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v0.1.4 ... main

50 changed files with 2851 additions and 4937 deletions

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@ -6,3 +6,4 @@ indent_size = 4
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
end_of_line = lf

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@ -1 +0,0 @@
node_modules

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@ -1,23 +0,0 @@
{
"root": true,
"parser": "@typescript-eslint/parser",
"plugins": ["@typescript-eslint", "prettier"],
"extends": [
"eslint:recommended",
"plugin:@typescript-eslint/eslint-recommended",
"plugin:@typescript-eslint/recommended",
"plugin:react/recommended",
"plugin:prettier/recommended"
],
"settings": {
"react": {
"pragma": "createElement"
}
},
"rules": {
"@typescript-eslint/no-namespace": "off",
"@typescript-eslint/ban-types": "off",
"react/prop-types": "off",
"react/jsx-key": "off"
}
}

38
.forgejo/workflows/ci.yml Normal file
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@ -0,0 +1,38 @@
name: CI
on:
push:
branches: [main]
pull_request:
branches: [main]
workflow_dispatch:
jobs:
check:
runs-on: node-24
steps:
- uses: https://code.forgejo.org/actions/checkout@v4
- name: Cache npm dependencies
uses: https://code.forgejo.org/actions/cache@v4
with:
path: ~/.npm
key: node-24-${{ hashFiles('**/package-lock.json') }}
- run: npm ci
- run: npm run check
build:
needs: check
strategy:
matrix:
node: [22, 24]
runs-on: node-${{ matrix.node }}
steps:
- uses: https://code.forgejo.org/actions/checkout@v4
- name: Cache npm dependencies
uses: https://code.forgejo.org/actions/cache@v4
with:
path: ~/.npm
key: node-${{ matrix.node }}-${{ hashFiles('**/package-lock.json') }}
- run: npm ci
- run: npm run build
- run: npm test

2
.gitattributes vendored Normal file
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@ -0,0 +1,2 @@
# Ensure that git uses lf line-endings for text files.
* text=auto eol=lf

2
.nvmrc
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@ -1 +1 @@
lts/erbium
18

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@ -1,10 +0,0 @@
language: node_js
os:
- linux
- osx
- windows
node_js:
- node
- lts/*
- 12
- 10

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@ -1,5 +1,21 @@
# Changelog
## [0.2.0](https://github.com/websnacksjs/websnacks/releases/tag/v0.2.0) (2021-02-28)
### Features
- add dangerouslySetInnerHTML attr ([#15](https://github.com/websnacksjs/websnacks/issues/15), [3f356dd](https://github.com/websnacksjs/websnacks/commit/3f356ddfeeb38e8a60c32d26c3e9e8715d0246c3))
### Misc
- **BREAKING CHANGE** update node-watch optional dep to major v0.7.1
## [0.1.5](https://github.com/websnacksjs/websnacks/releases/tag/v0.1.5) (2020-06-14)
### Bugfixes
- stack size exceed error on purging module cache ([32eee9b](https://github.com/websnacksjs/websnacks/commit/32eee9b2e04475452905e3478f0fa2a21ad3ccf4))
## [0.1.4](https://github.com/websnacksjs/websnacks/releases/tag/v0.1.4) (2020-06-10)
### Bugfixes

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@ -1,20 +1,9 @@
# websnacks: Minimal Dependency Server-Side JSX for Static Sites
<div>
[![NPM release](https://img.shields.io/npm/v/@websnacksjs/websnacks?style=flat-square)](https://www.npmjs.com/package/@websnacksjs/websnacks "NPM release")
[![NPM](https://img.shields.io/npm/l/@websnacksjs/websnacks?style=flat-square)](https://www.mozilla.org/en-US/MPL/2.0/FAQ/ "License info")
[![Build status](https://img.shields.io/travis/com/websnacksjs/websnacks/master?style=flat-square)](https://travis-ci.com/websnacksjs/websnacks "Build status for master branch")
</div>
<div>
[![Dependency status](https://img.shields.io/david/websnacksjs/websnacks?style=flat-square)](https://david-dm.org/websnacksjs/websnacks "Dependency status")
[![Optional dependency status](https://img.shields.io/david/optional/websnacksjs/websnacks?style=flat-square)](https://david-dm.org/websnacksjs/websnacks?type=optional "Optional dependency status")
[![Dev dependency status](https://img.shields.io/david/dev/websnacksjs/websnacks?style=flat-square)](https://david-dm.org/websnacksjs/websnacks?type=dev "Dev dependency status")
</div>
[![NPM release](https://badges.git.theinnerlimit.ch/npm/v/@websnacksjs/websnacks?style=flat-square)](https://www.npmjs.com/package/@websnacksjs/websnacks "NPM release")
[![NPM](https://badges.git.theinnerlimit.ch/npm/l/@websnacksjs/websnacks?style=flat-square)](https://www.mozilla.org/en-US/MPL/2.0/FAQ/ "License info")
[![Build status](https://git.theinnerlimit.ch/websnacksjs/websnacks/badges/workflows/ci.yml/badge.svg?event=push&label=ci&style=flat-square)](https://git.theinnerlimit.ch/websnacksjs/websnacks/actions?workflow=ci.yml "CI status for main branch")
![Dependency status](https://badges.git.theinnerlimit.ch/librariesio/release/npm/%40websnacksjs%2Fwebsnacks?style=flat-square)
Develop fully static websites using typesafe JSX templates on the server without the complex build system and dependency management of server-side rendered React frameworks.

