webhook/node_modules/eslint-plugin-import/lib/rules/no-unused-modules.js

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'use strict';
var _ExportMap = require('../ExportMap');var _ExportMap2 = _interopRequireDefault(_ExportMap);
var _ignore = require('eslint-module-utils/ignore');
var _resolve = require('eslint-module-utils/resolve');var _resolve2 = _interopRequireDefault(_resolve);
var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);
var _path = require('path');
var _readPkgUp = require('read-pkg-up');var _readPkgUp2 = _interopRequireDefault(_readPkgUp);
var _object = require('object.values');var _object2 = _interopRequireDefault(_object);
var _arrayIncludes = require('array-includes');var _arrayIncludes2 = _interopRequireDefault(_arrayIncludes);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}function _toConsumableArray(arr) {if (Array.isArray(arr)) {for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];return arr2;} else {return Array.from(arr);}} /**
* @fileOverview Ensures that modules contain exports and/or all
* modules are consumed within other modules.
* @author René Fermann
*/ // eslint/lib/util/glob-util has been moved to eslint/lib/util/glob-utils with version 5.3
// and has been moved to eslint/lib/cli-engine/file-enumerator in version 6
let listFilesToProcess;try {const FileEnumerator = require('eslint/lib/cli-engine/file-enumerator').FileEnumerator;
listFilesToProcess = function (src, extensions) {
const e = new FileEnumerator({
extensions: extensions });
return Array.from(e.iterateFiles(src), (_ref) => {let filePath = _ref.filePath,ignored = _ref.ignored;return {
ignored,
filename: filePath };});
};
} catch (e1) {
// Prevent passing invalid options (extensions array) to old versions of the function.
// https://github.com/eslint/eslint/blob/v5.16.0/lib/util/glob-utils.js#L178-L280
// https://github.com/eslint/eslint/blob/v5.2.0/lib/util/glob-util.js#L174-L269
let originalListFilesToProcess;
try {
originalListFilesToProcess = require('eslint/lib/util/glob-utils').listFilesToProcess;
listFilesToProcess = function (src, extensions) {
return originalListFilesToProcess(src, {
extensions: extensions });
};
} catch (e2) {
originalListFilesToProcess = require('eslint/lib/util/glob-util').listFilesToProcess;
listFilesToProcess = function (src, extensions) {
const patterns = src.reduce((carry, pattern) => {
return carry.concat(extensions.map(extension => {
return (/\*\*|\*\./.test(pattern) ? pattern : `${pattern}/**/*${extension}`);
}));
}, src.slice());
return originalListFilesToProcess(patterns);
};
}
}
const EXPORT_DEFAULT_DECLARATION = 'ExportDefaultDeclaration';
const EXPORT_NAMED_DECLARATION = 'ExportNamedDeclaration';
const EXPORT_ALL_DECLARATION = 'ExportAllDeclaration';
const IMPORT_DECLARATION = 'ImportDeclaration';
const IMPORT_NAMESPACE_SPECIFIER = 'ImportNamespaceSpecifier';
const IMPORT_DEFAULT_SPECIFIER = 'ImportDefaultSpecifier';
const VARIABLE_DECLARATION = 'VariableDeclaration';
const FUNCTION_DECLARATION = 'FunctionDeclaration';
const CLASS_DECLARATION = 'ClassDeclaration';
const INTERFACE_DECLARATION = 'InterfaceDeclaration';
const TYPE_ALIAS = 'TypeAlias';
const TS_INTERFACE_DECLARATION = 'TSInterfaceDeclaration';
const TS_TYPE_ALIAS_DECLARATION = 'TSTypeAliasDeclaration';
const TS_ENUM_DECLARATION = 'TSEnumDeclaration';
const DEFAULT = 'default';
function forEachDeclarationIdentifier(declaration, cb) {
if (declaration) {
if (
declaration.type === FUNCTION_DECLARATION ||
declaration.type === CLASS_DECLARATION ||
declaration.type === INTERFACE_DECLARATION ||
declaration.type === TYPE_ALIAS ||
declaration.type === TS_INTERFACE_DECLARATION ||
declaration.type === TS_TYPE_ALIAS_DECLARATION ||
declaration.type === TS_ENUM_DECLARATION)
{
cb(declaration.id.name);
} else if (declaration.type === VARIABLE_DECLARATION) {
declaration.declarations.forEach((_ref2) => {let id = _ref2.id;
cb(id.name);
});
}
}
}
/**
* List of imports per file.
