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# Conflicts: # jsowell-ui/.env.development # jsowell-ui/.env.staging # jsowell-ui/bin/build-sit.bat # jsowell-ui/bin/build.bat # jsowell-ui/src/api/adapayMember/adapayMember.js # jsowell-ui/src/api/pile/merchant.js # jsowell-ui/src/router/index.js # jsowell-ui/src/views/financial/financeDetail.vue # jsowell-ui/src/views/financial/merchant.vue # jsowell-ui/src/views/homeIndex/homeIndex.vue # jsowell-ui/src/views/login.vue # jsowell-ui/src/views/pile/basic/detail.vue # jsowell-ui/src/views/pile/station/components/SiteInfo.vue # jsowell-ui/src/views/pile/station/detail.vue # jsowell-ui/src/views/pile/station/orderReport.vue
685 B
685 B
wrappy
Callback wrapping utility
USAGE
var wrappy = require("wrappy")
// var wrapper = wrappy(wrapperFunction)
// make sure a cb is called only once
// See also: http://npm.im/once for this specific use case
var once = wrappy(function (cb) {
var called = false
return function () {
if (called) return
called = true
return cb.apply(this, arguments)
}
})
function printBoo () {
console.log('boo')
}
// has some rando property
printBoo.iAmBooPrinter = true
var onlyPrintOnce = once(printBoo)
onlyPrintOnce() // prints 'boo'
onlyPrintOnce() // does nothing
// random property is retained!
assert.equal(onlyPrintOnce.iAmBooPrinter, true)