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bundler_test.ts
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bundler_test.ts
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import { assertEquals } from "./test_deps.ts";
import { Bundler } from "./bundler.ts";
import { CSSPlugin } from "./plugins/css/css_plugin.ts";
import { JSONPlugin } from "./plugins/json/json_plugin.ts";
import { DependencyFormat, DependencyType } from "./plugins/plugin.ts";
import { TypescriptPlugin } from "./plugins/typescript/typescript_plugin.ts";
import { WebManifestPlugin } from "./plugins/json/webmanifest_plugin.ts";
import { HTMLPlugin } from "./plugins/html/html_plugin.ts";
import { FilePlugin } from "./plugins/file/file.ts";
import { path, resolveImportMap, ts } from "./deps.ts";
const moduleDir = path.dirname(path.fromFileUrl(import.meta.url));
const testdataDir = path.resolve(moduleDir, "testdata");
const typescriptPlugin = new TypescriptPlugin({
newLine: ts.NewLineKind.LineFeed,
});
const cssPlugin = new CSSPlugin();
const jsonPlugin = new JSONPlugin();
const htmlPlugin = new HTMLPlugin();
const webManifestPlugin = new WebManifestPlugin();
const filePlugin = new FilePlugin();
const bundler = new Bundler({
plugins: [
typescriptPlugin,
cssPlugin,
jsonPlugin,
htmlPlugin,
webManifestPlugin,
filePlugin,
],
quiet: true,
});
const root = "dist";
Deno.test({
name: "createAssets",
async fn(t) {
await t.step({
name: "simple",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/simple/a.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
assertEquals(assets, [
{
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
dependencies: [],
},
]);
},
});
await t.step({
name: "linear",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/linear/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/linear/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
assertEquals(assets, [
{
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
dependencies: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
},
{
dependencies: [],
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
]);
},
});
await t.step({
name: "circular a to b",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/circular/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/circular/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
assertEquals(assets, [
{
dependencies: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
{
dependencies: [
{
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
]);
},
});
await t.step({
name: "circular b to a",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/circular/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/circular/b.ts"),
).href;
const assets = await bundler.createAssets([inputB]);
assertEquals(assets, [
{
dependencies: [
{
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
{
dependencies: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
]);
},
});
await t.step({
name: "json module",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/json_module/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/json_module/b.json"),
).href;
const assets = await bundler.createAssets([inputA]);
assertEquals(assets, [
{
dependencies: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Json,
},
],
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
{
dependencies: [],
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Json,
},
]);
},
});
await t.step({
name: "css module",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/css_module/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/css_module/b.css"),
).href;
const assets = await bundler.createAssets([inputA]);
assertEquals(assets, [
{
dependencies: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Style,
},
],
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
{
dependencies: [],
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Style,
},
]);
},
});
await t.step({
name: "importmap",
async fn() {
const inputA =
path.toFileUrl(path.join(testdataDir, "typescript/importmap/a.ts"))
.href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/importmap/b.ts"),
).href;
const importmapPath = path.join(
testdataDir,
"typescript/importmap/import_map.json",
);
const importMap = resolveImportMap(
JSON.parse(await Deno.readTextFile(importmapPath)),
path.toFileUrl(importmapPath),
);
const asset = await bundler.createAssets([inputA], { importMap });
assertEquals(asset, [
{
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
dependencies: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
},
{
dependencies: [],
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
]);
},
});
},
});
Deno.test({
name: "createChunks",
async fn(t) {
await t.step({
name: "linear",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/linear/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/linear/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
]);
},
});
await t.step({
name: "linear split",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/linear/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/linear/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA, inputB], assets, {
root,
});
assertEquals(chunks, [
{
item: {
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
{
item: {
format: DependencyFormat.Script,
input: inputB,
type: DependencyType.ImportExport,
},
