
      codeA = getCode(a, posA++);
      codeB = getCode(b, posB++);

      if (codeA < 76 && codeB < 76 && codeA > 66 && codeB > 66) {
        codeA = getCode(a, posA, posA);
        codeB = getCode(b, posB, posA = i);
        posB = i;
      }

      if (codeA != codeB) return (codeA < codeB) ? -1 : 1
    }
    return 0
  };

  try {
    naturalCompare$1.exports = naturalCompare;
  } catch (e) {
    String.naturalCompare = naturalCompare;
  }
  return naturalCompare$1.exports;
}

var naturalCompareExports = requireNaturalCompare();
var naturalCompare = /*@__PURE__*/getDefaultExportFromCjs(naturalCompareExports);

const serialize$1 = (val, config, indentation, depth, refs, printer) => {
  // Serialize a non-default name, even if config.printFunctionName is false.
  const name = val.getMockName();
  const nameString = name === "vi.fn()" ? "" : ` ${name}`;
  let callsString = "";
  if (val.mock.calls.length !== 0) {
    const indentationNext = indentation + config.indent;
    callsString = ` {${config.spacingOuter}${indentationNext}"calls": ${printer(val.mock.calls, config, indentationNext, depth, refs)}${config.min ? ", " : ","}${config.spacingOuter}${indentationNext}"results": ${printer(val.mock.results, config, indentationNext, depth, refs)}${config.min ? "" : ","}${config.spacingOuter}${indentation}}`;
  }
  return `[MockFunction${nameString}]${callsString}`;
};
const test = (val) => val && !!val._isMockFunction;
const plugin = {
  serialize: serialize$1,
  test
};

const { DOMCollection, DOMElement, Immutable, ReactElement, ReactTestComponent, AsymmetricMatcher } = plugins;
let PLUGINS = [
  ReactTestComponent,
  ReactElement,
  DOMElement,
  DOMCollection,
  Immutable,
  AsymmetricMatcher,
  plugin
];
function addSerializer(plugin) {
  PLUGINS = [plugin].concat(PLUGINS);
}
function getSerializers() {
  return PLUGINS;
}

// TODO: rewrite and clean up
function testNameToKey(testName, count) {
  return `${testName} ${count}`;
}
function keyToTestName(key) {
  if (!/ \d+$/.test(key)) {
    throw new Error("Snapshot keys must end with a number.");
  }
  return key.replace(/ \d+$/, "");
}
function getSnapshotData(content, options) {
  const update = options.updateSnapshot;
  const data = Object.create(null);
  let snapshotContents = "";
  let dirty = false;
  if (content != null) {
    try {
      snapshotContents = content;
      // eslint-disable-next-line no-new-func
      const populate = new Function("exports", snapshotContents);
      populate(data);
    } catch {}
  }
  // const validationResult = validateSnapshotVersion(snapshotContents)
  const isInvalid = snapshotContents;
  // if (update === 'none' && isInvalid)
  //   throw validationResult
  if ((update === "all" || update === "new") && isInvalid) {
    dirty = true;
  }
  return {
    data,
    dirty
  };
}
// Add extra line breaks at beginning and end of multiline snapshot
// to make the content easier to read.
function addExtraLineBreaks(string) {
  return string.includes("\n") ? `\n${string}\n` : string;
}
// Remove extra line breaks at beginning and end of multiline snapshot.
// Instead of trim, which can remove additional newlines or spaces
// at beginning or end of the content from a custom serializer.
function removeExtraLineBreaks(string) {
  return string.length > 2 && string[0] === "\n" && string.endsWith("\n") ? string.slice(1, -1) : string;
}
// export const removeLinesBeforeExternalMatcherTrap = (stack: string): string => {
//   const lines = stack.split('\n')
//   for (let i = 0; i < lines.length; i += 1) {
//     // It's a function name specified in `packages/expect/src/index.ts`
//     // for external custom matchers.
//     if (lines[i].includes('__EXTERNAL_MATCHER_TRAP__'))
//       return lines.slice(i + 1).join('\n')
//   }
//   return stack
// }
const escapeRegex = true;
const printFunctionName = false;
function serialize(val, indent = 2, formatOverrides = {}) {
  return normalizeNewlines(format(val, {
    escapeRegex,
    indent,
    plugins: getSerializers(),
    printFunctionName,
    ...formatOverrides
  }));
}
function escapeBacktickString(str) {
  return str.replace(/`|\\|\$\{/g, "\\$&");
}
function printBacktickString(str) {
  return `\`${escapeBacktickString(str)}\``;
}
function normalizeNewlines(string) {
  return string.replace(/\r\n|\r/g, "\n");
}
async function saveSnapshotFile(environment, snapshotData, snapshotPath) {
  const snapshots = Object.keys(snapshotData).sort(naturalCompare).map((key) => `exports[${printBacktickString(key)}] = ${printBacktickString(normalizeNewlines(snapshotData[key]))};`);
  const content = `${environment.getHeader()}\n\n${snapshots.join("\n\n")}\n`;
  const oldContent = await environment.readSnapshotFile(snapshotPath);
  const skipWriting = oldContent != null && oldContent === content;
  if (skipWriting) {
    return;
  }
  await environment.saveSnapshotFile(snapshotPath, content);
}
function deepMergeArray(target = [], source = []) {
  const mergedOutput = Array.from(target);
  source.forEach((sourceElement, index) => {
    const targetElement = mergedOutput[index];
    if (Array.isArray(target[index])) {
      mergedOutput[index] = deepMergeArray(target[index], sourceElement);
    } else if (isObject(targetElement)) {
      mergedOutput[index] = deepMergeSnapshot(target[index], sourceElement);
    } else {
      // Source does not exist in target or target is primitive and cannot be deep merged
      mergedOutput[index] = sourceElement;
    }
  });
  return mergedOutput;
}
/**
* Deep merge, but considers asymmetric matchers. Unlike base util's deep merge,
* will merge any object-like instance.
