Files
squoosh/src/static-build/utils.tsx
2021-07-27 11:30:58 +01:00

73 lines
2.3 KiB
TypeScript

/**
* Copyright 2020 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { promises as fsp } from 'fs';
import { join as joinPath } from 'path';
import render from 'preact-render-to-string';
import { VNode } from 'preact';
export function renderPage(vnode: VNode) {
return '<!DOCTYPE html>' + render(vnode);
}
interface OutputMap {
[path: string]: string;
}
export function writeFiles(toOutput: OutputMap) {
Promise.all(
Object.entries(toOutput).map(async ([path, content]) => {
const pathParts = ['.tmp', 'build', 'static', ...path.split('/')];
await fsp.mkdir(joinPath(...pathParts.slice(0, -1)), { recursive: true });
const fullPath = joinPath(...pathParts);
try {
await fsp.writeFile(fullPath, content, {
encoding: 'utf8',
});
} catch (err) {
console.error('Failed to write ' + fullPath);
throw err;
}
}),
).catch((err) => {
console.error(err);
process.exit(1);
});
}
/**
* Escape a string for insertion in a style or script tag
*/
export function escapeStyleScriptContent(str: string): string {
return str
.replace(/<!--/g, '<\\!--')
.replace(/<script/g, '<\\script')
.replace(/<\/script/g, '<\\/script')
.replace(/<style/g, '<\\style')
.replace(/<\/style/g, '<\\/style');
}
/**
* Origin of the site, depending on the environment.
*/
export const siteOrigin = (() => {
if (process.env.DEV_PORT) return `http://localhost:${process.env.DEV_PORT}`;
// https://docs.netlify.com/configure-builds/environment-variables/#build-metadata
if (process.env.CONTEXT === 'production') return 'https://squoosh.app';
if (process.env.DEPLOY_PRIME_URL) return process.env.DEPLOY_PRIME_URL;
console.warn(
'Unable to determine site origin, defaulting to https://squoosh.app',
);
return 'https://squoosh.app';
})();