djv/lib/validators/properties.js

dynamic json-schema validator

const { hasProperty } = require('../utils');

module.exports = function properties(schema, tpl) {
  if (!hasProperty(schema, 'properties') || typeof schema.properties !== 'object') {
    return;
  }

  Object.keys(schema.properties)
    .forEach((propertyKey) => {
      const propertySchema = schema.properties[propertyKey];
      if (typeof propertySchema === 'object' && !Object.keys(propertySchema).length) {
        return;
      }

      const isNotRequired = !schema.required || schema.required.indexOf(propertyKey) === -1;
      if (isNotRequired) {
        tpl(`if (${tpl.data}.hasOwnProperty(decodeURIComponent("${escape(propertyKey)}"))) {`);
      }

      tpl.data.push(`[decodeURIComponent('${escape(propertyKey)}')]`);
      tpl.visit(propertySchema);
      tpl.data.pop();

      if (isNotRequired) {
        tpl('}');
      }
    });
};