1 | # at-rule-property-requirelist
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2 |
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3 | **_Deprecated: Instead use the [`at-rule-property-required-list`](../at-rule-property-required-list/README.md) rule._**
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4 |
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5 | Specify a list of required properties for an at-rule.
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6 |
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7 |
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8 | ```css
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9 | @font-face { font-display: swap; font-family: 'foo'; }
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10 | /** ↑ ↑ ↑
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11 | * At-rule and required property names */
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12 | ```
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13 |
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14 | ## Options
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15 |
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16 | `object`: `{ "at-rule-name": ["array", "of", "properties"] }`
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17 |
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18 | Given:
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19 |
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20 | ```
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21 | {
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22 | "font-face": ["font-display", "font-family", "font-style"]
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23 | }
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24 | ```
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25 |
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26 | The following patterns are considered violations:
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27 |
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28 |
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29 | ```css
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30 | @font-face {
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31 | font-family: 'foo';
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32 | src: url('./fonts/foo.woff2') format('woff2');
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33 | }
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34 | ```
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35 |
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36 |
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37 | ```css
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38 | @font-face {
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39 | font-family: 'foo';
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40 | font-style: normal;
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41 | src: url('./fonts/foo.woff2') format('woff2');
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42 | }
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43 | ```
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44 |
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45 | The following patterns are _not_ considered violations:
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46 |
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47 |
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48 | ```css
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49 | @font-face {
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50 | font-display: swap;
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51 | font-family: 'foo';
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52 | font-style: normal;
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53 | src: url('./fonts/foo.woff2') format('woff2');
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54 | }
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55 | ```
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