mirror of
https://github.com/OutlineFoundation/outline-server.git
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35 lines
No EOL
1.5 KiB
JavaScript
35 lines
No EOL
1.5 KiB
JavaScript
// Copyright 2019 The Outline Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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const gulp = require('gulp');
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const posthtml = require('gulp-posthtml');
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const posthtmlcss = require('posthtml-postcss');
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const rtl = require('postcss-rtl');
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const replace = require('gulp-replace');
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// Generates inline CSS RTL mirroring rules for Polymer components.
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module.exports = function(src, dest) {
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console.log('Generating RTL CSS');
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const plugins = [rtl()];
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const options = {from: undefined, sync: true};
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const filterType = /\/css$/;
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return gulp.src([src])
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.pipe(posthtml([posthtmlcss(plugins, options, filterType)]))
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// Replace the generated selectors with Shadow DOM selectors for Polymer compatibility.
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.pipe(replace('[dir=rtl]', ':host(:dir(rtl))'))
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.pipe(replace('[dir=ltr]', ':host(:dir(ltr))'))
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// rtlcss generates [dir] selectors for rules unaffected by directionality; ignore them.
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.pipe(replace('[dir]', ''))
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.pipe(gulp.dest(dest));
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} |