@naturalcycles/nodejs-lib
Version:
Standard library for Node.js
95 lines (94 loc) • 2.86 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getAjv = void 0;
const ajv_1 = require("ajv");
const AJV_OPTIONS = {
removeAdditional: true,
allErrors: true,
// https://ajv.js.org/options.html#usedefaults
useDefaults: 'empty',
// these are important and kept same as default:
// https://ajv.js.org/options.html#coercetypes
coerceTypes: false, // while `false` - it won't mutate your input
};
/**
* Create Ajv with modified defaults.
*
* https://ajv.js.org/options.html
*/
function getAjv(opt) {
const ajv = new ajv_1.default({
...AJV_OPTIONS,
...opt,
});
// Add custom formats
addCustomAjvFormats(ajv);
// Adds ajv "formats"
// https://ajv.js.org/guide/formats.html
require('ajv-formats')(ajv);
// https://ajv.js.org/packages/ajv-keywords.html
require('ajv-keywords')(ajv, [
'transform',
'uniqueItemProperties',
'instanceof',
]);
// Adds $merge, $patch keywords
// https://github.com/ajv-validator/ajv-merge-patch
require('ajv-merge-patch')(ajv);
return ajv;
}
exports.getAjv = getAjv;
const TS_2500 = 16725225600; // 2500-01-01
const TS_2000 = 946684800; // 2000-01-01
function addCustomAjvFormats(ajv) {
return (ajv
.addFormat('id', /^[a-z0-9_]{6,64}$/)
.addFormat('slug', /^[a-z0-9-]+$/)
.addFormat('semVer', /^[0-9]+\.[0-9]+\.[0-9]+$/)
// IETF language tag (https://en.wikipedia.org/wiki/IETF_language_tag)
.addFormat('languageTag', /^[a-z]{2}(-[A-Z]{2})?$/)
.addFormat('countryCode', /^[A-Z]{2}$/)
.addFormat('currency', /^[A-Z]{3}$/)
.addFormat('unixTimestamp', {
type: 'number',
validate: (n) => {
return n >= 0 && n < TS_2500;
},
})
.addFormat('unixTimestamp2000', {
type: 'number',
validate: (n) => {
return n >= TS_2000 && n < TS_2500;
},
})
.addFormat('unixTimestampMillis', {
type: 'number',
validate: (n) => {
return n >= 0 && n < TS_2500 * 1000;
},
})
.addFormat('unixTimestampMillis2000', {
type: 'number',
validate: (n) => {
return n >= TS_2000 * 1000 && n < TS_2500 * 1000;
},
})
.addFormat('utcOffset', {
type: 'number',
validate: (n) => {
// min: -14 hours
// max +14 hours
// multipleOf 15 (minutes)
return n >= -14 * 60 && n <= 14 * 60 && Number.isInteger(n);
},
})
.addFormat('utcOffsetHours', {
type: 'number',
validate: (n) => {
// min: -14 hours
// max +14 hours
// multipleOf 15 (minutes)
return n >= -14 && n <= 14 && Number.isInteger(n);
},
}));
}