import find from './find';
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/**
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* Helper used to know if the given modifier depends from another one.<br />
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* It checks if the needed modifier is listed and enabled.
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* @method
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* @memberof Popper.Utils
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* @param {Array} modifiers - list of modifiers
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* @param {String} requestingName - name of requesting modifier
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* @param {String} requestedName - name of requested modifier
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* @returns {Boolean}
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*/
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export default function isModifierRequired(
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modifiers,
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requestingName,
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requestedName
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) {
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const requesting = find(modifiers, ({ name }) => name === requestingName);
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const isRequired =
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!!requesting &&
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modifiers.some(modifier => {
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return (
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modifier.name === requestedName &&
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modifier.enabled &&
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modifier.order < requesting.order
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);
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});
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if (!isRequired) {
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const requesting = `\`${requestingName}\``;
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const requested = `\`${requestedName}\``;
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console.warn(
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`${requested} modifier is required by ${requesting} modifier in order to work, be sure to include it before ${requesting}!`
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);
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}
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return isRequired;
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}
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