michael/astro
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Remove vite-plugin-fetch (#2460)

Browse source 
This plugin is not used in the project
This commit is contained in:
Jonathan Neal 2022-01-25 09:49:17 -05:00 committed by GitHub
parent 9a0c76a4a5
commit 4c4c801378
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 0 additions and 87 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
packages/astro/src/vite-plugin-fetch/README.md
View file

@ -1,3 +0,0 @@
# vite-plugin-fetch
Adds fetch support in SSR contexts.

84
packages/astro/src/vite-plugin-fetch/index.ts
View file

@ -1,84 +0,0 @@
import type { Plugin } from '../core/vite';
import type { BaseNode, Identifier } from 'estree';
import MagicString from 'magic-string';
import { walk } from 'estree-walker';
// https://github.com/vitejs/vite/discussions/5109#discussioncomment-1450726
function isSSR(options: undefined | boolean | { ssr: boolean }): boolean {
if (options === undefined) {
return false;
}
if (typeof options === 'boolean') {
return options;
}
if (typeof options == 'object') {
return !!options.ssr;
}
return false;
}
// This matches any JS-like file (that we know of)
// See https://regex101.com/r/Cgofir/1
const SUPPORTED_FILES = /\.(astro|svelte|vue|[cm]?js|jsx|[cm]?ts|tsx)$/;
const IGNORED_MODULES = [/astro\/dist\/runtime\/server/, /\/node-fetch\//];
const DEFINE_FETCH = `import fetch from 'node-fetch';\n`;
function isIdentifier(node: BaseNode): node is Identifier {
return node.type === 'Identifier';
}
export default function pluginFetch(): Plugin {
return {
name: '@astrojs/vite-plugin-fetch',
enforce: 'post',
async transform(code, id, opts) {
const ssr = isSSR(opts);
// If this isn't an SSR pass, `fetch` will already be available!
if (!ssr) {
return null;
}
// Only transform JS-like files
if (!id.match(SUPPORTED_FILES)) {
return null;
}
// Optimization: only run on probable matches
if (!code.includes('fetch')) {
return null;
}
const ast = this.parse(code);
let fetchDeclared = false;
walk(ast, {
enter(node, parent) {
if (fetchDeclared) return this.skip();
if (isIdentifier(node)) {
// Identifier is OK in any type of Expression (CallExpression, UnaryExpression, etc)
if (node.name === 'fetch' && !parent.type.endsWith('Expression')) {
fetchDeclared = true;
}
}
},
});
// Fetch is already declared, do not inject a re-declaration!
if (fetchDeclared) {
return null;
}
// Ignore specific modules
for (const ignored of IGNORED_MODULES) {
if (id.match(ignored)) {
return null;
}
}
const s = new MagicString(code);
s.prepend(DEFINE_FETCH);
const result = s.toString();
const map = s.generateMap({
source: id,
includeContent: true,
});
return { code: result, map };
},
};
}