homepage/build.js

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JavaScript
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const { promises: fs } = require("fs");
const path = require("path");
const { html: beautifyHtml } = require('js-beautify');
const buildConfig = require("./buildconfig");
// source: https://stackoverflow.com/a/41407246
const escapeCodes = {
reset: "\x1b[0m",
bright: "\x1b[1m",
dim: "\x1b[2m",
underscore: "\x1b[4m",
blink: "\x1b[5m",
reverse: "\x1b[7m",
hidden: "\x1b[8m",
fgBlack: "\x1b[30m",
fgRed: "\x1b[31m",
fgGreen: "\x1b[32m",
fgYellow: "\x1b[33m",
fgBlue: "\x1b[34m",
fgMagenta: "\x1b[35m",
fgCyan: "\x1b[36m",
fgWhite: "\x1b[37m",
bgBlack: "\x1b[40m",
bgRed: "\x1b[41m",
bgGreen: "\x1b[42m",
bgYellow: "\x1b[43m",
bgBlue: "\x1b[44m",
bgMagenta: "\x1b[45m",
bgCyan: "\x1b[46m",
bgWhite: "\x1b[47m",
};
if (!buildConfig.allowSpecialCharacters) {
for (i in escapeCodes) {
escapeCodes[i] = "";
}
}
const specialCharacter = (c) => {
if (buildConfig.allowSpecialCharacters) {
return c;
}
return "";
}
const processPageOutput = async (out) => {
if (typeof out === "function")
out = await out();
if (typeof out !== "string")
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throw new Error("got non-string page output (maybe one of the pages isn't exporting a string?)");
if (buildConfig.postProcessing.trimOutput) {
out = out.trim();
}
if (buildConfig.postProcessing.beautifyOutput) {
out = beautifyHtml(out, buildConfig.postProcessing.beautifyOutputOptions);
}
return out;
};
const findAllPages = async (directory) =>
(await fs.readdir(directory))
.filter(
f => f.endsWith(buildConfig.pageExtension)
)
.map(f => directory + "/" + f); // TODO: hack
const buildPage = async (pagePath) => {
const processed = await processPageOutput(require(pagePath));
console.log(`${escapeCodes.fgGreen}${specialCharacter("→")}${escapeCodes.reset} Built ${escapeCodes.fgBlue}${path.parse(path.basename(pagePath, buildConfig.pageExtension)).name}${escapeCodes.reset}`);
return processed
};
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const buildAllPages = async (directory) =>
await Promise.all((await findAllPages(directory))
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.map(
async p => [p, (await buildPage(p))]
));
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const exportAllPages = async (sourcePath, outputPath) => {
const pages = await buildAllPages(sourcePath);
for (const [pagePath, pageContent] of pages) {
const pageName = path.parse(path.basename(pagePath, buildConfig.pageExtension)).name;
await fs.writeFile(path.join(outputPath, pageName + ".html"), pageContent);
}
return pages.length;
};
const main = async () => {
const startTime = new Date();
const builtPages = await exportAllPages(buildConfig.sourceDirectory, buildConfig.outputDirectory);
console.log(`${escapeCodes.fgGreen}${specialCharacter("✓")} Done! ${escapeCodes.fgBlue}Built ${builtPages} pages in ${((new Date()) - startTime)}ms.${escapeCodes.reset}`);
};
main();