* Compatible with Jest's snapshot matcher. Should not be used outside of snapshot.
*
* @example
* ```ts
* toMatchSnapshot({
*   name: expect.stringContaining('text')
* })
* ```
*/
function deepMergeSnapshot(target, source) {
  if (isObject(target) && isObject(source)) {
    const mergedOutput = { ...target };
    Object.keys(source).forEach((key) => {
      if (isObject(source[key]) && !source[key].$$typeof) {
        if (!(key in target)) {
          Object.assign(mergedOutput, { [key]: source[key] });
        } else {
          mergedOutput[key] = deepMergeSnapshot(target[key], source[key]);
        }
      } else if (Array.isArray(source[key])) {
        mergedOutput[key] = deepMergeArray(target[key], source[key]);
      } else {
        Object.assign(mergedOutput, { [key]: source[key] });
      }
    });
    return mergedOutput;
  } else if (Array.isArray(target) && Array.isArray(source)) {
    return deepMergeArray(target, source);
  }
  return target;
}
class DefaultMap extends Map {
  constructor(defaultFn, entries) {
    super(entries);
    this.defaultFn = defaultFn;
  }
  get(key) {
    if (!this.has(key)) {
      this.set(key, this.defaultFn(key));
    }
    return super.get(key);
  }
}
class CounterMap extends DefaultMap {
  constructor() {
    super(() => 0);
  }
  // compat for jest-image-snapshot https://github.com/vitest-dev/vitest/issues/7322
  // `valueOf` and `Snapshot.added` setter allows
  //   snapshotState.added = snapshotState.added + 1
  // to function as
  //   snapshotState.added.total_ = snapshotState.added.total() + 1
  _total;
  valueOf() {
    return this._total = this.total();
  }
  increment(key) {
    if (typeof this._total !== "undefined") {
      this._total++;
    }
    this.set(key, this.get(key) + 1);
  }
  total() {
    if (typeof this._total !== "undefined") {
      return this._total;
    }
    let total = 0;
    for (const x of this.values()) {
      total += x;
    }
    return total;
  }
}
/* @__NO_SIDE_EFFECTS__ */
function memo(fn) {
  const cache = new Map();
  return (arg) => {
    if (!cache.has(arg)) {
      cache.set(arg, fn(arg));
    }
    return cache.get(arg);
  };
}

async function saveInlineSnapshots(environment, snapshots) {
  const MagicString = (await import('../../vendor/magic-string.mjs')).default;
  const files = new Set(snapshots.map((i) => i.file));
  await Promise.all(Array.from(files).map(async (file) => {
    const snaps = snapshots.filter((i) => i.file === file);
    const code = await environment.readSnapshotFile(file);
    if (code == null) {
      throw new Error(`cannot read ${file} when saving inline snapshot`);
    }
    const s = new MagicString(code);
    for (const snap of snaps) {
      const index = positionToOffset(code, snap.line, snap.column);
      replaceInlineSnap(code, s, index, snap.snapshot, snap.assertionName);
    }
    const transformed = s.toString();
    if (transformed !== code) {
      await environment.saveSnapshotFile(file, transformed);
    }
  }));
}
const defaultStartObjectRegex = /(?:toMatchInlineSnapshot|toThrowErrorMatchingInlineSnapshot)\s*\(\s*(?:\/\*[\s\S]*\*\/\s*|\/\/.*(?:[\n\r\u2028\u2029]\s*|[\t\v\f \xA0\u1680\u2000-\u200A\u202F\u205F\u3000\uFEFF]))*\{/;
function escapeRegExp(s) {
  return s.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
}
const buildStartObjectRegex = memo((assertionName) => {
  const replaced = defaultStartObjectRegex.source.replace("toMatchInlineSnapshot|toThrowErrorMatchingInlineSnapshot", escapeRegExp(assertionName));
  return new RegExp(replaced);
});
function replaceObjectSnap(code, s, index, newSnap, assertionName) {
  let _code = code.slice(index);
  const regex = assertionName ? buildStartObjectRegex(assertionName) : defaultStartObjectRegex;
  const startMatch = regex.exec(_code);
  if (!startMatch) {
    return false;
  }
  _code = _code.slice(startMatch.index);
  let callEnd = getCallLastIndex(_code);
  if (callEnd === null) {
    return false;
  }
  callEnd += index + startMatch.index;
  const shapeStart = index + startMatch.index + startMatch[0].length;
  const shapeEnd = getObjectShapeEndIndex(code, shapeStart);
  const snap = `, ${prepareSnapString(newSnap, code, index)}`;
  if (shapeEnd === callEnd) {
    // toMatchInlineSnapshot({ foo: expect.any(String) })
    s.appendLeft(callEnd, snap);
