Last change
on this file since 188ee53 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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Property mode
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100644
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File size:
1.1 KB
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1 | var OMIT_PLUSSIGN = /^(?:\+|(-))?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
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2 | var KEEP_PLUSSIGN = /^([\+\-])?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
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3 | var unsafeToRemovePlusSignAfter = {
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4 | Dimension: true,
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5 | Hash: true,
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6 | Identifier: true,
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7 | Number: true,
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8 | Raw: true,
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9 | UnicodeRange: true
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10 | };
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11 |
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12 | function packNumber(value, item) {
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13 | // omit plus sign only if no prev or prev is safe type
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14 | var regexp = item && item.prev !== null && unsafeToRemovePlusSignAfter.hasOwnProperty(item.prev.data.type)
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15 | ? KEEP_PLUSSIGN
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16 | : OMIT_PLUSSIGN;
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17 |
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18 | // 100 -> '100'
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19 | // 00100 -> '100'
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20 | // +100 -> '100' (only when safe, e.g. omitting plus sign for 1px+1px leads to single dimension instead of two)
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21 | // -100 -> '-100'
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22 | // 0.123 -> '.123'
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23 | // 0.12300 -> '.123'
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24 | // 0.0 -> ''
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25 | // 0 -> ''
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26 | // -0 -> '-'
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27 | value = String(value).replace(regexp, '$1$2$3');
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28 |
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29 | if (value === '' || value === '-') {
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30 | value = '0';
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31 | }
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32 |
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33 | return value;
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34 | }
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35 |
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36 | module.exports = function(node, item) {
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37 | node.value = packNumber(node.value, item);
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38 | };
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39 | module.exports.pack = packNumber;
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