YeonGyu-Kim
66 lines
2.0 KiB
TypeScript
66 lines
2.0 KiB
TypeScript
import { existsSync } from "node:fs"
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import { describe, expect, test } from "bun:test"
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const DIST_INDEX = "dist/index.js"
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const GLOBAL_BUN_DESTRUCTURE = /^\s*(?:var|let|const)\s*\{[^}]*\}\s*=\s*globalThis\.Bun/gm
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const TOP_LEVEL_REQUIRE_CALL = "__require("
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describe("dist bundle Bun globals", () => {
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test.skipIf(!existsSync(DIST_INDEX))("#given dist bundle #when scanned #then no globalThis.Bun destructures remain", async () => {
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const dist = await Bun.file(DIST_INDEX).text()
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const matches = dist.match(GLOBAL_BUN_DESTRUCTURE) ?? []
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expect(matches).toEqual([])
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})
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test.skipIf(!existsSync(DIST_INDEX))("#given dist bundle #when scanned #then no top-level __require call remains", async () => {
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const dist = await Bun.file(DIST_INDEX).text()
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const offending: string[] = []
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let depth = 0
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for (const [index, line] of dist.split("\n").entries()) {
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if (depth === 0 && line.includes(TOP_LEVEL_REQUIRE_CALL)) {
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offending.push(`${index + 1}: ${line.trim()}`)
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}
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for (const char of line) {
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if (char === "{") {
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depth += 1
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} else if (char === "}") {
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depth -= 1
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if (depth < 0) depth = 0
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}
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}
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}
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expect(offending).toEqual([])
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})
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test.skipIf(!existsSync(DIST_INDEX))("#given dist bundle #when imported under node --input-type=module #then it loads without error", async () => {
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const node = Bun.which("node")
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if (!node) return
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const proc = Bun.spawn({
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cmd: [node, "--input-type=module", "-e", "await import('./dist/index.js'); console.log('node-esm-load-ok')"],
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cwd: process.cwd(),
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stdout: "pipe",
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stderr: "pipe",
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})
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const stdout = await new Response(proc.stdout).text()
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const stderr = await new Response(proc.stderr).text()
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const exitCode = await proc.exited
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expect({
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exitCode,
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stdout: stdout.trim(),
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stderr: stderr.trim(),
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}).toEqual({
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exitCode: 0,
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stdout: "node-esm-load-ok",
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stderr: "",
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})
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})
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})
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