Yoshua Wuyts
9e039ed561
Changes ======= - add hook handlers - add effect composition - add noFreeze option Commits ======= - fixup! fix toString() - fixup! use assert instead of throw - fixup! fix reducers - fixup! work on done callbacks - fixup! more callback work - fixup! woooh fixed effects errs - fixup! wrap up stuff
53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
// Create a new error. Errors are pushed into an array so they can be
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// queued. We're doing a bit of timestamp trickery here so each error
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// is shown for exactly one second before being dropped. Probably
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// useful for real world scenarios; especially when coupled to
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// fancy CSS animation thingies
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// Each error is displayed 1 second
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const ERROR_TIMEOUT = 1000
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module.exports = {
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namespace: 'app',
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state: {
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errors: [],
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errorTimeDone: 0,
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triggerTime: null
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},
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reducers: {
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setError: function (action, state) {
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return {
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errors: state.errors.concat(action.message),
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errorTimeDone: action.errorTimeDone
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}
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},
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'delError': function (action, state) {
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state.errors.shift()
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return { errors: state.errors }
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}
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},
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effects: {
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error: function (err, state, send, done) {
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const timeDone = state.errorTimeDone
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const now = Date.now()
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const timeStamp = (timeDone && timeDone >= now)
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? timeDone + ERROR_TIMEOUT
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: now + ERROR_TIMEOUT
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const timeout = timeStamp - now
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const errAction = {
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message: err.message,
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errorTimeDone: timeStamp
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}
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send('app:setError', errAction, function (err) {
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if (err) return done(err)
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setTimeout(function () {
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send('app:delError', done)
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}, timeout)
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})
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}
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}
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}
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