Created
July 29, 2019 15:16
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| function validate(schema, value, strict = false, key = undefined) { | |
| if (value === undefined) { | |
| if (strict) { | |
| throw new TypeError(`undefined value for ${key}: ${schema}`) | |
| } else { | |
| return; | |
| } | |
| } | |
| if (schema instanceof Schema) { | |
| schema.validate(value); | |
| } else if (schema instanceof Function) { | |
| if ([String, Number, Boolean].includes(schema)) { | |
| if (typeof value != schema.name.toLowerCase()) { | |
| throw new TypeError(`value {${value}} of ${key} is not type of {${schema.name}}`); | |
| } | |
| } | |
| } else if (schema instanceof Array) { | |
| if (!(value instanceof Array)) { | |
| throw new TypeError(`value {${value}} of ${key} is not an array`); | |
| } else { | |
| value.forEach(e => { | |
| validate(schema[0], e); | |
| }) | |
| } | |
| } else if (schema instanceof Object) { | |
| if (!(value instanceof Object)) { | |
| throw new TypeError(`value {${value}} of key ${key} is not an object`) | |
| } | |
| Object.keys(schema).forEach(key => { | |
| const subSchema = schema[key]; | |
| const subValue = value[key]; | |
| return validate(subSchema, subValue, strict, key); | |
| }) | |
| } | |
| } | |
| class Schema { | |
| constructor(schema) { | |
| this.schema = schema; | |
| } | |
| validate(object, strict = false) { | |
| validate(this.schema, object, strict); | |
| } | |
| } | |
| class Union extends Schema { | |
| constructor(...types) { | |
| super(types) | |
| this.types = types; | |
| } | |
| validate(object, strict = false) { | |
| const resultList = this.types.map((schema) => { | |
| try { | |
| validate(schema, object, strict); | |
| } catch (e) { | |
| return e; | |
| } | |
| return true; | |
| }) | |
| const result = resultList.some(x => x === true); | |
| if (!result) { | |
| throw new TypeError(`value {${object}} cannot match union schema ${this.schema}, errors: [${resultList}]`); | |
| } | |
| } | |
| } | |
| const Phone = new Schema({ | |
| areaCode: String, | |
| number: String, | |
| extension: String, | |
| }); | |
| const Name = new Schema({ | |
| firstName: String, | |
| middleName: String, | |
| lastName: String, | |
| }); | |
| const Contact = new Schema({ | |
| emails: [ { tag: String, email: String } ], | |
| phones: [ { tag: String, phone: new Union(String, Phone) } ], | |
| }) | |
| const Party = new Schema({ | |
| // _id: String, | |
| nickname: String, | |
| names: { | |
| legal: Name, | |
| prefered: Name, | |
| foreign: [ { tag: String, name: Name } ], | |
| }, | |
| contact: Contact, | |
| tags: [String], | |
| extensions: Object, | |
| }); | |
| const Activity = new Schema({ | |
| primaryParty: String, | |
| involved: [ { reason: String, parties: [String] } ], | |
| event: String, | |
| extensions: Object, | |
| }) | |
| export default { | |
| Party, | |
| Activity | |
| } |
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