source: trip-planner-front/node_modules/autoprefixer/lib/autoprefixer.js@ 6fe77af

Last change on this file since 6fe77af was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 3.9 KB
Line 
1"use strict";
2
3var browserslist = require('browserslist');
4
5var postcss = require('postcss');
6
7var agents = require('caniuse-lite').agents;
8
9var pico = require('picocolors');
10
11var Browsers = require('./browsers');
12
13var Prefixes = require('./prefixes');
14
15var data = require('../data/prefixes');
16
17var info = require('./info');
18
19var WARNING = '\n' + ' Replace Autoprefixer `browsers` option to Browserslist config.\n' + ' Use `browserslist` key in `package.json` or `.browserslistrc` file.\n' + '\n' + ' Using `browsers` option can cause errors. Browserslist config \n' + ' can be used for Babel, Autoprefixer, postcss-normalize and other tools.\n' + '\n' + ' If you really need to use option, rename it to `overrideBrowserslist`.\n' + '\n' + ' Learn more at:\n' + ' https://github.com/browserslist/browserslist#readme\n' + ' https://twitter.com/browserslist\n' + '\n';
20
21function isPlainObject(obj) {
22 return Object.prototype.toString.apply(obj) === '[object Object]';
23}
24
25var cache = {};
26
27function timeCapsule(result, prefixes) {
28 if (prefixes.browsers.selected.length === 0) {
29 return;
30 }
31
32 if (prefixes.add.selectors.length > 0) {
33 return;
34 }
35
36 if (Object.keys(prefixes.add).length > 2) {
37 return;
38 }
39 /* istanbul ignore next */
40
41
42 result.warn('Greetings, time traveller. ' + 'We are in the golden age of prefix-less CSS, ' + 'where Autoprefixer is no longer needed for your stylesheet.');
43}
44
45module.exports = postcss.plugin('autoprefixer', function () {
46 for (var _len = arguments.length, reqs = new Array(_len), _key = 0; _key < _len; _key++) {
47 reqs[_key] = arguments[_key];
48 }
49
50 var options;
51
52 if (reqs.length === 1 && isPlainObject(reqs[0])) {
53 options = reqs[0];
54 reqs = undefined;
55 } else if (reqs.length === 0 || reqs.length === 1 && !reqs[0]) {
56 reqs = undefined;
57 } else if (reqs.length <= 2 && (Array.isArray(reqs[0]) || !reqs[0])) {
58 options = reqs[1];
59 reqs = reqs[0];
60 } else if (typeof reqs[reqs.length - 1] === 'object') {
61 options = reqs.pop();
62 }
63
64 if (!options) {
65 options = {};
66 }
67
68 if (options.browser) {
69 throw new Error('Change `browser` option to `overrideBrowserslist` in Autoprefixer');
70 } else if (options.browserslist) {
71 throw new Error('Change `browserslist` option to `overrideBrowserslist` in Autoprefixer');
72 }
73
74 if (options.overrideBrowserslist) {
75 reqs = options.overrideBrowserslist;
76 } else if (options.browsers) {
77 if (typeof console !== 'undefined' && console.warn) {
78 console.warn(pico.red(WARNING.replace(/`[^`]+`/g, function (i) {
79 return pico.yellow(i.slice(1, -1));
80 })));
81 }
82
83 reqs = options.browsers;
84 }
85
86 var brwlstOpts = {
87 ignoreUnknownVersions: options.ignoreUnknownVersions,
88 stats: options.stats,
89 env: options.env
90 };
91
92 function loadPrefixes(opts) {
93 var d = module.exports.data;
94 var browsers = new Browsers(d.browsers, reqs, opts, brwlstOpts);
95 var key = browsers.selected.join(', ') + JSON.stringify(options);
96
97 if (!cache[key]) {
98 cache[key] = new Prefixes(d.prefixes, browsers, options);
99 }
100
101 return cache[key];
102 }
103
104 function plugin(css, result) {
105 var prefixes = loadPrefixes({
106 from: css.source && css.source.input.file,
107 env: options.env
108 });
109 timeCapsule(result, prefixes);
110
111 if (options.remove !== false) {
112 prefixes.processor.remove(css, result);
113 }
114
115 if (options.add !== false) {
116 prefixes.processor.add(css, result);
117 }
118 }
119
120 plugin.options = options;
121 plugin.browsers = reqs;
122
123 plugin.info = function (opts) {
124 opts = opts || {};
125 opts.from = opts.from || process.cwd();
126 return info(loadPrefixes(opts));
127 };
128
129 return plugin;
130});
131/**
132 * Autoprefixer data
133 */
134
135module.exports.data = {
136 browsers: agents,
137 prefixes: data
138};
139/**
140 * Autoprefixer default browsers
141 */
142
143module.exports.defaults = browserslist.defaults;
144/**
145 * Inspect with default Autoprefixer
146 */
147
148module.exports.info = function () {
149 return module.exports().info();
150};
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