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chore: reformat and rebuild docs
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rebuild docs using `pnpm run license-badges && pnpm run build-docs && pnpm run lint && pnpm run test`
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@80avin
80avin committed Nov 16, 2024
1 parent 39ee184 commit ecd64d7
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Showing 20 changed files with 202 additions and 265 deletions.
2 changes: 1 addition & 1 deletion badges/coverage-badge.svg
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2 changes: 1 addition & 1 deletion badges/tests-badge.svg
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35 changes: 13 additions & 22 deletions dist/index-browser-esm.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1203,6 +1203,7 @@ jsep.plugins.register(index, plugin);
jsep.addUnaryOp('typeof');
jsep.addLiteral('null', null);
jsep.addLiteral('undefined', undefined);
const BLOCKED_PROTO_PROPERTIES = new Set(['constructor', '__proto__', '__defineGetter__', '__defineSetter__']);
const SafeEval = {
/**
* @param {jsep.Expression} ast
Expand Down Expand Up @@ -1285,7 +1286,7 @@ const SafeEval = {
return SafeEval.evalAst(ast.alternate, subs);
},
evalIdentifier(ast, subs) {
if (ast.name in subs) {
if (Object.hasOwn(subs, ast.name)) {
return subs[ast.name];
}
throw ReferenceError(`${ast.name} is not defined`);
Expand All @@ -1294,23 +1295,17 @@ const SafeEval = {
return ast.value;
},
evalMemberExpression(ast, subs) {
if (ast.property.type === 'Identifier' && ast.property.name === 'constructor' || ast.object.type === 'Identifier' && ast.object.name === 'constructor') {
throw new Error("'constructor' property is disabled");
}
const prop = ast.computed ? SafeEval.evalAst(ast.property) // `object[property]`
: ast.property.name; // `object.property` property is Identifier
const obj = SafeEval.evalAst(ast.object, subs);
if (obj === undefined || obj === null) {
throw TypeError(`Cannot read properties of ${obj} (reading '${prop}')`);
}
if (!Object.hasOwn(obj, prop) && BLOCKED_PROTO_PROPERTIES.has(prop)) {
throw TypeError(`Cannot read properties of ${obj} (reading '${prop}')`);
}
const result = obj[prop];
if (typeof result === 'function') {
if (obj === Function && prop === 'bind') {
throw new Error('Function.prototype.bind is disabled');
}
if (obj === Function && (prop === 'call' || prop === 'apply')) {
throw new Error('Function.prototype.call and ' + 'Function.prototype.apply are disabled');
}
if (result === Function) {
return result; // Don't bind so can identify and throw later
}
return result.bind(obj); // arrow functions aren't affected by bind.
}
return result;
Expand All @@ -1332,19 +1327,16 @@ const SafeEval = {
evalCallExpression(ast, subs) {
const args = ast.arguments.map(arg => SafeEval.evalAst(arg, subs));
const func = SafeEval.evalAst(ast.callee, subs);
if (func === Function) {
throw new Error('Function constructor is disabled');
}
// if (func === Function) {
// throw new Error('Function constructor is disabled');
// }
return func(...args);
},
evalAssignmentExpression(ast, subs) {
if (ast.left.type !== 'Identifier') {
throw SyntaxError('Invalid left-hand side in assignment');
}
const id = ast.left.name;
if (id === '__proto__') {
throw new Error('Assignment to __proto__ is disabled');
}
const value = SafeEval.evalAst(ast.right, subs);
subs[id] = value;
return subs[id];
Expand All @@ -1369,9 +1361,8 @@ class SafeScript {
* @returns {EvaluatedResult} Result of evaluated code
*/
runInNewContext(context) {
const keyMap = {
...context
};
// `Object.create(null)` creates a prototypeless object
const keyMap = Object.assign(Object.create(null), context);
return SafeEval.evalAst(this.ast, keyMap);
}
}
Expand Down
2 changes: 1 addition & 1 deletion dist/index-browser-esm.min.js
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2 changes: 1 addition & 1 deletion dist/index-browser-esm.min.js.map
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35 changes: 13 additions & 22 deletions dist/index-browser-umd.cjs
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Original file line number Diff line number Diff line change
Expand Up @@ -1209,6 +1209,7 @@
jsep.addUnaryOp('typeof');
jsep.addLiteral('null', null);
jsep.addLiteral('undefined', undefined);
const BLOCKED_PROTO_PROPERTIES = new Set(['constructor', '__proto__', '__defineGetter__', '__defineSetter__']);
const SafeEval = {
/**
* @param {jsep.Expression} ast
Expand Down Expand Up @@ -1291,7 +1292,7 @@
return SafeEval.evalAst(ast.alternate, subs);
},
evalIdentifier(ast, subs) {
if (ast.name in subs) {
if (Object.hasOwn(subs, ast.name)) {
return subs[ast.name];
}
throw ReferenceError(`${ast.name} is not defined`);
Expand All @@ -1300,23 +1301,17 @@
return ast.value;
},
evalMemberExpression(ast, subs) {
if (ast.property.type === 'Identifier' && ast.property.name === 'constructor' || ast.object.type === 'Identifier' && ast.object.name === 'constructor') {
throw new Error("'constructor' property is disabled");
}
const prop = ast.computed ? SafeEval.evalAst(ast.property) // `object[property]`
: ast.property.name; // `object.property` property is Identifier
const obj = SafeEval.evalAst(ast.object, subs);
if (obj === undefined || obj === null) {
throw TypeError(`Cannot read properties of ${obj} (reading '${prop}')`);
}
if (!Object.hasOwn(obj, prop) && BLOCKED_PROTO_PROPERTIES.has(prop)) {
throw TypeError(`Cannot read properties of ${obj} (reading '${prop}')`);
}
const result = obj[prop];
if (typeof result === 'function') {
if (obj === Function && prop === 'bind') {
throw new Error('Function.prototype.bind is disabled');
}
if (obj === Function && (prop === 'call' || prop === 'apply')) {
throw new Error('Function.prototype.call and ' + 'Function.prototype.apply are disabled');
}
if (result === Function) {
return result; // Don't bind so can identify and throw later
}
return result.bind(obj); // arrow functions aren't affected by bind.
