| 1 | /**
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| 2 | * Copyright 2017 Google Inc. All rights reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | const CleanCSS = require('clean-css');
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| 18 | const process = require('process');
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| 19 | const replace = require('replace-in-file');
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| 20 | const argv = require('minimist')(process.argv.slice(2));
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| 21 |
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| 22 | // Replaces the CSS that matches one very specific string with the compressed output of the input file
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| 23 |
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| 24 | const inputCSSFile = [argv['i']];
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| 25 |
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| 26 | const replaceLink = (css) => {
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| 27 | const styles = css.styles;
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| 28 | replace({
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| 29 | files: 'dist/server/public/assets/templates/*.html',
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| 30 | from: /<link rel="stylesheet" href="\/styles\/main.css" \/>/g,
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| 31 | to: `<style nonce='style-{{= it.nonce.inlinedcss }}'>${styles}</style>`
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| 32 | });
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| 33 | };
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| 34 |
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| 35 | new CleanCSS({returnPromise: true})
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| 36 | .minify(inputCSSFile)
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| 37 | .then(replaceLink)
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| 38 | .then(_ => console.log('CSS Replaced'));
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