You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.1 KiB
39 lines
1.1 KiB
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;
|
|
|