dependencyItems: [],
output: await typescriptPlugin.createOutput(inputB, root, ".js"),
},
]);
},
});
await t.step({
name: "circular a to b",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/circular/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/circular/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
format: DependencyFormat.Script,
input: inputA,
type: DependencyType.ImportExport,
},
dependencyItems: [
{
format: DependencyFormat.Script,
input: inputB,
type: DependencyType.ImportExport,
},
],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
]);
},
});
await t.step({
name: "circular b to a",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/circular/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/circular/b.ts"),
).href;
const assets = await bundler.createAssets([inputB]);
const chunks = await bundler.createChunks([inputB], assets, { root });
assertEquals(chunks, [
{
item: {
format: DependencyFormat.Script,
input: inputB,
type: DependencyType.ImportExport,
},
dependencyItems: [
{
format: DependencyFormat.Script,
input: inputA,
type: DependencyType.ImportExport,
},
],
output: await typescriptPlugin.createOutput(inputB, root, ".js"),
},
]);
},
});
await t.step({
name: "circular split",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/circular/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/circular/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA, inputB], assets, {
root,
});
assertEquals(chunks, [
{
item: {
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
{
dependencyItems: [],
item: {
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
output: await typescriptPlugin.createOutput(inputB, root, ".js"),
},
]);
},
});
await t.step({
name: "double import",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/double/import.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/double/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
format: DependencyFormat.Script,
input: inputA,
type: DependencyType.ImportExport,
},
dependencyItems: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
]);
},
});
await t.step({
name: "double export",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/double/export.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/double/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
]);
},
});
await t.step({
name: "double mixed",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/double/mixed.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/double/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
]);
},
});
await t.step({
name: "chain",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/chain/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/chain/b.ts"),
).href;
const c = path.toFileUrl(
path.join(testdataDir, "typescript/chain/c.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
format: DependencyFormat.Script,
input: inputA,
type: DependencyType.ImportExport,
},
dependencyItems: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
{
input: c,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
]);
},
});
await t.step({
name: "chain chain fetch",
async fn() {
const root = "dist";
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/chain_chain_fetch/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/chain_chain_fetch/b.ts"),
).href;
const inputC = path.toFileUrl(
path.join(testdataDir, "typescript/chain_chain_fetch/c.ts"),
).href;
const inputD = path.toFileUrl(
path.join(testdataDir, "typescript/chain_chain_fetch/d.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
dependencyItems: [
{
format: DependencyFormat.Script,
input: inputB,
type: DependencyType.ImportExport,
},
{
format: DependencyFormat.Script,
input: inputC,
type: DependencyType.ImportExport,
},
],
item: {
format: DependencyFormat.Script,
input: inputA,
type: DependencyType.ImportExport,
},
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
{
dependencyItems: [],
item: {
format: DependencyFormat.Script,
input: inputD,
type: DependencyType.Fetch,
},
output: await typescriptPlugin.createOutput(inputD, root, ".js"),
},
]);
},
});
await t.step({
name: "css chain",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/css_chain/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/css_chain/b.css"),
).href;
const c = path.toFileUrl(
path.join(testdataDir, "typescript/css_chain/c.css"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
format: DependencyFormat.Script,
input: inputA,
type: DependencyType.ImportExport,
},
dependencyItems: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Style,
},
{
input: c,
type: DependencyType.ImportExport,
format: DependencyFormat.Style,
},
],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
]);
},
});
await t.step({
name: "shared inline",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/shared/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/shared/b.ts"),
).href;
const c = path.toFileUrl(
path.join(testdataDir, "typescript/shared/c.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
{
input: c,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
]);
},
});
await t.step({
name: "shared split",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/shared/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/shared/b.ts"),
).href;
const c = path.toFileUrl(
path.join(testdataDir, "typescript/shared/c.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA, inputB], assets, {
