| let Declaration = require('../declaration') |
| let { isPureNumber } = require('../utils') |
|
|
| class GridEnd extends Declaration { |
| |
| |
| |
| insert(decl, prefix, prefixes, result) { |
| if (prefix !== '-ms-') return super.insert(decl, prefix, prefixes) |
|
|
| let clonedDecl = this.clone(decl) |
|
|
| let startProp = decl.prop.replace(/end$/, 'start') |
| let spanProp = prefix + decl.prop.replace(/end$/, 'span') |
|
|
| if (decl.parent.some(i => i.prop === spanProp)) { |
| return undefined |
| } |
|
|
| clonedDecl.prop = spanProp |
|
|
| if (decl.value.includes('span')) { |
| clonedDecl.value = decl.value.replace(/span\s/i, '') |
| } else { |
| let startDecl |
| decl.parent.walkDecls(startProp, d => { |
| startDecl = d |
| }) |
| if (startDecl) { |
| if (isPureNumber(startDecl.value)) { |
| let value = Number(decl.value) - Number(startDecl.value) + '' |
| clonedDecl.value = value |
| } else { |
| return undefined |
| } |
| } else { |
| decl.warn( |
| result, |
| `Can not prefix ${decl.prop} (${startProp} is not found)` |
| ) |
| } |
| } |
|
|
| decl.cloneBefore(clonedDecl) |
|
|
| return undefined |
| } |
| } |
|
|
| GridEnd.names = ['grid-row-end', 'grid-column-end'] |
|
|
| module.exports = GridEnd |
|
|