  } else {
    // toMatchInlineSnapshot({ foo: expect.any(String) }, ``)
    s.overwrite(shapeEnd, callEnd, snap);
  }
  return true;
}
function getObjectShapeEndIndex(code, index) {
  let startBraces = 1;
  let endBraces = 0;
  while (startBraces !== endBraces && index < code.length) {
    const s = code[index++];
    if (s === "{") {
      startBraces++;
    } else if (s === "}") {
      endBraces++;
    }
  }
  return index;
}
function prepareSnapString(snap, source, index) {
  const lineNumber = offsetToLineNumber(source, index);
  const line = source.split(lineSplitRE)[lineNumber - 1];
  const indent = line.match(/^\s*/)[0] || "";
  const indentNext = indent.includes("  ") ? `${indent}\t` : `${indent}  `;
  const lines = snap.trim().replace(/\\/g, "\\\\").split(/\n/g);
  const isOneline = lines.length <= 1;
  const quote = "`";
  if (isOneline) {
    return `${quote}${lines.join("\n").replace(/`/g, "\\`").replace(/\$\{/g, "\\${")}${quote}`;
  }
  return `${quote}\n${lines.map((i) => i ? indentNext + i : "").join("\n").replace(/`/g, "\\`").replace(/\$\{/g, "\\${")}\n${indent}${quote}`;
}
const defaultMethodNames = ["toMatchInlineSnapshot", "toThrowErrorMatchingInlineSnapshot"];
// on webkit, the line number is at the end of the method, not at the start
function getCodeStartingAtIndex(code, index, methodNames) {
  for (const name of methodNames) {
    const adjusted = index - name.length;
    if (adjusted >= 0 && code.slice(adjusted, index) === name) {
      return {
        code: code.slice(adjusted),
        index: adjusted
      };
    }
  }
  return {
    code: code.slice(index),
    index
  };
}
const defaultStartRegex = /(?:toMatchInlineSnapshot|toThrowErrorMatchingInlineSnapshot)\s*\(\s*(?:\/\*[\s\S]*\*\/\s*|\/\/.*(?:[\n\r\u2028\u2029]\s*|[\t\v\f \xA0\u1680\u2000-\u200A\u202F\u205F\u3000\uFEFF]))*[\w$]*(['"`)])/;
const buildStartRegex = memo((assertionName) => {
  const replaced = defaultStartRegex.source.replace("toMatchInlineSnapshot|toThrowErrorMatchingInlineSnapshot", escapeRegExp(assertionName));
  return new RegExp(replaced);
});
function replaceInlineSnap(code, s, currentIndex, newSnap, assertionName) {
  const methodNames = assertionName ? [assertionName] : defaultMethodNames;
  const { code: codeStartingAtIndex, index } = getCodeStartingAtIndex(code, currentIndex, methodNames);
  const startRegex = assertionName ? buildStartRegex(assertionName) : defaultStartRegex;
  const startMatch = startRegex.exec(codeStartingAtIndex);
  const keywordRegex = assertionName ? new RegExp(escapeRegExp(assertionName)) : /toMatchInlineSnapshot|toThrowErrorMatchingInlineSnapshot/;
  const firstKeywordMatch = keywordRegex.exec(codeStartingAtIndex);
  if (!startMatch || startMatch.index !== firstKeywordMatch?.index) {
    return replaceObjectSnap(code, s, index, newSnap, assertionName);
  }
  const quote = startMatch[1];
  const startIndex = index + startMatch.index + startMatch[0].length;
  const snapString = prepareSnapString(newSnap, code, index);
  if (quote === ")") {
    s.appendRight(startIndex - 1, snapString);
    return true;
  }
  const quoteEndRE = new RegExp(`(?:^|[^\\\\])${quote}`);
  const endMatch = quoteEndRE.exec(code.slice(startIndex));
  if (!endMatch) {
    return false;
  }
  const endIndex = startIndex + endMatch.index + endMatch[0].length;
  s.overwrite(startIndex - 1, endIndex, snapString);
  return true;
}
const INDENTATION_REGEX = /^([^\S\n]*)\S/m;
function stripSnapshotIndentation(inlineSnapshot) {
  // Find indentation if exists.
  const match = inlineSnapshot.match(INDENTATION_REGEX);
  if (!match || !match[1]) {
    // No indentation.
    return inlineSnapshot;
  }
  const indentation = match[1];
  const lines = inlineSnapshot.split(/\n/g);
  if (lines.length <= 2) {
    // Must be at least 3 lines.
    return inlineSnapshot;
  }
  if (lines[0].trim() !== "" || lines.at(-1)?.trim() !== "") {
    // If not blank first and last lines, abort.
    return inlineSnapshot;
  }
  for (let i = 1; i < lines.length - 1; i++) {
    if (lines[i] !== "") {
      if (lines[i].indexOf(indentation) !== 0) {
        // All lines except first and last should either be blank or have the same
        // indent as the first line (or more). If this isn't the case we don't
        // want to touch the snapshot at all.