41
biome.json Normal file
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@ -0,0 +1,41 @@
{
"$schema": "https://biomejs.dev/schemas/2.4.14/schema.json",
"files": {
"includes": ["**", "!dist", "!node_modules", "!.temp"]
},
"assist": {
"enabled": true,
"actions": {
"source": {
"organizeImports": "on"
}
}
},
"formatter": {
"enabled": true
},
"linter": {
"enabled": true,
"rules": {
"recommended": true,
"style": {
"useShorthandFunctionType": "off"
},
"correctness": {
"useJsxKeyInIterable": "off"
}
}
},
"overrides": [
{
"includes": ["test/**"],
"linter": {
"rules": {
"a11y": {
"useHtmlLang": "off"
}
}
}
}
]
}

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@ -1,5 +1,9 @@
import { stylesheet } from "typestyle";
import { Component, createElement } from "websnacks";
import {
type Component,
// biome-ignore lint/correctness/noUnusedImports: required to support JSX
createElement,
} from "websnacks";
const styles = stylesheet({
header: {

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@ -1,6 +1,10 @@
import { normalize } from "csstips";
import { stylesheet } from "typestyle";
import { Component, createElement } from "websnacks";
import {
type Component,
// biome-ignore lint/correctness/noUnusedImports: required to support JSX
createElement,
} from "websnacks";
import { stylesheetPath } from "../config";
import { Header } from "./header";
@ -46,10 +50,7 @@ export const Layout: Component<LayoutProps> = ({ children, headline }) => (
{headline && ` | ${headline}`}
</title>
<meta name="description" content="" />
<meta
name="viewport"
content="width=device-width, initial-scale=1"
/>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="stylesheet" href={stylesheetPath} />
</head>

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@ -1,5 +1,9 @@
import { stylesheet } from "typestyle";
import { Component, createElement } from "websnacks";
import {
type Component,
// biome-ignore lint/correctness/noUnusedImports: required to support JSX
createElement,
} from "websnacks";
const styles = stylesheet({
navbar: {

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@ -1,5 +1,6 @@
{
"name": "websnacks-example-personal-site",
"type": "module",
"scripts": {
"build": "websnacks -r ts-node/register build",
"dev": "websnacks -r ts-node/register dev"

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@ -1,22 +1,25 @@
import { Component, createElement } from "websnacks";
import {
type Component,
// biome-ignore lint/correctness/noUnusedImports: required to support JSX
createElement,
} from "websnacks";
import { Layout } from "../components/layout";
export const page: Component = () => (
<Layout>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur
dapibus condimentum mauris et egestas. Quisque orci nulla, consequat
at erat laoreet, malesuada sodales nisi. Sed in lorem semper lorem
placerat fermentum a id arcu. Curabitur non aliquam tellus, sed
auctor lacus. Nunc sit amet lectus ultrices, sodales nisl sit amet,
luctus nisl. Nunc mollis imperdiet quam, eget sollicitudin leo
tincidunt vel. Duis felis dui, imperdiet aliquam bibendum sed,
auctor et dolor. Vivamus odio ipsum, venenatis in felis sed, aliquam
dictum turpis. Pellentesque pellentesque consequat neque, id
imperdiet diam molestie nec. Nullam ut vestibulum est. Pellentesque
orci urna, porta vel porta quis, semper ut enim. Donec sit amet urna
arcu. Nam tincidunt fermentum ligula a pharetra.{" "}
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur dapibus
condimentum mauris et egestas. Quisque orci nulla, consequat at erat
laoreet, malesuada sodales nisi. Sed in lorem semper lorem placerat
fermentum a id arcu. Curabitur non aliquam tellus, sed auctor lacus. Nunc
sit amet lectus ultrices, sodales nisl sit amet, luctus nisl. Nunc mollis
imperdiet quam, eget sollicitudin leo tincidunt vel. Duis felis dui,
imperdiet aliquam bibendum sed, auctor et dolor. Vivamus odio ipsum,
venenatis in felis sed, aliquam dictum turpis. Pellentesque pellentesque
consequat neque, id imperdiet diam molestie nec. Nullam ut vestibulum est.
Pellentesque orci urna, porta vel porta quis, semper ut enim. Donec sit
amet urna arcu. Nam tincidunt fermentum ligula a pharetra.{" "}
</p>
</Layout>
);

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@ -1,5 +1,9 @@
import { stylesheet } from "typestyle";
import { Component, createElement } from "websnacks";
import {
type Component,
// biome-ignore lint/correctness/noUnusedImports: required to support JSX
createElement,
} from "websnacks";
import { Layout } from "../components/layout";

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@ -1,10 +1,10 @@
import { promises as fs } from "fs";
import * as path from "path";
import { Config } from "websnacks";
import { promises as fs } from "node:fs";
import * as path from "node:path";
import type { Config } from "websnacks";
import { stylesheetPath } from "./config";
const config: Config = {
const _config: Config = {
// Watch additional files and folders for changes when the dev server is
// running.
watch: ["components/", "config.ts"],
@ -23,4 +23,3 @@ const config: Config = {
},
},
};
export = config;

2017
package-lock.json generated

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@ -1,14 +1,15 @@
{
"name": "@websnacksjs/websnacks",
"description": "Minimal dependency server-side JSX for static sites",
"version": "0.1.4",
"version": "0.2.0",
"author": {
"name": "M. George Hansen",
"email": "mgeorge@technopolitica.com"
},
"license": "MPL-2.0",
"repository": "github:websnacksjs/websnacks",
"engines": {
"node": ">=10"
"node": ">=18"
},
"main": "dist/index.js",
"types": "types.d.ts",
@ -23,6 +24,7 @@
],
"scripts": {
"build": "tsc",
"check": "biome check .",
"clean": "ts-node scripts/clean.ts",
"prepublishOnly": "npm run reset && npm test",
"pretest": "npm run build",
@ -34,20 +36,14 @@
"test:e2e": "cd test && ts-node --script-mode ./run-e2e.ts"
},
"devDependencies": {
"@types/node": "~10",
"@types/ws": "^7.2.4",
"@typescript-eslint/eslint-plugin": "^3.0.2",
"@typescript-eslint/parser": "^3.0.2",
"eslint": "^7.1.0",
"eslint-config-prettier": "^6.11.0",
"eslint-plugin-prettier": "^3.1.3",
"eslint-plugin-react": "^7.20.0",
"prettier": "^2.0.5",
"ts-node": "^8.10.2",
"typescript": "~3.9.3"
"@biomejs/biome": "2.4.14",
"@types/node": "~18",
"@types/ws": "^8.18.1",
"ts-node": "^10.9.2",
"typescript": "~4.9.5"
},
"optionalDependencies": {
"node-watch": "^0.6.4",
"ws": "^7.3.0"
"node-watch": "^0.7.4",
"ws": "^8.20.0"
}
}

