{"id":27976967,"url":"https://github.com/lemoncode/fonk-is-number-validator","last_synced_at":"2025-07-12T08:36:44.729Z","repository":{"id":57126689,"uuid":"207107220","full_name":"Lemoncode/fonk-is-number-validator","owner":"Lemoncode","description":"Is number validator for 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fonk-is-number-validator\n\n[![CircleCI](https://badgen.net/github/status/Lemoncode/fonk-is-number-validator/master?icon=circleci\u0026label=circleci)](https://circleci.com/gh/Lemoncode/fonk-is-number-validator/tree/master)\n[![NPM Version](https://badgen.net/npm/v/@lemoncode/fonk-is-number-validator?icon=npm\u0026label=npm)](https://www.npmjs.com/package/@lemoncode/fonk-is-number-validator)\n[![bundle-size](https://badgen.net/bundlephobia/min/@lemoncode/fonk-is-number-validator)](https://bundlephobia.com/result?p=@lemoncode/fonk-is-number-validator)\n\nThis is a [fonk](https://github.com/Lemoncode/fonk) microlibrary that brings validation capabilities to:\n\n- Validate if a field of a form is a number.\n\nHow to install it:\n\n```bash\nnpm install @lemoncode/fonk-is-number-validator --save\n```\n\nHow to add it to an existing form validation schema:\n\nWe have the following form model:\n\n```\nconst myFormValues = {\n  product : 'shoes',\n  price: 20,\n}\n```\n\nWe can add a isNumber validation to the myFormValues\n\n```javascript\nimport { isNumber } from '@lemoncode/fonk-is-number-validator';\n\nconst validationSchema = {\n  field: {\n    price: [isNumber.validator],\n  },\n};\n```\n\nYou can specify the custom arguments in two ways:\n\n- Locally just customize the arguments for this validationSchema:\n\n```javascript\nimport { isNumber } from '@lemoncode/fonk-is-number-validator';\n\nconst validationSchema = {\n  field: {\n    price: [\n      { validator: isNumber.validator, customArgs: { strictTypes: true } },\n    ],\n  },\n};\n```\n\n- Globally, replace the default custom arguments in all validationSchemas (e.g. enable strict types):\n\n```javascript\nimport { isNumber } from '@lemoncode/fonk-is-number-validator';\n\nisNumber.setCustomArgs({ strictTypes: true });\n```\n\nYou can customize the error message displayed in two ways:\n\n- Globally, replace the default error message in all validationSchemas (e.g. porting to spanish):\n\n```javascript\nimport { isNumber } from '@lemoncode/fonk-is-number-validator';\n\nisNumber.setErrorMessage('El campo debe de ser numérico');\n```\n\n- Locally just override the error message for this validationSchema:\n\n```javascript\nimport { isNumber } from '@lemoncode/fonk-is-number-validator';\n\nconst validationSchema = {\n  field: {\n    price: [\n      {\n        validator: isNumber.validator,\n        message: 'Error message only updated for the validation schema',\n      },\n    ],\n  },\n};\n```\n\nPlease, refer to [fonk](https://github.com/Lemoncode/fonk) to know more.\n\n## License\n\n[MIT](./LICENSE)\n\n# About Basefactor + Lemoncode\n\nWe are an innovating team of Javascript experts, passionate about turning your ideas into robust products.\n\n[Basefactor, consultancy by Lemoncode](http://www.basefactor.com) provides consultancy and coaching services.\n\n[Lemoncode](http://lemoncode.net/services/en/#en-home) provides training services.\n\nFor the LATAM/Spanish audience we are running an Online Front End Master degree, more info: http://lemoncode.net/master-frontend\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flemoncode%2Ffonk-is-number-validator","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flemoncode%2Ffonk-is-number-validator","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flemoncode%2Ffonk-is-number-validator/lists"}