generator-wxnode-boilerplate/node_boilerplate/templates/node/render/render-client.ts

Yeoman generator for wxnode boilerplate

import path from 'path';
import fs from 'fs';
import {getReadyPromise, getStaticHtml} from './render-server';

const htmlPath = path.resolve(process.cwd() , './dist/index.html');
let tplPromise: Promise<string>;
const isProd = process.env.NODE_ENV === 'production';
const isDebugServer = process.env.DEBUG === 'server';

export function getClientTpl() {
    if (isProd || isDebugServer) {
        if (!tplPromise) {
            tplPromise = new Promise((resolve, reject) => {
                fs.readFile(htmlPath, (err, data) => {
                   if (err) reject(err);
                   resolve(data + '');
                });
            });
        }
        return tplPromise;
    } else {
        return getReadyPromise().then(() => {
            return getStaticHtml();
        });
    }
}
export function clientRender(ctx) {
    return getClientTpl().then((tpl) => {
        ctx.set('Content-Type', 'text/html');
        ctx.body = tpl;
    });
}