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@ -3,8 +3,8 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import * as fs from "fs";
import * as path from "path";
import * as fs from "node:fs";
import * as path from "node:path";
const ROOT_DIR = path.resolve(__dirname, "..");
const DIST_DIR = path.join(ROOT_DIR, "dist");

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@ -3,12 +3,12 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { promises as fs } from "fs";
import * as path from "path";
import { promises as fs } from "node:fs";
import * as path from "node:path";
import { Config, ConfigPaths } from "./config";
import type { Config, ConfigPaths } from "./config";
import { renderPage } from "./render";
import { purgeModuleAndDepsFromCache, walkDir } from "./utils";
import { decacheModule, walkDir } from "./utils";
const renderPagesToHtml = async ({
pagesDir,
@ -22,21 +22,19 @@ const renderPagesToHtml = async ({
}
// Ensure that we don't cache page modules when running in dev server.
purgeModuleAndDepsFromCache(srcPath);
decacheModule(srcPath);
// eslint-disable-next-line @typescript-eslint/no-var-requires
const pageSrc = require(srcPath);
if (!("page" in pageSrc)) {
throw new Error(
`page source at ${srcPath} does not export a "page" variable`
`page source at ${srcPath} does not export a "page" variable`,
);
}
let compiledHtml;
let compiledHtml: string;
try {
compiledHtml = renderPage(pageSrc.page());
} catch (error) {
throw new Error(
`failed to compile ${srcPath}: ${error.stack ?? error}`
);
throw new Error(`failed to compile ${srcPath}: ${error}`);
}
const relPath = path.relative(pagesDir, path.dirname(srcPath));
let baseName = path.basename(srcPath, ".tsx");
@ -48,7 +46,7 @@ const renderPagesToHtml = async ({
(async () => {
await fs.mkdir(path.dirname(destPath), { recursive: true });
await fs.writeFile(destPath, compiledHtml);
})()
})(),
);
}
await Promise.all(deferred);
@ -60,7 +58,7 @@ const copyStaticAssets = async ({
}: ConfigPaths): Promise<void> => {
try {
await fs.access(staticAssetsDir);
} catch (error) {
} catch (_error) {
// Static assets folder doesn't exist, so no-op.
return;
}
@ -73,7 +71,7 @@ const copyStaticAssets = async ({
(async () => {
await fs.mkdir(path.dirname(destPath), { recursive: true });
await fs.copyFile(assetPath, destPath);
})()
})(),
);
}
await Promise.all(deferred);

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@ -5,7 +5,7 @@
import { renderSite } from "../../build";
import { loadConfig } from "../../config";
import { Command, UsageError } from "../types";
import { type Command, UsageError } from "../types";
const helpText = `\
Usage: websnacks build [ROOT_DIR]

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@ -3,14 +3,14 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { existsSync, promises as fs, watch } from "fs";
import * as http from "http";
import * as net from "net";
import * as path from "path";
import { existsSync, promises as fs, watch } from "node:fs";
import * as http from "node:http";
import * as path from "node:path";
import { renderSite } from "../../build";
import { Config, loadConfig } from "../../config";
import { Command, UsageError } from "../types";
import { type Config, loadConfig } from "../../config";
import { isErrnoException } from "../../utils/error";
import { type Command, UsageError } from "../types";
const DEFAULT_SERVER_PORT = 8080;
@ -26,11 +26,11 @@ const injectLiveReloadScript = (htmlContents: string, port: number): string =>
};
</script>
</html>
`
`,
);
const guessMimeType = (ext: string): string => {
let mimeType;
let mimeType: string;
switch (ext) {
case ".apng":
mimeType = "image/apng";
@ -119,14 +119,16 @@ const guessMimeType = (ext: string): string => {
return mimeType;
};
const portFromServer = (server: Pick<net.Server, "address">): number => {
const addrInfo = server.address();
if (addrInfo == null) {
throw new Error(`server address is null (this should never happen!)`);
}
if (typeof addrInfo === "string") {
const portFromServer = (
addrInfo: { port: number } | object | string | undefined | null,
): number => {
if (
typeof addrInfo !== "object" ||
addrInfo == null ||
!("port" in addrInfo)
) {
throw new Error(
`server address is a string (this should never happen!)`
"server address does not have a valid port (this should never happen!)",
);
}
return addrInfo.port;
@ -147,10 +149,10 @@ const startHttpServer = async (publicDir: string): Promise<http.Server> => {
reqExt = ".html";
}
let contents;
let contents: Buffer | string;
try {
contents = await fs.readFile(path.join(publicDir, reqPath));
} catch (error) {
} catch (_error) {
console.error(`unable to load file ${reqPath}`);
res.writeHead(404);
res.end();
@ -158,7 +160,7 @@ const startHttpServer = async (publicDir: string): Promise<http.Server> => {
}
const mimeType = guessMimeType(reqExt);
if (mimeType === "text/html") {
const port = portFromServer(req.socket);
const port = portFromServer(req.socket.address());
contents = injectLiveReloadScript(contents.toString("utf8"), port);
}
res.writeHead(200, {
@ -166,7 +168,7 @@ const startHttpServer = async (publicDir: string): Promise<http.Server> => {
});
res.end(contents);
});
const listen = async (port?: number): Promise<string> =>
const listen = async (port?: number): Promise<void> =>
new Promise((resolve, reject) => {
httpServer
.once("error", (error) => reject(error))
@ -176,25 +178,33 @@ const startHttpServer = async (publicDir: string): Promise<http.Server> => {
try {
await listen(DEFAULT_SERVER_PORT);
} catch (error) {
if (error.code !== "EADDRINUSE") {
if (
error instanceof Error &&
isErrnoException(error) &&
error.code !== "EADDRINUSE"
) {
throw error;
}
await listen();
}
const port = portFromServer(httpServer);
const port = portFromServer(httpServer.address());
console.log(`Listening at http://127.0.0.1:${port}`);
return httpServer;
};
const startWebSocketServer = async (
httpServer: http.Server
httpServer: http.Server,
): Promise<import("ws").Server | undefined> => {
// Attempt to load the ws module, aborting if it isn't available.
let ws;
let ws: typeof import("ws");
try {
ws = await import("ws");
} catch (error) {
if (error.code !== "MODULE_NOT_FOUND") {
if (
error instanceof Error &&
isErrnoException(error) &&
error.code !== "MODULE_NOT_FOUND"
) {
throw error;
}
console.warn(`'ws' module not found, live-reloading will be disabled`);
@ -209,7 +219,7 @@ const startWebSocketServer = async (
const watchFolders = async (
folders: string[],
listener: (eventType: "update" | "remove", fileName: string) => void
listener: (eventType?: "update" | "remove", fileName?: string) => void,
): Promise<void> => {
// Try to load node-watch, falling back to fs watch if node-watch isn't
// available.
@ -218,19 +228,23 @@ const watchFolders = async (
nodeWatch.default(folders, { recursive: true }, listener);
return;
} catch (error) {
if (error.code !== "MODULE_NOT_FOUND") {
if (
error instanceof Error &&
isErrnoException(error) &&
error.code !== "MODULE_NOT_FOUND"
) {
throw error;
}
console.warn(
`'node-watch' module not found, falling back to fs.watch (may ` +
`result in file watch issues on some OSes)`
"result in file watch issues on some OSes)",
);
}
// NOTE: fs.watch has significant cross-platform issues, including
// triggering duplicate file events on some systems.
for (const folder of folders) {
watch(folder, { recursive: true }, (_, fileName) => {
listener("update", fileName);
listener("update", fileName || undefined);
});
}
};
@ -279,13 +293,15 @@ const devCommand: Command = {
const httpServer = await startHttpServer(outDir);
const wsServer = await startWebSocketServer(httpServer);
const watchedFolders = config.watch.filter((filePath) =>
existsSync(filePath)
existsSync(filePath),
);
await watchFolders(watchedFolders, async (event, filePath) => {
console.log(`${filePath}:${event} triggering rebuild...`);
const filePathForLog = filePath || "<UNKNOWN_FILE>";
const eventForLog = event || "<UNKNOWN_EVENT>";
console.log(`${filePathForLog}:${eventForLog} triggering rebuild...`);
await rebuild();
if (wsServer != null) {
console.log(`rebuild finished, reloading browsers...`);
console.log("rebuild finished, reloading browsers...");
for (const ws of wsServer.clients) {
ws.send("reload");
}

