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refactor: deprecate ServiceWorker APIs #16732

merged 1 commit into from Feb 5, 2019
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Just for now

@@ -379,6 +379,8 @@ WebContents.prototype._init = function () {

this.capturePage = deprecate.promisify(this.capturePage)
this.hasServiceWorker = deprecate.function(this.hasServiceWorker)
this.unregisterServiceWorker = deprecate.function(this.unregisterServiceWorker)

// Dispatch IPC messages to the ipc module.
this.on('-ipc-message', function (event, [channel, ...args]) {
@@ -69,6 +69,16 @@ const deprecate = {

function: (fn, newName) => {
// if newName is left blank, a removal warning will be displayed
const warn = warnOnce(, newName)

return function () {
if (!process.noDeprecation) warn()
return fn.apply(this, arguments)

promisify: (fn) => {
const fnName = || 'function'
const oldName = `${fnName} with callbacks`
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