my-idlers/node_modules/autoprefixer/lib/hacks/placeholder.js

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let Selector = require('../selector')
class Placeholder extends Selector {
/**
* Add old mozilla to possible prefixes
*/
possible () {
return super.possible().concat(['-moz- old', '-ms- old'])
}
/**
* Return different selectors depend on prefix
*/
prefixed (prefix) {
if (prefix === '-webkit-') {
return '::-webkit-input-placeholder'
}
if (prefix === '-ms-') {
return '::-ms-input-placeholder'
}
if (prefix === '-ms- old') {
return ':-ms-input-placeholder'
}
if (prefix === '-moz- old') {
return ':-moz-placeholder'
}
return `::${prefix}placeholder`
}
}
Placeholder.names = ['::placeholder']
module.exports = Placeholder