View file

@ -3,7 +3,7 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { Command, UsageError } from "./types";
import { type Command, UsageError } from "./types";
const globalHelpText = `\
Usage: websnacks [...globalOptions] <command>
@ -24,7 +24,7 @@ interface Options {
}
const parseArgs = (
args: string[]
args: string[],
): { options: Options; commandName?: string; commandArgs: string[] } => {
const options: Options = {
showHelp: false,
@ -45,8 +45,8 @@ const parseArgs = (
const moduleName = args.shift();
if (moduleName == null) {
throw new UsageError(
`-r requires a valid module name`,
globalHelpText
"-r requires a valid module name",
globalHelpText,
);
}
options.require.push(moduleName);
@ -67,7 +67,7 @@ const _main = async (args: string[]): Promise<void> => {
return;
}
if (commandName == null) {
throw new UsageError(`must specify a valid command`, globalHelpText);
throw new UsageError("must specify a valid command", globalHelpText);
}
for (const moduleName of options.require) {
await import(moduleName);
@ -82,10 +82,7 @@ const _main = async (args: string[]): Promise<void> => {
command = await import("./commands/dev");
break;
default:
throw new UsageError(
`unknown command ${commandName}`,
globalHelpText
);
throw new UsageError(`unknown command ${commandName}`, globalHelpText);
}
// NOTE: Should this just delegate to the command?
for (const arg of commandArgs) {

View file

@ -37,15 +37,15 @@ export type Element =
/**
* Custom HTMLElement factory that can be parameterized by props.
*/
export interface Component<P extends object = {}> {
export interface Component<P extends object = Record<string, unknown>> {
(
props: P & {
children?: Element[];
}
},
): HTMLElement;
}
export const Fragment: Component<{}> = ({ children }) => ({
export const Fragment: Component = ({ children }) => ({
tag: "#fragment",
attributes: {},
children: children || [],

View file

@ -3,9 +3,9 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import * as path from "path";
import * as path from "node:path";
import { purgeModuleAndDepsFromCache } from "./utils";
import { decacheModule } from "./utils";
/**
* Paths used during configuration.
@ -58,15 +58,15 @@ const noop = () => {};
* @return Fully-realized configuration.
*/
export const loadConfig = async (rootDir: string): Promise<Config> => {
let configPath;
let configPath = "";
let userConfig: UserConfig = {};
// Attempt to load a websnacks.ts/js file in rootDir.
try {
configPath = require.resolve(path.resolve(rootDir, "websnacks"));
purgeModuleAndDepsFromCache(configPath);
decacheModule(configPath);
// TODO: validate user config.
userConfig = await import(configPath);
} catch (error) {
} catch (_error) {
// Use default config;
}
const outDir = path.join(rootDir, "public");
@ -74,7 +74,7 @@ export const loadConfig = async (rootDir: string): Promise<Config> => {
const staticAssetsDir = path.join(rootDir, "static");
const watch = [pagesDir, staticAssetsDir];
if (configPath != null) {
if (configPath) {
watch.push(path.relative(rootDir, configPath));
}
if (userConfig.watch != null) {
@ -97,3 +97,5 @@ export const loadConfig = async (rootDir: string): Promise<Config> => {
watch,
};
};
export const defineConfig = (userConfig: UserConfig): UserConfig => userConfig;

View file

@ -3,8 +3,8 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { Component, Element, HTMLElement } from "./component";
import { HTMLAttributes } from "./jsx";
import type { Component, Element, HTMLElement } from "./component";
import type { HTMLAttributes } from "./jsx";
import { flatDeep } from "./utils";
/**
@ -38,8 +38,7 @@ export function createElement(
...children: Element[]
): HTMLElement;
export function createElement(
// eslint-disable-next-line @typescript-eslint/no-explicit-any
type: string | Component<any>,
type: string | Component,
props: object | null,
...children: Element[]
): HTMLElement {
@ -54,14 +53,21 @@ export function createElement(
}
const attrs: Record<string, string | number | boolean> = {};
for (const [key, value] of Object.entries(props || {})) {
if (key === "dangerouslySetInnerHTML") {
if (children.length > 0) {
throw new Error(
'An element with children may not have a "dangerouslySetInnerHTML" prop since children would be overriden',
);
}
attrs[key] = value.__html;
continue;
}
if (
typeof value !== "string" &&
typeof value !== "number" &&
typeof value !== "boolean"
) {
console.warn(
`non-primitive attribute ${key} = ${JSON.stringify(value)}`
);
console.warn(`non-primitive attribute ${key} = ${JSON.stringify(value)}`);
continue;
}
attrs[key] = value;

