Index: frontend/node_modules/postcss-minify-gradients/LICENSE-MIT =================================================================== --- frontend/node_modules/postcss-minify-gradients/LICENSE-MIT (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/postcss-minify-gradients/LICENSE-MIT (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,22 @@ +Copyright (c) Ben Briggs (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. Index: frontend/node_modules/postcss-minify-gradients/README.md =================================================================== --- frontend/node_modules/postcss-minify-gradients/README.md (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/postcss-minify-gradients/README.md (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,53 @@ +# [postcss][postcss]-minify-gradients + +> Minify gradient parameters with PostCSS. + +## Install + +With [npm](https://npmjs.org/package/postcss-minify-gradients) do: + +``` +npm install postcss-minify-gradients +``` + + +## Example + +Where possible, this module will minify gradient parameters. It can convert +linear gradient directional syntax to angles, remove the unnecessary `0%` and +`100%` start and end values, and minimise color stops that use the same length +values (the browser will adjust the value automatically). + +### Input + +```css +h1 { + background: linear-gradient(to bottom, #ffe500 0%, #ffe500 50%, #121 50%, #121 100%) +} +``` + +### Output + +```css +h1 { + background: linear-gradient(180deg, #ffe500, #ffe500 50%, #121 0, #121) +} +``` + + +## 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 Index: frontend/node_modules/postcss-minify-gradients/package.json =================================================================== --- frontend/node_modules/postcss-minify-gradients/package.json (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/postcss-minify-gradients/package.json (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,43 @@ +{ + "name": "postcss-minify-gradients", + "version": "5.1.1", + "description": "Minify gradient parameters with PostCSS.", + "main": "src/index.js", + "types": "types/index.d.ts", + "files": [ + "LICENSE-MIT", + "src", + "types" + ], + "keywords": [ + "css", + "postcss", + "postcss-plugin" + ], + "license": "MIT", + "homepage": "https://github.com/cssnano/cssnano", + "author": { + "name": "Ben Briggs", + "email": "beneb.info@gmail.com", + "url": "http://beneb.info" + }, + "repository": "cssnano/cssnano", + "dependencies": { + "colord": "^2.9.1", + "cssnano-utils": "^3.1.0", + "postcss-value-parser": "^4.2.0" + }, + "bugs": { + "url": "https://github.com/cssnano/cssnano/issues" + }, + "engines": { + "node": "^10 || ^12 || >=14.0" + }, + "devDependencies": { + "postcss": "^8.2.15" + }, + "peerDependencies": { + "postcss": "^8.2.15" + }, + "readme": "# [postcss][postcss]-minify-gradients\n\n> Minify gradient parameters with PostCSS.\n\n## Install\n\nWith [npm](https://npmjs.org/package/postcss-minify-gradients) do:\n\n```\nnpm install postcss-minify-gradients\n```\n\n\n## Example\n\nWhere possible, this module will minify gradient parameters. It can convert\nlinear gradient directional syntax to angles, remove the unnecessary `0%` and\n`100%` start and end values, and minimise color stops that use the same length\nvalues (the browser will adjust the value automatically).\n\n### Input\n\n```css\nh1 {\n background: linear-gradient(to bottom, #ffe500 0%, #ffe500 50%, #121 50%, #121 100%)\n}\n```\n\n### Output\n\n```css\nh1 {\n background: linear-gradient(180deg, #ffe500, #ffe500 50%, #121 0, #121)\n}\n```\n\n\n## Usage\n\nSee the [PostCSS documentation](https://github.com/postcss/postcss#usage) for\nexamples for your environment.\n\n\n## Contributors\n\nSee [CONTRIBUTORS.md](https://github.com/cssnano/cssnano/blob/master/CONTRIBUTORS.md).