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Toshit Chawda 2024-07-14 16:31:36 -07:00
parent 56767f5b31
commit 4906b71e47
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37 changed files with 789 additions and 784 deletions
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48
src/shared/rewriters/js.ts
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@ -1,8 +1,8 @@
import { parseModule } from "meriyah"
import { generate } from "astring"
import { makeTraveler } from "astravel"
import { encodeUrl } from "./url"
import * as ESTree from "estree"
import { parseModule } from "meriyah";
import { generate } from "astring";
import { makeTraveler } from "astravel";
import { encodeUrl } from "./url";
import * as ESTree from "estree";
// i am a cat. i like to be petted. i like to be fed. i like to be
@ -17,13 +17,13 @@ import * as ESTree from "estree"
// parent
export function rewriteJs(js: string, origin?: URL) {
const htmlcomment = /<!--[\s\S]*?-->/g
js = js.replace(htmlcomment, "")
const htmlcomment = /<!--[\s\S]*?-->/g;
js = js.replace(htmlcomment, "");
try {
const ast = parseModule(js, {
module: true,
webcompat: true,
})
});
const identifierList = [
"window",
@ -33,32 +33,32 @@ export function rewriteJs(js: string, origin?: URL) {
"parent",
"top",
"location",
]
];
const customTraveler = makeTraveler({
ImportDeclaration: (node: ESTree.ImportDeclaration) => {
node.source.value = encodeUrl(node.source.value as string, origin)
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)
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(${node.source.name})`
node.source.name = `__wrapImport(${node.source.name})`;
}
},
ExportAllDeclaration: (node: ESTree.ExportAllDeclaration) => {
node.source.value = encodeUrl(node.source.value as string, origin)
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)
node.source.value = encodeUrl(node.source.value as string, origin);
},
MemberExpression: (node: ESTree.MemberExpression) => {
@ -66,7 +66,7 @@ export function rewriteJs(js: string, origin?: URL) {
node.object.type === "Identifier" &&
identifierList.includes(node.object.name)
) {
node.object.name = `globalThis.$s(${node.object.name})`
node.object.name = `globalThis.$s(${node.object.name})`;
}
},
@ -75,14 +75,14 @@ export function rewriteJs(js: string, origin?: URL) {
node.left.type === "Identifier" &&
identifierList.includes(node.left.name)
) {
node.left.name = `globalThis.$s(${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})`
node.right.name = `globalThis.$s(${node.right.name})`;
}
},
@ -92,18 +92,18 @@ export function rewriteJs(js: string, origin?: URL) {
node.init.type === "Identifier" &&
identifierList.includes(node.init.name)
) {
node.init.name = `globalThis.$s(${node.init.name})`
node.init.name = `globalThis.$s(${node.init.name})`;
}
},
})
});
customTraveler.go(ast)
customTraveler.go(ast);
return generate(ast)
return generate(ast);
} catch (e) {
console.error(e)
console.log(js)
console.error(e);
console.log(js);
return js
return js;
}
}