@babel/types#isMemberExpression TypeScript Examples
The following examples show how to use
@babel/types#isMemberExpression.
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Example #1
Source File: valueParser.ts From engine with MIT License | 7 votes |
logicalExpression = (node: LogicalExpression): FuncOperation => {
const params: StaticOperation[] = [];
let temp: any = node;
while (temp.left) {
temp = temp.left;
if (!temp) {
temp = false;
} else {
if (isMemberExpression(temp)) {
const result = Values.MemberExpression(temp) as StaticOperation;
if (result) {
params.push(result);
}
} else {
params.push({
type: OperationTypes.VALUE,
value: {
type: ValueTypes.CONST,
value: { __node__: temp },
},
});
}
}
}
// do right
return {
type: OperationTypes.FUNC,
value: {
params,
fn: () => {},
},
};
}
Example #2
Source File: jsxConverter.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
getVisitor(): Visitor {
return {
CallExpression: (path) => {
if (!isMemberExpression(path.node.callee) || !isIdentifier(path.node.callee.object) || !isIdentifier(path.node.callee.property)) return;
if (path.node.callee.object.name !== 'React' || path.node.callee.property.name !== 'createElement') return;
path.replaceWith(this.parseJsx(path.node));
this.module.tags.push('jsx');
},
};
}
Example #3
Source File: setStateRenamer.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
getVisitor(): Visitor {
return {
VariableDeclaration: (path) => {
path.node.declarations.forEach((varNode) => {
// is it array destructure with 2 elements?
if (!isArrayPattern(varNode.id) || varNode.id.elements.length !== 2 || !isIdentifier(varNode.id.elements[0]) || !isIdentifier(varNode.id.elements[1])) return;
// is it defined by React.useState?
if (!isCallExpression(varNode.init) || !isMemberExpression(varNode.init.callee)) return;
if (!isIdentifier(varNode.init.callee.object) || !isIdentifier(varNode.init.callee.property)) return;
if (varNode.init.callee.object.name !== 'React' || varNode.init.callee.property.name !== 'useState') return;
path.parentPath.scope.crawl();
path.parentPath.scope.rename(varNode.id.elements[1].name, `set${varNode.id.elements[0].name[0].toUpperCase()}${varNode.id.elements[0].name.slice(1)}`);
});
},
};
}
Example #4
Source File: esModuleCleaner.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
evaluate(path: NodePath<FunctionExpression>): void {
const bodyPath = this.navigateToModuleBody(path);
bodyPath.node.body = bodyPath.node.body.filter((line) => {
const callExpression = isExpressionStatement(line) ? line.expression : line;
if (!isCallExpression(callExpression)) return true;
if (!isMemberExpression(callExpression.callee)) return true;
if (!isIdentifier(callExpression.callee.object) || !isIdentifier(callExpression.callee.property)) return true;
if (callExpression.callee.object.name !== 'Object' || callExpression.callee.property.name !== 'defineProperty') return true;
if (!isIdentifier(callExpression.arguments[0]) || !isStringLiteral(callExpression.arguments[1])) return true;
if (bodyPath.scope.getBindingIdentifier(callExpression.arguments[0].name)?.start !== this.module.exportsParam?.start) return true;
if (callExpression.arguments[1].value !== '__esModule') return true;
this.module.tags.push('__esModule');
return false;
});
}
Example #5
Source File: webpackParser.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
protected parseAst(ast: File, modules: Module[]): void {
traverse(ast, {
CallExpression: (nodePath) => {
const firstArg = nodePath.get('arguments')[0];