*
* Represented by a two-level Map to a Set of identifiers. The upper-level Map
* keys are the paths to the modules containing the imports, while the
* lower-level Map keys are the paths to the files which are being imported
* from. Lastly, the Set of identifiers contains either names being imported
* or a special AST node name listed above (e.g ImportDefaultSpecifier).
*
* For example, if we have a file named foo.js containing:
*
* import { o2 } from './bar.js';
*
* Then we will have a structure that looks like:
*
* Map { 'foo.js' => Map { 'bar.js' => Set { 'o2' } } }
*
* @type {Map<string, Map<string, Set<string>>>}
*/
const importList = new Map();
/**
* List of exports per file.
*
* Represented by a two-level Map to an object of metadata. The upper-level Map
* keys are the paths to the modules containing the exports, while the
* lower-level Map keys are the specific identifiers or special AST node names
* being exported. The leaf-level metadata object at the moment only contains a
* `whereUsed` propoerty, which contains a Set of paths to modules that import
* the name.
*
* For example, if we have a file named bar.js containing the following exports:
*
* const o2 = 'bar';
* export { o2 };
*
* And a file named foo.js containing the following import:
*
* import { o2 } from './bar.js';
*
* Then we will have a structure that looks like:
*
* Map { 'bar.js' => Map { 'o2' => { whereUsed: Set { 'foo.js' } } } }
*
* @type {Map<string, Map<string, object>>}
*/
const exportList = new Map();
const ignoredFiles = new Set();
const filesOutsideSrc = new Set();
const isNodeModule = path => {
return (/\/(node_modules)\//.test(path));
};
/**
* read all files matching the patterns in src and ignoreExports
*
* return all files matching src pattern, which are not matching the ignoreExports pattern
*/
const resolveFiles = (src, ignoreExports, context) => {
const extensions = Array.from((0, _ignore.getFileExtensions)(context.settings));
const srcFiles = new Set();
const srcFileList = listFilesToProcess(src, extensions);
// prepare list of ignored files
const ignoredFilesList = listFilesToProcess(ignoreExports, extensions);
ignoredFilesList.forEach((_ref3) => {let filename = _ref3.filename;return ignoredFiles.add(filename);});
// prepare list of source files, don't consider files from node_modules
srcFileList.filter((_ref4) => {let filename = _ref4.filename;return !isNodeModule(filename);}).forEach((_ref5) => {let filename = _ref5.filename;
srcFiles.add(filename);
});
return srcFiles;
};
/**
* parse all source files and build up 2 maps containing the existing imports and exports
*/
const prepareImportsAndExports = (srcFiles, context) => {
const exportAll = new Map();
srcFiles.forEach(file => {
const exports = new Map();
const imports = new Map();
const currentExports = _ExportMap2.default.get(file, context);
if (currentExports) {const
dependencies = currentExports.dependencies,reexports = currentExports.reexports,localImportList = currentExports.imports,namespace = currentExports.namespace;
// dependencies === export * from
const currentExportAll = new Set();
dependencies.forEach(getDependency => {
const dependency = getDependency();
if (dependency === null) {
return;
}
currentExportAll.add(dependency.path);
});
exportAll.set(file, currentExportAll);
reexports.forEach((value, key) => {
if (key === DEFAULT) {
exports.set(IMPORT_DEFAULT_SPECIFIER, { whereUsed: new Set() });
} else {
exports.set(key, { whereUsed: new Set() });
}
const reexport = value.getImport();
if (!reexport) {
return;
}
let localImport = imports.get(reexport.path);
let currentValue;
if (value.local === DEFAULT) {
currentValue = IMPORT_DEFAULT_SPECIFIER;
} else {
currentValue = value.local;
}
if (typeof localImport !== 'undefined') {
