Last change
on this file since bdd6491 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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Property mode
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100644
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File size:
1.1 KB
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[6a3a178] | 1 | 'use strict';
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| 2 |
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| 3 | function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
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| 4 |
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| 5 | var postcss = _interopDefault(require('postcss'));
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| 6 |
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| 7 | const mediaRegExp = /^media$/i;
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| 8 | const prefersInterfaceRegExp = /\(\s*prefers-color-scheme\s*:\s*(dark|light|no-preference)\s*\)/i;
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| 9 | const colorIndexByStyle = {
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| 10 | dark: 48,
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| 11 | light: 70,
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| 12 | 'no-preference': 22
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| 13 | };
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| 14 |
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| 15 | const prefersInterfaceReplacer = ($0, style) => `(color-index: ${colorIndexByStyle[style.toLowerCase()]})`;
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| 16 |
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| 17 | var postcss$1 = postcss.plugin('postcss-prefers-color-scheme', opts => {
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| 18 | const preserve = 'preserve' in Object(opts) ? opts.preserve : true;
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| 19 | return root => {
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| 20 | root.walkAtRules(mediaRegExp, atRule => {
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| 21 | const params = atRule.params;
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| 22 | const altParams = params.replace(prefersInterfaceRegExp, prefersInterfaceReplacer);
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| 23 |
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| 24 | if (params !== altParams) {
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| 25 | if (preserve) {
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| 26 | atRule.cloneBefore({
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| 27 | params: altParams
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| 28 | });
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| 29 | } else {
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| 30 | atRule.params = altParams;
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| 31 | }
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| 32 | }
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| 33 | });
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| 34 | };
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| 35 | });
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| 36 |
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| 37 | module.exports = postcss$1;
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