eslint-plugin-exception-handling/dist/src/utils/find-identifiers-in-children.js

💣 Lints unhandled functions that might throw errors. For JavaScript/TypeScript eslint.

import { isIdentifier } from "@typescript-eslint/utils/ast-utils";
import { isArrowFunctionExpression, isBlockStatement, isCallExpression, isExportNamedDeclaration, isExpressionStatement, isFunctionDeclaration, isImportDeclaration, isImportSpecifier, isMemberExpression, isProgram, isVariableDeclaration, isVariableDeclarator, } from "../../src/utils/ast-guards.js";
export const findIdentifiersInChildren = (name, nodes) => {
    const identifiers = [];
    for (const node of nodes) {
        if (isProgram(node)) {
            identifiers.push(...findIdentifiersInChildren(name, node.body));
        }
        else if (isIdentifier(node)) {
            if (node.name === name) {
                identifiers.push(node);
            }
        }
        else if (isFunctionDeclaration(node)) {
            if (node.id) {
                identifiers.push(...findIdentifiersInChildren(name, [node.id]));
            }
            identifiers.push(...findIdentifiersInChildren(name, node.body.body));
        }
        else if (isImportDeclaration(node)) {
            identifiers.push(...findIdentifiersInChildren(name, node.specifiers));
        }
        else if (isImportSpecifier(node)) {
            identifiers.push(...findIdentifiersInChildren(name, [node.local]));
        }
        else if (isVariableDeclaration(node)) {
            identifiers.push(...findIdentifiersInChildren(name, node.declarations));
        }
        else if (isVariableDeclarator(node)) {
            identifiers.push(...findIdentifiersInChildren(name, [node.id]));
        }
        else if (isBlockStatement(node)) {
            identifiers.push(...findIdentifiersInChildren(name, node.body));
        }
        else if (isExportNamedDeclaration(node) && node.declaration) {
            identifiers.push(...findIdentifiersInChildren(name, [node.declaration]));
        }
        else if (isArrowFunctionExpression(node)) {
            identifiers.push(...findIdentifiersInChildren(name, [node.body]));
        }
        else if (isExpressionStatement(node)) {
            identifiers.push(...findIdentifiersInChildren(name, [node.expression]));
        }
        else if (isCallExpression(node)) {
            identifiers.push(...findIdentifiersInChildren(name, [...node.arguments]));
        }
        else if (isMemberExpression(node)) {
            identifiers.push(...findIdentifiersInChildren(name, [node.property, node.object]));
        }
    }
    return identifiers;
};