36 lines
1.3 KiB
JavaScript
36 lines
1.3 KiB
JavaScript
import SharedUtils from './sharedUtils';
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const VARIABLE = {
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PREFIX: 'p',
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SELECTOR: ':root',
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EXCLUDED_KEY_REGEX: /^(primitive|semantic|variables|colorscheme|light|dark|common|colors|root|states)$/gi
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};
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export default function (theme, options = {}) {
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const { prefix = VARIABLE.PREFIX, selector = VARIABLE.SELECTOR, excludedKeyRegex = VARIABLE.EXCLUDED_KEY_REGEX } = options;
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const _toVariables = (_theme, _prefix = '') => {
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return Object.entries(_theme).reduce((acc, [key, value]) => {
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const px = SharedUtils.object.toNormalizePrefix(SharedUtils.object.test(excludedKeyRegex, key) ? _prefix : `${_prefix}-${SharedUtils.object.toKebabCase(key)}`);
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const v = SharedUtils.object.toValue(value);
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if (SharedUtils.object.isObject(v)) {
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const variables = _toVariables(v, px);
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SharedUtils.object.merge(acc, variables);
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} else {
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SharedUtils.object.setProperty(acc, `--${px}`, SharedUtils.object.getVariableValue(v, px, prefix, [excludedKeyRegex]));
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}
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return acc;
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}, []);
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};
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const value = _toVariables(theme, prefix);
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return {
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value,
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css: SharedUtils.object.getRule(selector, value.join(''))
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};
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}
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