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Top 10 Examples of "jest-snapshot in functional component" in JavaScript

Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'jest-snapshot' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.

const allTestState = {
    added: 0,
    matched: 0,
    unmatched: 0,
    updated: 0,
    obsolete: 0,
  }

  for (const group of filterStorybook(storybook, grep)) {

    const filePath = path.resolve(`${configDir}`, `${group.kind}`);
    console.log(chalk.underline(`${group.kind}`));
    const fakeJasmine = {
      Spec: () => {}
    }
    const state = jestSnapshot.getSnapshotState(fakeJasmine, filePath);
    const snapshot = state.snapshot;

    for (const story of group.stories) {
      state.setSpecName(story.name);
      state.setCounter(0);
      const key = `${story.name}`
      const hasSnapshot = snapshot.has(key);
      const context = { kind: group.kind, story: story.name };
      const tree = story.render(context);
      const renderer = ReactTestRenderer.create(tree);
      const actual = renderer.toJSON()

      if (!snapshot.fileExists() || !hasSnapshot) {
        // If the file does not exist of snapshot of this name is not present
        // add it.
        logState('added', story.name);
output.forEach(({ isAsset, name, code }) => {
            if(isAsset) {
                return;
            }

            chunks.set(name, `\n${code}`);
        });

        const out = Object.create(null);
        
        // Ensure out object is in a consistent order
        [ ...chunks.keys() ].sort().forEach((key) => {
            out[key] = chunks.get(key);
        });

        return toMatchSnapshot.call(
            this,
            out,
        );
    },
});
output.forEach(({ isAsset, fileName, source }) => {
            if(!isAsset) {
                return;
            }
            
            assets.set(fileName, `\n${source}`);
        });
        
        const out = Object.create(null);

        // Ensure out object is in a consistent order
        [ ...assets.keys() ].sort().forEach((key) => {
            out[key] = assets.get(key);
        });

        return toMatchSnapshot.call(
            this,
            out,
        );
    },
});
toMatchRollupSnapshot({ output }, name = "") {
        const things = new Map();
        
        output.forEach(({ code, isAsset, fileName, source }) => {
            // Leading newline to make diffs easier to read
            things.set(fileName, `\n${isAsset ? source : code}`);
        });
        
        const out = Object.create(null);

        // Ensure out object is in a consistent order
        [ ...things.keys() ].sort().forEach((key) => {
            out[key] = things.get(key);
        });
        
        return toMatchSnapshot.call(
            this,
            out,
            name,
        );
    },
});
beforeEach(function() {
    // clear out workspace
    rimraf.sync(workspacePath("*"));
    // create the snapshot file that is considered "existing" by these tests
    const existingSnapshotState = new SnapshotState(undefined, {
      snapshotPath: EXISTING_SNAPSHOT_PATH,
      updateSnapshot: "all",
    });
    existingSnapshotState.match(EXISTING_SNAPSHOT_NAME, tree, EXISTING_SNAPSHOT_NAME);
    existingSnapshotState.save();

    object = undefined;
    snapshotFilename = undefined;
    snapshotName = undefined;
    update = false;
    utils = { flag: () => undefined };
  });
export default ({cachePath, updateSnapshot}: {cachePath: string; updateSnapshot: boolean}) => {
  if (!cacheMap.has(cachePath)) {
    cacheMap.set(cachePath, new SnapshotState(cachePath, {updateSnapshot: updateSnapshot} as any));
  }

  const snapshotState = cacheMap.get(cachePath);

  const markAsDirty = (key: string) => {
    snapshotState._dirty = true;
    delete snapshotState._snapshotData[key];
  };

  const match = (page: NamedPage) => {
    const testName = page.name;
    const currentHash = hash(page);

    const {added, updated} = snapshotState;

    // run snapshot to see if there was a match
var _default = ({config, globalConfig, localRequire, testPath}) => {
  // Jest tests snapshotSerializers in order preceding built-in serializers.
  // Therefore, add in reverse because the last added is the first tested.
  config.snapshotSerializers
    .concat()
    .reverse()
    .forEach(path => {
      (0, _jestSnapshot.addSerializer)(localRequire(path));
    });
  patchJasmine();
  const expand = globalConfig.expand,
    updateSnapshot = globalConfig.updateSnapshot;
  const snapshotResolver = (0, _jestSnapshot.buildSnapshotResolver)(config);
  const snapshotPath = snapshotResolver.resolveSnapshotPath(testPath);
  const snapshotState = new _jestSnapshot.SnapshotState(snapshotPath, {
    expand,
    getBabelTraverse: () => require('@babel/traverse').default,
    getPrettier: () =>
      config.prettierPath ? require(config.prettierPath) : null,
    updateSnapshot
  });
  (0, _expect.setState)({
    snapshotState,
    testPath
  }); // Return it back to the outer scope (test runner outside the VM).

  return snapshotState;
};
const absoluteSnapshotFile = getAbsolutePathToSnapshot(this.testPath, snapshotFile);

  // store the common state to re-use it in "afterAll" hook.
  commonSnapshotState = this.snapshotState;
  let snapshotState = snapshotsStateMap.get(absoluteSnapshotFile);

  if (!snapshotState) {
    snapshotState = new SnapshotState(absoluteSnapshotFile, {
      updateSnapshot: commonSnapshotState._updateSnapshot,
      snapshotPath: absoluteSnapshotFile,
    });
    snapshotsStateMap.set(absoluteSnapshotFile, snapshotState);
  }

  const newThis = Object.assign({}, this, { snapshotState });
  const patchedToMatchSnapshot = toMatchSnapshot.bind(newThis);

  return patchedToMatchSnapshot(received, testName);
}
});
        }
      },
    };

    traverse(fileNode, {
      enter: path => {
        const visitor = Visitors[path.node.type];
        if (visitor != null) {
          visitor(path, state, this._matchers);
        }
      },
    });

    // NOTE if no projectConfig is given the default resolver will be used
    const snapshotResolver = buildSnapshotResolver(this._projectConfig || {});
    const snapshotPath = snapshotResolver.resolveSnapshotPath(filePath);
    const snapshots = utils.getSnapshotData(snapshotPath, 'none').data;
    let lastParent = null;
    let count = 1;

    return state.found.map(snapshotNode => {
      const parents = snapshotNode.parents.filter(isValidParent);
      const innerAssertion = parents[parents.length - 1];

      if (lastParent !== innerAssertion) {
        lastParent = innerAssertion;
        count = 1;
      }

      const result = {
        content: undefined,
dispatch({
      name: 'include_test_location_in_result',
    });
  }

  // Jest tests snapshotSerializers in order preceding built-in serializers.
  // Therefore, add in reverse because the last added is the first tested.
  config.snapshotSerializers
    .concat()
    .reverse()
    .forEach(path => {
      addSerializer(localRequire(path));
    });

  const {expand, updateSnapshot} = globalConfig;
  const snapshotResolver = buildSnapshotResolver(config);
  const snapshotPath = snapshotResolver.resolveSnapshotPath(testPath);
  const snapshotState = new SnapshotState(snapshotPath, {
    expand,
    getBabelTraverse,
    getPrettier,
    updateSnapshot,
  });
  setState({snapshotState, testPath});

  addEventHandler(handleSnapshotStateAfterRetry(snapshotState));

  // Return it back to the outer scope (test runner outside the VM).
  return {globals, snapshotState};
};

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