Files
sapper/src/api/build.ts
2018-09-30 12:54:50 -04:00

111 lines
3.1 KiB
TypeScript

import * as fs from 'fs';
import * as path from 'path';
import mkdirp from 'mkdirp';
import rimraf from 'rimraf';
import { EventEmitter } from 'events';
import minify_html from './utils/minify_html';
import { create_compilers, create_main_manifests, create_manifest_data, create_serviceworker_manifest } from '../core';
import * as events from './interfaces';
import { copy_shimport } from './utils/copy_shimport';
import { Dirs } from '../interfaces';
import read_template from '../core/read_template';
type Opts = {
legacy: boolean;
bundler: 'rollup' | 'webpack';
};
export function build(opts: Opts, dirs: Dirs) {
const emitter = new EventEmitter();
execute(emitter, opts, dirs).then(
() => {
emitter.emit('done', <events.DoneEvent>{}); // TODO do we need to pass back any info?
},
error => {
emitter.emit('error', <events.ErrorEvent>{
error
});
}
);
return emitter;
}
async function execute(emitter: EventEmitter, opts: Opts, dirs: Dirs) {
rimraf.sync(path.join(dirs.dest, '**/*'));
mkdirp.sync(`${dirs.dest}/client`);
copy_shimport(dirs.dest);
// minify src/template.html
// TODO compile this to a function? could be quicker than str.replace(...).replace(...).replace(...)
const template = read_template();
// remove this in a future version
if (template.indexOf('%sapper.base%') === -1) {
const error = new Error(`As of Sapper v0.10, your template.html file must include %sapper.base% in the <head>`);
error.code = `missing-sapper-base`;
throw error;
}
fs.writeFileSync(`${dirs.dest}/template.html`, minify_html(template));
const manifest_data = create_manifest_data();
// create src/manifest/client.js and src/manifest/server.js
create_main_manifests({ bundler: opts.bundler, manifest_data });
const { client, server, serviceworker } = await create_compilers(opts.bundler);
const client_result = await client.compile();
emitter.emit('build', <events.BuildEvent>{
type: 'client',
// TODO duration/warnings
result: client_result
});
const build_info = client_result.to_json(manifest_data, dirs);
if (opts.legacy) {
process.env.SAPPER_LEGACY_BUILD = 'true';
const { client } = await create_compilers(opts.bundler);
const client_result = await client.compile();
emitter.emit('build', <events.BuildEvent>{
type: 'client (legacy)',
// TODO duration/warnings
result: client_result
});
client_result.to_json(manifest_data, dirs);
build_info.legacy_assets = client_result.assets;
delete process.env.SAPPER_LEGACY_BUILD;
}
fs.writeFileSync(path.join(dirs.dest, 'build.json'), JSON.stringify(build_info));
const server_stats = await server.compile();
emitter.emit('build', <events.BuildEvent>{
type: 'server',
// TODO duration/warnings
result: server_stats
});
let serviceworker_stats;
if (serviceworker) {
create_serviceworker_manifest({
manifest_data,
client_files: client_result.chunks.map(chunk => `client/${chunk.file}`)
});
serviceworker_stats = await serviceworker.compile();
emitter.emit('build', <events.BuildEvent>{
type: 'serviceworker',
// TODO duration/warnings
result: serviceworker_stats
});
}
}