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| var OMIT_PLUSSIGN = /^(?:\+|(-))?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
| var KEEP_PLUSSIGN = /^([\+\-])?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
| var unsafeToRemovePlusSignAfter = {
| Dimension: true,
| Hash: true,
| Identifier: true,
| Number: true,
| Raw: true,
| UnicodeRange: true
| };
|
| function packNumber(value, item) {
| // omit plus sign only if no prev or prev is safe type
| var regexp = item && item.prev !== null && unsafeToRemovePlusSignAfter.hasOwnProperty(item.prev.data.type)
| ? KEEP_PLUSSIGN
| : OMIT_PLUSSIGN;
|
| // 100 -> '100'
| // 00100 -> '100'
| // +100 -> '100' (only when safe, e.g. omitting plus sign for 1px+1px leads to single dimension instead of two)
| // -100 -> '-100'
| // 0.123 -> '.123'
| // 0.12300 -> '.123'
| // 0.0 -> ''
| // 0 -> ''
| // -0 -> '-'
| value = String(value).replace(regexp, '$1$2$3');
|
| if (value === '' || value === '-') {
| value = '0';
| }
|
| return value;
| }
|
| module.exports = function(node, item) {
| node.value = packNumber(node.value, item);
| };
| module.exports.pack = packNumber;
|
|
