const path = require("path");
const { expect } = require("chai");
const { rollup } = require("rollup");
const { terser } = require("rollup-plugin-terser");
const postcss = require("rollup-plugin-postcss");
import { InjectTag } from "../constants";
import {
OutputAsset,
OutputChunk,
RollupBuild,
RollupOutput,
} from "../types/rollup";
const bundleInject = require("../../dist/index");
const input: string = "main.js";
const htmlPath: string = path.resolve(__dirname, "./fixtures/default.html");
const htmlFileName: string = path.basename(htmlPath);
const jsCode: string =
'import "./style.css"; const a = 1; const b = 2; function sum(a, b) { return a + b; }; console.log(sum(a, b));';
const cssCode: string =
'*{padding:0;margin:0;}body{font-size:12px;font-family:"Arial";}ul{list-style:none;}';
const cssBundleName: string = "bundle.css";
let bundle: RollupBuild;
let generated: RollupOutput;
let output: [OutputChunk, ...(OutputChunk | OutputAsset)[]];
describe("test: default", () => {
beforeEach(async () => {
bundle = await rollup({
input,
plugins: [
terser(),
postcss({
extract: true,
}),
{
name: "fake-plugin",
resolveId(source: string) {
return source;
},
load(id: string) {
if (id === "./style.css") {
this.emitFile({
type: "asset",
fileName: cssBundleName,
source: cssCode,
});
return cssCode;
}
if (id === "main.js") return jsCode;
return null;
},
},
bundleInject({
target: htmlPath,
}),
],
});
generated = await bundle.generate({ format: "es" });
output = generated.output;
});
it("css bundle should be injected into the end of the tag by default", async () => {
let cssBundle: string | Uint8Array = "",
htmlBundle: string | Uint8Array = "";
for (let i = 0; i < output.length; i++) {
let item: OutputChunk | OutputAsset = output[i];
if (item.fileName === cssBundleName && "source" in item) {
cssBundle = item.source;
} else if (item.fileName === htmlFileName && "source" in item) {
htmlBundle = item.source;
}
}
cssBundle =
typeof cssBundle === "string"
? cssBundle.trim()
: new TextDecoder("utf-8").decode(cssBundle).trim();
htmlBundle =
typeof htmlBundle === "string"
? htmlBundle
: new TextDecoder("utf-8").decode(htmlBundle);
expect(htmlBundle.match(InjectTag.HEAD_TAG)).to.have.lengthOf(1);
expect(htmlBundle).to.include("");
});
it("js bundle should be injected into the end of the tag by default", async () => {
let jsBundle: string = "",
htmlBundle: string | Uint8Array = "";
for (let i = 0; i < output.length; i++) {
let item: OutputChunk | OutputAsset = output[i];
if (item.fileName === input && "code" in item) {
jsBundle = item.code;
} else if (item.fileName === htmlFileName && "source" in item) {
htmlBundle = item.source;
}
}
jsBundle = jsBundle.trim();
htmlBundle =
typeof htmlBundle === "string"
? htmlBundle
: new TextDecoder("utf-8").decode(htmlBundle);
expect(htmlBundle.match(InjectTag.BODY_TAG)).to.have.lengthOf(1);
expect(htmlBundle).to.include("");
});
});