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Nuxt.js module for generating a _headers file to enable HTTP/2 server push on Netlify
// https://www.netlify.com/blog/2017/07/18/http/2-server-push-on-netlify/
const debug = require('debug')('nuxt:netlify-http2-server-push');
const path = require('path');
const glob = require('glob');
const fs = require('fs');
module.exports = function module(moduleOptions) {
// This module is only enabled on production builds
if (this.options.dev) {
return;
}
const hook = builder => {
debug('Generating a _header file');
generateHeaderFile(this, moduleOptions);
};
this.nuxt.hook('generate:distCopied', hook);
};
const generateHeaderFile = (context, options) => {
const generateDir = path.resolve(context.options.generate.dir);
const files = glob.sync(`${generateDir}/**/*.js`);
let _headers = '/*\n';
files.forEach(file => {
_headers += ` Link: <${file.replace(generateDir, '')}>; rel=preload; as=script\n`;
debug(file.replace(generateDir, ''));
});
fs.writeFileSync(`${generateDir}/_headers`, _headers);
debug('The `_header` file generated');
};
@pi0

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pi0 commented Jan 24, 2018

Hey. This is awesome. Would you please open a PR/Issue in nuxt repo so we can make it available for everyone?

@jericopulvera

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jericopulvera commented Jul 31, 2018

How do I use this?

@jmblog

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Owner

jmblog commented Oct 21, 2018

@pi0 @jericopulvera Thanks for your comment and I'm so sorry for my late reply.

I've published this module. Please check the repo. 😌
https://github.com/jmblog/nuxt-netlify-http2-server-push

@thomasmorice

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thomasmorice commented Nov 14, 2018

Hey, this is nice thanks!
I have an issue when using it though, cannot compile my nuxt project:

I use it like this in my nuxt.config.js:
modules: [ 'nuxt-netlify-http2-server-push', { // Specify relative path to the dist directory and its content type resources: [ { path: '**/*.js', as: 'script' }, { path: '/img/thomas-morice-logo-black-v2.svg', as: 'image' }, { path: '/fonts/**.*', as: 'fonts' } ] } ],

and here is the error that I have

✖ error nuxt › netlify-http2-server-push › The resources property is required. ✖ fatal TypeError: Cannot read property 'length' of undefined

@thomasmorice

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thomasmorice commented Nov 15, 2018

Hey, this is nice thanks!
I have an issue when using it though, cannot compile my nuxt project:

I use it like this in my nuxt.config.js:
modules: [ 'nuxt-netlify-http2-server-push', { // Specify relative path to the dist directory and its content type resources: [ { path: '**/*.js', as: 'script' }, { path: '/img/thomas-morice-logo-black-v2.svg', as: 'image' }, { path: '/fonts/**.*', as: 'fonts' } ] } ],

and here is the error that I have

✖ error nuxt › netlify-http2-server-push › The resources property is required. ✖ fatal TypeError: Cannot read property 'length' of undefined

To fix the error I've mentioned before, you should embed your module and the resources options inside an array in the nuxt.config.js file.

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