Lucien Cartier-Tilet
1678100198
This commit adds the possibility to provide to the caching component data already known and to be cached immediately without the need of a callback function. This allows caching individual repositories without having to rely on additional API calls. However, repos can also be retrieved individually from the GitHub API based on their full name.
64 lines
1.4 KiB
Vue
64 lines
1.4 KiB
Vue
<template>
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<slot />
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</template>
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<script setup lang="ts">
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import { Observable, of } from 'rxjs';
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const props = defineProps({
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name: {
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required: true,
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type: String,
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},
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callback: {
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required: true,
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type: Function,
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},
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lifetime: {
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default: 1000 * 60 * 60, // one hour
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required: false,
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type: Number,
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},
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data: {
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default: null,
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type: Object,
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},
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});
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const emits = defineEmits(['cached']);
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const isDataOutdated = (name: string): boolean => {
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const lastUpdated: number = +localStorage.getItem(name + '-timestamp');
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const elapsedTime: number = Date.now() - lastUpdated;
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return elapsedTime > props.lifetime;
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};
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const storeInCache = (
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callback: Function,
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data: any,
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name: string
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): Observable<any> => {
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let response: Observable<any> = data ? of(data) : callback();
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response.subscribe({
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next: (response) => {
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localStorage.setItem(name, JSON.stringify(response));
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localStorage.setItem(name + '-timestamp', `${Date.now()}`);
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},
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});
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return response;
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};
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if (isDataOutdated(props.name)) {
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emits('cached', storeInCache(props.callback, props.data, props.name));
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} else {
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let data = localStorage.getItem(props.name);
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try {
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emits('cached', of(JSON.parse(data)));
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} catch (err) {
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console.error(`Could not parse data found in cache: ${err}`);
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emits('cached', storeInCache(props.callback, props.data, props.name));
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}
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}
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</script>
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