dbl-utils
Version:
Utilities for dbl, adba and others projects
91 lines (90 loc) • 4.12 kB
JavaScript
#! bin/node
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
require("dotenv").config({});
const fs = __importStar(require("fs"));
const purgecss_1 = require("purgecss");
const prettier_1 = __importDefault(require("prettier"));
/**
* Purges unused CSS based on HTML content.
*
* @param cssFilePath - Path to the CSS file generated by the build.
* @param htmlDirPath - Directory containing the generated HTML files.
* @param outputCssFilePath - Path to save the purged CSS.
*/
const purgeCss = (cssFilePath, htmlDirPath, outputCssFilePath) => __awaiter(void 0, void 0, void 0, function* () {
try {
// Ensure input files exist
if (!fs.existsSync(cssFilePath))
throw new Error("CSS file not found");
if (!fs.existsSync(htmlDirPath))
throw new Error("HTML directory not found");
console.log("Purging unused CSS...");
// Step 1: Use PurgeCSS to remove unused styles
const purgeCSSResult = yield new purgecss_1.PurgeCSS().purge({
content: [`${htmlDirPath}`], // Analyze all HTML files in the directory
css: [cssFilePath], // CSS file generated by the build,
});
if (!purgeCSSResult || purgeCSSResult.length === 0) {
throw new Error("PurgeCSS failed to produce results.");
}
const purgedCss = purgeCSSResult[0].css;
console.log("Formatting CSS...");
// Step 2: Format CSS using Prettier
const formattedCss = yield prettier_1.default.format(purgedCss, { parser: "css" });
console.log("Writing purged CSS to output...");
// Step 3: Write the formatted CSS to the output file
fs.writeFileSync(outputCssFilePath, formattedCss, "utf8");
console.log(`Purged CSS written to: ${outputCssFilePath}`);
}
catch (error) {
console.error(error);
process.exit(1);
}
});
exports.default = purgeCss;