View file

@ -3,7 +3,7 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
export { HTMLElement, Component, Fragment } from "./component";
export { UserConfig as Config } from "./config";
export { Component, Fragment, HTMLElement } from "./component";
export { defineConfig, UserConfig as Config } from "./config";
export { createElement } from "./create-element";
export * from "./jsx";

View file

@ -4,7 +4,7 @@
*/
// eslint-disable-next-line @typescript-eslint/no-unused-vars
import { HTMLElement } from "./component";
import type { HTMLElement } from "./component";
export interface RdfaAttributes {
about?: string;
@ -25,7 +25,14 @@ export interface MicrodataAttributes {
itemRef?: string;
}
export interface HTMLAttributes extends RdfaAttributes, MicrodataAttributes {
export interface SetInnerHtmlAttributes {
dangerouslySetInnerHTML?: { __html: string };
}
export interface HTMLAttributes
extends RdfaAttributes,
MicrodataAttributes,
SetInnerHtmlAttributes {
accept?: string;
acceptCharset?: string;
accessKey?: string;

View file

@ -3,7 +3,7 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { Element, HTMLElement } from "./component";
import type { Element, HTMLElement } from "./component";
const HTML_ESCAPES: { [char: string]: string } = {
"&": "&amp;",
@ -34,9 +34,13 @@ const renderElement = (elem: Element): string => {
let output = "";
output += startTag(elem);
if (elem.attributes.dangerouslySetInnerHTML != null) {
output += elem.attributes.dangerouslySetInnerHTML;
} else {
for (const child of elem.children) {
output += renderElement(child);
}
}
output += endTag(elem);
return output;
};
@ -55,6 +59,11 @@ const startTag = (elem: HTMLElement): string => {
continue;
}
// Ignore the special attr for setting raw inner HTML.
if (attrName === "dangerouslySetInnerHTML") {
continue;
}
let normalizedAttrName = escapeHtml(attrName.toLowerCase());
if (normalizedAttrName === "classname") {
normalizedAttrName = "class";
@ -62,9 +71,7 @@ const startTag = (elem: HTMLElement): string => {
if (attrValue === true) {
output += ` ${normalizedAttrName}=""`;
} else {
output += ` ${normalizedAttrName}="${escapeAttr(
attrValue.toString()
)}"`;
output += ` ${normalizedAttrName}="${escapeAttr(attrValue.toString())}"`;
}
}
@ -88,19 +95,19 @@ const endTag = (elem: HTMLElement): string => {
* @return Fully rendered HTML document as a string.
*/
export const renderPage = (rootElem: Element): string => {
if (rootElem == undefined) {
throw new Error(`root page element cannot be null`);
if (rootElem == null) {
throw new Error("root page element cannot be null");
}
if (typeof rootElem !== "object" || !("tag" in rootElem)) {
throw new Error(
`root page element must be a valid HTMLElement, got ${JSON.stringify(
rootElem
)}`
rootElem,
)}`,
);
}
if (rootElem.tag.toLowerCase() !== "html") {
throw new Error(
`attempted to render page with non-HTML root element ${rootElem.tag}`
`attempted to render page with non-HTML root element ${rootElem.tag}`,
);
}

View file

@ -1,71 +0,0 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { promises as fs } from "fs";
import * as path from "path";
/**
* Recursively walk a directory, returning the files it finds.
*
* @param dirPath Path to the directory to walk.
*
* @return Generator that yields the files found while walking the directory.
*/
export const walkDir = async function* (
dirPath: string
): AsyncGenerator<string> {
const dirEnts = await fs.readdir(dirPath, { withFileTypes: true });
for (const dirEnt of dirEnts) {
if (dirEnt.isDirectory()) {
yield* walkDir(path.join(dirPath, dirEnt.name));
}
if (dirEnt.isFile()) {
yield path.join(dirPath, dirEnt.name);
}
}
};
/**
* Purge cached versions of a node module and all of its dependencies from the
* global require cache, ensuring that future imports reload the module from
* disk.
*
* @param modName Name of the module to purge from the require cache.
*/
export const purgeModuleAndDepsFromCache = (modName: string): void => {
const modPath = require.resolve(modName);
if (modPath == null) {
return;
}
const mod = require.cache[modPath];
if (mod == null) {
return;
}
for (const child of mod.children) {
purgeModuleAndDepsFromCache(child.id);
}
delete require.cache[modPath];
};
export type Flattenable<T> = Array<T | Flattenable<T>>;
/**
* Flatten an arbitrarily-deeply nested array into a flat array.
*
* @param arr Array to flatten.
*
* @return Flattened array.
*/
export const flatDeep = <T>(arr: Flattenable<T>): T[] => {
const flattenedArr: T[] = [];
for (const val of arr) {
if (Array.isArray(val)) {
flattenedArr.push(...flatDeep(val));
} else {
flattenedArr.push(val);
}
}
return flattenedArr;
};

View file

@ -0,0 +1,75 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { isErrnoException } from "./error";
const resolveModulePath = (importPath: string): string | undefined => {
try {
return require.resolve(importPath);
} catch (error) {
if (
error instanceof Error &&
isErrnoException(error) &&
error.code === "MODULE_NOT_FOUND"
) {
return;
}
throw error;
}
};
const removeParentModuleRef = (mod: NodeModule): void => {
const parent = mod.parent;
if (parent == null) {
return;
}
const siblings = parent.children;
const nSiblings = siblings.length;
for (let i = nSiblings - 1; i >= 0; i--) {
const sibling = siblings[i];
if (sibling.id === mod.id) {
siblings.splice(i, 1);
return;
}
}
};
/**
* Clear a module and its dependencies from node's module cache, ensuring that
* requiring the module again will reload the code from disk.
*
* @param importPath Path or name of the module to resolve (same as
* {@see require}).
*
* @throws Error if the module could not be resolved due to filesystem error.
*/
export const decacheModule = (importPath: string): void => {
const modulePath = resolveModulePath(importPath);
if (modulePath == null) {
return;
}
// DFS the module dependency tree, using iteration to avoid stack size
// exceeded exceptions.
const modsToCheck: NodeModule[] = [];
const visited: Set<string> = new Set();
let currentMod: NodeModule | undefined = require.cache[modulePath];
while (currentMod != null) {
if (visited.has(currentMod.id)) {
currentMod = modsToCheck.pop();
continue;
}
removeParentModuleRef(currentMod);
delete require.cache[currentMod.id];
for (const childMod of currentMod.children) {
modsToCheck.push(childMod);
}
visited.add(currentMod.id);
currentMod = modsToCheck.pop();
}
};

