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
165
166
167
168
169
170
171
172
173
174
175
176
|
import type { AstroAdapter, AstroConfig, AstroIntegration, BuildConfig, RouteData } from 'astro';
import esbuild from 'esbuild';
import * as fs from 'fs';
import * as npath from 'path';
import { fileURLToPath } from 'url';
import type { Plugin as VitePlugin } from 'vite';
import { createRedirects } from './shared.js';
const SHIM = `globalThis.process = {
argv: [],
env: {},
};`;
export function getAdapter(): AstroAdapter {
return {
name: '@astrojs/netlify/edge-functions',
serverEntrypoint: '@astrojs/netlify/netlify-edge-functions.js',
exports: ['default'],
};
}
interface NetlifyEdgeFunctionsOptions {
dist?: URL;
}
interface NetlifyEdgeFunctionManifestFunctionPath {
function: string;
path: string;
}
interface NetlifyEdgeFunctionManifestFunctionPattern {
function: string;
pattern: string;
}
type NetlifyEdgeFunctionManifestFunction =
| NetlifyEdgeFunctionManifestFunctionPath
| NetlifyEdgeFunctionManifestFunctionPattern;
interface NetlifyEdgeFunctionManifest {
functions: NetlifyEdgeFunctionManifestFunction[];
version: 1;
}
async function createEdgeManifest(routes: RouteData[], entryFile: string, dir: URL) {
const functions: NetlifyEdgeFunctionManifestFunction[] = [];
for (const route of routes) {
if (route.pathname) {
functions.push({
function: entryFile,
path: route.pathname,
});
} else {
functions.push({
function: entryFile,
pattern: route.pattern.toString(),
});
}
}
const manifest: NetlifyEdgeFunctionManifest = {
functions,
version: 1,
};
const baseDir = new URL('./.netlify/edge-functions/', dir);
await fs.promises.mkdir(baseDir, { recursive: true });
const manifestURL = new URL('./manifest.json', baseDir);
const _manifest = JSON.stringify(manifest, null, ' ');
await fs.promises.writeFile(manifestURL, _manifest, 'utf-8');
}
async function bundleServerEntry(buildConfig: BuildConfig, vite: any) {
const entryUrl = new URL(buildConfig.serverEntry, buildConfig.server);
const pth = fileURLToPath(entryUrl);
await esbuild.build({
target: 'es2020',
platform: 'browser',
entryPoints: [pth],
outfile: pth,
allowOverwrite: true,
format: 'esm',
bundle: true,
external: ['@astrojs/markdown-remark'],
banner: {
js: SHIM,
}
});
// Remove chunks, if they exist. Since we have bundled via esbuild these chunks are trash.
try {
const chunkFileNames =
vite?.build?.rollupOptions?.output?.chunkFileNames ?? 'chunks/chunk.[hash].mjs';
const chunkPath = npath.dirname(chunkFileNames);
const chunksDirUrl = new URL(chunkPath + '/', buildConfig.server);
await fs.promises.rm(chunksDirUrl, { recursive: true, force: true });
} catch {}
}
export function netlifyEdgeFunctions({ dist }: NetlifyEdgeFunctionsOptions = {}): AstroIntegration {
let _config: AstroConfig;
let entryFile: string;
let _buildConfig: BuildConfig;
let _vite: any;
return {
name: '@astrojs/netlify/edge-functions',
hooks: {
'astro:config:setup': ({ config, updateConfig }) => {
if (dist) {
config.outDir = dist;
} else {
config.outDir = new URL('./dist/', config.root);
}
// Add a plugin that shims the global environment.
const injectPlugin: VitePlugin = {
name: '@astrojs/netlify/plugin-inject',
generateBundle(_options, bundle) {
if (_buildConfig.serverEntry in bundle) {
const chunk = bundle[_buildConfig.serverEntry];
if (chunk && chunk.type === 'chunk') {
chunk.code = `globalThis.process = { argv: [], env: {}, };${chunk.code}`;
}
}
},
};
updateConfig({
vite: {
plugins: [injectPlugin],
},
});
},
'astro:config:done': ({ config, setAdapter }) => {
setAdapter(getAdapter());
_config = config;
},
'astro:build:start': async ({ buildConfig }) => {
_buildConfig = buildConfig;
entryFile = buildConfig.serverEntry.replace(/\.m?js/, '');
buildConfig.client = _config.outDir;
buildConfig.server = new URL('./.netlify/edge-functions/', _config.root);
buildConfig.serverEntry = 'entry.js';
},
'astro:build:setup': ({ vite, target }) => {
if (target === 'server') {
_vite = vite;
vite.resolve = vite.resolve || {};
vite.resolve.alias = 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 = {
noExternal: true,
};
}
},
'astro:build:done': async ({ routes, dir }) => {
await bundleServerEntry(_buildConfig, _vite);
await createEdgeManifest(routes, entryFile, _config.root);
await createRedirects(routes, dir, entryFile, true);
},
},
};
}
export { netlifyEdgeFunctions as default };
|