Files
sapper/src/core/create_manifests.ts
2019-02-08 11:34:33 -05:00

237 lines
7.3 KiB
TypeScript

import * as fs from 'fs';
import * as path from 'path';
import { posixify, stringify, walk, write_if_changed } from '../utils';
import { Page, PageComponent, ManifestData } from '../interfaces';
export function create_main_manifests({
bundler,
manifest_data,
dev_port,
dev,
cwd,
src,
dest,
routes,
output
}: {
bundler: string,
manifest_data: ManifestData;
dev_port?: number;
dev: boolean;
cwd: string;
src: string;
dest: string;
routes: string;
output: string
}) {
if (!fs.existsSync(output)) fs.mkdirSync(output);
const path_to_routes = path.relative(`${output}/internal`, routes);
const client_manifest = generate_client_manifest(manifest_data, path_to_routes, bundler, dev, dev_port);
const server_manifest = generate_server_manifest(manifest_data, path_to_routes, cwd, src, dest, dev);
write_if_changed(`${output}/internal/manifest-client.mjs`, client_manifest);
write_if_changed(`${output}/internal/manifest-server.mjs`, server_manifest);
}
export function create_serviceworker_manifest({ manifest_data, output, client_files, static_files }: {
manifest_data: ManifestData;
output: string;
client_files: string[];
static_files: string;
}) {
let files: string[] = ['/service-worker-index.html'];
if (fs.existsSync(static_files)) {
files = files.concat(walk(static_files));
} else {
// TODO remove in a future version
if (fs.existsSync('assets')) {
throw new Error(`As of Sapper 0.21, the assets/ directory should become static/`);
}
}
let code = `
// This file is generated by Sapper — do not edit it!
export const timestamp = ${Date.now()};
export const files = [\n\t${files.map((x: string) => stringify(x)).join(',\n\t')}\n];
export { files as assets }; // legacy
export const shell = [\n\t${client_files.map((x: string) => stringify(x)).join(',\n\t')}\n];
export const routes = [\n\t${manifest_data.pages.map((r: Page) => `{ pattern: ${r.pattern} }`).join(',\n\t')}\n];
`.replace(/^\t\t/gm, '').trim();
write_if_changed(`${output}/service-worker.js`, code);
}
function generate_client_manifest(
manifest_data: ManifestData,
path_to_routes: string,
bundler: string,
dev: boolean,
dev_port?: number
) {
const page_ids = new Set(manifest_data.pages.map(page =>
page.pattern.toString()));
const server_routes_to_ignore = manifest_data.server_routes.filter(route =>
!page_ids.has(route.pattern.toString()));
const component_indexes: Record<string, number> = {};
const components = `[
${manifest_data.components.map((component, i) => {
const annotation = bundler === 'webpack'
? `/* webpackChunkName: "${component.name}" */ `
: '';
const source = get_file(path_to_routes, component);
component_indexes[component.name] = i;
return `{
js: () => import(${annotation}${stringify(source)}),
css: "__SAPPER_CSS_PLACEHOLDER:${stringify(component.file, false)}__"
}`;
}).join(',\n\t\t\t\t')}
]`.replace(/^\t/gm, '');
let needs_decode = false;
let routes = `[
${manifest_data.pages.map(page => `{
// ${page.parts[page.parts.length - 1].component.file}
pattern: ${page.pattern},
parts: [
${page.parts.map(part => {
if (part === null) return 'null';
if (part.params.length > 0) {
needs_decode = true;
const props = part.params.map((param, i) => `${param}: d(match[${i + 1}])`);
return `{ i: ${component_indexes[part.component.name]}, params: match => ({ ${props.join(', ')} }) }`;
}
return `{ i: ${component_indexes[part.component.name]} }`;
}).join(',\n\t\t\t\t\t\t')}
]
}`).join(',\n\n\t\t\t\t')}
]`.replace(/^\t/gm, '');
if (needs_decode) {
routes = `(d => ${routes})(decodeURIComponent)`
}
return `
// This file is generated by Sapper — do not edit it!