        return inlineSnapshot;
      }
      lines[i] = lines[i].substring(indentation.length);
    }
  }
  // Last line is a special case because it won't have the same indent as others
  // but may still have been given some indent to line up.
  lines[lines.length - 1] = "";
  // Return inline snapshot, now at indent 0.
  inlineSnapshot = lines.join("\n");
  return inlineSnapshot;
}

async function saveRawSnapshots(environment, snapshots) {
  await Promise.all(snapshots.map(async (snap) => {
    if (!snap.readonly) {
      await environment.saveSnapshotFile(snap.file, snap.snapshot);
    }
  }));
}

function isSameStackPosition(x, y) {
  return x.file === y.file && x.column === y.column && x.line === y.line;
}
class SnapshotState {
  _counters = new CounterMap();
  _dirty;
  _updateSnapshot;
  _snapshotData;
  _initialData;
  _inlineSnapshots;
  _inlineSnapshotStacks;
  _testIdToKeys = new DefaultMap(() => []);
  _rawSnapshots;
  _uncheckedKeys;
  _snapshotFormat;
  _environment;
  _fileExists;
  expand;
  // getter/setter for jest-image-snapshot compat
  // https://github.com/vitest-dev/vitest/issues/7322
  _added = new CounterMap();
  _matched = new CounterMap();
  _unmatched = new CounterMap();
  _updated = new CounterMap();
  get added() {
    return this._added;
  }
  set added(value) {
    this._added._total = value;
  }
  get matched() {
    return this._matched;
  }
  set matched(value) {
    this._matched._total = value;
  }
  get unmatched() {
    return this._unmatched;
  }
  set unmatched(value) {
    this._unmatched._total = value;
  }
  get updated() {
    return this._updated;
  }
  set updated(value) {
    this._updated._total = value;
  }
  constructor(testFilePath, snapshotPath, snapshotContent, options) {
    this.testFilePath = testFilePath;
    this.snapshotPath = snapshotPath;
    const { data, dirty } = getSnapshotData(snapshotContent, options);
    this._fileExists = snapshotContent != null;
    this._initialData = { ...data };
    this._snapshotData = { ...data };
    this._dirty = dirty;
    this._inlineSnapshots = [];
    this._inlineSnapshotStacks = [];
    this._rawSnapshots = [];
    this._uncheckedKeys = new Set(Object.keys(this._snapshotData));
    this.expand = options.expand || false;
    this._updateSnapshot = options.updateSnapshot;
    this._snapshotFormat = {
      printBasicPrototype: false,
      escapeString: false,
      maxOutputLength: 2 ** 27,
      ...options.snapshotFormat
    };
    this._environment = options.snapshotEnvironment;
  }
  static async create(testFilePath, options) {
    const snapshotPath = await options.snapshotEnvironment.resolvePath(testFilePath);
    const content = await options.snapshotEnvironment.readSnapshotFile(snapshotPath);
    return new SnapshotState(testFilePath, snapshotPath, content, options);
  }
  get snapshotUpdateState() {
    return this._updateSnapshot;
  }
  get environment() {
    return this._environment;
  }
  markSnapshotsAsCheckedForTest(testName) {
    this._uncheckedKeys.forEach((uncheckedKey) => {
      // skip snapshots with following keys
      //   testName n
      //   testName > xxx n (this is for toMatchSnapshot("xxx") API)
      if (/ \d+$| > /.test(uncheckedKey.slice(testName.length))) {
        this._uncheckedKeys.delete(uncheckedKey);
      }
    });
  }
  clearTest(testId) {
    // clear inline
    this._inlineSnapshots = this._inlineSnapshots.filter((s) => s.testId !== testId);
    this._inlineSnapshotStacks = this._inlineSnapshotStacks.filter((s) => s.testId !== testId);
    // clear file
    for (const key of this._testIdToKeys.get(testId)) {
      const name = keyToTestName(key);
      const count = this._counters.get(name);
      if (count > 0) {
        if (key in this._snapshotData || key in this._initialData) {
          this._snapshotData[key] = this._initialData[key];
        }
        this._counters.set(name, count - 1);
      }
    }
    this._testIdToKeys.delete(testId);
    // clear stats
    this.added.delete(testId);
    this.updated.delete(testId);
    this.matched.delete(testId);
    this.unmatched.delete(testId);
  }
  _inferInlineSnapshotStack(stacks) {
    // if called inside resolves/rejects, stacktrace is different
    const promiseIndex = stacks.findIndex((i) => i.method.match(/__VITEST_(RESOLVES|REJECTS)__/));
    if (promiseIndex !== -1) {
      return stacks[promiseIndex + 3];
    }
    // support poll + inline snapshot
    const pollChainIndex = stacks.findIndex((i) => i.method.match(/__VITEST_POLL_CHAIN__/));
    if (pollChainIndex !== -1) {
      return stacks[pollChainIndex + 1];
    }
    // inline snapshot function can be named __INLINE_SNAPSHOT_OFFSET_<n>__
