.config/coc/extensions/node_modules/coc-prettier/node_modules/stylelint/lib/rules/property-no-unknown/README.md

   1 # property-no-unknown
   2
   3 Disallow unknown properties.
   4
   5 ```css
   6 a { heigth: 100%; }
   7 /** ↑
   8  * These properties */
   9 ```
  10
  11 This rule considers properties defined in the [CSS Specifications and browser specific properties](https://github.com/betit/known-css-properties#source) to be known.
  12
  13 This rule ignores variables (`$sass`, `@less`, `--custom-property`).
  14
  15 This rule ignores vendor-prefixed properties (e.g., `-moz-align-self`, `-webkit-align-self`).
  16 Use option `checkPrefixed` described below to turn on checking of vendor-prefixed properties.
  17
  18 ## Options
  19
  20 ### `true`
  21
  22 The following patterns are considered violations:
  23
  24 ```css
  25 a {
  26   colr: blue;
  27 }
  28 ```
  29
  30 ```css
  31 a {
  32   my-property: 1;
  33 }
  34 ```
  35
  36 The following patterns are *not* considered violations:
  37
  38 ```css
  39 a {
  40   color: green;
  41 }
  42 ```
  43
  44 ```css
  45 a {
  46   fill: black;
  47 }
  48 ```
  49
  50 ```css
  51 a {
  52   -moz-align-self: center;
  53 }
  54 ```
  55
  56 ```css
  57 a {
  58   -webkit-align-self: center;
  59 }
  60 ```
  61
  62 ```css
  63 a {
  64   align-self: center;
  65 }
  66 ```
  67
  68 ## Optional secondary options
  69
  70 ### `ignoreProperties: ["/regex/", "string"]`
  71
  72 Given:
  73
  74 ```js
  75 ["/^my-/", "custom"]
  76 ```
  77
  78 The following patterns are *not* considered violations:
  79
  80 ```css
  81 a {
  82   my-property: 10px;
  83 }
  84 ```
  85
  86 ```css
  87 a {
  88   my-other-property: 10px;
  89 }
  90 ```
  91
  92 ```css
  93 a {
  94   custom: 10px;
  95 }
  96 ```
  97
  98 ### `checkPrefixed: true | false` (default: `false`)
  99
 100 If `true`, this rule will check vendor-prefixed properties.
 101
 102 For example with `true`:
 103
 104 The following patterns are *not* considered violations:
 105
 106 ```css
 107 a {
 108   -webkit-overflow-scrolling: auto;
 109 }
 110 ```
 111
 112 ```css
 113 a {
 114   -moz-box-flex: 0;
 115 }
 116 ```
 117
 118 The following patterns are considered  violations:
 119
 120 ```css
 121 a {
 122   -moz-align-self: center;
 123 }
 124 ```
 125
 126 ```css
 127 a {
 128   -moz-overflow-scrolling: center;
 129 }
 130 ```