export { default as Root } from '${stringify(get_file(path_to_routes, manifest_data.root), false)}';
export { preload as root_preload } from '${manifest_data.root.has_preload ? stringify(get_file(path_to_routes, manifest_data.root), false) : './shared'}';
export { default as ErrorComponent } from '${stringify(get_file(path_to_routes, manifest_data.error), false)}';
export const ignore = [${server_routes_to_ignore.map(route => route.pattern).join(', ')}];
export const components = ${components};
export const routes = ${routes};
${dev ? `if (typeof window !== 'undefined') {
import(${stringify(posixify(path.resolve(__dirname, '../sapper-dev-client.js')))}).then(client => {
client.connect(${dev_port});
});
}` : ''}
`.replace(/^\t{2}/gm, '').trim();
}
function generate_server_manifest(
manifest_data: ManifestData,
path_to_routes: string,
cwd: string,
src: string,
dest: string,
dev: boolean
) {
const imports = [].concat(
manifest_data.server_routes.map((route, i) =>
`import * as route_${i} from ${stringify(posixify(`${path_to_routes}/${route.file}`))};`),
manifest_data.components.map((component, i) =>
`import component_${i}${component.has_preload ? `, { preload as preload_${i} }` : ''} from ${stringify(get_file(path_to_routes, component))};`),
`import root${manifest_data.root.has_preload ? `, { preload as root_preload }` : ''} from ${stringify(get_file(path_to_routes, manifest_data.root))};`,
`import error from ${stringify(get_file(path_to_routes, manifest_data.error))};`
);
const component_lookup: Record<string, number> = {};
manifest_data.components.forEach((component, i) => {
component_lookup[component.name] = i;
});
let code = `
`.replace(/^\t\t/gm, '').trim();
const build_dir = posixify(path.relative(cwd, dest));
const src_dir = posixify(path.relative(cwd, src));
return `
// This file is generated by Sapper — do not edit it!
${imports.join('\n')}
const d = decodeURIComponent;
export const manifest = {
server_routes: [
${manifest_data.server_routes.map((route, i) => `{
// ${route.file}
pattern: ${route.pattern},
handlers: route_${i},
params: ${route.params.length > 0
? `match => ({ ${route.params.map((param, i) => `${param}: d(match[${i + 1}])`).join(', ')} })`
: `() => ({})`}
}`).join(',\n\n\t\t\t\t')}
],
pages: [
${manifest_data.pages.map(page => `{
// ${page.parts[page.parts.length - 1].component.file}
pattern: ${page.pattern},
parts: [
${page.parts.map(part => {
if (part === null) return 'null';
const props = [
`name: "${part.component.name}"`,
`file: ${stringify(part.component.file)}`,
`component: component_${component_lookup[part.component.name]}`,
part.component.has_preload && `preload: preload_${component_lookup[part.component.name]}`
].filter(Boolean);
if (part.params.length > 0) {
const params = part.params.map((param, i) => `${param}: d(match[${i + 1}])`);
props.push(`params: match => ({ ${params.join(', ')} })`);
}
return `{ ${props.join(', ')} }`;
}).join(',\n\t\t\t\t\t\t')}
]
}`).join(',\n\n\t\t\t\t')}
],
root,
root_preload${manifest_data.root.has_preload ? '' : `: () => {}`},
error
};
export const build_dir = ${JSON.stringify(build_dir)};
export const src_dir = ${JSON.stringify(src_dir)};
export const dev = ${dev ? 'true' : 'false'};
`.replace(/^\t{2}/gm, '').trim();
}
function get_file(path_to_routes: string, component: PageComponent) {
if (component.default) return `./${component.type}.svelte`;
return posixify(`${path_to_routes}/${component.file}`);
}