@mayank1513/esbuild-plugin-css-module
Version:
ESBuild plugin to handle CSS modules
162 lines (161 loc) • 8.42 kB
JavaScript
;
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 __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var node_fs_1 = __importDefault(require("node:fs"));
var node_path_1 = __importDefault(require("node:path"));
var postcss_1 = __importDefault(require("postcss"));
var postcss_modules_1 = __importDefault(require("postcss-modules"));
var autoprefixer_1 = __importDefault(require("autoprefixer"));
var sass_1 = require("sass");
var uuid = function () { return (Date.now() * Math.random()).toString(36).slice(0, 8); };
function applyAutoPrefixer(build, options, write) {
var _this = this;
build.onEnd(function (result) { return __awaiter(_this, void 0, void 0, function () {
var _i, _a, f, css;
var _b, _c, _d;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
if (!!options.skipAutoPrefixer) return [3 /*break*/, 4];
_i = 0, _a = ((_b = result.outputFiles) === null || _b === void 0 ? void 0 : _b.filter(function (f) { return f.path.match(/\.css$/); })) || [];
_e.label = 1;
case 1:
if (!(_i < _a.length)) return [3 /*break*/, 4];
f = _a[_i];
return [4 /*yield*/, (0, postcss_1.default)([autoprefixer_1.default]).process(f.text, { from: f.path })];
case 2:
css = (_e.sent()).css;
f.contents = new TextEncoder().encode(css);
_e.label = 3;
case 3:
_i++;
return [3 /*break*/, 1];
case 4:
if (!options.keepModules) {
result.outputFiles = (_c = result.outputFiles) === null || _c === void 0 ? void 0 : _c.filter(function (file) { return !file.path.match(/\.module\.(css|js)$/); });
}
/** assume true if undefined */
if (write === undefined || write) {
(_d = result.outputFiles) === null || _d === void 0 ? void 0 : _d.forEach(function (file) {
node_fs_1.default.mkdirSync(node_path_1.default.dirname(file.path), { recursive: true });
node_fs_1.default.writeFileSync(file.path, file.contents);
});
}
return [2 /*return*/];
}
});
}); });
}
function handleScss(build) {
build.onLoad({ filter: /\.s(c|a)ss$/, namespace: "file" }, function (args) { return ({
contents: (0, sass_1.compile)(args.path).css,
loader: "css",
}); });
}
function handleModules(build, _a) {
var _this = this;
var generateScopedName = _a.generateScopedName;
var namespace = "scss-module";
var filter = /\.module\.(sc|sa|c)ss/;
build.onResolve({ filter: filter, namespace: "file" }, function (args) { return ({
path: "".concat(args.path, "#").concat(namespace),
namespace: namespace,
pluginData: {
pathDir: node_path_1.default.join(args.resolveDir, args.path),
},
}); });
build.onLoad({ filter: new RegExp("#".concat(namespace, "$")), namespace: namespace }, function (args) { return __awaiter(_this, void 0, void 0, function () {
var pluginData, source, cssModule, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
pluginData = args.pluginData;
source = (0, sass_1.compile)(pluginData.pathDir).css;
cssModule = {};
return [4 /*yield*/, (0, postcss_1.default)([
(0, postcss_modules_1.default)({
getJSON: function (_, json) {
cssModule = json;
},
generateScopedName: generateScopedName,
}),
]).process(source, { from: pluginData.pathDir })];
case 1:
result = _a.sent();
return [2 /*return*/, {
pluginData: { css: result.css },
contents: "import \"".concat(pluginData.pathDir, "\"; export default ").concat(JSON.stringify(cssModule)),
}];
}
});
}); });
build.onResolve({ filter: filter, namespace: namespace }, function (args) { return ({
path: node_path_1.default.join(args.resolveDir, args.path, "#".concat(namespace, "-data")),
namespace: namespace,
pluginData: args.pluginData,
}); });
build.onLoad({ filter: new RegExp("#".concat(namespace, "-data$")), namespace: namespace }, function (args) { return ({
contents: args.pluginData.css,
loader: "css",
}); });
}
function resolveScopedName(options) {
var _a;
var globalPrefix = (_a = options.globalPrefix) !== null && _a !== void 0 ? _a : "";
options.generateScopedName = function (name, filename) {
return (globalPrefix ? "".concat(globalPrefix, "__") : "") + "".concat(node_path_1.default.basename(filename).split(".")[0], "__").concat(name);
};
}
var cssModulePlugin = function (options) {
if (options === void 0) { options = {}; }
return ({
name: "esbuild-plugin-react18-css-" + uuid(),
setup: function (build) {
var write = build.initialOptions.write;
build.initialOptions.write = false;
if (!options.generateScopedName)
resolveScopedName(options);
handleModules(build, options);
handleScss(build);
applyAutoPrefixer(build, options, write);
},
});
};
module.exports = cssModulePlugin;