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39 lines
1.5 KiB
JavaScript
39 lines
1.5 KiB
JavaScript
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import _extends from "@babel/runtime/helpers/esm/extends";
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import { getDisplayName } from '@material-ui/utils';
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export default function mergeClasses(options = {}) {
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const {
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baseClasses,
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newClasses,
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Component
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} = options;
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if (!newClasses) {
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return baseClasses;
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}
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const nextClasses = _extends({}, baseClasses);
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if (process.env.NODE_ENV !== 'production') {
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if (typeof newClasses === 'string') {
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console.error([`Material-UI: The value \`${newClasses}\` ` + `provided to the classes prop of ${getDisplayName(Component)} is incorrect.`, 'You might want to use the className prop instead.'].join('\n'));
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return baseClasses;
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}
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}
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Object.keys(newClasses).forEach(key => {
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if (process.env.NODE_ENV !== 'production') {
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if (!baseClasses[key] && newClasses[key]) {
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console.error([`Material-UI: The key \`${key}\` ` + `provided to the classes prop is not implemented in ${getDisplayName(Component)}.`, `You can only override one of the following: ${Object.keys(baseClasses).join(',')}.`].join('\n'));
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}
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if (newClasses[key] && typeof newClasses[key] !== 'string') {
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console.error([`Material-UI: The key \`${key}\` ` + `provided to the classes prop is not valid for ${getDisplayName(Component)}.`, `You need to provide a non empty string instead of: ${newClasses[key]}.`].join('\n'));
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}
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}
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if (newClasses[key]) {
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nextClasses[key] = `${baseClasses[key]} ${newClasses[key]}`;
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}
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});
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return nextClasses;
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}
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