localImport = new Set([].concat(_toConsumableArray(localImport), [currentValue]));
} else {
localImport = new Set([currentValue]);
}
imports.set(reexport.path, localImport);
});
localImportList.forEach((value, key) => {
if (isNodeModule(key)) {
return;
}
let localImport = imports.get(key);
if (typeof localImport !== 'undefined') {
localImport = new Set([].concat(_toConsumableArray(localImport), _toConsumableArray(value.importedSpecifiers)));
} else {
localImport = value.importedSpecifiers;
}
imports.set(key, localImport);
});
importList.set(file, imports);
// build up export list only, if file is not ignored
if (ignoredFiles.has(file)) {
return;
}
namespace.forEach((value, key) => {
if (key === DEFAULT) {
exports.set(IMPORT_DEFAULT_SPECIFIER, { whereUsed: new Set() });
} else {
exports.set(key, { whereUsed: new Set() });
}
});
}
exports.set(EXPORT_ALL_DECLARATION, { whereUsed: new Set() });
exports.set(IMPORT_NAMESPACE_SPECIFIER, { whereUsed: new Set() });
exportList.set(file, exports);
});
exportAll.forEach((value, key) => {
value.forEach(val => {
const currentExports = exportList.get(val);
const currentExport = currentExports.get(EXPORT_ALL_DECLARATION);
currentExport.whereUsed.add(key);
});
});
};
/**
* traverse through all imports and add the respective path to the whereUsed-list
* of the corresponding export
*/
const determineUsage = () => {
importList.forEach((listValue, listKey) => {
listValue.forEach((value, key) => {
const exports = exportList.get(key);
if (typeof exports !== 'undefined') {
value.forEach(currentImport => {
let specifier;
if (currentImport === IMPORT_NAMESPACE_SPECIFIER) {
specifier = IMPORT_NAMESPACE_SPECIFIER;
} else if (currentImport === IMPORT_DEFAULT_SPECIFIER) {
specifier = IMPORT_DEFAULT_SPECIFIER;
} else {
specifier = currentImport;
}
if (typeof specifier !== 'undefined') {
const exportStatement = exports.get(specifier);
if (typeof exportStatement !== 'undefined') {const
whereUsed = exportStatement.whereUsed;
whereUsed.add(listKey);
exports.set(specifier, { whereUsed });
}
}
});
}
});
});
};
const getSrc = src => {
if (src) {
return src;
}
return [process.cwd()];
};
/**
* prepare the lists of existing imports and exports - should only be executed once at
* the start of a new eslint run
*/
let srcFiles;
let lastPrepareKey;
const doPreparation = (src, ignoreExports, context) => {
const prepareKey = JSON.stringify({
src: (src || []).sort(),
ignoreExports: (ignoreExports || []).sort(),
extensions: Array.from((0, _ignore.getFileExtensions)(context.settings)).sort() });
if (prepareKey === lastPrepareKey) {
return;
}
importList.clear();
exportList.clear();
ignoredFiles.clear();
filesOutsideSrc.clear();
srcFiles = resolveFiles(getSrc(src), ignoreExports, context);
prepareImportsAndExports(srcFiles, context);
determineUsage();
lastPrepareKey = prepareKey;
};
const newNamespaceImportExists = specifiers =>
specifiers.some((_ref6) => {let type = _ref6.type;return type === IMPORT_NAMESPACE_SPECIFIER;});
const newDefaultImportExists = specifiers =>
specifiers.some((_ref7) => {let type = _ref7.type;return type === IMPORT_DEFAULT_SPECIFIER;});
const fileIsInPkg = file => {var _readPkgUp$sync =
_readPkgUp2.default.sync({ cwd: file, normalize: false });const path = _readPkgUp$sync.path,pkg = _readPkgUp$sync.pkg;
const basePath = (0, _path.dirname)(path);
const checkPkgFieldString = pkgField => {
if ((0, _path.join)(basePath, pkgField) === file) {
return true;
}
};
const checkPkgFieldObject = pkgField => {
const pkgFieldFiles = (0, _object2.default)(pkgField).map(value => (0, _path.join)(basePath, value));
if ((0, _arrayIncludes2.default)(pkgFieldFiles, file)) {
return true;
}
};
const checkPkgField = pkgField => {
if (typeof pkgField === 'string') {
return checkPkgFieldString(pkgField);
