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Update to PostCSS 8 #16

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Update to PostCSS 8 #16

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3 changes: 3 additions & 0 deletions .eslintrc
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Original file line number Diff line number Diff line change
@@ -1,4 +1,7 @@
{
"parserOptions": {
"ecmaVersion": 6
},
"rules": {
"no-unused-expressions": [0],
"no-underscore-dangle": [0],
Expand Down
1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
node_modules/
npm-debug.log
coverage/
.nyc_output/
23 changes: 0 additions & 23 deletions gulpfile.js
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23 changes: 10 additions & 13 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ function parseGradient(input) {
// `top right` and `right top` are the same,
// so we should put this situation into consideration
var rSideCorner = new RegExp(
'(' + // 1
'(' + // 1
'(?:to\\s+)?' +
'(?:' +
'(?:left|right|top|bottom)' +
Expand Down Expand Up @@ -46,7 +46,7 @@ function parseGradient(input) {
'(?:(' + rGradientLine.source + ')\\s*,\\s*)?' + // match gradient line
'(' + rColorStops.source + '(?:\\s*,\\s*' + rColorStops.source + ')+)' + // match color stops
'\\s*\\)',
'i');
'i');

var gradientMatch = rGradient.exec(input);

Expand Down Expand Up @@ -247,8 +247,7 @@ function getGradientFromRule(rule) {
return gradient;
}

module.exports = postcss.plugin('postcss-filter-gradient', function (opts) {
opts = opts || {};
module.exports = (opts = {}) => {
opts.angleFallback = opts.angleFallback !== false;
opts.skipMultiColor = opts.skipMultiColor === true;
opts.skipWarnings = opts.skipWarnings === true;
Expand All @@ -258,12 +257,10 @@ module.exports = postcss.plugin('postcss-filter-gradient', function (opts) {
target.warn(result, message);
}

return function (root, result) {
root.walkRules(function (rule) {
var gradient;
var filter;

gradient = getGradientFromRule(rule);
return {
postcssPlugin: 'postcss-filter-gradient',
Rule(rule, { result }) {
const gradient = getGradientFromRule(rule);

// if linear-gradient and `filter` both exist, warn users
if (gradient.value && hasFilter(rule)) {
Expand All @@ -284,7 +281,7 @@ module.exports = postcss.plugin('postcss-filter-gradient', function (opts) {
return;
}

filter = gradientToFilter(gradient.value);
const filter = gradientToFilter(gradient.value);

// warn users when the gradient value is not valid.
if (!filter.success) {
Expand All @@ -309,6 +306,6 @@ module.exports = postcss.plugin('postcss-filter-gradient', function (opts) {
gradient.decl.cloneAfter({
prop: 'filter', value: filter.string
});
});
}
};
});
};
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