    // to specify a custom stack offset
    for (let i = 0; i < stacks.length; i++) {
      const match = stacks[i].method.match(/__INLINE_SNAPSHOT_OFFSET_(\d+)__/);
      if (match) {
        return stacks[i + Number(match[1])] ?? null;
      }
    }
    // custom matcher registered via expect.extend() — the wrapper function
    // in jest-extend.ts is named __VITEST_EXTEND_ASSERTION__
    const customMatcherIndex = stacks.findIndex((i) => i.method.includes("__VITEST_EXTEND_ASSERTION__"));
    if (customMatcherIndex !== -1) {
      return stacks[customMatcherIndex + 3] ?? null;
    }
    // inline snapshot function is called __INLINE_SNAPSHOT__
    // in integrations/snapshot/chai.ts
    const stackIndex = stacks.findIndex((i) => i.method.includes("__INLINE_SNAPSHOT__"));
    return stackIndex !== -1 ? stacks[stackIndex + 2] : null;
  }
  _addSnapshot(key, receivedSerialized, options) {
    this._dirty = true;
    if (options.stack) {
      this._inlineSnapshots.push({
        ...options.stack,
        snapshot: receivedSerialized,
        testId: options.testId,
        assertionName: options.assertionName
      });
    } else if (options.rawSnapshot) {
      this._rawSnapshots.push({
        ...options.rawSnapshot,
        snapshot: receivedSerialized
      });
    } else {
      this._snapshotData[key] = receivedSerialized;
    }
  }
  _resolveKey(testId, testName, key) {
    this._counters.increment(testName);
    const count = this._counters.get(testName);
    if (!key) {
      key = testNameToKey(testName, count);
    }
    this._testIdToKeys.get(testId).push(key);
    return {
      key,
      count
    };
  }
  _resolveInlineStack(options) {
    const { testId, snapshot, assertionName, error } = options;
    const stacks = parseErrorStacktrace(error, { ignoreStackEntries: [] });
    const _stack = this._inferInlineSnapshotStack(stacks);
    if (!_stack) {
      const message = stacks.map((s) => `  ${s.file}:${s.line}:${s.column}${s.method ? ` (${s.method})` : ""}`).join("\n");
      throw new Error(`@vitest/snapshot: Couldn't infer stack frame for inline snapshot.\n${message}`);
    }
    const stack = this.environment.processStackTrace?.(_stack) || _stack;
    // removing 1 column, because source map points to the wrong
    // location for js files, but `column-1` points to the same in both js/ts
    // https://github.com/vitejs/vite/issues/8657
    stack.column--;
    // reject multiple inline snapshots at the same location if snapshot is different
    const snapshotsWithSameStack = this._inlineSnapshotStacks.filter((s) => isSameStackPosition(s, stack));
    if (snapshotsWithSameStack.length > 0) {
      // ensure only one snapshot will be written at the same location
      this._inlineSnapshots = this._inlineSnapshots.filter((s) => !isSameStackPosition(s, stack));
      const differentSnapshot = snapshotsWithSameStack.find((s) => s.snapshot !== snapshot);
      if (differentSnapshot) {
        throw Object.assign(new Error(`${assertionName} with different snapshots cannot be called at the same location`), {
          actual: snapshot,
          expected: differentSnapshot.snapshot
        });
      }
    }
    this._inlineSnapshotStacks.push({
      ...stack,
      testId,
      snapshot
    });
    return stack;
  }
  _reconcile(opts) {
    // These are the conditions on when to write snapshots:
    //  * There's no snapshot file in a non-CI environment.
    //  * There is a snapshot file and we decided to update the snapshot.
    //  * There is a snapshot file, but it doesn't have this snapshot.
    // These are the conditions on when not to write snapshots:
    //  * The update flag is set to 'none'.
    //  * There's no snapshot file or a file without this snapshot on a CI environment.
    if (opts.hasSnapshot && this._updateSnapshot === "all" || (!opts.hasSnapshot || !opts.snapshotIsPersisted) && (this._updateSnapshot === "new" || this._updateSnapshot === "all")) {
      if (this._updateSnapshot === "all") {
        if (!opts.pass) {
          if (opts.hasSnapshot) {
            this.updated.increment(opts.testId);
          } else {
            this.added.increment(opts.testId);
          }
          this._addSnapshot(opts.key, opts.addValue, {
            stack: opts.stack,
            testId: opts.testId,
            rawSnapshot: opts.rawSnapshot,
            assertionName: opts.assertionName
          });
        } else {
          this.matched.increment(opts.testId);
        }
      } else {
        this._addSnapshot(opts.key, opts.addValue, {
          stack: opts.stack,
          testId: opts.testId,
          rawSnapshot: opts.rawSnapshot,
          assertionName: opts.assertionName