root,
});
assertEquals(chunks, [
{
item: {
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
{
item: {
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [],
output: await typescriptPlugin.createOutput(inputB, root, ".js"),
},
{
item: {
input: c,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [],
output: await typescriptPlugin.createOutput(c, root, ".js"),
},
]);
},
});
await t.step({
name: "manual split fetch dependencies",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/fetch/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/fetch/b.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
{
item: {
input: inputB,
type: DependencyType.Fetch,
format: DependencyFormat.Script,
},
dependencyItems: [],
output: await typescriptPlugin.createOutput(inputB, root, ".js"),
},
]);
},
});
await t.step({
name: "importmap",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/importmap/a.ts"),
).href;
const inputB = path.toFileUrl(
path.join(testdataDir, "typescript/importmap/b.ts"),
).href;
const importmapPath = path.join(
testdataDir,
"typescript/importmap/import_map.json",
);
const importMap = resolveImportMap(
JSON.parse(await Deno.readTextFile(importmapPath)),
path.toFileUrl(importmapPath),
);
const assets = await bundler.createAssets([inputA], { importMap });
const chunks = await bundler.createChunks([inputA], assets, { root });
assertEquals(chunks, [
{
item: {
input: inputA,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
dependencyItems: [
{
input: inputB,
type: DependencyType.ImportExport,
format: DependencyFormat.Script,
},
],
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
},
]);
},
});
},
});
Deno.test({
name: "createBundles",
async fn(t) {
await t.step({
name: "linear",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/linear/a.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
const bundles = await bundler.createBundles(chunks, { root });
assertEquals(bundles, [{
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
source: `const b = "b";\nconsole.info(b);\n`,
}]);
},
});
await t.step({
name: "css module",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/css_module/a.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
const bundles = await bundler.createBundles(chunks, { root });
assertEquals(bundles, [
{
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
source:
`const b = new CSSStyleSheet();\nb.replaceSync(\`h1 {\n background-color: red;\n}\`);\nconsole.info(b);\n`,
},
]);
},
});
await t.step({
name: "json module",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/json_module/a.ts"),
).href;
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
const bundles = await bundler.createBundles(chunks, { root });
assertEquals(bundles, [
{
output: await typescriptPlugin.createOutput(inputA, root, ".js"),
source:
`const b = JSON.parse(\`{"foo":"bar"}\`);\nconsole.info(b);\n`,
},
]);
},
});
await t.step({
name: "webmanifest",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "html/webmanifest/index.html"),
).href;
const output = await htmlPlugin.createOutput(inputA, root, ".html");
const inputB = path.toFileUrl(path.join(
testdataDir,
"html/webmanifest/manifest.webmanifest",
)).href;
const manifestOutput = await webManifestPlugin.createOutput(
inputB,
root,
".webmanifest",
);
const assets = await bundler.createAssets([inputA]);
const chunks = await bundler.createChunks([inputA], assets, { root });
const bundles = await bundler.createBundles(chunks, { root });
assertEquals(bundles[0], {
output: output,
source:
`<!DOCTYPE html><html><head>\n <link rel="manifest" href="/${
path.relative(path.dirname(output), manifestOutput)
}">\n </head>\n <body>\n \n</body></html>`,
});
const imageOutput1 = await filePlugin
.createOutput(
path.toFileUrl(
path.join(testdataDir, "html/webmanifest/icon-192x192.png"),
).href,
root,
".png",
);
const imageOutput2 = await filePlugin
.createOutput(
path.toFileUrl(
path.join(testdataDir, "html/webmanifest/icon-256x256.png"),
).href,
root,
".png",
);
const imageOutput3 = await filePlugin
.createOutput(
path.toFileUrl(
path.join(testdataDir, "html/webmanifest/icon-384x384.png"),
).href,
root,
".png",
);
const imageOutput4 = await filePlugin
.createOutput(
path.toFileUrl(
path.join(testdataDir, "html/webmanifest/icon-512x512.png"),
).href,
root,
".png",
);
assertEquals(bundles[1], {
output: await webManifestPlugin.createOutput(
inputB,
root,
".webmanifest",
),
source:
`{\n "theme_color": "#0596fa",\n "background_color": "#0596fa",\n "display": "standalone",\n "scope": "/",\n "start_url": "/",\n "name": "Bundler",\n "short_name": "Bundler",\n "icons": [\n {\n "src": "/${
path.relative(path.dirname(manifestOutput), imageOutput1)
}",\n "sizes": "192x192",\n "type": "image/png"\n },\n {\n "src": "/${
path.relative(path.dirname(manifestOutput), imageOutput2)
}",\n "sizes": "256x256",\n "type": "image/png"\n },\n {\n "src": "/${
path.relative(path.dirname(manifestOutput), imageOutput3)
}",\n "sizes": "384x384",\n "type": "image/png"\n },\n {\n "src": "/${
path.relative(path.dirname(manifestOutput), imageOutput4)
}",\n "sizes": "512x512",\n "type": "image/png"\n }\n ]\n}`,
});
},
});
await t.step({
name: "chain",
async fn() {
const inputA = path.toFileUrl(
path.join(testdataDir, "typescript/chain/a.ts"),
).href;