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import { it, expect, describe, afterAll } from "bun:test";
import { resolve } from "path";
Bun.plugin({
name: "boop beep beep",
setup(builder) {
builder.onResolve({ filter: /boop/, namespace: "beep" }, () => ({
path: "boop",
namespace: "beep",
}));
builder.onLoad({ filter: /boop/, namespace: "beep" }, () => ({
contents: `export default 42;`,
loader: "js",
}));
},
});
var objectModuleResult = {
hello: "world",
};
Bun.plugin({
name: "an object module",
setup(builder) {
builder.onResolve({ filter: /.*/, namespace: "obj" }, ({ path }) => ({
path,
namespace: "obj",
}));
builder.onLoad({ filter: /.*/, namespace: "obj" }, () => ({
exports: objectModuleResult,
loader: "object",
}));
},
});
Bun.plugin({
name: "svelte loader",
setup(builder) {
var { compile } = require("svelte/compiler");
var { readFileSync } = require("fs");
builder.onLoad({ filter: /\.svelte$/ }, ({ path }) => ({
contents: compile(readFileSync(path, "utf8"), {
filename: path,
generate: "ssr",
}).js.code,
loader: "js",
}));
},
});
var failingObject;
Bun.plugin({
name: "failing loader",
setup(builder) {
builder.onResolve({ filter: /.*/, namespace: "fail" }, ({ path }) => ({
path,
namespace: "fail",
}));
builder.onLoad({ filter: /.*/, namespace: "fail" }, () => failingObject);
},
});
var laterCode = "";
Bun.plugin({
name: "delayed loader",
setup(builder) {
builder.onResolve({ filter: /.*/, namespace: "delay" }, ({ path }) => ({
namespace: "delay",
path,
}));
builder.onLoad({ filter: /.*/, namespace: "delay" }, ({ path }) => ({
contents: laterCode,
loader: "js",
}));
},
});
describe("require", () => {
it("SSRs `<h1>Hello world!</h1>` with Svelte", () => {
const { default: App } = require("./hello.svelte");
const { html } = App.render();
expect(html).toBe("<h1>Hello world!</h1>");
});
it("beep:boop returns 42", () => {
const result = require("beep:boop");
expect(result.default).toBe(42);
});
it("object module works", () => {
const result = require("obj:boop");
expect(result.hello).toBe(objectModuleResult.hello);
objectModuleResult.there = true;
const result2 = require("obj:boop2");
expect(result.there).toBe(undefined);
expect(result2.there).toBe(objectModuleResult.there);
expect(result2.there).toBe(true);
});
});
describe("dynamic import", () => {
it("SSRs `<h1>Hello world!</h1>` with Svelte", async () => {
const { default: App } = await import("./hello.svelte");
const { html } = App.render();
expect(html).toBe("<h1>Hello world!</h1>");
});
it("beep:boop returns 42", async () => {
const result = await import("beep:boop");
expect(result.default).toBe(42);
});
});
describe("import statement", () => {
it("SSRs `<h1>Hello world!</h1>` with Svelte", async () => {
laterCode = `
import Hello from "${resolve(import.meta.dir, "hello2.svelte")}";
export default Hello;
`;
const { default: SvelteApp } = await import("delay:hello2.svelte");
const { html } = SvelteApp.render();
expect(html).toBe("<h1>Hello world!</h1>");
});
});
describe("errors", () => {
it("valid loaders work", () => {
const validLoaders = ["js", "jsx", "ts", "tsx"];
const inputs = [
"export default 'hi';",
"export default 'hi';",
"export default 'hi';",
"export default 'hi';",
];
for (let i = 0; i < validLoaders.length; i++) {
const loader = validLoaders[i];
const input = inputs[i];
failingObject = { contents: input, loader };
expect(require(`fail:my-file-${loader}`).default).toBe("hi");
}
});
it("invalid loaders throw", () => {
const invalidLoaders = ["blah", "blah2", "blah3", "blah4"];
const inputs = [
"body { background: red; }",
"<h1>hi</h1>",
'{"hi": "there"}',
"hi",
];
for (let i = 0; i < invalidLoaders.length; i++) {
const loader = invalidLoaders[i];
const input = inputs[i];
failingObject = { contents: input, loader };
try {
require(`fail:my-file-${loader}`);
throw -1;
} catch (e) {
if (e === -1) {
throw new Error("Expected error");
}
expect(e.message.length > 0).toBe(true);
}
}
});
it("transpiler errors work", () => {
const invalidLoaders = ["ts"];
const inputs = ["const x: string = -NaNAn../!!;"];
for (let i = 0; i < invalidLoaders.length; i++) {
const loader = invalidLoaders[i];
const input = inputs[i];
failingObject = { contents: input, loader };
try {
require(`fail:my-file-${loader}-3`);
throw -1;
} catch (e) {
if (e === -1) {
throw new Error("Expected error");
}
expect(e.message.length > 0).toBe(true);
}
}
});
it("invalid onLoad objects throw", () => {
const invalidOnLoadObjects = [
{},
{ contents: -1 },
{ contents: "", loader: -1 },
{ contents: "", loader: "klz", resolveDir: -1 },
];
for (let i = 0; i < invalidOnLoadObjects.length; i++) {
failingObject = invalidOnLoadObjects[i];
try {
require(`fail:my-file-${i}-2`);
throw -1;
} catch (e) {
if (e === -1) {
throw new Error("Expected error");
}
expect(e.message.length > 0).toBe(true);
}
}
});
});
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