93 lines
2.8 KiB
JavaScript
93 lines
2.8 KiB
JavaScript
#!/usr/bin/env node
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const program = require("commander");
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const fs = require("fs");
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const {
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default: PurgeCSS,
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defaultOptions,
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setOptions,
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standardizeSafelist,
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} = require("../lib/purgecss");
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async function writeCSSToFile(filePath, css) {
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try {
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await fs.promises.writeFile(filePath, css);
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} catch (err) {
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console.error(err.message);
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}
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}
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program
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.usage("--css <css...> --content <content...> [options]")
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.option("-con, --content <files...>", "glob of content files")
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.option("-css, --css <files...>", "glob of css files")
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.option("-c, --config <path>", "path to the configuration file")
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.option(
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"-o, --output <path>",
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"file path directory to write purged css files to"
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)
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.option("-font, --font-face", "option to remove unused font-faces")
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.option("-keyframes, --keyframes", "option to remove unused keyframes")
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.option("-rejected, --rejected", "option to output rejected selectors")
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.option(
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"-s, --safelist <list...>",
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"list of classes that should not be removed"
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)
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.option(
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"-b, --blocklist <list...>",
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"list of selectors that should be removed"
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)
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.option(
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"-k, --skippedContentGlobs <list...>",
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"list of glob patterns for folders/files that should not be scanned"
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);
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program.parse(process.argv);
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const run = async () => {
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// config file is not specified or the content and css are not,
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// PurgeCSS will not run
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if (!program.config && !(program.content && program.css)) {
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program.help();
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}
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// if the config file is present, use it
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// other options specified will override
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let options = defaultOptions;
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if (program.config) {
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options = await setOptions(program.config);
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}
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if (program.content) options.content = program.content;
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if (program.css) options.css = program.css;
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if (program.fontFace) options.fontFace = program.fontFace;
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if (program.keyframes) options.keyframes = program.keyframes;
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if (program.rejected) options.rejected = program.rejected;
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if (program.variables) options.variables = program.variables;
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if (program.safelist) options.safelist = standardizeSafelist(program.safelist);
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if (program.blocklist) options.blocklist = program.blocklist;
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if (program.skippedContentGlobs) options.skippedContentGlobs = program.skippedContentGlobs;
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const purged = await new PurgeCSS().purge(options);
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const output = options.output || program.output;
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// output results in specified directory
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if (output) {
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if (purged.length === 1 && output.endsWith(".css")) {
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await writeCSSToFile(output, purged[0].css);
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return;
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}
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for (const purgedResult of purged) {
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const fileName = purgedResult.file.split("/").pop();
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await writeCSSToFile(`${output}/${fileName}`, purgedResult.css);
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}
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} else {
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console.log(JSON.stringify(purged));
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}
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};
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try {
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run();
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} catch (error) {
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console.error(error.message);
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process.exit(1);
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}
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