Refactor integration to use Composition API (#8581)

* refactor(client): refactor integration to use Composition API

* fix(client): drop superfluous enable* constants

* refactor(client): deduplicate window opening for services

packages/client/src/pages/settings/integration.vue

 <template>
 <div class="_formRoot">
-	<FormSection v-if="enableTwitterIntegration">
+	<FormSection v-if="instance.enableTwitterIntegration">
 		<template #label><i class="fab fa-twitter"></i> Twitter</template>
-		<p v-if="integrations.twitter">{{ $ts.connectedTo }}: <a :href="`https://twitter.com/${integrations.twitter.screenName}`" rel="nofollow noopener" target="_blank">@{{ integrations.twitter.screenName }}</a></p>
-		<MkButton v-if="integrations.twitter" danger @click="disconnectTwitter">{{ $ts.disconnectService }}</MkButton>
-		<MkButton v-else primary @click="connectTwitter">{{ $ts.connectService }}</MkButton>
+		<p v-if="integrations.twitter">{{ i18n.ts.connectedTo }}: <a :href="`https://twitter.com/${integrations.twitter.screenName}`" rel="nofollow noopener" target="_blank">@{{ integrations.twitter.screenName }}</a></p>
+		<MkButton v-if="integrations.twitter" danger @click="disconnectTwitter">{{ i18n.ts.disconnectService }}</MkButton>
+		<MkButton v-else primary @click="connectTwitter">{{ i18n.ts.connectService }}</MkButton>
 	</FormSection>
 
-	<FormSection v-if="enableDiscordIntegration">
+	<FormSection v-if="instance.enableDiscordIntegration">
 		<template #label><i class="fab fa-discord"></i> Discord</template>
-		<p v-if="integrations.discord">{{ $ts.connectedTo }}: <a :href="`https://discord.com/users/${integrations.discord.id}`" rel="nofollow noopener" target="_blank">@{{ integrations.discord.username }}#{{ integrations.discord.discriminator }}</a></p>
-		<MkButton v-if="integrations.discord" danger @click="disconnectDiscord">{{ $ts.disconnectService }}</MkButton>
-		<MkButton v-else primary @click="connectDiscord">{{ $ts.connectService }}</MkButton>
+		<p v-if="integrations.discord">{{ i18n.ts.connectedTo }}: <a :href="`https://discord.com/users/${integrations.discord.id}`" rel="nofollow noopener" target="_blank">@{{ integrations.discord.username }}#{{ integrations.discord.discriminator }}</a></p>
+		<MkButton v-if="integrations.discord" danger @click="disconnectDiscord">{{ i18n.ts.disconnectService }}</MkButton>
+		<MkButton v-else primary @click="connectDiscord">{{ i18n.ts.connectService }}</MkButton>
 	</FormSection>
 
-	<FormSection v-if="enableGithubIntegration">
+	<FormSection v-if="instance.enableGithubIntegration">
 		<template #label><i class="fab fa-github"></i> GitHub</template>
-		<p v-if="integrations.github">{{ $ts.connectedTo }}: <a :href="`https://github.com/${integrations.github.login}`" rel="nofollow noopener" target="_blank">@{{ integrations.github.login }}</a></p>
-		<MkButton v-if="integrations.github" danger @click="disconnectGithub">{{ $ts.disconnectService }}</MkButton>
-		<MkButton v-else primary @click="connectGithub">{{ $ts.connectService }}</MkButton>
+		<p v-if="integrations.github">{{ i18n.ts.connectedTo }}: <a :href="`https://github.com/${integrations.github.login}`" rel="nofollow noopener" target="_blank">@{{ integrations.github.login }}</a></p>
+		<MkButton v-if="integrations.github" danger @click="disconnectGithub">{{ i18n.ts.disconnectService }}</MkButton>
+		<MkButton v-else primary @click="connectGithub">{{ i18n.ts.connectService }}</MkButton>
 	</FormSection>
 </div>
 </template>
 
