49 lines
1.1 KiB
JavaScript
49 lines
1.1 KiB
JavaScript
'use strict';
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const { parse: scssParse } = require('postcss-scss');
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const Declaration = require('postcss/lib/declaration');
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const Comment = require('postcss/lib/comment');
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let fusvEnabled = true;
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function parseNodes(nodes, variables, ignoreList) {
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for (const node of nodes) {
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findVars(node, variables, ignoreList);
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}
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}
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function findVars(node, result, ignoreList) {
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if (node instanceof Comment) {
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parseComment(node);
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return;
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}
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if (node instanceof Declaration && node.prop.startsWith('$') && !ignoreList.includes(node.prop) && fusvEnabled) {
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result.push(node.prop);
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return;
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}
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if (node.nodes) {
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parseNodes(node.nodes, result, ignoreList);
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}
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}
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function parseComment(node) {
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if (node.raws.text === 'fusv-enable') {
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fusvEnabled = true;
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} else if (node.raws.text === 'fusv-disable') {
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fusvEnabled = false;
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}
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}
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function parse(scssString, ignoreList) {
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const parsedScss = scssParse(scssString);
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const variables = [];
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parseNodes(parsedScss.nodes, variables, ignoreList);
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return variables;
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}
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module.exports = parse;
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