From bcd7fae09275f03d02c27654d4049b182cd5bae2 Mon Sep 17 00:00:00 2001 From: Sven Slootweg Date: Sat, 8 Aug 2020 14:36:14 +0200 Subject: [PATCH] Initial commit --- .gitignore | 1 + README.md | 50 +++++++++++ example.js | 11 +++ index.js | 14 +++ package.json | 21 +++++ yarn.lock | 241 +++++++++++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 338 insertions(+) create mode 100644 .gitignore create mode 100644 README.md create mode 100644 example.js create mode 100644 index.js create mode 100644 package.json create mode 100644 yarn.lock diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3c3629e --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +node_modules diff --git a/README.md b/README.md new file mode 100644 index 0000000..6135ac1 --- /dev/null +++ b/README.md @@ -0,0 +1,50 @@ +# @validatem/is-positive + +*This validator is designed to be used with [Validatem](https://validatem.cryto.net/), the universal and composable validation library.* + +Validates that a given input is a positive number. + +Note that this only works on numbers, not numeric strings; if you have a numeric string, you should use [@validatem/is-numeric](https://www.npmjs.com/package/@validatem/is-numeric) to validate and parse it first. + +## License, donations, and other boilerplate + +Licensed under either the [WTFPL](http://www.wtfpl.net/txt/copying/) or [CC0](https://creativecommons.org/publicdomain/zero/1.0/), at your choice. In practice, that means it's more or less public domain, and you can do whatever you want with it. Giving credit is *not* required, but still very much appreciated! I'd love to [hear from you](mailto:admin@cryto.net) if this module was useful to you. + +Creating and maintaining open-source modules is a lot of work. A donation is also not required, but much appreciated! You can donate [here](http://cryto.net/~joepie91/donate.html). + +## Example + +A runnable version of this example is included in the repository, as `example.js`. + +```js +"use strict"; + +const { validateValue } = require("@validatem/core"); +const isPositive = require("@validatem/is-positive"); + +console.log(validateValue(42, [ isPositive ])); // 42 + +console.log(validateValue(-12, [ isPositive ])); /* + AggregrateValidationError: One or more validation errors occurred: + - At (root): Must be a positive number +*/ +``` + +## API + +__If you are new to Validatem,__ please read the documentation on the [Validatem website](https://validatem.cryto.net/) first - it will explain how the general API works, and how you should use validator modules with it. + +### isPositive + +Not callable. Validates that the input is a positive number. When validation passes, it returns the original number as-is. + +Possible error codes: +- __validatem.is-number.number:__ The input was not a number. +- __validatem.is-number.nan:__ The input was NaN. +- __validatem.is-positive:__ The input was a number, but not a positive one. + +## Changelog + +### 1.0.0 (August 8, 2020) + +Initial release. diff --git a/example.js b/example.js new file mode 100644 index 0000000..8c898ed --- /dev/null +++ b/example.js @@ -0,0 +1,11 @@ +"use strict"; + +const { validateValue } = require("@validatem/core"); +const isPositive = require("./"); + +console.log(validateValue(42, [ isPositive ])); // 42 + +console.log(validateValue(-12, [ isPositive ])); /* + AggregrateValidationError: One or more validation errors occurred: + - At (root): Must be a positive number +*/ diff --git a/index.js b/index.js new file mode 100644 index 0000000..7cc6d36 --- /dev/null +++ b/index.js @@ -0,0 +1,14 @@ +"use strict"; + +const isNegativeZero = require("is-negative-zero"); +const isNumber = require("@validatem/is-number"); +const ValidationError = require("@validatem/error"); + +module.exports = [ + isNumber, + function isPositive(value) { + if (value < 0 || isNegativeZero(value)) { + return new ValidationError("Must be a positive number", { code: "validatem.is-positive" }); + } + } +]; diff --git a/package.json b/package.json new file mode 100644 index 0000000..4641f17 --- /dev/null +++ b/package.json @@ -0,0 +1,21 @@ +{ + "name": "@validatem/is-positive", + "description": "Validatem validator for ensuring that a value is a string", + "keywords": [ + "validatem", + "validator" + ], + "version": "1.0.0", + "main": "index.js", + "repository": "http://git.cryto.net/validatem/is-positive.git", + "author": "Sven Slootweg ", + "license": "WTFPL OR CC0-1.0", + "dependencies": { + "@validatem/error": "^1.0.0", + "@validatem/is-number": "^0.1.3", + "is-negative-zero": "^2.0.0" + }, + "devDependencies": { + "@validatem/core": "^0.3.1" + } +} diff --git a/yarn.lock b/yarn.lock new file mode 100644 index 0000000..9af40d0 --- /dev/null +++ b/yarn.lock @@ -0,0 +1,241 @@ +# THIS IS AN AUTOGENERATED FILE. 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