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feat: support edge wasm module and asset similar to Next.js (#618)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| import crypto from "node:crypto"; | ||
| import fs from "node:fs"; | ||
| import path from "node:path"; | ||
| import type * as esbuild from "esbuild"; | ||
| import MagicString from "magic-string"; | ||
|
|
||
| // cf. https://github.com/hi-ogawa/vite-plugins/blob/998561660c8a27e067e976d4ede9dca53984d41a/packages/pre-bundle-new-url/src/index.ts#L26 | ||
| export function esbuildPluginAssetImportMetaUrl(): esbuild.Plugin { | ||
| return { | ||
| name: esbuildPluginAssetImportMetaUrl.name, | ||
| setup(build) { | ||
| let outdir: string; | ||
| build.onStart(() => { | ||
| if (build.initialOptions.outdir) { | ||
| outdir = build.initialOptions.outdir; | ||
| } | ||
| if (build.initialOptions.outfile) { | ||
| outdir = path.dirname(build.initialOptions.outfile); | ||
| } | ||
| if (!outdir) { | ||
| throw new Error("unreachable"); | ||
| } | ||
| }); | ||
|
|
||
| build.onLoad( | ||
| { filter: /\.[cm]?js$/, namespace: "file" }, | ||
| async (args) => { | ||
| const data = await fs.promises.readFile(args.path, "utf-8"); | ||
| if (data.includes("import.meta.url")) { | ||
| const output = new MagicString(data); | ||
|
|
||
| // replace | ||
| // new URL("./xxx.bin", import.meta.url) | ||
| // with | ||
| // new URL("./__asset-xxx-(hash).bin", import.meta.url) | ||
| const matches = data.matchAll(assetImportMetaUrlRE); | ||
| for (const match of matches) { | ||
| const [urlStart, urlEnd] = match.indices![1]!; | ||
| const url = match[1]!.slice(1, -1); | ||
| if (url[0] !== "/") { | ||
| const absUrl = path.resolve(path.dirname(args.path), url); | ||
| if (fs.existsSync(absUrl)) { | ||
| const assetData = await fs.promises.readFile(absUrl); | ||
| const hash = crypto | ||
| .createHash("sha1") | ||
| .update(assetData) | ||
| .digest() | ||
| .toString("hex") | ||
| .slice(0, 8); | ||
| const name = path | ||
| .basename(absUrl) | ||
| .replace(/[^0-9a-zA-Z]/g, "_"); | ||
| const filename = | ||
| `__asset-${name}-${hash}` + path.extname(absUrl); | ||
| await fs.promises.writeFile( | ||
| path.join(outdir, filename), | ||
| assetData, | ||
| ); | ||
| output.update( | ||
| urlStart, | ||
| urlEnd, | ||
| JSON.stringify(`./${filename}`), | ||
| ); | ||
| } | ||
| } | ||
| } | ||
| if (output.hasChanged()) { | ||
| return { | ||
| loader: "js", | ||
| contents: output.toString(), | ||
| }; | ||
| } | ||
| } | ||
| return null; | ||
| }, | ||
| ); | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| // https://github.com/vitejs/vite/blob/0f56e1724162df76fffd5508148db118767ebe32/packages/vite/src/node/plugins/assetImportMetaUrl.ts#L51-L52 | ||
| const assetImportMetaUrlRE = | ||
| /\bnew\s+URL\s*\(\s*('[^']+'|"[^"]+"|`[^`]+`)\s*,\s*import\.meta\.url\s*(?:,\s*)?\)/dg; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| import assert from "node:assert"; | ||
| import { expect, test } from "@playwright/test"; | ||
|
|
||
| test("basic", async ({ page }) => { | ||
| const res = await page.goto("/og?title=Hi"); | ||
| assert(res); | ||
| expect(res.status()).toBe(200); | ||
| expect(res?.headers()).toMatchObject({ "content-type": "image/png" }); | ||
| await expect(page).toHaveScreenshot(); | ||
| }); |
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...react-server/examples/og/e2e/basic.test.ts-snapshots/basic-1-chromium-linux.png
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