        });
        this.added.increment(opts.testId);
      }
      return {
        actual: "",
        count: opts.count,
        expected: "",
        key: opts.key,
        pass: true
      };
    } else {
      if (!opts.pass) {
        this.unmatched.increment(opts.testId);
        return {
          actual: opts.actualDisplay,
          count: opts.count,
          expected: opts.expectedDisplay,
          key: opts.key,
          pass: false
        };
      } else {
        this.matched.increment(opts.testId);
        return {
          actual: "",
          count: opts.count,
          expected: "",
          key: opts.key,
          pass: true
        };
      }
    }
  }
  async save() {
    const hasExternalSnapshots = Object.keys(this._snapshotData).length;
    const hasInlineSnapshots = this._inlineSnapshots.length;
    const hasRawSnapshots = this._rawSnapshots.length;
    const isEmpty = !hasExternalSnapshots && !hasInlineSnapshots && !hasRawSnapshots;
    const status = {
      deleted: false,
      saved: false
    };
    if ((this._dirty || this._uncheckedKeys.size) && !isEmpty) {
      if (hasExternalSnapshots) {
        await saveSnapshotFile(this._environment, this._snapshotData, this.snapshotPath);
        this._fileExists = true;
      }
      if (hasInlineSnapshots) {
        await saveInlineSnapshots(this._environment, this._inlineSnapshots);
      }
      if (hasRawSnapshots) {
        await saveRawSnapshots(this._environment, this._rawSnapshots);
      }
      status.saved = true;
    } else if (!hasExternalSnapshots && this._fileExists) {
      if (this._updateSnapshot === "all") {
        await this._environment.removeSnapshotFile(this.snapshotPath);
        this._fileExists = false;
      }
      status.deleted = true;
    }
    return status;
  }
  getUncheckedCount() {
    return this._uncheckedKeys.size || 0;
  }
  getUncheckedKeys() {
    return Array.from(this._uncheckedKeys);
  }
  removeUncheckedKeys() {
    if (this._updateSnapshot === "all" && this._uncheckedKeys.size) {
      this._dirty = true;
      this._uncheckedKeys.forEach((key) => delete this._snapshotData[key]);
      this._uncheckedKeys.clear();
    }
  }
  probeExpectedSnapshot(options) {
    const count = this._counters.get(options.testName) + 1;
    const key = testNameToKey(options.testName, count);
    return {
      key,
      count,
      data: options?.isInline ? options.inlineSnapshot : this._snapshotData[key],
      markAsChecked: () => {
        this._counters.increment(options.testName);
        this._testIdToKeys.get(options.testId).push(key);
        this._uncheckedKeys.delete(key);
      }
    };
  }
  match({ testId, testName, received, key, inlineSnapshot, isInline, error, rawSnapshot, assertionName }) {
    const resolved = this._resolveKey(testId, testName, key);
    key = resolved.key;
    const count = resolved.count;
    // Do not mark the snapshot as "checked" if the snapshot is inline and
    // there's an external snapshot. This way the external snapshot can be
    // removed with `--updateSnapshot`.
    if (!(isInline && this._snapshotData[key] !== undefined)) {
      this._uncheckedKeys.delete(key);
    }
    let receivedSerialized = rawSnapshot && typeof received === "string" ? received : serialize(received, undefined, this._snapshotFormat);
    if (!rawSnapshot) {
      receivedSerialized = addExtraLineBreaks(receivedSerialized);
    }
    if (rawSnapshot) {
      // normalize EOL when snapshot contains CRLF but received is LF
      if (rawSnapshot.content && rawSnapshot.content.match(/\r\n/) && !receivedSerialized.match(/\r\n/)) {
        rawSnapshot.content = normalizeNewlines(rawSnapshot.content);
      }
    }
    const expected = isInline ? inlineSnapshot : rawSnapshot ? rawSnapshot.content : this._snapshotData[key];
    const expectedTrimmed = rawSnapshot ? expected : expected?.trim();
    const pass = expectedTrimmed === (rawSnapshot ? receivedSerialized : receivedSerialized.trim());
    const hasSnapshot = expected !== undefined;
    const snapshotIsPersisted = isInline || this._fileExists || rawSnapshot && rawSnapshot.content != null;
    if (pass && !isInline && !rawSnapshot) {
      // When the file is re-saved (because other snapshots changed), the JS
      // round-trip can lose proper escaping. Refresh in-memory data with the
      // freshly serialized string so the file is written correctly.
      // _reconcile does not write _snapshotData on pass, so this is the only
      // place it gets refreshed. Domain snapshots skip this because the stored
      // value may contain match patterns that differ from the received output.
