@tiny-css/compiler
Version:
The compiler for compiling & reducing the bundle size of tiny-css
183 lines (182 loc) • 8.85 kB
JavaScript
;
/**
* @author KR Tirtho
* Flow:
* input.html--------->defined classnames----------->filter tiny-css classnames--------->
* |
* |---------------------------grab css objects from stylesheet.css relatively<----------|
* |
* |------>check output.css to not write same style twice------->write to output.css
*/
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Object.defineProperty(exports, "__esModule", { value: true });
var fs = __importStar(require("fs"));
var path_1 = require("path");
var css_1 = __importDefault(require("css"));
var yargs_1 = __importDefault(require("yargs"));
var chalk_1 = __importDefault(require("chalk"));
var getCssObjects_1 = require("./src/getCssObjects");
var getClassnames_1 = require("./src/getClassnames");
var filterWithClassnames_1 = require("./src/filterWithClassnames");
var buildCSSClass_1 = require("./src/buildCSSClass");
var ASTTypes_1 = require("./src/utils/ASTTypes");
var argv = yargs_1.default
.command("$0", "HTML File Glob Pattern", {
input: {
alias: "i",
description: "CSS Input file which will be used to retrieve style objects. This can be a fs path or a cdn link",
demandOption: true,
},
"cdn-version": {
alias: "c",
description: "The version of the css input file. Important if `--disable-cache` option is not enabled & files are cached. This is used to determine the cache file location. Not required if using fs path",
default: "0.0.1",
defaultDescription: "0.0.1",
},
output: {
alias: "o",
description: "CSS Output file",
default: path_1.join(process.cwd(), "tiny.output.css"),
defaultDescription: "{cwd}/tiny.output.css",
},
debug: {
type: "boolean",
alias: "d",
description: "Outputs verbose information about the currently running process",
default: false,
defaultDescription: "false",
},
cwd: {
description: "Custom current working directory",
default: process.cwd(),
defaultDescription: "process.cwd()",
},
ignore: {
type: "array",
description: "An array glob pattern to ignore the path for file searching",
default: ["node_modules"],
defaultDescription: "./node_modules/**/*",
},
"disable-cache": {
boolean: true,
description: "Disable caching stylesheets",
default: false,
defaultDescription: "false",
},
})
.help()
.alias("help", "h").argv;
var version = JSON.parse(fs.readFileSync(path_1.join(__dirname, "..", "package.json"), "utf-8")).version;
var tinyCssCredits = "/*!\n * CSS Generated using @tiny-css/compiler@" + version + "\n * @author KR.Tirtho\n * \u00A9Copyright 2020 KR.Tirtho\n * Licensed under MIT (https://github.com/tiny-css/compiler/blob/master/LICENSE)\n */\n\n";
var cwd = argv.cwd || process.cwd();
var config = {
cwd: cwd,
ignore: argv.ignore,
debug: argv.debug,
dot: true,
};
getClassnames_1.getClassnames(argv._[0], config)
.then(function (classnames) { return __awaiter(void 0, void 0, void 0, function () {
var providedClassnames, filteredClassnames, cssObj, cssStr, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 3, , 4]);
if (!classnames) {
console.warn(chalk_1.default.yellowBright("⚠ No classnames defined in any HTML files"));
process.exit(0);
}
return [4 /*yield*/, buildCSSClass_1.buildCSSClass(argv.input, { disabledCache: argv["disable-cache"], version: argv["cdn-version"] })];
case 1:
providedClassnames = _a.sent();
filteredClassnames = filterWithClassnames_1.filterWithClassnames(classnames, providedClassnames.classnames);
cssObj = getCssObjects_1.getCssObjects(providedClassnames.stylesheetObj, filteredClassnames);
if (!cssObj) {
console.error(chalk_1.default.redBright("\u274C No CSS Style Declaration found relative to " + argv._[0] + " in provided " + argv.input));
process.exit(0);
}
cssStr = css_1.default.stringify({
type: ASTTypes_1.ASTTypes.stylesheet,
stylesheet: {
rules: cssObj,
parsingErrors: [],
},
});
return [4 /*yield*/, fs.promises.writeFile(argv.output, "" + tinyCssCredits + cssStr, {
encoding: "utf-8",
})];
case 2:
_a.sent();
console.log(chalk_1.default.greenBright("\u2714 Writing declaration to " + argv.output + " completed"));
return [3 /*break*/, 4];
case 3:
error_1 = _a.sent();
console.error(chalk_1.default.redBright("⁉ Something went wrong"));
console.error(error_1);
return [3 /*break*/, 4];
case 4: return [2 /*return*/];
}
});
}); })
.catch(function (error) {
console.error(chalk_1.default.redBright("⁉ Something went wrong"));
console.error(error);
});