2025-09-05 14:59:21 +08:00

97 lines
3.3 KiB
JavaScript

'use strict';
const node_url = require('node:url');
const node_vm = require('node:vm');
const estreeWalker = require('estree-walker');
const magicRegExp = require('magic-regexp');
const MagicString = require('magic-string');
const mlly = require('mlly');
const ufo = require('ufo');
const unplugin = require('unplugin');
function _interopDefaultCompat (e) { return e && typeof e === 'object' && 'default' in e ? e.default : e; }
function _interopNamespaceCompat(e) {
if (e && typeof e === 'object' && 'default' in e) return e;
const n = Object.create(null);
if (e) {
for (const k in e) {
n[k] = e[k];
}
}
n.default = e;
return n;
}
const magicRegExp__namespace = /*#__PURE__*/_interopNamespaceCompat(magicRegExp);
const MagicString__default = /*#__PURE__*/_interopDefaultCompat(MagicString);
const MagicRegExpTransformPlugin = unplugin.createUnplugin(() => {
return {
name: "MagicRegExpTransformPlugin",
enforce: "post",
transformInclude(id) {
const { pathname, search } = ufo.parseURL(decodeURIComponent(node_url.pathToFileURL(id).href));
const { type } = ufo.parseQuery(search);
if (pathname.endsWith(".vue") && (type === "script" || !search))
return true;
if (pathname.match(/\.((c|m)?j|t)sx?$/g))
return true;
return false;
},
transform(code, id) {
if (!code.includes("magic-regexp"))
return;
const statements = mlly.findStaticImports(code).filter(
(i) => i.specifier === "magic-regexp" || i.specifier === "magic-regexp/further-magic"
);
if (!statements.length)
return;
const contextMap = { ...magicRegExp__namespace };
const wrapperNames = [];
let namespace;
for (const i of statements.flatMap((i2) => mlly.parseStaticImport(i2))) {
if (i.namespacedImport) {
namespace = i.namespacedImport;
contextMap[i.namespacedImport] = magicRegExp__namespace;
}
if (i.namedImports) {
for (const key in i.namedImports)
contextMap[i.namedImports[key]] = magicRegExp__namespace[key];
if (i.namedImports.createRegExp)
wrapperNames.push(i.namedImports.createRegExp);
}
}
const context = node_vm.createContext(contextMap);
const s = new MagicString__default(code);
estreeWalker.walk(this.parse(code), {
enter(_node) {
if (_node.type !== "CallExpression")
return;
const node = _node;
if (
// Normal call
!wrapperNames.includes(node.callee.name) && (node.callee.type !== "MemberExpression" || node.callee.object.type !== "Identifier" || node.callee.object.name !== namespace || node.callee.property.type !== "Identifier" || node.callee.property.name !== "createRegExp")
) {
return;
}
const { start, end } = node;
try {
const value = node_vm.runInContext(code.slice(start, end), context);
s.overwrite(start, end, value.toString());
} catch {
}
}
});
if (s.hasChanged()) {
return {
code: s.toString(),
map: s.generateMap({ includeContent: true, source: id })
};
}
}
};
});
exports.MagicRegExpTransformPlugin = MagicRegExpTransformPlugin;