65 lines
2.1 KiB
JavaScript
65 lines
2.1 KiB
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
Object.defineProperty(exports, "__esModule", {
|
||
|
|
value: true
|
||
|
|
});
|
||
|
|
exports.buildScopeIIFE = buildScopeIIFE;
|
||
|
|
exports.collectShadowedParamsNames = collectShadowedParamsNames;
|
||
|
|
exports.iifeVisitor = void 0;
|
||
|
|
var _core = require("@babel/core");
|
||
|
|
const iifeVisitor = exports.iifeVisitor = {
|
||
|
|
"ReferencedIdentifier|BindingIdentifier"(path, state) {
|
||
|
|
const {
|
||
|
|
scope,
|
||
|
|
node
|
||
|
|
} = path;
|
||
|
|
const {
|
||
|
|
name
|
||
|
|
} = node;
|
||
|
|
if (name === "eval" || scope.getBinding(name) === state.scope.parent.getBinding(name) && state.scope.hasOwnBinding(name)) {
|
||
|
|
state.needsOuterBinding = true;
|
||
|
|
path.stop();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
"TypeAnnotation|TSTypeAnnotation|TypeParameterDeclaration|TSTypeParameterDeclaration": path => path.skip()
|
||
|
|
};
|
||
|
|
function collectShadowedParamsNames(param, functionScope, shadowedParams) {
|
||
|
|
for (const name of Object.keys(param.getBindingIdentifiers())) {
|
||
|
|
var _functionScope$bindin;
|
||
|
|
const constantViolations = (_functionScope$bindin = functionScope.bindings[name]) == null ? void 0 : _functionScope$bindin.constantViolations;
|
||
|
|
if (constantViolations) {
|
||
|
|
for (const redeclarator of constantViolations) {
|
||
|
|
const node = redeclarator.node;
|
||
|
|
switch (node.type) {
|
||
|
|
case "VariableDeclarator":
|
||
|
|
{
|
||
|
|
if (node.init === null) {
|
||
|
|
const declaration = redeclarator.parentPath;
|
||
|
|
if (!declaration.parentPath.isFor() || declaration.parentPath.get("body") === declaration) {
|
||
|
|
redeclarator.remove();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
shadowedParams.add(name);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case "FunctionDeclaration":
|
||
|
|
shadowedParams.add(name);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function buildScopeIIFE(shadowedParams, body) {
|
||
|
|
const args = [];
|
||
|
|
const params = [];
|
||
|
|
for (const name of shadowedParams) {
|
||
|
|
args.push(_core.types.identifier(name));
|
||
|
|
params.push(_core.types.identifier(name));
|
||
|
|
}
|
||
|
|
return _core.types.returnStatement(_core.types.callExpression(_core.types.arrowFunctionExpression(params, body), args));
|
||
|
|
}
|
||
|
|
|
||
|
|
//# sourceMappingURL=shadow-utils.js.map
|