WLED/tools/cdata.js

407 wiersze
11 KiB
JavaScript

/**
* Writes compressed C arrays of data files (web interface)
* How to use it?
*
* 1) Install Node 11+ and npm
* 2) npm install
* 3) npm run build
*
* If you change data folder often, you can run it in monitoring mode (it will recompile and update *.h on every file change)
*
* > npm run dev
*
* How it works?
*
* It uses NodeJS packages to inline, minify and GZIP files. See writeHtmlGzipped and writeChunks invocations at the bottom of the page.
*/
const fs = require("fs");
const path = require("path");
const inliner = require("inliner");
const zlib = require("zlib");
const CleanCSS = require("clean-css");
const minifyHtml = require("html-minifier-terser").minify;
const packageJson = require("../package.json");
// Export functions for testing
module.exports = { isFileNewerThan, isAnyFileInFolderNewerThan };
const output = ["wled00/html_ui.h", "wled00/html_pixart.h", "wled00/html_cpal.h", "wled00/html_pxmagic.h", "wled00/html_settings.h", "wled00/html_other.h"]
// \x1b[34m is blue, \x1b[36m is cyan, \x1b[0m is reset
const wledBanner = `
\t\x1b[34m## ## ## ######## ########
\t\x1b[34m## ## ## ## ## ## ##
\t\x1b[34m## ## ## ## ## ## ##
\t\x1b[34m## ## ## ## ###### ## ##
\t\x1b[34m## ## ## ## ## ## ##
\t\x1b[34m## ## ## ## ## ## ##
\t\x1b[34m ### ### ######## ######## ########
\t\t\x1b[36mbuild script for web UI
\x1b[0m`;
const singleHeader = `/*
* Binary array for the Web UI.
* gzip is used for smaller size and improved speeds.
*
* Please see https://kno.wled.ge/advanced/custom-features/#changing-web-ui
* to find out how to easily modify the web UI source!
*/
`;
const multiHeader = `/*
* More web UI HTML source arrays.
* This file is auto generated, please don't make any changes manually.
*
* Instead, see https://kno.wled.ge/advanced/custom-features/#changing-web-ui
* to find out how to easily modify the web UI source!
*/
`;
function hexdump(buffer, isHex = false) {
let lines = [];
for (let i = 0; i < buffer.length; i += (isHex ? 32 : 16)) {
var block;
let hexArray = [];
if (isHex) {
block = buffer.slice(i, i + 32)
for (let j = 0; j < block.length; j += 2) {
hexArray.push("0x" + block.slice(j, j + 2))
}
} else {
block = buffer.slice(i, i + 16); // cut buffer into blocks of 16
for (let value of block) {
hexArray.push("0x" + value.toString(16).padStart(2, "0"));
}
}
let hexString = hexArray.join(", ");
let line = ` ${hexString}`;
lines.push(line);
}
return lines.join(",\n");
}
function adoptVersionAndRepo(html) {
let repoUrl = packageJson.repository ? packageJson.repository.url : undefined;
if (repoUrl) {
repoUrl = repoUrl.replace(/^git\+/, "");
repoUrl = repoUrl.replace(/\.git$/, "");
html = html.replaceAll("https://github.com/atuline/WLED", repoUrl);
html = html.replaceAll("https://github.com/Aircoookie/WLED", repoUrl);
}
let version = packageJson.version;
if (version) {
html = html.replaceAll("##VERSION##", version);
}
return html;
}
async function minify(str, type = "plain") {
const options = {
collapseWhitespace: true,
collapseBooleanAttributes: true,
collapseInlineTagWhitespace: true,
minifyCSS: true,
minifyJS: true,
removeAttributeQuotes: true,
removeComments: true,
sortAttributes: true,
sortClassName: true,
};
if (type == "plain") {
return str;
} else if (type == "css-minify") {
return new CleanCSS({}).minify(str).styles;
} else if (type == "js-minify") {