}
if (typeof pkgField === 'object') {
return checkPkgFieldObject(pkgField);
}
};
if (pkg.private === true) {
return false;
}
if (pkg.bin) {
if (checkPkgField(pkg.bin)) {
return true;
}
}
if (pkg.browser) {
if (checkPkgField(pkg.browser)) {
return true;
}
}
if (pkg.main) {
if (checkPkgFieldString(pkg.main)) {
return true;
}
}
return false;
};
module.exports = {
meta: {
type: 'suggestion',
docs: { url: (0, _docsUrl2.default)('no-unused-modules') },
schema: [{
properties: {
src: {
description: 'files/paths to be analyzed (only for unused exports)',
type: 'array',
minItems: 1,
items: {
type: 'string',
minLength: 1 } },
ignoreExports: {
description:
'files/paths for which unused exports will not be reported (e.g module entry points)',
type: 'array',
minItems: 1,
items: {
type: 'string',
minLength: 1 } },
missingExports: {
description: 'report modules without any exports',
type: 'boolean' },
unusedExports: {
description: 'report exports without any usage',
type: 'boolean' } },
not: {
properties: {
unusedExports: { enum: [false] },
missingExports: { enum: [false] } } },
anyOf: [{
not: {
properties: {
unusedExports: { enum: [true] } } },
required: ['missingExports'] },
{
not: {
properties: {
missingExports: { enum: [true] } } },
required: ['unusedExports'] },
{
properties: {
unusedExports: { enum: [true] } },
required: ['unusedExports'] },
{
properties: {
missingExports: { enum: [true] } },
required: ['missingExports'] }] }] },
create: context => {var _ref8 =
context.options[0] || {};const src = _ref8.src;var _ref8$ignoreExports = _ref8.ignoreExports;const ignoreExports = _ref8$ignoreExports === undefined ? [] : _ref8$ignoreExports,missingExports = _ref8.missingExports,unusedExports = _ref8.unusedExports;
if (unusedExports) {
doPreparation(src, ignoreExports, context);
}
const file = context.getFilename();
const checkExportPresence = node => {
if (!missingExports) {
return;
}
if (ignoredFiles.has(file)) {
return;
}
const exportCount = exportList.get(file);
const exportAll = exportCount.get(EXPORT_ALL_DECLARATION);
const namespaceImports = exportCount.get(IMPORT_NAMESPACE_SPECIFIER);
exportCount.delete(EXPORT_ALL_DECLARATION);
exportCount.delete(IMPORT_NAMESPACE_SPECIFIER);
if (exportCount.size < 1) {
// node.body[0] === 'undefined' only happens, if everything is commented out in the file
// being linted
context.report(node.body[0] ? node.body[0] : node, 'No exports found');
}
exportCount.set(EXPORT_ALL_DECLARATION, exportAll);
exportCount.set(IMPORT_NAMESPACE_SPECIFIER, namespaceImports);
};
const checkUsage = (node, exportedValue) => {
if (!unusedExports) {
return;
}
if (ignoredFiles.has(file)) {
return;
}
if (fileIsInPkg(file)) {
return;
}
if (filesOutsideSrc.has(file)) {
return;
}
// make sure file to be linted is included in source files
if (!srcFiles.has(file)) {
srcFiles = resolveFiles(getSrc(src), ignoreExports, context);
if (!srcFiles.has(file)) {
filesOutsideSrc.add(file);
return;
}
}
exports = exportList.get(file);
// special case: export * from
const exportAll = exports.get(EXPORT_ALL_DECLARATION);
if (typeof exportAll !== 'undefined' && exportedValue !== IMPORT_DEFAULT_SPECIFIER) {
if (exportAll.whereUsed.size > 0) {
return;
}
}
// special case: namespace import
const namespaceImports = exports.get(IMPORT_NAMESPACE_SPECIFIER);
if (typeof namespaceImports !== 'undefined') {
if (namespaceImports.whereUsed.size > 0) {
return;
}
}
// exportsList will always map any imported value of 'default' to 'ImportDefaultSpecifier'
const exportsKey = exportedValue === DEFAULT ? IMPORT_DEFAULT_SPECIFIER : exportedValue;
const exportStatement = exports.get(exportsKey);
const value = exportsKey === IMPORT_DEFAULT_SPECIFIER ? DEFAULT : exportsKey;
if (typeof exportStatement !== 'undefined') {