if (isFunctionExpression(nodePath.node.callee) && firstArg?.isArrayExpression()) { // entrypoint
this.parseArray(ast, firstArg, modules);
} else if (isMemberExpression(nodePath.node.callee) && isAssignmentExpression(nodePath.node.callee.object) && firstArg?.isArrayExpression()) { // chunked
const assignment = nodePath.node.callee.object;
if (isMemberExpression(assignment.left)) {
let leftPropName = '';
if (isIdentifier(assignment.left.property)) {
leftPropName = assignment.left.property.name;
} else if (isStringLiteral(assignment.left.property)) {
leftPropName = assignment.left.property.value;
}
if (leftPropName.startsWith('webpackJsonp')) {
const modulesObject = firstArg.get('elements')[1];
if (modulesObject.isArrayExpression()) {
this.parseArray(ast, modulesObject, modules);
} else {
if (!modulesObject || !modulesObject.isObjectExpression()) throw new Error('Failed assertion');
this.parseObject(ast, modulesObject, modules);
}
}
}
}
nodePath.skip();
},
});
}
Example #6
Source File: passthroughModuleRemapper.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
getVisitor(): Visitor {
if (this.module.moduleCode.body.length !== 1) return {};
return {
AssignmentExpression: (path) => {
if (!isMemberExpression(path.node.left) || !isIdentifier(path.node.left?.object) || !isIdentifier(path.node.left?.property)) return;
if (path.scope.getBindingIdentifier(path.node.left.object.name)?.start !== this.module.moduleParam?.start) return;
if (path.node.left.property.name !== 'exports') return;
const right = path.get('right');
if (!right.isCallExpression()) return;
const rightCallee = right.get('callee');
if (!rightCallee.isIdentifier() && !rightCallee.isCallExpression()) return;
const dependency = this.getModuleDependency(rightCallee.isCallExpression() ? rightCallee : right);
if (!dependency) return;
if (rightCallee.isCallExpression() && !dependency.moduleStrings.find((str) => str.includes('Calling PropTypes validators directly is not supported'))) return;
if (!this.moduleList.some((m) => m.dependencies.includes(this.module.moduleId))) return;
this.debugLog(`bypassing ${this.module.moduleId} for ${dependency.moduleId} ${dependency.moduleName}`);
const passthroughDependency = this.moduleList[dependency.moduleId];
this.module.ignored = true;
this.module.isNpmModule = true; // flag as NPM module in case this module pass through NPM module
this.module.moduleName = `${this.module.moduleId} PASSTHROUGH TO ${passthroughDependency.moduleName}`;
this.moduleList.forEach((module) => {
module.dependencies = module.dependencies.map((dep) => (dep === this.module.moduleId ? passthroughDependency.moduleId : dep));
});
},
};
}
Example #7
Source File: jsxConverter.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
getVisitor(): Visitor {
return {
CallExpression: (path) => {
if (!isMemberExpression(path.node.callee) || !isIdentifier(path.node.callee.object) || !isIdentifier(path.node.callee.property)) return;
if (path.node.callee.object.name !== 'React' || path.node.callee.property.name !== 'createElement') return;
path.replaceWith(this.parseJsx(path.node));
this.module.tags.push('jsx');
},
};
}
Example #8
Source File: setStateRenamer.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
getVisitor(): Visitor {
return {
VariableDeclaration: (path) => {
path.node.declarations.forEach((varNode) => {
// is it array destructure with 2 elements?
if (!isArrayPattern(varNode.id) || varNode.id.elements.length !== 2 || !isIdentifier(varNode.id.elements[0]) || !isIdentifier(varNode.id.elements[1])) return;
// is it defined by React.useState?