return await minifyHtml('<script>' + str + '</script>', options).replace(/<[\/]*script>/g, '');
} else if (type == "html-minify") {
return await minifyHtml(str, options);
}
throw new Error("Unknown filter: " + type);
}
async function writeHtmlGzipped(sourceFile, resultFile, page) {
console.info("Reading " + sourceFile);
new inliner(sourceFile, async function (error, html) {
if (error) throw error;
html = adoptVersionAndRepo(html);
const originalLength = html.length;
html = await minify(html, "html-minify");
const result = zlib.gzipSync(html, { level: zlib.constants.Z_BEST_COMPRESSION });
console.info("Minified and compressed " + sourceFile + " from " + originalLength + " to " + result.length + " bytes");
const array = hexdump(result);
let src = singleHeader;
src += `const uint16_t PAGE_${page}_L = ${result.length};\n`;
src += `const uint8_t PAGE_${page}[] PROGMEM = {\n${array}\n};\n\n`;
console.info("Writing " + resultFile);
fs.writeFileSync(resultFile, src);
});
}
async function specToChunk(srcDir, s) {
const buf = fs.readFileSync(srcDir + "/" + s.file);
let chunk = `// Autogenerated from ${srcDir}/${s.file}, do not edit!!\n`
if (s.method == "plaintext" || s.method == "gzip") {
let str = buf.toString("utf-8");
str = adoptVersionAndRepo(str);
const originalLength = str.length;
if (s.method == "gzip") {
if (s.mangle) str = s.mangle(str);
const zip = zlib.gzipSync(await minify(str, s.filter), { level: zlib.constants.Z_BEST_COMPRESSION });
console.info("Minified and compressed " + s.file + " from " + originalLength + " to " + zip.length + " bytes");
const result = hexdump(zip);
chunk += `const uint16_t ${s.name}_length = ${zip.length};\n`;
chunk += `const uint8_t ${s.name}[] PROGMEM = {\n${result}\n};\n\n`;
return chunk;
} else {
const minified = await minify(str, s.filter);
console.info("Minified " + s.file + " from " + originalLength + " to " + minified.length + " bytes");
chunk += `const char ${s.name}[] PROGMEM = R"${s.prepend || ""}${minified}${s.append || ""}";\n\n`;
return s.mangle ? s.mangle(chunk) : chunk;
}
} else if (s.method == "binary") {
const result = hexdump(buf);
chunk += `const uint16_t ${s.name}_length = ${buf.length};\n`;
chunk += `const uint8_t ${s.name}[] PROGMEM = {\n${result}\n};\n\n`;
return chunk;
}
throw new Error("Unknown method: " + s.method);
}
async function writeChunks(srcDir, specs, resultFile) {
let src = multiHeader;
for (const s of specs) {
console.info("Reading " + srcDir + "/" + s.file + " as " + s.name);
src += await specToChunk(srcDir, s);
}
console.info("Writing " + src.length + " characters into " + resultFile);
fs.writeFileSync(resultFile, src);
}
// Check if a file is newer than a given time
function isFileNewerThan(filePath, time) {
const stats = fs.statSync(filePath);
return stats.mtimeMs > time;
}
// Check if any file in a folder (or its subfolders) is newer than a given time
function isAnyFileInFolderNewerThan(folderPath, time) {
const files = fs.readdirSync(folderPath, { withFileTypes: true });
for (const file of files) {
const filePath = path.join(folderPath, file.name);
if (isFileNewerThan(filePath, time)) {
return true;
}
if (file.isDirectory() && isAnyFileInFolderNewerThan(filePath, time)) {
return true;
}
}
return false;
}
// Check if the web UI is already built
function isAlreadyBuilt(folderPath) {
let lastBuildTime = Infinity;
for (const file of output) {
try {
lastBuildTime = Math.min(lastBuildTime, fs.statSync(file).mtimeMs);
