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lint: src/node/utils/MinifyWorker.js

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John McLear 2021-01-21 21:06:52 +00:00 • committed by Richard Hansen
parent b5e04d867e
commit b11ba23208
1 changed files with 20 additions and 23 deletions
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43
src/node/utils/MinifyWorker.js
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@ -1,3 +1,4 @@
'use strict';
/** /**
* Worker thread to minify JS & CSS files out of the main NodeJS thread * Worker thread to minify JS & CSS files out of the main NodeJS thread
*/ */
@ -7,16 +8,13 @@ const Terser = require('terser');
const path = require('path'); const path = require('path');
const Threads = require('threads'); const Threads = require('threads');
function compressJS(content) { const compressJS = (content) => Terser.minify(content);
return Terser.minify(content);
}
function compressCSS(filename, ROOT_DIR) { const compressCSS = (filename, ROOT_DIR) => new Promise((res, rej) => {
return new Promise((res, rej) => { try {
try { const absPath = path.join(ROOT_DIR, filename);
const absPath = path.join(ROOT_DIR, filename);
/* /*
* Changes done to migrate CleanCSS 3.x -> 4.x: * Changes done to migrate CleanCSS 3.x -> 4.x:
* *
* 1. Rework the rebase logic, because the API was simplified (but we have * 1. Rework the rebase logic, because the API was simplified (but we have
@ -41,23 +39,22 @@ function compressCSS(filename, ROOT_DIR) {
* in an array and ask the library to read it by itself. * in an array and ask the library to read it by itself.
*/ */
const basePath = path.dirname(absPath); const basePath = path.dirname(absPath);
new CleanCSS({ new CleanCSS({
rebase: true, rebase: true,
rebaseTo: basePath, rebaseTo: basePath,
}).minify([absPath], (errors, minified) => { }).minify([absPath], (errors, minified) => {
if (errors) return rej(errors); if (errors) return rej(errors);
return res(minified.styles); return res(minified.styles);
}); });
} catch (error) { } catch (error) {
// on error, just yield the un-minified original, but write a log message // on error, just yield the un-minified original, but write a log message
console.error(`Unexpected error minifying ${filename} (${absPath}): ${error}`); console.error(`Unexpected error minifying ${filename} (${absPath}): ${error}`);
callback(null, content); callback(null, content);
} }
}); });
}
Threads.expose({ Threads.expose({
compressJS, compressJS,