if (!isCallExpression(varNode.init) || !isMemberExpression(varNode.init.callee)) return;
if (!isIdentifier(varNode.init.callee.object) || !isIdentifier(varNode.init.callee.property)) return;
if (varNode.init.callee.object.name !== 'React' || varNode.init.callee.property.name !== 'useState') return;
path.parentPath.scope.crawl();
path.parentPath.scope.rename(varNode.id.elements[1].name, `set${varNode.id.elements[0].name[0].toUpperCase()}${varNode.id.elements[0].name.slice(1)}`);
});
},
};
}
Example #9
Source File: esModuleCleaner.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
evaluate(path: NodePath<FunctionExpression>): void {
const bodyPath = this.navigateToModuleBody(path);
bodyPath.node.body = bodyPath.node.body.filter((line) => {
const callExpression = isExpressionStatement(line) ? line.expression : line;
if (!isCallExpression(callExpression)) return true;
if (!isMemberExpression(callExpression.callee)) return true;
if (!isIdentifier(callExpression.callee.object) || !isIdentifier(callExpression.callee.property)) return true;
if (callExpression.callee.object.name !== 'Object' || callExpression.callee.property.name !== 'defineProperty') return true;
if (!isIdentifier(callExpression.arguments[0]) || !isStringLiteral(callExpression.arguments[1])) return true;
if (bodyPath.scope.getBindingIdentifier(callExpression.arguments[0].name)?.start !== this.module.exportsParam?.start) return true;
if (callExpression.arguments[1].value !== '__esModule') return true;
this.module.tags.push('__esModule');
return false;
});
}
Example #10
Source File: webpackParser.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
protected parseAst(ast: File, modules: Module[]): void {
traverse(ast, {
CallExpression: (nodePath) => {
const firstArg = nodePath.get('arguments')[0];
if (isFunctionExpression(nodePath.node.callee) && firstArg?.isArrayExpression()) { // entrypoint
this.parseArray(ast, firstArg, modules);
} else if (isMemberExpression(nodePath.node.callee) && isAssignmentExpression(nodePath.node.callee.object) && firstArg?.isArrayExpression()) { // chunked
const assignment = nodePath.node.callee.object;
if (isMemberExpression(assignment.left)) {
let leftPropName = '';
if (isIdentifier(assignment.left.property)) {
leftPropName = assignment.left.property.name;
} else if (isStringLiteral(assignment.left.property)) {
leftPropName = assignment.left.property.value;
}
if (leftPropName.startsWith('webpackJsonp')) {
const modulesObject = firstArg.get('elements')[1];
if (modulesObject.isArrayExpression()) {
this.parseArray(ast, modulesObject, modules);
} else {
if (!modulesObject || !modulesObject.isObjectExpression()) throw new Error('Failed assertion');
this.parseObject(ast, modulesObject, modules);
}
}
}
}
nodePath.skip();
},
});
}
Example #11
Source File: passthroughModuleRemapper.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 6 votes |
getVisitor(): Visitor {
if (this.module.moduleCode.body.length !== 1) return {};
return {
AssignmentExpression: (path) => {
if (!isMemberExpression(path.node.left) || !isIdentifier(path.node.left?.object) || !isIdentifier(path.node.left?.property)) return;
if (path.scope.getBindingIdentifier(path.node.left.object.name)?.start !== this.module.moduleParam?.start) return;
if (path.node.left.property.name !== 'exports') return;
const right = path.get('right');
if (!right.isCallExpression()) return;
const rightCallee = right.get('callee');
if (!rightCallee.isIdentifier() && !rightCallee.isCallExpression()) return;
const dependency = this.getModuleDependency(rightCallee.isCallExpression() ? rightCallee : right);
if (!dependency) return;
if (rightCallee.isCallExpression() && !dependency.moduleStrings.find((str) => str.includes('Calling PropTypes validators directly is not supported'))) return;
if (!this.moduleList.some((m) => m.dependencies.includes(this.module.moduleId))) return;