      this._snapshotData[key] = receivedSerialized;
    }
    const stack = isInline ? this._resolveInlineStack({
      testId,
      snapshot: receivedSerialized,
      assertionName: assertionName || "toMatchInlineSnapshot",
      error: error || new Error("snapshot")
    }) : undefined;
    return this._reconcile({
      testId,
      key,
      count,
      pass,
      hasSnapshot,
      snapshotIsPersisted: !!snapshotIsPersisted,
      addValue: receivedSerialized,
      actualDisplay: rawSnapshot ? receivedSerialized : removeExtraLineBreaks(receivedSerialized),
      expectedDisplay: expectedTrimmed !== undefined ? rawSnapshot ? expectedTrimmed : removeExtraLineBreaks(expectedTrimmed) : undefined,
      stack,
      rawSnapshot,
      assertionName
    });
  }
  processDomainSnapshot({ testId, received, expectedSnapshot, matchResult, isInline, error, assertionName }) {
    const stack = isInline ? this._resolveInlineStack({
      testId,
      snapshot: received,
      assertionName,
      error: error || new Error("STACK_TRACE_ERROR")
    }) : undefined;
    const actualResolved = matchResult?.resolved ?? received;
    const expectedResolved = matchResult?.expected ?? expectedSnapshot.data;
    return this._reconcile({
      testId,
      key: expectedSnapshot.key,
      count: expectedSnapshot.count,
      pass: matchResult?.pass ?? false,
      hasSnapshot: !!expectedSnapshot.data,
      snapshotIsPersisted: isInline ? true : this._fileExists,
      addValue: actualResolved,
      actualDisplay: removeExtraLineBreaks(actualResolved),
      expectedDisplay: expectedResolved !== undefined ? removeExtraLineBreaks(expectedResolved) : undefined,
      stack,
      assertionName
    });
  }
  async pack() {
    const snapshot = {
      filepath: this.testFilePath,
      added: 0,
      fileDeleted: false,
      matched: 0,
      unchecked: 0,
      uncheckedKeys: [],
      unmatched: 0,
      updated: 0
    };
    const uncheckedCount = this.getUncheckedCount();
    const uncheckedKeys = this.getUncheckedKeys();
    if (uncheckedCount) {
      this.removeUncheckedKeys();
    }
    const status = await this.save();
    snapshot.fileDeleted = status.deleted;
    snapshot.added = this.added.total();
    snapshot.matched = this.matched.total();
    snapshot.unmatched = this.unmatched.total();
    snapshot.updated = this.updated.total();
    snapshot.unchecked = !status.deleted ? uncheckedCount : 0;
    snapshot.uncheckedKeys = Array.from(uncheckedKeys);
    return snapshot;
  }
}

function createMismatchError(message, expand, actual, expected) {
  const error = new Error(message);
  Object.defineProperty(error, "actual", {
    value: actual,
    enumerable: true,
    configurable: true,
    writable: true
  });
  Object.defineProperty(error, "expected", {
    value: expected,
    enumerable: true,
    configurable: true,
    writable: true
  });
  Object.defineProperty(error, "diffOptions", { value: { expand } });
  return error;
}
class SnapshotClient {
  snapshotStateMap = new Map();
  constructor(options = {}) {
    this.options = options;
  }
  async setup(filepath, options) {
    if (this.snapshotStateMap.has(filepath)) {
      return;
    }
    this.snapshotStateMap.set(filepath, await SnapshotState.create(filepath, options));
  }
  async finish(filepath) {
    const state = this.getSnapshotState(filepath);
    const result = await state.pack();
    this.snapshotStateMap.delete(filepath);
    return result;
  }
  skipTest(filepath, testName) {
    const state = this.getSnapshotState(filepath);
    state.markSnapshotsAsCheckedForTest(testName);
  }
  clearTest(filepath, testId) {
    const state = this.getSnapshotState(filepath);
    state.clearTest(testId);
  }
  getSnapshotState(filepath) {
    const state = this.snapshotStateMap.get(filepath);
    if (!state) {
      throw new Error(`The snapshot state for '${filepath}' is not found. Did you call 'SnapshotClient.setup()'?`);
    }
    return state;
  }
  match(options) {
    const { filepath, name, testId = name, message, isInline = false, properties, inlineSnapshot, error, errorMessage, rawSnapshot, assertionName } = options;
    let { received } = options;
    if (!filepath) {
      throw new Error("Snapshot cannot be used outside of test");
    }
    const snapshotState = this.getSnapshotState(filepath);
    const testName = [name, ...message ? [message] : []].join(" > ");
    // Probe first so we can mark as checked even on early return
    const expectedSnapshot = snapshotState.probeExpectedSnapshot({
      testName,
      testId,
      isInline,
      inlineSnapshot
    });
    if (typeof properties === "object") {
      if (typeof received !== "object" || !received) {
        expectedSnapshot.markAsChecked();
        throw new Error("Received value must be an object when the matcher has properties");
      }
      let propertiesPass;
      try {
        propertiesPass = this.options.isEqual?.(received, properties) ?? false;
      } catch (err) {
        expectedSnapshot.markAsChecked();
        throw err;
      }
      if (!propertiesPass) {
        expectedSnapshot.markAsChecked();
        return {
          pass: false,
          message: () => errorMessage || "Snapshot properties mismatched",
          actual: received,
          expected: properties
        };
      }
      received = deepMergeSnapshot(received, properties);
    }
    const { actual, expected, key, pass } = snapshotState.match({
      testId,
      testName,
      received,
      isInline,
      error,
      inlineSnapshot,
      rawSnapshot,
      assertionName
    });
    return {
      pass,
      message: () => `Snapshot \`${key || "unknown"}\` mismatched`,
      actual: rawSnapshot ? actual : actual?.trim(),
      expected: rawSnapshot ? expected : expected?.trim()
    };
  }
  assert(options) {
    const result = this.match(options);
    if (!result.pass) {
      const snapshotState = this.getSnapshotState(options.filepath);
      throw createMismatchError(result.message(), snapshotState.expand, result.actual, result.expected);
    }
  }
