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.
40 lines
1.0 KiB
40 lines
1.0 KiB
const OMIT_PLUSSIGN = /^(?:\+|(-))?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/; |
|
const KEEP_PLUSSIGN = /^([\+\-])?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/; |
|
const unsafeToRemovePlusSignAfter = new Set([ |
|
'Dimension', |
|
'Hash', |
|
'Identifier', |
|
'Number', |
|
'Raw', |
|
'UnicodeRange' |
|
]); |
|
|
|
export function packNumber(value, item) { |
|
// omit plus sign only if no prev or prev is safe type |
|
const regexp = item && item.prev !== null && unsafeToRemovePlusSignAfter.has(item.prev.data.type) |
|
? KEEP_PLUSSIGN |
|
: OMIT_PLUSSIGN; |
|
|
|
// 100 -> '100' |
|
// 00100 -> '100' |
|
// +100 -> '100' |
|
// -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'; |
|
} |
|
// FIXME: is it solution simplier? |
|
// value = String(Number(value)).replace(/^(-?)0+\./, '$1.'); |
|
|
|
return value; |
|
} |
|
|
|
export function Number(node) { |
|
node.value = packNumber(node.value); |
|
};
|
|
|