this.debugLog(`bypassing ${this.module.moduleId} for ${dependency.moduleId} ${dependency.moduleName}`);
const passthroughDependency = this.moduleList[dependency.moduleId];
this.module.ignored = true;
this.module.isNpmModule = true; // flag as NPM module in case this module pass through NPM module
this.module.moduleName = `${this.module.moduleId} PASSTHROUGH TO ${passthroughDependency.moduleName}`;
this.moduleList.forEach((module) => {
module.dependencies = module.dependencies.map((dep) => (dep === this.module.moduleId ? passthroughDependency.moduleId : dep));
});
},
};
}
Example #12
Source File: arrayDestructureEvaluator.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 5 votes |
getVisitor(): Visitor {
if (!this.destructureUsed) return {};
return {
VariableDeclarator: (path) => {
if (!isIdentifier(path.node.id) || path.node.id.start == null) return;
const variableDeclaratorData: VariableDeclaratorData = {
path,
couldBeDestructure: false,
couldBeArrayAccess: false,
varName: path.node.id.name,
varStart: path.node.id.start,
};
if (isCallExpression(path.node.init) && isIdentifier(path.node.init.callee)
&& path.node.init.arguments.length === 2 && isIdentifier(path.node.init.arguments[0]) && isNumericLiteral(path.node.init.arguments[1])) {
variableDeclaratorData.couldBeDestructure = true;
variableDeclaratorData.destructureBindingStart = path.scope.getBindingIdentifier(path.node.init.callee.name)?.start ?? undefined;
variableDeclaratorData.destructureArrayBindingStart = path.scope.getBindingIdentifier(path.node.init.arguments[0].name)?.start ?? undefined;
}
if (isMemberExpression(path.node.init) && isIdentifier(path.node.init.object) && isNumericLiteral(path.node.init.property)) {
variableDeclaratorData.couldBeArrayAccess = true;
variableDeclaratorData.arrayAccessBindingStart = path.scope.getBindingIdentifier(path.node.init.object.name)?.start ?? undefined;
variableDeclaratorData.arrayAccessVal = path.node.init.property.value;
}
this.variableDeclarators.push(variableDeclaratorData);
const callExpression = path.get('init');
if (!callExpression.isCallExpression()) return;
const moduleDependency = this.getModuleDependency(callExpression);
if (moduleDependency?.moduleName === '@babel/runtime/helpers/slicedToArray') {
this.destructureFunction = path;
this.destructureFunctionStart = path.node.id.start;
}
},
};
}
Example #13
Source File: jsxConverter.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 5 votes |
private parseJsx(node: Expression): JSXText | JSXExpressionContainer | JSXSpreadChild | JSXElement | JSXFragment {
if (isStringLiteral(node)) {
return jsxText(node.value);
}
if (isCallExpression(node)) {
const args = node.arguments;
let name: JSXIdentifier | JSXMemberExpression | undefined;
if (isIdentifier(args[0]) || isStringLiteral(args[0])) {
name = jsxIdentifier(isIdentifier(args[0]) ? args[0].name : args[0].value);
} else if (isMemberExpression(args[0]) && isIdentifier(args[0].object) && isIdentifier(args[0].property)) {
name = jsxMemberExpression(jsxIdentifier(args[0].object.name), jsxIdentifier(args[0].property.name));
} else {
this.debugLog(`fail to parse component ${args[0].type} inside callExpression`);
return jsxExpressionContainer(node);
}
let props: JSXAttribute[] = [];
if (isObjectExpression(args[1])) {
props = args[1].properties.map((prop) => {
if (!isObjectProperty(prop) || !isIdentifier(prop.key)) return null;
if (isStringLiteral(prop.value)) {
return jsxAttribute(jsxIdentifier(prop.key.name), prop.value);
}
if (isBooleanLiteral(prop.value) && prop.value.value) {
return jsxAttribute(jsxIdentifier(prop.key.name), null);
}
if (isExpression(prop.value)) {
return jsxAttribute(jsxIdentifier(prop.key.name), jsxExpressionContainer(prop.value));
}
return null;
}).filter((e): e is JSXAttribute => e != null);
}
const children = args.slice(2).map((e) => (isExpression(e) ? this.parseJsx(e) : null)).filter((e): e is JSXElement => e != null);
if (children.length) {
