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module.exports = warnDeprecated
var log = require('npmlog')
var deprecations = {}
function warnDeprecated (type) {
return function warn (messages, instance) {
if (!instance) {
if (!deprecations[type]) {
deprecations[type] = {}
messages.forEach(function (m) { log.warn(type, m) })
}
} else {
if (!deprecations[type]) deprecations[type] = {}
if (!deprecations[type][instance]) {
deprecations[type][instance] = true
messages.forEach(function (m) { log.warn(type, m) })
}
}
}
}