@cosmwasm/ts-codegen/esm/utils/unused.js

@cosmwasm/ts-codegen converts your CosmWasm smart contracts into dev-friendly TypeScript classes so you can focus on shipping code.

//@ts-nocheck
import * as t from '@babel/types';
// https://github.com/chuyik/babel-plugin-danger-remove-unused-import
// https://github.com/chuyik/babel-plugin-danger-remove-unused-import/blob/c5454c21e94698a2464a12baa5590761932a71a8/License#L1
export const unused = {
    Program: {
        exit: (path) => {
            const UnRefBindings = new Map();
            for (const [name, binding] of Object.entries(path.scope.bindings)) {
                if (!binding.path.parentPath || binding.kind !== 'module')
                    continue;
                const source = binding.path.parentPath.get('source');
                const importName = source.node.value;
                if (!t.isStringLiteral(source))
                    continue;
                const key = `${importName}(${source.node.loc &&
                    source.node.loc.start.line})`;
                if (!UnRefBindings.has(key)) {
                    UnRefBindings.set(key, binding);
                }
                if (binding.referenced) {
                    UnRefBindings.set(key, null);
                }
                else {
                    const nodeType = binding.path.node.type;
                    if (nodeType === 'ImportSpecifier') {
                        binding.path.remove();
                    }
                    else if (nodeType === 'ImportDefaultSpecifier') {
                        binding.path.remove();
                    }
                    else if (nodeType === 'ImportNamespaceSpecifier') {
                        binding.path.remove();
                    }
                    else if (binding.path.parentPath) {
                        binding.path.parentPath.remove();
                    }
                }
            }
            UnRefBindings.forEach((binding, key) => {
                if (binding && binding.path.parentPath) {
                    binding.path.parentPath.remove();
                }
            });
        }
    }
};