return jsxElement(jsxOpeningElement(name, props), jsxClosingElement(name), children);
}
return jsxElement(jsxOpeningElement(name, props, true), null, []);
}
this.debugLog(`fail to parse component ${node.type}`);
return jsxExpressionContainer(node);
}
Example #14
Source File: arrayDestructureEvaluator.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 5 votes |
getVisitor(): Visitor {
if (!this.destructureUsed) return {};
return {
VariableDeclarator: (path) => {
if (!isIdentifier(path.node.id) || path.node.id.start == null) return;
const variableDeclaratorData: VariableDeclaratorData = {
path,
couldBeDestructure: false,
couldBeArrayAccess: false,
varName: path.node.id.name,
varStart: path.node.id.start,
};
if (isCallExpression(path.node.init) && isIdentifier(path.node.init.callee)
&& path.node.init.arguments.length === 2 && isIdentifier(path.node.init.arguments[0]) && isNumericLiteral(path.node.init.arguments[1])) {
variableDeclaratorData.couldBeDestructure = true;
variableDeclaratorData.destructureBindingStart = path.scope.getBindingIdentifier(path.node.init.callee.name)?.start ?? undefined;
variableDeclaratorData.destructureArrayBindingStart = path.scope.getBindingIdentifier(path.node.init.arguments[0].name)?.start ?? undefined;
}
if (isMemberExpression(path.node.init) && isIdentifier(path.node.init.object) && isNumericLiteral(path.node.init.property)) {
variableDeclaratorData.couldBeArrayAccess = true;
variableDeclaratorData.arrayAccessBindingStart = path.scope.getBindingIdentifier(path.node.init.object.name)?.start ?? undefined;
variableDeclaratorData.arrayAccessVal = path.node.init.property.value;
}
this.variableDeclarators.push(variableDeclaratorData);
const callExpression = path.get('init');
if (!callExpression.isCallExpression()) return;
const moduleDependency = this.getModuleDependency(callExpression);
if (moduleDependency?.moduleName === '@babel/runtime/helpers/slicedToArray') {
this.destructureFunction = path;
this.destructureFunctionStart = path.node.id.start;
}
},
};
}
Example #15
Source File: jsxConverter.ts From react-native-decompiler with GNU Affero General Public License v3.0 | 5 votes |
private parseJsx(node: Expression): JSXText | JSXExpressionContainer | JSXSpreadChild | JSXElement | JSXFragment {
if (isStringLiteral(node)) {
return jsxText(node.value);
}
if (isCallExpression(node)) {
const args = node.arguments;
let name: JSXIdentifier | JSXMemberExpression | undefined;
if (isIdentifier(args[0]) || isStringLiteral(args[0])) {
name = jsxIdentifier(isIdentifier(args[0]) ? args[0].name : args[0].value);
} else if (isMemberExpression(args[0]) && isIdentifier(args[0].object) && isIdentifier(args[0].property)) {
name = jsxMemberExpression(jsxIdentifier(args[0].object.name), jsxIdentifier(args[0].property.name));
} else {
this.debugLog(`fail to parse component ${args[0].type} inside callExpression`);
return jsxExpressionContainer(node);
}
let props: JSXAttribute[] = [];
if (isObjectExpression(args[1])) {
props = args[1].properties.map((prop) => {
if (!isObjectProperty(prop) || !isIdentifier(prop.key)) return null;
if (isStringLiteral(prop.value)) {
return jsxAttribute(jsxIdentifier(prop.key.name), prop.value);
}
if (isBooleanLiteral(prop.value) && prop.value.value) {
return jsxAttribute(jsxIdentifier(prop.key.name), null);
}
if (isExpression(prop.value)) {
return jsxAttribute(jsxIdentifier(prop.key.name), jsxExpressionContainer(prop.value));
}
return null;
}).filter((e): e is JSXAttribute => e != null);
}
const children = args.slice(2).map((e) => (isExpression(e) ? this.parseJsx(e) : null)).filter((e): e is JSXElement => e != null);
if (children.length) {
return jsxElement(jsxOpeningElement(name, props), jsxClosingElement(name), children);
}
return jsxElement(jsxOpeningElement(name, props, true), null, []);
}
this.debugLog(`fail to parse component ${node.type}`);
return jsxExpressionContainer(node);
}