flow like the river

BACK_BACK/node_modules/postcss-normalize-unicode/CHANGELOG.md

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+# 4.0.0-rc.0
+
+* Initial commit. This module was previously part of other cssnano modules and
+  has been extracted out.

BACK_BACK/node_modules/postcss-normalize-unicode/LICENSE-MIT

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+Copyright (c) Ben Briggs <beneb.info@gmail.com> (http://beneb.info)
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.

BACK_BACK/node_modules/postcss-normalize-unicode/README.md

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+# [postcss][postcss]-normalize-unicode
+
+> Normalize unicode with PostCSS.
+
+## Install
+
+With [npm](https://npmjs.org/package/postcss-normalize-unicode) do:
+
+```
+npm install postcss-normalize-unicode --save
+```
+
+## Example
+
+### Input
+
+```css
+@font-face{
+    font-family: test;
+    unicode-range: u+2b00-2bff
+}
+```
+
+### Output
+
+```css
+@font-face{
+    font-family: test;
+    unicode-range: u+2b??
+}
+``` 
+
+## Usage
+
+See the [PostCSS documentation](https://github.com/postcss/postcss#usage) for
+examples for your environment.
+
+## Contributors
+
+See [CONTRIBUTORS.md](https://github.com/cssnano/cssnano/blob/master/CONTRIBUTORS.md).
+
+## License
+
+MIT © [Ben Briggs](http://beneb.info)
+
+[postcss]: https://github.com/postcss/postcss

BACK_BACK/node_modules/postcss-normalize-unicode/dist/index.js

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+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+
+var _browserslist = require('browserslist');
+
+var _browserslist2 = _interopRequireDefault(_browserslist);
+
+var _postcss = require('postcss');
+
+var _postcss2 = _interopRequireDefault(_postcss);
+
+var _postcssValueParser = require('postcss-value-parser');
+
+var _postcssValueParser2 = _interopRequireDefault(_postcssValueParser);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const regexLowerCaseUPrefix = /^u(?=\+)/;
+
+function unicode(range) {
+    const values = range.slice(2).split('-');
+    if (values.length < 2) {
+        return range;
+    }
+    const left = values[0].split('');
+    const right = values[1].split('');
+
+    if (left.length !== right.length) {
+        return range;
+    }
+
+    let questionCounter = 0;
+
+    const merged = left.reduce((group, value, index) => {
+        if (group === false) {
+            return false;
+        }
+        if (value === right[index] && !questionCounter) {
+            return group + value;
+        }
+        if (value === '0' && right[index] === 'f') {
+            questionCounter++;
+            return group + '?';
+        }
+        return false;
+    }, 'u+');
+
+    /*
+     * The maximum number of wildcard characters (?) for ranges is 5.
+     */
+
+    if (merged && questionCounter < 6) {
+        return merged;
+    }
+
+    return range;
+}
+
+/*
+ * IE and Edge before 16 version ignore the unicode-range if the 'U' is lowercase
+ *
+ * https://caniuse.com/#search=unicode-range
+ */
+
+function hasLowerCaseUPrefixBug(browser) {
+    return ~(0, _browserslist2.default)('ie <=11, edge <= 15').indexOf(browser);
+}
+
+function transform(legacy = false, node) {
+    node.value = (0, _postcssValueParser2.default)(node.value).walk(child => {
+        if (child.type === 'word') {
+            const transformed = unicode(child.value.toLowerCase());
+            child.value = legacy ? transformed.replace(regexLowerCaseUPrefix, 'U') : transformed;
+        }
+        return false;
+    }).toString();
+}
+
+exports.default = _postcss2.default.plugin('postcss-normalize-unicode', () => {
+    return (css, result) => {
+        const resultOpts = result.opts || {};
+        const browsers = (0, _browserslist2.default)(null, {
+            stats: resultOpts.stats,
+            path: __dirname,
+            env: resultOpts.env
+        });
+        css.walkDecls(/^unicode-range$/i, transform.bind(null, browsers.some(hasLowerCaseUPrefixBug)));
+    };
+});
+module.exports = exports['default'];

BACK_BACK/node_modules/postcss-normalize-unicode/package.json

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+{
+  "name": "postcss-normalize-unicode",
+  "version": "4.0.1",
+  "description": "Normalize unicode-range descriptors, and can convert to wildcard ranges.",
+  "main": "dist/index.js",
+  "files": [
+    "dist",
+    "LICENSE-MIT"
+  ],
+  "scripts": {
+    "prepublish": "cross-env BABEL_ENV=publish babel src --out-dir dist --ignore /__tests__/"
+  },
+  "keywords": [
+    "css",
+    "postcss",
+    "postcss-plugin"
+  ],
+  "license": "MIT",
+  "devDependencies": {
+    "babel-cli": "^6.0.0",
+    "cross-env": "^5.0.0"
+  },
+  "homepage": "https://github.com/cssnano/cssnano",
+  "author": {
+    "name": "Ben Briggs",
+    "email": "beneb.info@gmail.com",
+    "url": "http://beneb.info"
+  },
+  "repository": "cssnano/cssnano",
+  "dependencies": {
+    "browserslist": "^4.0.0",
+    "postcss": "^7.0.0",
+    "postcss-value-parser": "^3.0.0"
+  },
+  "bugs": {
+    "url": "https://github.com/cssnano/cssnano/issues"
+  },
+  "engines": {
+    "node": ">=6.9.0"
+  }
+}