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coverage](https://img.shields.io/codecov/c/github/imcuttle/detect-tree-changed.svg?style=flat-square)](https://codecov.io/github/imcuttle/detect-tree-changed?branch=master)\n[![NPM version](https://img.shields.io/npm/v/detect-tree-changed.svg?style=flat-square)](https://www.npmjs.com/package/detect-tree-changed)\n[![NPM Downloads](https://img.shields.io/npm/dm/detect-tree-changed.svg?style=flat-square\u0026maxAge=43200)](https://www.npmjs.com/package/detect-tree-changed)\n[![Prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://prettier.io/)\n[![Conventional Commits](https://img.shields.io/badge/Conventional%20Commits-1.0.0-yellow.svg?style=flat-square)](https://conventionalcommits.org)\n\n\u003e Detect tow tree what is updated\n\n## Installation\n\n```bash\nnpm install detect-tree-changed\n# or use yarn\nyarn add detect-tree-changed\n```\n\n## Usage\n\n```javascript\nconst detectTreeChanged = require('detect-tree-changed')\n\ndetectTreeChanged(\n  {\n    node: 'Root'\n  },\n  {\n    node: 'root'\n  }\n)\n\n// =\u003e Map {\n  {node: 'Root'}: {status: 'updated', ctx: {...}}\n}\n```\n\nIt's shameless of use document of [@moyuyc/visit-tree](https://github.com/imcuttle/visit-tree#context) about the `ctx` which is returned.\n\n## API\n\n\u003c!-- Generated by documentation.js. Update this documentation by updating the source code. --\u003e\n\n### detectTreeChanged\n\n[index.js:23-131](https://github.com/imcuttle/detect-tree-changed/blob/6bf6a879939a1e39ba8075d94428f8cd3e4a1d4f/index.js#L23-L131 \"Source code on GitHub\")\n\n#### Parameters\n\n-   `treeA`  {T}\n-   `treeB`  {T}\n-   `opt` **[Object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object)** {{}}\n    -   `opt.limit`  The limit of changed node (optional, default `Infinity`)\n    -   `opt.equal`  The compare strategy of two node (optional, default `(a,b)=\u003ea===b`)\n    -   `opt.path`   (optional, default `'children'`)\n\nReturns **[Map](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Map)** \n\n## Related\n\n-   [@moyuyc/visit-tree](https://github.com/imcuttle/visit-tree) - Visit tree by pre or post DFS.\n-   [detect-one-changed](https://github.com/imcuttle/detect-one-changed) - Detect first changed html and markdown between old text and new.\n\n## Contributing\n\n-   Fork it!\n-   Create your new branch:  \n    `git checkout -b feature-new` or `git checkout -b fix-which-bug`\n-   Start your magic work now\n-   Make sure npm test passes\n-   Commit your changes:  \n    `git commit -am 'feat: some description (close #123)'` or `git commit -am 'fix: some description (fix #123)'`\n-   Push to the branch: `git push`\n-   Submit a pull request :)\n\n## Authors\n\nThis library is written and maintained by imcuttle, \u003ca href=\"mailto:moyuyc95@gmail.com\"\u003emoyuyc95@gmail.com\u003c/a\u003e.\n\n## License\n\nMIT - [imcuttle](https://github.com/imcuttle) 🐟\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fimcuttle%2Fdetect-tree-changed","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fimcuttle%2Fdetect-tree-changed","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fimcuttle%2Fdetect-tree-changed/lists"}