hasProp.js
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import propName from './propName';
const DEFAULT_OPTIONS = {
spreadStrict: true,
ignoreCase: true,
};
/**
* Returns boolean indicating whether an prop exists on the props
* property of a JSX element node.
*/
export default function hasProp(props = [], prop = '', options = DEFAULT_OPTIONS) {
const propToCheck = options.ignoreCase ? prop.toUpperCase() : prop;
return props.some((attribute) => {
// If the props contain a spread prop, then refer to strict param.
if (attribute.type === 'JSXSpreadAttribute') {
return !options.spreadStrict;
}
const currentProp = options.ignoreCase
? propName(attribute).toUpperCase()
: propName(attribute);
return propToCheck === currentProp;
});
}
/**
* Given the props on a node and a list of props to check, this returns a boolean
* indicating if any of them exist on the node.
*/
export function hasAnyProp(nodeProps = [], props = [], options = DEFAULT_OPTIONS) {
const propsToCheck = typeof props === 'string' ? props.split(' ') : props;
return propsToCheck.some((prop) => hasProp(nodeProps, prop, options));
}
/**
* Given the props on a node and a list of props to check, this returns a boolean
* indicating if all of them exist on the node
*/
export function hasEveryProp(nodeProps = [], props = [], options = DEFAULT_OPTIONS) {
const propsToCheck = typeof props === 'string' ? props.split(' ') : props;
return propsToCheck.every((prop) => hasProp(nodeProps, prop, options));
}