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Layerr\n\n\u003e Errors, with layers..\n\n[![NPM Downloads](https://img.shields.io/npm/dm/layerr)](https://www.npmjs.com/package/layerr)\n\nA NodeJS and Web `Error` wrapping utility, based heavily on [VError](https://github.com/joyent/node-verror), but without all the extras and dependencies on Node core utilities. Written in Typescript, compiled to JavaScript and suitable for bundling in the browser.\n\nUses no dependencies, minifies well and is a great way to wrap errors as they propagate through complex applications (such as Express services, for instance).\n\n_Layerr is an ESM library, and as such you need a compatible environment in which to install and use it._\n\n## Installation\n\nInstall by running: `npm install layerr`.\n\n## Usage\n\nUse it as a regular error:\n\n```typescript\nconst { Layerr } = require(\"layerr\");\n\nthrow new Layerr(\"Test error\");\n```\n\nOr use it to wrap errors:\n\n```typescript\ndoSomething().catch((err) =\u003e {\n    throw new Layerr(err, \"Failed doing something\");\n});\n```\n\nLayerr's can have info attached:\n\n```typescript\nconst { Layerr } = require(\"layerr\");\n\nfunction somethingElse() {\n    throw new Layerr(\n        {\n            info: {\n                code: 123,\n            },\n        },\n        \"Problem\"\n    );\n}\n\nsomethingElse().catch((err: Layerr) =\u003e {\n    const { code } = Layerr.info(err);\n    // code === 123\n});\n```\n\n### Global Name\n\nBy default Layerr names all created errors as `Layerr`. You can change this name by calling `setGlobalName`, and revert it by passing `null` to this function:\n\n```typescript\nimport { Layerr, setGlobalName } from \"layerr\";\n\nsetGlobalName(\"CustomError\");\n\nconst err = new Layerr(\"My error\");\n\nerr.name; // \"CustomError\"\n\nthrow err;\n// Uncaught Layerr [CustomError]: My error\n```\n\n## Support\n\nLayerr (v3) supports NodeJS 16 onwards. It should also support all major+current browsers, once compiled/bundled.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fperry-mitchell%2Flayerr","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fperry-mitchell%2Flayerr","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fperry-mitchell%2Flayerr/lists"}