3
src/utils/error.ts Normal file
View file

@ -0,0 +1,3 @@
export const isErrnoException = (
error: Error,
): error is NodeJS.ErrnoException => "code" in error;

51
src/utils/index.ts Normal file
View file

@ -0,0 +1,51 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { promises as fs } from "node:fs";
import * as path from "node:path";
export { decacheModule } from "./decache-module";
/**
* Recursively walk a directory, returning the files it finds.
*
* @param dirPath Path to the directory to walk.
*
* @return Generator that yields the files found while walking the directory.
*/
export const walkDir = async function* (
dirPath: string,
): AsyncGenerator<string> {
const dirEnts = await fs.readdir(dirPath, { withFileTypes: true });
for (const dirEnt of dirEnts) {
if (dirEnt.isDirectory()) {
yield* walkDir(path.join(dirPath, dirEnt.name));
}
if (dirEnt.isFile()) {
yield path.join(dirPath, dirEnt.name);
}
}
};
export type Flattenable<T> = Array<T | Flattenable<T>>;
/**
* Flatten an arbitrarily-deeply nested array into a flat array.
*
* @param arr Array to flatten.
*
* @return Flattened array.
*/
export const flatDeep = <T>(arr: Flattenable<T>): T[] => {
const flattenedArr: T[] = [];
for (const val of arr) {
if (Array.isArray(val)) {
flattenedArr.push(...flatDeep(val));
} else {
flattenedArr.push(val);
}
}
return flattenedArr;
};

View file

@ -3,11 +3,15 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { promises as fs } from "fs";
import * as path from "path";
import { promises as fs } from "node:fs";
import * as path from "node:path";
import {
npmCmd, runCommand, WEBSNACKS_BIN_PATH, WEBSNACKS_REPO_ROOT, withTempDir
npmCmd,
runCommand,
WEBSNACKS_BIN_PATH,
WEBSNACKS_REPO_ROOT,
withTempDir,
} from "../helpers/e2e";
import { testSuite } from "../lib";
@ -35,7 +39,7 @@ testSuite("build command", ({ test }) => {
}),
{
encoding: "utf8",
}
},
);
await fs.writeFile(
path.join(tempDirPath, "websnacks.ts"),
@ -48,7 +52,7 @@ testSuite("build command", ({ test }) => {
`,
{
encoding: "utf8",
}
},
);
const pagesPath = path.join(tempDirPath, "pages");
await fs.mkdir(pagesPath);
@ -60,7 +64,7 @@ testSuite("build command", ({ test }) => {
`,
{
encoding: "utf8",
}
},
);
await fs.writeFile(
path.join(tempDirPath, "package.json"),
@ -69,7 +73,7 @@ testSuite("build command", ({ test }) => {
websnacks: `file:${WEBSNACKS_REPO_ROOT}`,
},
}),
{ encoding: "utf8" }
{ encoding: "utf8" },
);
await runCommand(npmCmd, ["install", "--silent"], {
cwd: tempDirPath,
@ -79,7 +83,7 @@ testSuite("build command", ({ test }) => {
[WEBSNACKS_BIN_PATH, "-r", "ts-node/register", "build"],
{
cwd: tempDirPath,
}
},
);
await cmd.complete;
});
@ -108,7 +112,7 @@ testSuite("build command", ({ test }) => {
}),
{
encoding: "utf8",
}
},
);
const pagesPath = path.join(tempDirPath, "pages");
await fs.mkdir(pagesPath);
@ -120,7 +124,7 @@ testSuite("build command", ({ test }) => {
`,
{
encoding: "utf8",
}
},
);
await fs.writeFile(
path.join(tempDirPath, "package.json"),
@ -129,7 +133,7 @@ testSuite("build command", ({ test }) => {
websnacks: `file:${WEBSNACKS_REPO_ROOT}`,
},
}),
{ encoding: "utf8" }
{ encoding: "utf8" },
);
await runCommand(npmCmd, ["install", "--silent"], {
cwd: tempDirPath,
@ -139,7 +143,7 @@ testSuite("build command", ({ test }) => {
[WEBSNACKS_BIN_PATH, "-r", "ts-node/register", "build"],
{
cwd: tempDirPath,
}
},
);
await cmd.complete;
});

