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velzie 2024-07-14 23:17:57 -04:00 • committed by Percs
parent a7cbca42d1
commit 6cc293b453
10 changed files with 1050 additions and 91 deletions
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188
src/shared/rewriters/js.ts
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@ -16,92 +16,106 @@ import * as ESTree from "estree";
// top
// parent
import init, { rewrite_js } from "../../../rewriter/out/rewriter.js";
init("/rewriter_bg.wasm");
export function rewriteJs(js: string, origin?: URL) {
try {
const ast = parseModule(js, {
module: true,
webcompat: true,
});
const identifierList = [
"window",
"self",
"globalThis",
"this",
"parent",
"top",
"location",
];
const customTraveler = makeTraveler({
ImportDeclaration: (node: ESTree.ImportDeclaration) => {
node.source.value = encodeUrl(node.source.value as string, origin);
},
ImportExpression: (node: ESTree.ImportExpression) => {
if (node.source.type === "Literal") {
node.source.value = encodeUrl(node.source.value as string, origin);
} else if (node.source.type === "Identifier") {
// this is for things that import something like
// const moduleName = "name";
// await import(moduleName);
node.source.name = `__wrapImport(${node.source.name})`;
}
},
ExportAllDeclaration: (node: ESTree.ExportAllDeclaration) => {
node.source.value = encodeUrl(node.source.value as string, origin);
},
ExportNamedDeclaration: (node: ESTree.ExportNamedDeclaration) => {
// strings are Literals in ESTree syntax but these will always be strings
if (node.source)
node.source.value = encodeUrl(node.source.value as string, origin);
},
MemberExpression: (node: ESTree.MemberExpression) => {
if (
node.object.type === "Identifier" &&
identifierList.includes(node.object.name)
) {
node.object.name = `globalThis.$s(${node.object.name})`;
}
},
AssignmentExpression: (node: ESTree.AssignmentExpression) => {
if (
node.left.type === "Identifier" &&
identifierList.includes(node.left.name)
) {
node.left.name = `globalThis.$s(${node.left.name})`;
}
if (
node.right.type === "Identifier" &&
identifierList.includes(node.right.name)
) {
node.right.name = `globalThis.$s(${node.right.name})`;
}
},
VariableDeclarator: (node: ESTree.VariableDeclarator) => {
if (
node.init &&
node.init.type === "Identifier" &&
identifierList.includes(node.init.name)
) {
node.init.name = `globalThis.$s(${node.init.name})`;
}
},
});
customTraveler.go(ast);
return generate(ast);
} catch (e) {
console.error(e);
console.log(js);
return js;
}
let f = rewrite_js(js);
console.log(f)
return f
}
// try {
// const ast = parseModule(js, {
// module: true,
// webcompat: true,
// });
//
// const identifierList = [
// "window",
// "self",
// "globalThis",
// "this",
// "parent",
// "top",
// "location",
// ];
//
// const customTraveler = makeTraveler({
// ImportDeclaration: (node: ESTree.ImportDeclaration) => {
// node.source.value = encodeUrl(node.source.value as string, origin);
// },
//
// ImportExpression: (node: ESTree.ImportExpression) => {
// if (node.source.type === "Literal") {
// node.source.value = encodeUrl(node.source.value as string, origin);
// } else if (node.source.type === "Identifier") {
// // this is for things that import something like
// // const moduleName = "name";
// // await import(moduleName);
// node.source.name = `__wrapImport(${node.source.name})`;
// }
// },
//
// ExportAllDeclaration: (node: ESTree.ExportAllDeclaration) => {
// node.source.value = encodeUrl(node.source.value as string, origin);
// },
//
// ExportNamedDeclaration: (node: ESTree.ExportNamedDeclaration) => {
// // strings are Literals in ESTree syntax but these will always be strings
// if (node.source)
// node.source.value = encodeUrl(node.source.value as string, origin);
// },
//
// MemberExpression: (node: ESTree.MemberExpression) => {
// if (
// node.object.type === "Identifier" &&
// identifierList.includes(node.object.name)
// ) {
// node.object.name = `globalThis.$s(${node.object.name})`;
// }
// },
//
// AssignmentExpression: (node: ESTree.AssignmentExpression, more) => {
// console.log(node, more);
// if (
// node.left.type === "Identifier" &&
// identifierList.includes(node.left.name)
// ) {
// node.left.name = `globalThis.$s(${node.left.name})`;
// }
//
// if (
// node.right.type === "Identifier" &&
// identifierList.includes(node.right.name)
// ) {
// node.right.name = `globalThis.$s(${node.right.name})`;
// }
// },
// ArrayExpression: (node: ESTree.ArrayExpression) => {
// node.elements.forEach((element) => {
// if (element.type === "Identifier" && identifierList.includes(element.name)) {
// element.name = `globalThis.$s(${element.name})`;
// }
// });
// },
//
// VariableDeclarator: (node: ESTree.VariableDeclarator) => {
// if (
// node.init &&
// node.init.type === "Identifier" &&
// identifierList.includes(node.init.name)
// ) {
// node.init.name = `globalThis.$s(${node.init.name})`;
// }
// },
// });
//
// customTraveler.go(ast);
//
// return generate(ast);
// } catch (e) {
// console.error(e);
// console.log(js);
//
// return js;
// }