\n\n\n## License\n\nMIT © [Ben Briggs](http://beneb.info)\n\n[postcss]: https://github.com/postcss/postcss\n" +} Index: frontend/node_modules/postcss-minify-gradients/src/index.js =================================================================== --- frontend/node_modules/postcss-minify-gradients/src/index.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/postcss-minify-gradients/src/index.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,224 @@ +'use strict'; +const valueParser = require('postcss-value-parser'); +const { getArguments } = require('cssnano-utils'); +const isColorStop = require('./isColorStop.js'); + +const angles = { + top: '0deg', + right: '90deg', + bottom: '180deg', + left: '270deg', +}; + +/** + * @param {valueParser.Dimension} a + * @param {valueParser.Dimension} b + * @return {boolean} + */ +function isLessThan(a, b) { + return ( + a.unit.toLowerCase() === b.unit.toLowerCase() && + parseFloat(a.number) >= parseFloat(b.number) + ); +} +/** + * @param {import('postcss').Declaration} decl + * @return {void} + */ +function optimise(decl) { + const value = decl.value; + + if (!value) { + return; + } + + const normalizedValue = value.toLowerCase(); + + if (normalizedValue.includes('var(') || normalizedValue.includes('env(')) { + return; + } + + if (!normalizedValue.includes('gradient')) { + return; + } + + decl.value = valueParser(value) + .walk((node) => { + if (node.type !== 'function' || !node.nodes.length) { + return false; + } + + const lowerCasedValue = node.value.toLowerCase(); + + if ( + lowerCasedValue === 'linear-gradient' || + lowerCasedValue === 'repeating-linear-gradient' || + lowerCasedValue === '-webkit-linear-gradient' || + lowerCasedValue === '-webkit-repeating-linear-gradient' + ) { + let args = getArguments(node); + + if ( + node.nodes[0].value.toLowerCase() === 'to' && + args[0].length === 3 + ) { + node.nodes = node.nodes.slice(2); + node.nodes[0].value = + angles[ + /** @type {'top'|'right'|'bottom'|'left'}*/ ( + node.nodes[0].value.toLowerCase() + ) + ]; + } + + /** @type {valueParser.Dimension | false} */ + let lastStop; + + args.forEach((arg, index) => { + if (arg.length !== 3) { + return; + } + + let isFinalStop = index === args.length - 1; + let thisStop = valueParser.unit(arg[2].value); + + if (lastStop === undefined) { + lastStop = thisStop; + + if ( + !isFinalStop && + lastStop && + lastStop.number === '0' && + lastStop.unit.toLowerCase() !== 'deg' + ) { + arg[1].value = arg[2].value = ''; + } + + return; + } + + if (lastStop && thisStop && isLessThan(lastStop, thisStop)) { + arg[2].value = '0'; + } + + lastStop = thisStop; + + if (isFinalStop && arg[2].value === '100%') { + arg[1].value = arg[2].value = ''; + } + }); + + return false; + } + + if ( + lowerCasedValue === 'radial-gradient' || + lowerCasedValue === 'repeating-radial-gradient' + ) { + let args = getArguments(node); + /** @type {valueParser.Dimension | false} */ + let lastStop; + + const hasAt = args[0].find((n) => n.value.toLowerCase() === 'at'); + + args.forEach((arg, index) => { + if (!arg[2] || (!index && hasAt)) { + return; + } + + let thisStop = valueParser.unit(arg[2].value); + + if (!lastStop) { + lastStop = thisStop; + + return; + } + + if (lastStop && thisStop && isLessThan(lastStop, thisStop)) { + arg[2].value = '0'; + } + + lastStop = thisStop; + }); + + return false; + } + + if ( + lowerCasedValue === '-webkit-radial-gradient' || + lowerCasedValue === '-webkit-repeating-radial-gradient' + ) { + let args = getArguments(node); + /** @type {valueParser.Dimension | false} */ + let lastStop; + + args.forEach((arg) => { + let color; + let stop; + + if (arg[2] !