View file

@ -3,11 +3,16 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { promises as fs } from "fs";
import * as path from "path";
import { promises as fs } from "node:fs";
import * as path from "node:path";
import {
npmCmd, runCommand, wait, WEBSNACKS_BIN_PATH, WEBSNACKS_REPO_ROOT, withTempDir
npmCmd,
runCommand,
WEBSNACKS_BIN_PATH,
WEBSNACKS_REPO_ROOT,
wait,
withTempDir,
} from "../helpers/e2e";
import { testSuite } from "../lib";
@ -35,7 +40,7 @@ testSuite("dev command", ({ test, expect }) => {
}),
{
encoding: "utf8",
}
},
);
await fs.writeFile(
path.join(tempDirPath, "websnacks.ts"),
@ -48,7 +53,7 @@ testSuite("dev command", ({ test, expect }) => {
`,
{
encoding: "utf8",
}
},
);
const pagesPath = path.join(tempDirPath, "pages");
await fs.mkdir(pagesPath);
@ -60,7 +65,7 @@ testSuite("dev command", ({ test, expect }) => {
`,
{
encoding: "utf8",
}
},
);
await fs.writeFile(
path.join(tempDirPath, "package.json"),
@ -69,7 +74,7 @@ testSuite("dev command", ({ test, expect }) => {
websnacks: `file:${WEBSNACKS_REPO_ROOT}`,
},
}),
{ encoding: "utf8" }
{ encoding: "utf8" },
);
await runCommand(npmCmd, ["install", "--silent"], {
cwd: tempDirPath,
@ -79,7 +84,7 @@ testSuite("dev command", ({ test, expect }) => {
[WEBSNACKS_BIN_PATH, "-r", "ts-node/register", "dev"],
{
cwd: tempDirPath,
}
},
);
// FIXME: This test is a bit brittle due to relying on timeouts.
await wait(10_000);
@ -112,7 +117,7 @@ testSuite("dev command", ({ test, expect }) => {
}),
{
encoding: "utf8",
}
},
);
const pagesPath = path.join(tempDirPath, "pages");
await fs.mkdir(pagesPath);
@ -124,7 +129,7 @@ testSuite("dev command", ({ test, expect }) => {
`,
{
encoding: "utf8",
}
},
);
await fs.writeFile(
path.join(tempDirPath, "package.json"),
@ -133,7 +138,7 @@ testSuite("dev command", ({ test, expect }) => {
websnacks: `file:${WEBSNACKS_REPO_ROOT}`,
},
}),
{ encoding: "utf8" }
{ encoding: "utf8" },
);
await runCommand(npmCmd, ["install", "--silent"], {
cwd: tempDirPath,
@ -143,7 +148,7 @@ testSuite("dev command", ({ test, expect }) => {
[WEBSNACKS_BIN_PATH, "-r", "ts-node/register", "dev"],
{
cwd: tempDirPath,
}
},
);
// FIXME: This test is a bit brittle due to relying on timeouts.
await wait(10_000);

View file

@ -3,10 +3,10 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { ChildProcess, spawn } from "child_process";
import { promises as fs } from "fs";
import * as os from "os";
import * as path from "path";
import { type ChildProcess, spawn } from "node:child_process";
import { promises as fs } from "node:fs";
import * as os from "node:os";
import * as path from "node:path";
/**
* Set a timeout and wait for at least the specified number of milliseconds,
@ -36,7 +36,7 @@ const TEMP_PATH = path.resolve(__dirname, "..", "..", ".temp");
* directory path as its only argument.
*/
export const withTempDir = async (
op: (tempDirPath: string) => Promise<void> | void
op: (tempDirPath: string) => Promise<void> | void,
): Promise<void> => {
await fs.mkdir(TEMP_PATH, { recursive: true });
const tempDirPath = await fs.mkdtemp(`${TEMP_PATH}/`);
@ -57,7 +57,7 @@ export const WEBSNACKS_REPO_ROOT = path.resolve(__dirname, "..", "..");
export const WEBSNACKS_BIN_PATH = path.join(
WEBSNACKS_REPO_ROOT,
"bin",
"websnacks.js"
"websnacks.js",
);
/**
@ -113,7 +113,7 @@ const DEFAULT_CLI_OPTIONS = {
export const runCommand = (
command: string,
args: string[] = [],
options?: CliOptions
options?: CliOptions,
): AsyncCommand => {
const optionsWithDefaults = { ...DEFAULT_CLI_OPTIONS, ...options };
const process = spawn(command, args, {
@ -137,9 +137,7 @@ export const runCommand = (
threwError = true;
process.kill();
reject(
new Error(
`max timeout of ${optionsWithDefaults.timeoutMs}ms reached`
)
new Error(`max timeout of ${optionsWithDefaults.timeoutMs}ms reached`),
);
}, optionsWithDefaults.timeoutMs);
process.on("exit", (code) => {

View file

@ -10,7 +10,7 @@ class ExpectError extends Error {
super(
`${reason}\n` +
`\texpected: ${displayValue(expected)}\n` +
`\tactual : ${displayValue(actual)}`
`\tactual : ${displayValue(actual)}`,
);
}
}
@ -48,9 +48,9 @@ export class Expect<T> {
public toEqual(expected: T): void {
if (!areEqual(this.value, expected)) {
throw new ExpectError(
`value does not equal expected`,
"value does not equal expected",
expected,
this.value
this.value,
);
}
}
@ -71,9 +71,9 @@ export class StringExpect extends Expect<string> {
public toMatch(pattern: RegExp): void {
if (!this.value.match(pattern)) {
throw new ExpectError(
`value does not match expected pattern`,
"value does not match expected pattern",
pattern,
this.value
this.value,
);
}
}
@ -89,9 +89,9 @@ export class StringExpect extends Expect<string> {
public toStartWith(prefix: string): void {
if (!this.value.startsWith(prefix)) {
throw new ExpectError(
`value does not start with expected prefix`,
"value does not start with expected prefix",
prefix,
this.value
this.value,
);
}
}
@ -107,9 +107,9 @@ export class StringExpect extends Expect<string> {
public toEndWith(suffix: string): void {
if (!this.value.endsWith(suffix)) {
throw new ExpectError(
`value does not end with expected suffix`,
"value does not end with expected suffix",
suffix,
this.value
this.value,
);
}
}
@ -135,25 +135,21 @@ export class FunctionExpect<T> extends Expect<() => T> {
this.value();
} catch (error) {
if (!(error instanceof Error)) {
throw new ExpectError(
`function threw non-Error value`,
pattern,
error
);
throw new ExpectError("function threw non-Error value", pattern, error);
}
if (!matches(error.message, pattern)) {
throw new ExpectError(
`thrown Error's message does not match pattern`,
pattern,
error.message
error.message,
);
}
return;
}
throw new ExpectError(
`function did not throw expected error`,
"function did not throw expected error",
pattern,
null
null,
);
}
}

