Created
January 1, 2021 01:18
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| // Available variables: | |
| // - Machine | |
| // - interpret | |
| // - assign | |
| // - send | |
| // - sendParent | |
| // - spawn | |
| // - raise | |
| // - actions | |
| // - XState (all XState exports) | |
| // taken from https://www.w3resource.com/javascript/form/email-validation.php | |
| const emailReg = /^\w+([.-]?\w+)*@\w+([.-]?\w+)*(\.\w{2,3})+$/; | |
| // taken from https://stackoverflow.com/questions/19605150/regex-for-password-must-contain-at-least-eight-characters-at-least-one-number-a | |
| const passwordReg = /^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$/; | |
| function mockAuthenticate(email, password, ms = 1500) { | |
| return new Promise((resolve, reject) => { | |
| setTimeout(() => { | |
| if (Math.random() < 0.5) resolve(email); | |
| else reject("oopsy doopsy"); | |
| }, ms); | |
| }); | |
| } | |
| const initialContext = { | |
| email: "", | |
| password: "" | |
| }; | |
| const authMachine = Machine({ | |
| id: "authentication", | |
| initial: "loggedOut", | |
| context: initialContext, | |
| states: { | |
| loggedOut: { | |
| initial: "noErrors", | |
| on: { | |
| SIGN_UP: [ | |
| // check if everything is valid | |
| { | |
| target: ".invalidEmail", | |
| cond: "checkEmail" | |
| }, | |
| { | |
| target: ".invalidPassword", | |
| cond: "checkPassword" | |
| }, | |
| // if all worked out, go ahead and authenticate | |
| { | |
| target: "authenticating", | |
| actions: "saveData" | |
| } | |
| ] | |
| }, | |
| states: { | |
| noErrors: {}, | |
| invalidEmail: {}, | |
| invalidPassword: {}, | |
| authFailed: {} | |
| } | |
| }, | |
| authenticating: { | |
| invoke: { | |
| id: "authenticateUser", | |
| src: "authenticateUser", | |
| onDone: { | |
| target: "loggedIn", | |
| actions: "clearSignUp" | |
| }, | |
| onError: { | |
| target: "loggedOut.authFailed" | |
| } | |
| } | |
| }, | |
| loggedIn: { | |
| on: { | |
| LOGOUT: "loggedOut" | |
| } | |
| } | |
| } | |
| }, | |
| { | |
| actions: { | |
| clearSignUp: assign(initialContext), | |
| saveData: assign({ | |
| email: (_, e) => e.email, | |
| password: (_, e) => e.password | |
| }) | |
| }, | |
| guards: { | |
| checkEmail: (_, e) => !emailReg.test(e.email), | |
| checkPassword: (_, e) => !passwordReg.test(e.password) | |
| }, | |
| services: { | |
| authenticateUser: ctx => { | |
| const { email, password } = ctx; | |
| return mockAuthenticate(email, password); | |
| } | |
| } | |
| }); | |
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