@talend/react-forms/lib-esm/UIForm/utils/properties.js

React forms library based on json schema form.

/**
 * Get a value stored in properties, identified by key
 * @param {object} properties The properties store
 * @param {object} schema The schema containing the key chain (array of strings)
 * to access to the value
 */
export function getValue(properties, schema) {
  if (!schema.key) {
    return undefined;
  }
  return schema.key.reduce((accu, nextKey) => accu && accu[nextKey], properties);
}

/**
 * Convert a string value to the wanted type
 * @param type The string type
 * @param value The value to convert
 */
export function convertValue(type, value) {
  if (value === '') {
    return undefined;
  }
  if (type === 'number') {
    return parseFloat(value);
  }
  return value;
}

/**
 * Mutate the properties, setting the value in the path identified by key
 * @param {object | array} properties The original properties store
 * @param {array} key The key chain (array of strings) to identify the path
 * @param {any} value The value to set
 * @returns {object} The new mutated properties.
 */
// eslint-disable-next-line @typescript-eslint/default-param-last
function mutateValueFromKey(properties = {}, key, value) {
  if (!key || !key.length) {
    return value;
  }
  const nextKey = key[0];
  const restKeys = key.slice(1);
  const nextValue = mutateValueFromKey(properties[nextKey], restKeys, value);
  let nextProperties;
  if (properties instanceof Array) {
    nextProperties = properties.slice(0);
  } else {
    nextProperties = {
      ...properties
    };
  }
  if (nextValue === undefined) {
    delete nextProperties[nextKey];
    return nextProperties;
  }
  nextProperties[nextKey] = nextValue;
  return nextProperties;
}

/**
 * Mutate the properties, setting the value in the input identified by schema
 * @param {object | array} properties The original properties store
 * @param {object} schema The input schema
 * @param {any} value The value to set
 * @returns {object} The new mutated properties.
 */
export function mutateValue(properties, schema, value) {
  return mutateValueFromKey(properties, schema.key, value);
}

/**
 * Extract all the data-* attributes from the given props.
 * @param {object} props Some properties
 * @param {int} index An index if the data-* properties need to be suffixed with an index.
 * @return {object} Only the data-* properties with '.index' suffix if available.
 */
export function extractDataAttributes(props, index) {
  const dataProps = {};
  Object.keys(props).forEach(propName => {
    if (propName.startsWith('data-')) {
      dataProps[propName] = `${props[propName]}${index !== undefined ? `.${index}` : ''}`;
    }
  });
  return dataProps;
}
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