dashboard/shell/mixins/fetch.server.js

74 lines
2.3 KiB
JavaScript

import Vue from 'vue';
import {
hasFetch, normalizeError, addLifecycleHook, purifyData, createGetCounter
} from '../../utils/nuxt';
async function serverPrefetch() {
if (!this._fetchOnServer) {
return;
}
// Call and await on $fetch
try {
await this.$options.fetch.call(this);
} catch (err) {
if (process.dev) {
console.error('Error in fetch():', err); // eslint-disable-line no-console
}
this.$fetchState.error = normalizeError(err);
}
this.$fetchState.pending = false;
// Define an ssrKey for hydration
this._fetchKey = this._fetchKey || this.$ssrContext.fetchCounters['']++;
// Add data-fetch-key on parent element of Component
const attrs = this.$vnode.data.attrs = this.$vnode.data.attrs || {};
attrs['data-fetch-key'] = this._fetchKey;
// Add to ssrContext for window.__NUXT__.fetch
if (this.$ssrContext.nuxt.fetch[this._fetchKey] !== undefined) {
console.warn(`Duplicate fetch key detected (${ this._fetchKey }). This may lead to unexpected results.`); // eslint-disable-line no-console
}
this.$ssrContext.nuxt.fetch[this._fetchKey] =
this.$fetchState.error ? { _error: this.$fetchState.error } : purifyData(this._data);
}
export default {
created() {
if (!hasFetch(this)) {
return;
}
if (typeof this.$options.fetchOnServer === 'function') {
this._fetchOnServer = this.$options.fetchOnServer.call(this) !== false;
} else {
this._fetchOnServer = this.$options.fetchOnServer !== false;
}
const defaultKey = this.$options._scopeId || this.$options.name || '';
const getCounter = createGetCounter(this.$ssrContext.fetchCounters, defaultKey);
if (typeof this.$options.fetchKey === 'function') {
this._fetchKey = this.$options.fetchKey.call(this, getCounter);
} else {
const key = typeof this.$options.fetchKey === 'string' ? this.$options.fetchKey : defaultKey;
this._fetchKey = key ? `${ key }:${ getCounter(key) }` : String(getCounter(key));
}
// Added for remove vue undefined warning while ssr
this.$fetch = () => {}; // issue #8043
Vue.util.defineReactive(this, '$fetchState', {
pending: true,
error: null,
timestamp: Date.now()
});
addLifecycleHook(this, 'serverPrefetch', serverPrefetch);
}
};