}
return result;
Expand All @@ -1338,19 +1333,16 @@
evalCallExpression(ast, subs) {
const args = ast.arguments.map(arg => SafeEval.evalAst(arg, subs));
const func = SafeEval.evalAst(ast.callee, subs);
if (func === Function) {
throw new Error('Function constructor is disabled');
}
// if (func === Function) {
// throw new Error('Function constructor is disabled');
// }
return func(...args);
},
evalAssignmentExpression(ast, subs) {
if (ast.left.type !== 'Identifier') {
throw SyntaxError('Invalid left-hand side in assignment');
}
const id = ast.left.name;
if (id === '__proto__') {
throw new Error('Assignment to __proto__ is disabled');
}
const value = SafeEval.evalAst(ast.right, subs);
subs[id] = value;
return subs[id];
Expand All @@ -1375,9 +1367,8 @@
* @returns {EvaluatedResult} Result of evaluated code
*/
runInNewContext(context) {
const keyMap = {
...context
};
// `Object.create(null)` creates a prototypeless object
const keyMap = Object.assign(Object.create(null), context);
return SafeEval.evalAst(this.ast, keyMap);
}
}
Expand Down
2 changes: 1 addition & 1 deletion dist/index-browser-umd.min.cjs
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2 changes: 1 addition & 1 deletion dist/index-browser-umd.min.cjs.map
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35 changes: 13 additions & 22 deletions dist/index-node-cjs.cjs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1204,6 +1204,7 @@ jsep.plugins.register(index, plugin);
jsep.addUnaryOp('typeof');
jsep.addLiteral('null', null);
jsep.addLiteral('undefined', undefined);
const BLOCKED_PROTO_PROPERTIES = new Set(['constructor', '__proto__', '__defineGetter__', '__defineSetter__']);
const SafeEval = {
/**
* @param {jsep.Expression} ast
Expand Down Expand Up @@ -1286,7 +1287,7 @@ const SafeEval = {
return SafeEval.evalAst(ast.alternate, subs);
},
evalIdentifier(ast, subs) {
if (ast.name in subs) {
if (Object.hasOwn(subs, ast.name)) {
return subs[ast.name];
}
throw ReferenceError(`${ast.name} is not defined`);
Expand All @@ -1295,23 +1296,17 @@ const SafeEval = {
return ast.value;
},
evalMemberExpression(ast, subs) {
if (ast.property.type === 'Identifier' && ast.property.name === 'constructor' || ast.object.type === 'Identifier' && ast.object.name === 'constructor') {
throw new Error("'constructor' property is disabled");
}
const prop = ast.computed ? SafeEval.evalAst(ast.property) // `object[property]`
: ast.property.name; // `object.property` property is Identifier
const obj = SafeEval.evalAst(ast.object, subs);
if (obj === undefined || obj === null) {
throw TypeError(`Cannot read properties of ${obj} (reading '${prop}')`);
}
if (!Object.hasOwn(obj, prop) && BLOCKED_PROTO_PROPERTIES.has(prop)) {
throw TypeError(`Cannot read properties of ${obj} (reading '${prop}')`);
}
const result = obj[prop];
if (typeof result === 'function') {
if (obj === Function && prop === 'bind') {
throw new Error('Function.prototype.bind is disabled');
}
if (obj === Function && (prop === 'call' || prop === 'apply')) {
throw new Error('Function.prototype.call and ' + 'Function.prototype.apply are disabled');
}
if (result === Function) {
return result; // Don't bind so can identify and throw later
}
return result.bind(obj); // arrow functions aren't affected by bind.
