@furo/framework
Version:
Furo framework libs
104 lines (98 loc) • 3.11 kB
JavaScript
/**
* A class to validate constraints on type of <code>google.protobuf.Int64Value</code>
*
* @class
* @private
* @author Eclipse Furo Web
*/
export class ValidatorGoogleProtobufInt64Value {
/**
*
* @param field
* @returns {Promise<unknown>}
*/
static validateConstraints(field) {
return new Promise((resolve, reject) => {
// validate only if they are constraints
// eslint-disable-next-line guard-for-in,no-restricted-syntax
for (const constraintName in field._constraints) {
const constraint = field._constraints[constraintName];
let val;
if (field._value != null) {
val = field._value;
}
switch (constraintName.toLowerCase()) {
/**
* the required constraint
*/
case 'required':
if (field._value == null) {
const NODE = {};
NODE.message = constraint.message;
NODE.name = constraintName;
NODE.node = field;
reject(NODE);
}
break;
/**
* the min constraint
*/
case 'min':
if (val !== undefined && val < parseInt(constraint.is, 10)) {
const NODE = {};
NODE.message = constraint.message;
NODE.name = constraintName;
NODE.node = field;
reject(NODE);
}
break;
/**
* the max constraint
*/
case 'max':
if (val !== undefined && val > parseInt(constraint.is, 10)) {
const NODE = {};
NODE.message = constraint.message;
NODE.name = constraintName;
NODE.node = field;
reject(NODE);
}
break;
/**
* step
*/
case 'step':
// step check is (value - min)%is == 0
// eslint-disable-next-line no-case-declarations
let modulo = parseInt(constraint.is, 10);
// eslint-disable-next-line no-case-declarations
let valueToProove = parseInt(val, 10);
// eslint-disable-next-line no-case-declarations
let f = 1; // factor
// float can not calculate modulo propperly on fractions
if (modulo < 1) {
f = 1 / modulo;
modulo = 1;
valueToProove *= f;
}
// eslint-disable-next-line no-case-declarations
let min = 0;
if (field._constraints.min && field._constraints.min.is) {
min = f * parseFloat(field._constraints.min.is);
}
if (val !== undefined && (min - valueToProove) % modulo !== 0) {
const NODE = {};
NODE.message = constraint.message;
NODE.name = constraintName;
NODE.node = field;
reject(NODE);
}
break;
default:
}
}
// all constraint checks are valid
resolve(field);
});
}
}