@colophon/schema

Colophon Schema

Schema & Validator for Colophon

Schema Specification

Versions

#	status
2.0	stable
1.1	deprecated
1.0	deprecated

see an example of this repo's own .colophon.yml...

Install

Available as an npm package for validation purposes, exposes validation helper, and the schema itself (compatible with any JSON Schema validation tool)

npm install @colophon/schema

Usage

const parser = require('@colophon/schema')
const { schema, regex } = require('@colophon/schema/versions/latest')

Referencing older versions

const schemas = require('@colophon/schema/versions')

const { schema, regex } = schemas['1.0']

API

parser(colophon: String | Object): Promise<Object>

Resolves with content as a valid JavaScript Colophon Object Rejects with ColophonError on invalid schema test

Example: Valid Colophon

const parser = require('@colophon/schema')

const valid = { ... } // supply an Object or YAML String

const colophon = await parser(valid)
// colophon is a JavaScript Object (parsed from YAML string, or returned as is)

Example: Invalid Colophon

const parser = require('@colophon/schema')

// invalid
const invalid = `
version: 2.0

id: my-app
`

parser(invalid)
  .then(colophon)
  .catch(err => console.error(err.message, err.errors))
    // invalid colophon content
    // "err.errors" object contains schema errors
    // e.g. "err.errors": [ { message: "should have required property 'contacts'" } ]
    // see https://github.com/epoberezkin/ajv#validation-errors for details
}

Credits

• Original Idea: @crimeminister
• Name: @andrewkumar

---

Author: Ahmad Nassri • Github: @project-colophon • Twitter: @ColophonID