== undefined) { + if (arg[0].type === 'function') { + color = `${arg[0].value}(${valueParser.stringify(arg[0].nodes)})`; + } else { + color = arg[0].value; + } + + if (arg[2].type === 'function') { + stop = `${arg[2].value}(${valueParser.stringify(arg[2].nodes)})`; + } else { + stop = arg[2].value; + } + } else { + if (arg[0].type === 'function') { + color = `${arg[0].value}(${valueParser.stringify(arg[0].nodes)})`; + } + + color = arg[0].value; + } + + color = color.toLowerCase(); + + const colorStop = + stop !== undefined + ? isColorStop(color, stop.toLowerCase()) + : isColorStop(color); + + if (!colorStop || !arg[2]) { + return; + } + + let thisStop = valueParser.unit(arg[2].value); + + if (!lastStop) { + lastStop = thisStop; + + return; + } + + if (lastStop && thisStop && isLessThan(lastStop, thisStop)) { + arg[2].value = '0'; + } + + lastStop = thisStop; + }); + + return false; + } + }) + .toString(); +} +/** + * @type {import('postcss').PluginCreator} + * @return {import('postcss').Plugin} + */ +function pluginCreator() { + return { + postcssPlugin: 'postcss-minify-gradients', + OnceExit(css) { + css.walkDecls(optimise); + }, + }; +} + +pluginCreator.postcss = true; +module.exports = pluginCreator; Index: frontend/node_modules/postcss-minify-gradients/src/isColorStop.js =================================================================== --- frontend/node_modules/postcss-minify-gradients/src/isColorStop.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/postcss-minify-gradients/src/isColorStop.js (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,62 @@ +'use strict'; +const { unit } = require('postcss-value-parser'); +const { colord, extend } = require('colord'); +const namesPlugin = require('colord/plugins/names'); + +extend([/** @type {any} */ (namesPlugin)]); + +/* Code derived from https://github.com/pigcan/is-color-stop */ + +const lengthUnits = new Set([ + 'PX', + 'IN', + 'CM', + 'MM', + 'EM', + 'REM', + 'POINTS', + 'PC', + 'EX', + 'CH', + 'VW', + 'VH', + 'VMIN', + 'VMAX', + '%', +]); + +/** + * @param {string} input + * @return {boolean} + */ +function isCSSLengthUnit(input) { + return lengthUnits.has(input.toUpperCase()); +} +/** + * @param {string|undefined} str + * @return {boolean} + */ +function isStop(str) { + if (str) { + let stop = false; + const node = unit(str); + if (node) { + const number = Number(node.number); + if (number === 0 || (!isNaN(number) && isCSSLengthUnit(node.unit))) { + stop = true; + } + } else { + stop = /^calc\(\S+\)$/g.test(str); + } + return stop; + } + return true; +} +/** + * @param {string} color + * @param {string} [stop] + * @return {boolean} + */ +module.exports = function isColorStop(color, stop) { + return colord(color).isValid() && isStop(stop); +}; Index: frontend/node_modules/postcss-minify-gradients/types/index.d.ts =================================================================== --- frontend/node_modules/postcss-minify-gradients/types/index.d.ts (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/postcss-minify-gradients/types/index.d.ts (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,9 @@ +export = pluginCreator; +/** + * @type {import('postcss').PluginCreator} + * @return {import('postcss').Plugin} + */ +declare function pluginCreator(): import('postcss').Plugin; +declare namespace pluginCreator { + const postcss: true; +} Index: frontend/node_modules/postcss-minify-gradients/types/isColorStop.d.ts =================================================================== --- frontend/node_modules/postcss-minify-gradients/types/isColorStop.d.ts (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) +++ frontend/node_modules/postcss-minify-gradients/types/isColorStop.d.ts (revision 9af201e94b5a79beb92a30858fc54de4bc3b9449) @@ -0,0 +1,2 @@ +declare function _exports(color: string, stop?: string | undefined): boolean; +export = _exports;