} catch (e) {
if (e.code !== 'ENOENT') throw e;
console.info("File " + file + " does not exist. Rebuilding...");
return false;
}
}
return !isAnyFileInFolderNewerThan(folderPath, lastBuildTime) && !isFileNewerThan("tools/cdata.js", lastBuildTime);
}
// Don't run this script if we're in a test environment
if (process.env.NODE_ENV === 'test') {
return;
}
console.info(wledBanner);
if (isAlreadyBuilt("wled00/data") && process.argv[2] !== '--force' && process.argv[2] !== '-f') {
console.info("Web UI is already built");
return;
}
writeHtmlGzipped("wled00/data/index.htm", "wled00/html_ui.h", 'index');
writeHtmlGzipped("wled00/data/pixart/pixart.htm", "wled00/html_pixart.h", 'pixart');
writeHtmlGzipped("wled00/data/cpal/cpal.htm", "wled00/html_cpal.h", 'cpal');
writeHtmlGzipped("wled00/data/pxmagic/pxmagic.htm", "wled00/html_pxmagic.h", 'pxmagic');
writeChunks(
"wled00/data",
[
{
file: "style.css",
name: "PAGE_settingsCss",
method: "gzip",
filter: "css-minify",
mangle: (str) =>
str
.replace("%%", "%")
},
{
file: "settings.htm",
name: "PAGE_settings",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_wifi.htm",
name: "PAGE_settings_wifi",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_leds.htm",
name: "PAGE_settings_leds",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_dmx.htm",
name: "PAGE_settings_dmx",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_ui.htm",
name: "PAGE_settings_ui",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_sync.htm",
name: "PAGE_settings_sync",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_time.htm",
name: "PAGE_settings_time",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_sec.htm",
name: "PAGE_settings_sec",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_um.htm",
name: "PAGE_settings_um",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_2D.htm",
name: "PAGE_settings_2D",
method: "gzip",
filter: "html-minify",
},
{
file: "settings_pin.htm",
name: "PAGE_settings_pin",
method: "gzip",
filter: "html-minify"
}
],
"wled00/html_settings.h"
);
writeChunks(
"wled00/data",
[
{
file: "usermod.htm",
name: "PAGE_usermod",
method: "gzip",
filter: "html-minify",
mangle: (str) =>
str.replace(/fetch\("http\:\/\/.*\/win/gms, 'fetch("/win'),
},
{
file: "msg.htm",
name: "PAGE_msg",
prepend: "=====(",
append: ")=====",
method: "plaintext",
filter: "html-minify",
mangle: (str) => str.replace(/\<h2\>.*\<\/body\>/gms, "<h2>%MSG%</body>"),
},
{
file: "dmxmap.htm",
name: "PAGE_dmxmap",
prepend: "=====(",
append: ")=====",
method: "plaintext",
filter: "html-minify",
mangle: (str) => `
#ifdef WLED_ENABLE_DMX
${str.replace(/function FM\(\)[ ]?\{/gms, "function FM() {%DMXVARS%\n")}
#else
const char PAGE_dmxmap[] PROGMEM = R"=====()=====";
#endif
`,
},
{
file: "update.htm",
name: "PAGE_update",
method: "gzip",
filter: "html-minify",
mangle: (str) =>
str
.replace(
/function GetV().*\<\/script\>/gms,
"</script><script src=\"/settings/s.js?p=9\"></script>"
)
},
{
file: "welcome.htm",
name: "PAGE_welcome",
method: "gzip",
filter: "html-minify",
},
{
file: "liveview.htm",
name: "PAGE_liveview",
method: "gzip",
filter: "html-minify",
},
{
file: "liveviewws2D.htm",
name: "PAGE_liveviewws2D",
method: "gzip",
filter: "html-minify",
},
{
file: "404.htm",
name: "PAGE_404",
method: "gzip",
filter: "html-minify",
},
{
file: "favicon.ico",
name: "favicon",
method: "binary",
}
],
"wled00/html_other.h"
);