-<script lang="ts">
-import { defineComponent } from 'vue';
+<script lang="ts" setup>
+import { computed, defineExpose, onMounted, ref, watch } from 'vue';
 import { apiUrl } from '@/config';
 import FormSection from '@/components/form/section.vue';
 import MkButton from '@/components/ui/button.vue';
-import * as os from '@/os';
 import * as symbols from '@/symbols';
+import { $i } from '@/account';
+import { instance } from '@/instance';
+import { i18n } from '@/i18n';
+
+const twitterForm = ref<Window | null>(null);
+const discordForm = ref<Window | null>(null);
+const githubForm = ref<Window | null>(null);
+
+const integrations = computed(() => $i!.integrations);
+
+function openWindow(service: string, type: string) {
+	return window.open(`${apiUrl}/${type}/${service}`,
+		`${service}_${type}_window`,
+		'height=570, width=520'
+	);
+}
+
+function connectTwitter() {
+	twitterForm.value = openWindow('twitter', 'connect');
+}
+
+function disconnectTwitter() {
+	openWindow('twitter', 'disconnect');
+}
+
+function connectDiscord() {
+	discordForm.value = openWindow('discord', 'connect');
+}
+
+function disconnectDiscord() {
+	openWindow('discord', 'disconnect');
+}
+
+function connectGithub() {
+	githubForm.value = openWindow('github', 'connect');
+}
+
+function disconnectGithub() {
+	openWindow('github', 'disconnect');
+}
+
+onMounted(() => {
+	document.cookie = `igi=${$i!.token}; path=/;` +
+		` max-age=31536000;` +
+		(document.location.protocol.startsWith('https') ? ' secure' : '');
+
+	watch(integrations, () => {
+		if (integrations.value.twitter) {
+			if (twitterForm.value) twitterForm.value.close();
+		}
+		if (integrations.value.discord) {
+			if (discordForm.value) discordForm.value.close();
+		}
+		if (integrations.value.github) {
+			if (githubForm.value) githubForm.value.close();
+		}
+	});
+});
 
-export default defineComponent({
-	components: {
-		FormSection,
-		MkButton
-	},
-
-	emits: ['info'],
-
-	data() {
-		return {
-			[symbols.PAGE_INFO]: {
-				title: this.$ts.integration,
-				icon: 'fas fa-share-alt',
-				bg: 'var(--bg)',
-			},
-			apiUrl,
-			twitterForm: null,
-			discordForm: null,
-			githubForm: null,
-			enableTwitterIntegration: false,
-			enableDiscordIntegration: false,
-			enableGithubIntegration: false,
-		};
-	},
-
-	computed: {
-		integrations() {
-			return this.$i.integrations;
-		},
-		
-		meta() {
-			return this.$instance;
-		},
-	},
-
-	created() {
-		this.enableTwitterIntegration = this.meta.enableTwitterIntegration;
-		this.enableDiscordIntegration = this.meta.enableDiscordIntegration;
-		this.enableGithubIntegration = this.meta.enableGithubIntegration;
-	},
-
-	mounted() {
-		document.cookie = `igi=${this.$i.token}; path=/;` +
-			` max-age=31536000;` +
-			(document.location.protocol.startsWith('https') ? ' secure' : '');
-
-		this.$watch('integrations', () => {
-			if (this.integrations.twitter) {
-				if (this.twitterForm) this.twitterForm.close();
-			}
-			if (this.integrations.discord) {
-				if (this.discordForm) this.discordForm.close();
-			}
-			if (this.integrations.github) {
-				if (this.githubForm) this.githubForm.close();
-			}
-		}, {
-			deep: true
-		});
-	},
-
-	methods: {
-		connectTwitter() {
-			this.twitterForm = window.open(apiUrl + '/connect/twitter',
-				'twitter_connect_window',
-				'height=570, width=520');
-		},
-
-		disconnectTwitter() {
-			window.open(apiUrl + '/disconnect/twitter',
-				'twitter_disconnect_window',
-				'height=570, width=520');
-		},
-
-		connectDiscord() {
-			this.discordForm = window.open(apiUrl + '/connect/discord',
-				'discord_connect_window',
-				'height=570, width=520');
-		},
-
-		disconnectDiscord() {
-			window.open(apiUrl + '/disconnect/discord',
-				'discord_disconnect_window',
-				'height=570, width=520');
-		},
-
-		connectGithub() {
-			this.githubForm = window.open(apiUrl + '/connect/github',
-				'github_connect_window',
-				'height=570, width=520');
-		},
-
-		disconnectGithub() {
-			window.open(apiUrl + '/disconnect/github',
-				'github_disconnect_window',
-				'height=570, width=520');
-		},
+defineExpose({
+	[symbols.PAGE_INFO]: {
+		title: i18n.ts.integration,
+		icon: 'fas fa-share-alt',
+		bg: 'var(--bg)',
 	}
 });
 </script>