152 lines
4.1 KiB
JavaScript
152 lines
4.1 KiB
JavaScript
import { fileURLToPath } from 'node:url';
|
|
import { promisify } from 'node:util';
|
|
import { hasProtocol } from 'ufo';
|
|
import enhancedResolve from 'enhanced-resolve';
|
|
import { isNodeBuiltin, isValidNodeImport } from 'mlly';
|
|
import { extname } from 'pathe';
|
|
|
|
const ProtocolRegex = /^(?<proto>.{2,}):.+$/;
|
|
function getProtocol(id) {
|
|
const proto = id.match(ProtocolRegex);
|
|
return proto ? proto.groups.proto : null;
|
|
}
|
|
function matches(input, matchers, context) {
|
|
return matchers.some((matcher) => {
|
|
if (matcher instanceof RegExp) {
|
|
return matcher.test(input);
|
|
}
|
|
if (typeof matcher === "function") {
|
|
return matcher(input, context);
|
|
}
|
|
return false;
|
|
});
|
|
}
|
|
function toMatcher(pattern) {
|
|
if (typeof pattern !== "string") {
|
|
return pattern;
|
|
}
|
|
pattern = pattern.replace(/\//g, "[\\\\/+]");
|
|
return new RegExp(`([\\/]|^)${pattern}(@[^\\/]*)?([\\/](?!node_modules)|$)`);
|
|
}
|
|
function getType(id, fallback = "commonjs") {
|
|
if (id.endsWith(".cjs")) {
|
|
return "commonjs";
|
|
}
|
|
if (id.endsWith(".mjs")) {
|
|
return "module";
|
|
}
|
|
return fallback;
|
|
}
|
|
|
|
const DefaultResolveOptions = {
|
|
extensions: [".ts", ".mjs", ".cjs", ".js", ".json"],
|
|
type: "commonjs"
|
|
};
|
|
async function resolveId(id, base = ".", options = {}) {
|
|
options = { ...DefaultResolveOptions, ...options };
|
|
if (!options.conditionNames) {
|
|
options.conditionNames = [options.type === "commonjs" ? "require" : "import"];
|
|
}
|
|
if (isNodeBuiltin(id)) {
|
|
return {
|
|
id: id.replace(/^node:/, ""),
|
|
path: id,
|
|
type: options.type,
|
|
external: true
|
|
};
|
|
}
|
|
if (id.startsWith("file:/")) {
|
|
id = fileURLToPath(id);
|
|
}
|
|
if (hasProtocol(id)) {
|
|
const url = new URL(id);
|
|
return {
|
|
id: url.href,
|
|
path: url.pathname,
|
|
type: getType(id, options.type),
|
|
external: true
|
|
};
|
|
}
|
|
if (base.includes("\0")) {
|
|
base = options.roots?.[0] || ".";
|
|
}
|
|
const _resolve = promisify(enhancedResolve.create(options));
|
|
const resolvedModule = await _resolve(base, id);
|
|
return {
|
|
id,
|
|
path: resolvedModule,
|
|
type: getType(resolvedModule, "unknown")
|
|
};
|
|
}
|
|
|
|
const ExternalsDefaults = {
|
|
inline: [
|
|
/\u0000/,
|
|
/^!/,
|
|
/^-!/,
|
|
/^#/,
|
|
/\?/
|
|
],
|
|
external: [],
|
|
externalProtocols: ["node", "file", "data"],
|
|
externalExtensions: [".js", ".mjs", ".cjs", ".node"],
|
|
resolve: {},
|
|
detectInvalidNodeImports: true
|
|
};
|
|
async function isExternal(id, importer, options = {}) {
|
|
options = { ...ExternalsDefaults, ...options };
|
|
const inlineMatchers = options.inline.map((p) => toMatcher(p));
|
|
const externalMatchers = options.external.map((p) => toMatcher(p));
|
|
const context = { opts: options, id, resolved: null };
|
|
if (!id || matches(id, inlineMatchers, context)) {
|
|
return null;
|
|
}
|
|
const proto = getProtocol(id);
|
|
if (proto && !options.externalProtocols.includes(proto)) {
|
|
return null;
|
|
}
|
|
if (proto === "data") {
|
|
return { id, external: true };
|
|
}
|
|
const r = context.resolved = await resolveId(id, importer, options.resolve).catch(() => {
|
|
return { id, path: id, external: null };
|
|
});
|
|
const idExtension = extname(r.path);
|
|
if (idExtension && !options.externalExtensions.includes(idExtension)) {
|
|
return null;
|
|
}
|
|
if (matches(r.id, inlineMatchers, context) || matches(r.path, inlineMatchers, context)) {
|
|
return null;
|
|
}
|
|
if (r.external || matches(id, externalMatchers, context) || matches(r.id, externalMatchers, context) || matches(r.path, externalMatchers, context)) {
|
|
if (options.detectInvalidNodeImports && !await isValidNodeImport(r.path)) {
|
|
return null;
|
|
}
|
|
return { id: r.id, external: true };
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function rollupExternals(options) {
|
|
return {
|
|
name: "node-externals",
|
|
resolveId(id, importer) {
|
|
return isExternal(id, importer, options);
|
|
}
|
|
};
|
|
}
|
|
|
|
function webpackExternals(options) {
|
|
const _isExternal = async ({ request }, callback) => {
|
|
try {
|
|
const res = await isExternal(request, ".", options);
|
|
callback(void 0, res && res.id);
|
|
} catch (error) {
|
|
callback(error, null);
|
|
}
|
|
};
|
|
return _isExternal;
|
|
}
|
|
|
|
export { ExternalsDefaults, getProtocol, getType, isExternal, matches, resolveId, rollupExternals, toMatcher, webpackExternals };
|