vite-plugin-generate-html
Version:
A Vite plugin to generate separate output files for JavaScript and CSS bundles with customizable attributes.
140 lines • 9.07 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 = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["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 };
}
};
import { promises as fsPromises } from "fs";
function generateHtmlFiles(_a) {
var _b = _a.publicDir, publicDir = _b === void 0 ? "/dist/" : _b, jsEntryFile = _a.jsEntryFile, cssEntryFile = _a.cssEntryFile, _c = _a.output, output = _c === void 0 ? [] : _c, _d = _a.chunks, chunks = _d === void 0 ? [] : _d;
if (!jsEntryFile) {
throw new Error("Configuration error: 'jsEntryFile' is required.");
}
if (!cssEntryFile) {
throw new Error("Configuration error: 'cssEntryFile' is required.");
}
if (!Array.isArray(output)) {
throw new Error("Configuration error: 'output' must be an array.");
}
var defaultScriptElementAttributes = ['type="module"'];
var defaultLinkElementAttributes = ['media="all"'];
return {
name: "vite-plugin-generate-html",
generateBundle: function (_options, bundle) {
return __awaiter(this, void 0, void 0, function () {
var entryScripts, scripts, error_1, links, error_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
entryScripts = Object.values(bundle)
.filter(function (chunk) { return chunk.type === "chunk" && chunk.isEntry; })
.filter(function (chunk) {
if (chunks.length > 0) {
return chunk.name && chunks.includes(chunk.name);
}
return true;
});
if (entryScripts.length === 0) {
throw new Error("No application entry points found. Please define at least one entry point in your Vite configuration.");
}
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
scripts = entryScripts
.map(function (chunk) {
// Use default attributes if no output configuration is provided
if (output.length === 0) {
return "<script ".concat(defaultScriptElementAttributes.join(" "), " src=\"").concat(publicDir).concat(chunk.fileName, "\"></script>");
}
// Find matching entry in the output configuration
var matchingEntry = output.find(function (entry) { return entry[chunk.name]; });
if (!matchingEntry) {
throw new Error("Output configuration error: No matching key found for entry point \"".concat(chunk.name, "\"."));
}
var scriptElementAttributes = matchingEntry[chunk.name].attrs;
if (!Array.isArray(scriptElementAttributes)) {
throw new Error("Output configuration error: 'attrs' for entry point \"".concat(chunk.name, "\" must be an array."));
}
return "<script ".concat(scriptElementAttributes.join(" "), " src=\"").concat(publicDir).concat(chunk.fileName, "\"></script>");
})
.join("\n");
return [4 /*yield*/, fsPromises.writeFile(jsEntryFile, scripts)];
case 2:
_a.sent();
return [3 /*break*/, 4];
case 3:
error_1 = _a.sent();
if (error_1 instanceof Error) {
throw new Error("Failed to write <script> elements to '".concat(jsEntryFile, "': ").concat(error_1.message));
}
throw new Error("Failed to write <script> elements to '".concat(jsEntryFile, "'."));
case 4:
_a.trys.push([4, 6, , 7]);
links = entryScripts
.filter(function (chunk) { return chunk.viteMetadata.importedCss.size > 0; })
.map(function (chunk) {
var linkAttrs = defaultLinkElementAttributes;
// Find matching entry in the output configuration
var matchingEntry = output.find(function (entry) { return entry[chunk.name]; });
if (matchingEntry) {
if (!Array.isArray(matchingEntry[chunk.name].linkAttrs)) {
throw new Error("Output configuration error: 'linkAttrs' for entry point \"".concat(chunk.name, "\" must be an array."));
}
linkAttrs = matchingEntry[chunk.name].linkAttrs;
}
return Array.from(chunk.viteMetadata.importedCss)
.map(function (fileName) {
return "<link href=\"".concat(publicDir).concat(fileName, "\" rel=\"stylesheet\" ").concat(linkAttrs.join(" "), " />");
})
.join("\n");
})
.join("\n");
return [4 /*yield*/, fsPromises.writeFile(cssEntryFile, links)];
case 5:
_a.sent();
return [3 /*break*/, 7];
case 6:
error_2 = _a.sent();
if (error_2 instanceof Error) {
throw new Error("Failed to write <link> elements to '".concat(cssEntryFile, "': ").concat(error_2.message));
}
throw new Error("Failed to write <link> elements to '".concat(cssEntryFile, "'."));
case 7: return [2 /*return*/];
}
});
});
},
};
}
export default generateHtmlFiles;
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