View file

@ -39,9 +39,7 @@ const runTest = async (test: Test): Promise<TestResult> => {
error:
error instanceof Error
? error
: new Error(
`threw non-error object: ${displayValue(error)}`
),
: new Error(`threw non-error object: ${displayValue(error)}`),
};
}
return result;
@ -86,7 +84,7 @@ export interface TestSuiteContext {
*/
export const testSuite = (
suiteName: string,
def: (ctx: TestSuiteContext) => void
def: (ctx: TestSuiteContext) => void,
): void => {
const tests: Test[] = [];
const test = (name: string, runTest: () => void | Promise<void>): void => {
@ -104,14 +102,14 @@ export const testSuite = (
if (testResult.result === "fail") {
console.error(
`[TEST FAILURE] "${suiteName}": "${testResult.testName}": ` +
`${testResult.error.stack}\n`
`${testResult.error.stack}\n`,
);
continue;
}
passed += 1;
}
console.info(
`[TEST] suite "${suiteName}": ${passed} of ${tests.length} succeeded\n\n`
`[TEST] suite "${suiteName}": ${passed} of ${tests.length} succeeded\n\n`,
);
if (passed < tests.length) {
process.exitCode = 1;

View file

@ -20,7 +20,7 @@ export const shuffle = <T>(arr: T[]): void => {
};
const areArraysEqual = <T>(a: T[], b: T[]): boolean => {
if (a.length != b.length) {
if (a.length !== b.length) {
return false;
}
for (let i = 0; i < a.length; i++) {
@ -33,7 +33,7 @@ const areArraysEqual = <T>(a: T[], b: T[]): boolean => {
const areObjectsEqual = <T extends Record<string, unknown>>(
a: T,
b: T
b: T,
): boolean => {
const aKeys = Object.keys(a) as Array<keyof T>;
const bKeys = Object.keys(b) as Array<keyof T>;
@ -67,7 +67,7 @@ export const areEqual = <T>(a: T, b: T): boolean => {
if (typeof a === "object" && typeof b === "object") {
return areObjectsEqual(
a as Record<string, unknown>,
b as Record<string, unknown>
b as Record<string, unknown>,
);
}
return a === b;

View file

@ -3,9 +3,9 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { fork } from "child_process";
import * as fs from "fs";
import * as path from "path";
import { fork } from "node:child_process";
import * as fs from "node:fs";
import * as path from "node:path";
import { shuffle } from "./lib/utils";

View file

@ -3,9 +3,9 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { fork } from "child_process";
import * as fs from "fs";
import * as path from "path";
import { fork } from "node:child_process";
import * as fs from "node:fs";
import * as path from "node:path";
import { shuffle } from "./lib/utils";

View file

@ -3,14 +3,14 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
import { Component, createElement, Fragment } from "../../dist";
import { type Component, createElement, Fragment } from "../../dist";
import { renderPage } from "../../dist/render";
import { testSuite } from "../lib";
testSuite("renderPage", ({ test, expect }) => {
test("throws an Error when root elem is not html tag", () => {
expect(() => renderPage(<div />)).toThrowErrorMatching(
"attempted to render page with non-HTML root element div"
"attempted to render page with non-HTML root element div",
);
});
@ -20,11 +20,9 @@ testSuite("renderPage", ({ test, expect }) => {
});
test("escapes HTML in tag names", () => {
const html = renderPage(
<html>{createElement("div></div", null)}</html>
);
const html = renderPage(<html>{createElement("div></div", null)}</html>);
expect(html).toEqual(
"<!DOCTYPE html><html><div&gt;&lt;/div></div&gt;&lt;/div></html>"
"<!DOCTYPE html><html><div&gt;&lt;/div></div&gt;&lt;/div></html>",
);
});
@ -32,10 +30,10 @@ testSuite("renderPage", ({ test, expect }) => {
const html = renderPage(
<html>
<div className="test" id="1" />
</html>
</html>,
);
expect(html).toEqual(
'<!DOCTYPE html><html><div class="test" id="1"></div></html>'
'<!DOCTYPE html><html><div class="test" id="1"></div></html>',
);
});
@ -48,18 +46,16 @@ testSuite("renderPage", ({ test, expect }) => {
<body>
<div />
</body>
</html>
</html>,
);
expect(html).toEqual(
"<!DOCTYPE html><html><head><title></title></head><body><div></div></body></html>"
"<!DOCTYPE html><html><head><title></title></head><body><div></div></body></html>",
);
});
test("renders text nodes", () => {
const html = renderPage(<html>There are three lights!</html>);
expect(html).toEqual(
"<!DOCTYPE html><html>There are three lights!</html>"
);
expect(html).toEqual("<!DOCTYPE html><html>There are three lights!</html>");
});
test("renders spliced number nodes", () => {
@ -80,10 +76,10 @@ testSuite("renderPage", ({ test, expect }) => {
<Light lightN={lightN} />
))}{" "}
lights!
</html>
</html>,
);
expect(html).toEqual(
"<!DOCTYPE html><html>There are <div>1</div><div>2</div><div>3</div> lights!</html>"
"<!DOCTYPE html><html>There are <div>1</div><div>2</div><div>3</div> lights!</html>",
);
});
@ -97,10 +93,10 @@ testSuite("renderPage", ({ test, expect }) => {
const html = renderPage(
<html>
There are <Light nLights={3} />!
</html>
</html>,
);
expect(html).toEqual(
"<!DOCTYPE html><html>There are <div>3 lights</div>!</html>"
"<!DOCTYPE html><html>There are <div>3 lights</div>!</html>",
);
});
@ -111,10 +107,43 @@ testSuite("renderPage", ({ test, expect }) => {
<div>test of</div>
<div>fragments</div>
</Fragment>
</html>
</html>,
);
expect(html).toEqual(
"<!DOCTYPE html><html><div>test of</div><div>fragments</div></html>"
"<!DOCTYPE html><html><div>test of</div><div>fragments</div></html>",
);
});
test("renders unescaped HTML via dangerouslySetInnerHTML", () => {
const html = renderPage(
<html>
<div
dangerouslySetInnerHTML={{
__html: "<div>red alert!</div>",
}}
/>
</html>,
);
expect(html).toEqual(
"<!DOCTYPE html><html><div><div>red alert!</div></div></html>",
);
});
test("throws error when both dangerouslySetInnerHTML and children prop present", () => {
expect(() =>
renderPage(
<html>
<div
dangerouslySetInnerHTML={{
__html: "<div>set phasers to kill</div>",
}}
>
<div>set phasers to stun</div>
</div>
</html>,
),
).toThrowErrorMatching(
'An element with children may not have a "dangerouslySetInnerHTML" prop since children would be overriden',
);
});
});