  matchDomain(options) {
    const { received, filepath, name, testId = name, message, adapter, isInline = false, inlineSnapshot, error } = options;
    if (!filepath) {
      throw new Error("Snapshot cannot be used outside of test");
    }
    const captured = adapter.capture(received);
    const rendered = adapter.render(captured);
    const snapshotState = this.getSnapshotState(filepath);
    const testName = [name, ...message ? [message] : []].join(" > ");
    const expectedSnapshot = snapshotState.probeExpectedSnapshot({
      testName,
      testId,
      isInline,
      inlineSnapshot
    });
    expectedSnapshot.markAsChecked();
    const matchResult = expectedSnapshot.data ? adapter.match(captured, adapter.parseExpected(expectedSnapshot.data)) : undefined;
    const { actual, expected, key, pass } = snapshotState.processDomainSnapshot({
      testId,
      received: rendered,
      expectedSnapshot,
      matchResult,
      isInline,
      error,
      assertionName: options.assertionName
    });
    return {
      pass,
      message: () => `Snapshot \`${key}\` mismatched`,
      actual: actual?.trim(),
      expected: expected?.trim()
    };
  }
  async pollMatchDomain(options) {
    const { poll, filepath, name, testId = name, message, adapter, isInline = false, inlineSnapshot, error, timeout = 1e3, interval = 50 } = options;
    if (!filepath) {
      throw new Error("Snapshot cannot be used outside of test");
    }
    const snapshotState = this.getSnapshotState(filepath);
    const testName = [name, ...message ? [message] : []].join(" > ");
    const expectedSnapshot = snapshotState.probeExpectedSnapshot({
      testName,
      testId,
      isInline,
      inlineSnapshot
    });
    const reference = expectedSnapshot.data && snapshotState.snapshotUpdateState !== "all" ? adapter.parseExpected(expectedSnapshot.data) : undefined;
    const timedOut = timeout > 0 ? new Promise((r) => setTimeout(r, timeout)) : undefined;
    const stableResult = await getStableSnapshot({
      adapter,
      poll,
      interval,
      timedOut,
      match: reference ? (captured) => adapter.match(captured, reference).pass : undefined
    });
    expectedSnapshot.markAsChecked();
    if (!stableResult?.rendered) {
      // the original caller `expect.poll` later manipulates error via `throwWithCause`,
      // so here we can directly throw `lastPollError` if exists.
      if (stableResult?.lastPollError) {
        throw stableResult.lastPollError;
      }
      return {
        pass: false,
        message: () => `poll() did not produce a stable snapshot within the timeout`
      };
    }
    // TODO: should `all` mode ignore parse error?
    // Sielently hiding the error and creating snaphsot full scratch isn't good either.
    // Users can fix or purge the broken snapshot manually and that decision affects how domain snapshot gets updated.
    const matchResult = expectedSnapshot.data ? adapter.match(stableResult.captured, adapter.parseExpected(expectedSnapshot.data)) : undefined;
    const { actual, expected, key, pass } = snapshotState.processDomainSnapshot({
      testId,
      received: stableResult.rendered,
      expectedSnapshot,
      matchResult,
      isInline,
      error,
      assertionName: options.assertionName
    });
    return {
      pass,
      message: () => `Snapshot \`${key}\` mismatched`,
      actual: actual?.trim(),
      expected: expected?.trim()
    };
  }
  async assertRaw(options) {
    if (!options.rawSnapshot) {
      throw new Error("Raw snapshot is required");
    }
    const { filepath, rawSnapshot } = options;
    if (rawSnapshot.content == null) {
      if (!filepath) {
        throw new Error("Snapshot cannot be used outside of test");
      }
      const snapshotState = this.getSnapshotState(filepath);
      // save the filepath, so it don't lose even if the await make it out-of-context
      options.filepath ||= filepath;
      // resolve and read the raw snapshot file
      rawSnapshot.file = await snapshotState.environment.resolveRawPath(filepath, rawSnapshot.file);
      rawSnapshot.content = await snapshotState.environment.readSnapshotFile(rawSnapshot.file) ?? undefined;
    }
    return this.assert(options);
  }
  clear() {
    this.snapshotStateMap.clear();
  }
}
/**
* Polls repeatedly until the value reaches a stable state.
*
* Compares consecutive rendered outputs from the current session —
* when two consecutive polls produce the same rendered string,
* the value is considered stable.
*
* Every `await` (poll call, interval delay) races against `timedOut`
* so that hanging polls and delays are interrupted.
*/
async function getStableSnapshot({ adapter, poll, interval, timedOut, match }) {
  let lastRendered;
  let lastPollError;
  let lastStable;
  while (true) {
    try {
      const pollResult = await raceWith(Promise.resolve(poll()), timedOut);
      if (!pollResult.ok) {
        break;
      }
      const captured = adapter.capture(pollResult.value);
      const rendered = adapter.render(captured);
      if (lastRendered !== undefined && rendered === lastRendered) {
        lastStable = {
          captured,
          rendered
        };
        if (!match || match(captured)) {
          break;
        }
      } else {
        lastRendered = rendered;
        lastStable = undefined;
      }
    } catch (pollError) {
      // poll() threw — reset stability baseline and retry
      lastRendered = undefined;
      lastStable = undefined;
      lastPollError = pollError;
    }
    const delayed = await raceWith(new Promise((r) => setTimeout(r, interval)), timedOut);
    if (!delayed.ok) {
      break;
    }
  }
  return {
    ...lastStable,
    lastPollError
  };
}
/** Type-safe `Promise.race` — tells you which promise won. */
function raceWith(promise, other) {
  const left = promise.then((value) => ({
    ok: true,
    value
  }));
  if (!other) {
    return left;
  }
  return Promise.race([left, other.then((value) => ({
    ok: false,
    value
  }))]);
}

export { SnapshotClient, SnapshotState, addSerializer, getSerializers, stripSnapshotIndentation };
