1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
import type { AstroAdapter, AstroConfig, AstroIntegration } from 'astro';
import esbuild from 'esbuild';
import { relative as relativePath } from 'node:path';
import { fileURLToPath } from 'node:url';
import {
defaultImageConfig,
getImageConfig,
throwIfAssetsNotEnabled,
type VercelImageConfig,
} from '../image/shared.js';
import { exposeEnv } from '../lib/env.js';
import {
copyFilesToFunction,
getFilesFromFolder,
getVercelOutput,
removeDir,
writeJson,
} from '../lib/fs.js';
import { getRedirects } from '../lib/redirects.js';
const PACKAGE_NAME = '@astrojs/vercel/edge';
function getAdapter(): AstroAdapter {
return {
name: PACKAGE_NAME,
serverEntrypoint: `${PACKAGE_NAME}/entrypoint`,
exports: ['default'],
};
}
export interface VercelEdgeConfig {
includeFiles?: string[];
analytics?: boolean;
imageService?: boolean;
imagesConfig?: VercelImageConfig;
}
export default function vercelEdge({
includeFiles = [],
analytics,
imageService,
imagesConfig,
}: VercelEdgeConfig = {}): AstroIntegration {
let _config: AstroConfig;
let buildTempFolder: URL;
let functionFolder: URL;
let serverEntry: string;
return {
name: PACKAGE_NAME,
hooks: {
'astro:config:setup': ({ command, config, updateConfig, injectScript }) => {
if (command === 'build' && analytics) {
injectScript('page', 'import "@astrojs/vercel/analytics"');
}
const outDir = getVercelOutput(config.root);
const viteDefine = exposeEnv(['VERCEL_ANALYTICS_ID']);
updateConfig({
outDir,
build: {
serverEntry: 'entry.mjs',
client: new URL('./static/', outDir),
server: new URL('./dist/', config.root),
},
vite: {
define: viteDefine,
},
...getImageConfig(imageService, imagesConfig, command),
});
},
'astro:config:done': ({ setAdapter, config }) => {
throwIfAssetsNotEnabled(config, imageService);
setAdapter(getAdapter());
_config = config;
buildTempFolder = config.build.server;
functionFolder = new URL('./functions/render.func/', config.outDir);
serverEntry = config.build.serverEntry;
if (config.output === 'static') {
throw new Error(`
[@astrojs/vercel] \`output: "server"\` is required to use the edge adapter.
`);
}
},
'astro:build:setup': ({ vite, target }) => {
if (target === 'server') {
vite.resolve ||= {};
vite.resolve.alias ||= {};
const aliases = [{ find: 'react-dom/server', replacement: 'react-dom/server.browser' }];
if (Array.isArray(vite.resolve.alias)) {
vite.resolve.alias = [...vite.resolve.alias, ...aliases];
} else {
for (const alias of aliases) {
(vite.resolve.alias as Record<string, string>)[alias.find] = alias.replacement;
}
}
vite.ssr ||= {};
vite.ssr.target = 'webworker';
// Vercel edge runtime is a special webworker-ish environment that supports process.env,
// but Vite would replace away `process.env` in webworkers, so we set a define here to prevent it
vite.define = {
'process.env': 'process.env',
...vite.define,
};
}
},
'astro:build:done': async ({ routes }) => {
const entry = new URL(serverEntry, buildTempFolder);
const generatedFiles = await getFilesFromFolder(buildTempFolder);
const entryPath = fileURLToPath(entry);
await esbuild.build({
target: 'es2020',
platform: 'browser',
// https://runtime-keys.proposal.wintercg.org/#edge-light
conditions: ['edge-light', 'worker', 'browser'],
entryPoints: [entryPath],
outfile: entryPath,
allowOverwrite: true,
format: 'esm',
bundle: true,
minify: true,
});
// Copy entry and other server files
const commonAncestor = await copyFilesToFunction(
[...generatedFiles, ...includeFiles.map((file) => new URL(file, _config.root))],
functionFolder
);
// Remove temporary folder
await removeDir(buildTempFolder);
// Edge function config
// https://vercel.com/docs/build-output-api/v3#vercel-primitives/edge-functions/configuration
await writeJson(new URL(`./.vc-config.json`, functionFolder), {
runtime: 'edge',
entrypoint: relativePath(commonAncestor, entryPath),
});
// Output configuration
// https://vercel.com/docs/build-output-api/v3#build-output-configuration
await writeJson(new URL(`./config.json`, _config.outDir), {
version: 3,
routes: [
...getRedirects(routes, _config),
{ handle: 'filesystem' },
{ src: '/.*', dest: 'render' },
],
...(imageService || imagesConfig
? { images: imagesConfig ? imagesConfig : defaultImageConfig }
: {}),
});
},
},
};
}
|