if (exportStatement.whereUsed.size < 1) {
context.report(
node,
`exported declaration '${value}' not used within other modules`);
}
} else {
context.report(
node,
`exported declaration '${value}' not used within other modules`);
}
};
/**
* only useful for tools like vscode-eslint
*
* update lists of existing exports during runtime
*/
const updateExportUsage = node => {
if (ignoredFiles.has(file)) {
return;
}
let exports = exportList.get(file);
// new module has been created during runtime
// include it in further processing
if (typeof exports === 'undefined') {
exports = new Map();
}
const newExports = new Map();
const newExportIdentifiers = new Set();
node.body.forEach((_ref9) => {let type = _ref9.type,declaration = _ref9.declaration,specifiers = _ref9.specifiers;
if (type === EXPORT_DEFAULT_DECLARATION) {
newExportIdentifiers.add(IMPORT_DEFAULT_SPECIFIER);
}
if (type === EXPORT_NAMED_DECLARATION) {
if (specifiers.length > 0) {
specifiers.forEach(specifier => {
if (specifier.exported) {
newExportIdentifiers.add(specifier.exported.name);
}
});
}
forEachDeclarationIdentifier(declaration, name => {
newExportIdentifiers.add(name);
});
}
});
// old exports exist within list of new exports identifiers: add to map of new exports
exports.forEach((value, key) => {
if (newExportIdentifiers.has(key)) {
newExports.set(key, value);
}
});
// new export identifiers added: add to map of new exports
newExportIdentifiers.forEach(key => {
if (!exports.has(key)) {
newExports.set(key, { whereUsed: new Set() });
}
});
// preserve information about namespace imports
let exportAll = exports.get(EXPORT_ALL_DECLARATION);
let namespaceImports = exports.get(IMPORT_NAMESPACE_SPECIFIER);
if (typeof namespaceImports === 'undefined') {
namespaceImports = { whereUsed: new Set() };
}
newExports.set(EXPORT_ALL_DECLARATION, exportAll);
newExports.set(IMPORT_NAMESPACE_SPECIFIER, namespaceImports);
exportList.set(file, newExports);
};
/**
* only useful for tools like vscode-eslint
*
* update lists of existing imports during runtime
*/
const updateImportUsage = node => {
if (!unusedExports) {
return;
}
let oldImportPaths = importList.get(file);
if (typeof oldImportPaths === 'undefined') {
oldImportPaths = new Map();
}
const oldNamespaceImports = new Set();
const newNamespaceImports = new Set();
const oldExportAll = new Set();
const newExportAll = new Set();
const oldDefaultImports = new Set();
const newDefaultImports = new Set();
const oldImports = new Map();
const newImports = new Map();
oldImportPaths.forEach((value, key) => {
if (value.has(EXPORT_ALL_DECLARATION)) {
oldExportAll.add(key);
}
if (value.has(IMPORT_NAMESPACE_SPECIFIER)) {
oldNamespaceImports.add(key);
}
if (value.has(IMPORT_DEFAULT_SPECIFIER)) {
oldDefaultImports.add(key);
}
value.forEach(val => {
if (val !== IMPORT_NAMESPACE_SPECIFIER &&
val !== IMPORT_DEFAULT_SPECIFIER) {
oldImports.set(val, key);
}
});
});
node.body.forEach(astNode => {
let resolvedPath;
// support for export { value } from 'module'
if (astNode.type === EXPORT_NAMED_DECLARATION) {
if (astNode.source) {
resolvedPath = (0, _resolve2.default)(astNode.source.raw.replace(/('|")/g, ''), context);
astNode.specifiers.forEach(specifier => {
const name = specifier.local.name;
if (specifier.local.name === DEFAULT) {
newDefaultImports.add(resolvedPath);
} else {
newImports.set(name, resolvedPath);
}
});
}
}
if (astNode.type === EXPORT_ALL_DECLARATION) {
resolvedPath = (0, _resolve2.default)(astNode.source.raw.replace(/('|")/g, ''), context);
newExportAll.add(resolvedPath);
}
if (astNode.type === IMPORT_DECLARATION) {
resolvedPath = (0, _resolve2.default)(astNode.source.raw.replace(/('|")/g, ''), context);
if (!resolvedPath) {
return;
}
if (isNodeModule(resolvedPath)) {
return;
}