}
return result;
Expand All @@ -1333,19 +1328,16 @@ const SafeEval = {
evalCallExpression(ast, subs) {
const args = ast.arguments.map(arg => SafeEval.evalAst(arg, subs));
const func = SafeEval.evalAst(ast.callee, subs);
if (func === Function) {
throw new Error('Function constructor is disabled');
}
// if (func === Function) {
// throw new Error('Function constructor is disabled');
// }
return func(...args);
},
evalAssignmentExpression(ast, subs) {
if (ast.left.type !== 'Identifier') {
throw SyntaxError('Invalid left-hand side in assignment');
}
const id = ast.left.name;
if (id === '__proto__') {
throw new Error('Assignment to __proto__ is disabled');
}
const value = SafeEval.evalAst(ast.right, subs);
subs[id] = value;
return subs[id];
Expand All @@ -1370,9 +1362,8 @@ class SafeScript {
* @returns {EvaluatedResult} Result of evaluated code
*/
runInNewContext(context) {
const keyMap = {
...context
};
// `Object.create(null)` creates a prototypeless object
const keyMap = Object.assign(Object.create(null), context);
return SafeEval.evalAst(this.ast, keyMap);
}
}
Expand Down
35 changes: 13 additions & 22 deletions dist/index-node-esm.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1202,6 +1202,7 @@ jsep.plugins.register(index, plugin);
jsep.addUnaryOp('typeof');
jsep.addLiteral('null', null);
jsep.addLiteral('undefined', undefined);
const BLOCKED_PROTO_PROPERTIES = new Set(['constructor', '__proto__', '__defineGetter__', '__defineSetter__']);
const SafeEval = {
/**
* @param {jsep.Expression} ast
Expand Down Expand Up @@ -1284,7 +1285,7 @@ const SafeEval = {
return SafeEval.evalAst(ast.alternate, subs);
},
evalIdentifier(ast, subs) {
if (ast.name in subs) {
if (Object.hasOwn(subs, ast.name)) {
return subs[ast.name];
}
throw ReferenceError(`${ast.name} is not defined`);
Expand All @@ -1293,23 +1294,17 @@ const SafeEval = {
return ast.value;
},
evalMemberExpression(ast, subs) {
if (ast.property.type === 'Identifier' && ast.property.name === 'constructor' || ast.object.type === 'Identifier' && ast.object.name === 'constructor') {
throw new Error("'constructor' property is disabled");
}
const prop = ast.computed ? SafeEval.evalAst(ast.property) // `object[property]`
: ast.property.name; // `object.property` property is Identifier
const obj = SafeEval.evalAst(ast.object, subs);
if (obj === undefined || obj === null) {
throw TypeError(`Cannot read properties of ${obj} (reading '${prop}')`);
}
if (!Object.hasOwn(obj, prop) && BLOCKED_PROTO_PROPERTIES.has(prop)) {
throw TypeError(`Cannot read properties of ${obj} (reading '${prop}')`);
}
const result = obj[prop];
if (typeof result === 'function') {
if (obj === Function && prop === 'bind') {
throw new Error('Function.prototype.bind is disabled');
}
if (obj === Function && (prop === 'call' || prop === 'apply')) {
throw new Error('Function.prototype.call and ' + 'Function.prototype.apply are disabled');
}
if (result === Function) {
return result; // Don't bind so can identify and throw later
}
return result.bind(obj); // arrow functions aren't affected by bind.
}
return result;
Expand All @@ -1331,19 +1326,16 @@ const SafeEval = {
evalCallExpression(ast, subs) {
const args = ast.arguments.map(arg => SafeEval.evalAst(arg, subs));
const func = SafeEval.evalAst(ast.callee, subs);
if (func === Function) {
throw new Error('Function constructor is disabled');
}
// if (func === Function) {
// throw new Error('Function constructor is disabled');
// }
return func(...args);
},
evalAssignmentExpression(ast, subs) {
if (ast.left.type !== 'Identifier') {
throw SyntaxError('Invalid left-hand side in assignment');
}
const id = ast.left.name;
if (id === '__proto__') {
throw new Error('Assignment to __proto__ is disabled');
}
const value = SafeEval.evalAst(ast.right, subs);
subs[id] = value;
return subs[id];
Expand All @@ -1368,9 +1360,8 @@ class SafeScript {
* @returns {EvaluatedResult} Result of evaluated code
*/
runInNewContext(context) {
const keyMap = {
...context
};
// `Object.create(null)` creates a prototypeless object
const keyMap = Object.assign(Object.create(null), context);
return SafeEval.evalAst(this.ast, keyMap);
}
}
Expand Down
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