@dnb/eufemia/shared/helpers/extendPropsWithContext.js

DNB Eufemia Design System UI Library

export function extendPropsWithContext(props, defaults = {}, ...contexts) {
  props = {
    ...defaults,
    ...props
  };
  return {
    ...props,
    ...reduceContextHasValue(props, defaults, contexts)
  };
}
export function extendPropsWithContextInClassComponent(props, defaults = {}, ...contexts) {
  return {
    ...props,
    ...reduceContextHasValue(props, defaults, contexts, {
      onlyMergeExistingProps: true
    })
  };
}
export function reduceContext(contexts) {
  return contexts.reduce((acc, cur) => {
    if (cur) {
      acc = {
        ...acc,
        ...cur
      };
    }
    return acc;
  }, {});
}
function reduceContextHasValue(props, defaults, contexts, {
  onlyMergeExistingProps = false
} = {}) {
  const context = reduceContext(contexts);
  return Object.entries(context).reduce((acc, [key, value]) => {
    if (!onlyMergeExistingProps || Object.prototype.hasOwnProperty.call(props, key)) {
      if (props[key] === (defaults === null || defaults === void 0 ? void 0 : defaults[key])) {
        acc[key] = value;
      }
    }
    return acc;
  }, {});
}
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