if (newNamespaceImportExists(astNode.specifiers)) {
newNamespaceImports.add(resolvedPath);
}
if (newDefaultImportExists(astNode.specifiers)) {
newDefaultImports.add(resolvedPath);
}
astNode.specifiers.forEach(specifier => {
if (specifier.type === IMPORT_DEFAULT_SPECIFIER ||
specifier.type === IMPORT_NAMESPACE_SPECIFIER) {
return;
}
newImports.set(specifier.imported.name, resolvedPath);
});
}
});
newExportAll.forEach(value => {
if (!oldExportAll.has(value)) {
let imports = oldImportPaths.get(value);
if (typeof imports === 'undefined') {
imports = new Set();
}
imports.add(EXPORT_ALL_DECLARATION);
oldImportPaths.set(value, imports);
let exports = exportList.get(value);
let currentExport;
if (typeof exports !== 'undefined') {
currentExport = exports.get(EXPORT_ALL_DECLARATION);
} else {
exports = new Map();
exportList.set(value, exports);
}
if (typeof currentExport !== 'undefined') {
currentExport.whereUsed.add(file);
} else {
const whereUsed = new Set();
whereUsed.add(file);
exports.set(EXPORT_ALL_DECLARATION, { whereUsed });
}
}
});
oldExportAll.forEach(value => {
if (!newExportAll.has(value)) {
const imports = oldImportPaths.get(value);
imports.delete(EXPORT_ALL_DECLARATION);
const exports = exportList.get(value);
if (typeof exports !== 'undefined') {
const currentExport = exports.get(EXPORT_ALL_DECLARATION);
if (typeof currentExport !== 'undefined') {
currentExport.whereUsed.delete(file);
}
}
}
});
newDefaultImports.forEach(value => {
if (!oldDefaultImports.has(value)) {
let imports = oldImportPaths.get(value);
if (typeof imports === 'undefined') {
imports = new Set();
}
imports.add(IMPORT_DEFAULT_SPECIFIER);
oldImportPaths.set(value, imports);
let exports = exportList.get(value);
let currentExport;
if (typeof exports !== 'undefined') {
currentExport = exports.get(IMPORT_DEFAULT_SPECIFIER);
} else {
exports = new Map();
exportList.set(value, exports);
}
if (typeof currentExport !== 'undefined') {
currentExport.whereUsed.add(file);
} else {
const whereUsed = new Set();
whereUsed.add(file);
exports.set(IMPORT_DEFAULT_SPECIFIER, { whereUsed });
}
}
});
oldDefaultImports.forEach(value => {
if (!newDefaultImports.has(value)) {
const imports = oldImportPaths.get(value);
imports.delete(IMPORT_DEFAULT_SPECIFIER);
const exports = exportList.get(value);
if (typeof exports !== 'undefined') {
const currentExport = exports.get(IMPORT_DEFAULT_SPECIFIER);
if (typeof currentExport !== 'undefined') {
currentExport.whereUsed.delete(file);
}
}
}
});
newNamespaceImports.forEach(value => {
if (!oldNamespaceImports.has(value)) {
let imports = oldImportPaths.get(value);
if (typeof imports === 'undefined') {
imports = new Set();
}
imports.add(IMPORT_NAMESPACE_SPECIFIER);
oldImportPaths.set(value, imports);
let exports = exportList.get(value);
let currentExport;
if (typeof exports !== 'undefined') {
currentExport = exports.get(IMPORT_NAMESPACE_SPECIFIER);
} else {
exports = new Map();
exportList.set(value, exports);
}
if (typeof currentExport !== 'undefined') {
currentExport.whereUsed.add(file);
} else {
const whereUsed = new Set();
whereUsed.add(file);
exports.set(IMPORT_NAMESPACE_SPECIFIER, { whereUsed });
}
}
});
oldNamespaceImports.forEach(value => {
if (!newNamespaceImports.has(value)) {
const imports = oldImportPaths.get(value);
imports.delete(IMPORT_NAMESPACE_SPECIFIER);
const exports = exportList.get(value);
if (typeof exports !== 'undefined') {
const currentExport = exports.get(IMPORT_NAMESPACE_SPECIFIER);
if (typeof currentExport !== 'undefined') {
currentExport.whereUsed.delete(file);
}
}
}
});
newImports.forEach((value, key) => {
if (!oldImports.has(key)) {
let imports = oldImportPaths.get(value);
if (typeof imports === 'undefined') {
imports = new Set();
}
imports.add(key);
oldImportPaths.set(value, imports);
let exports = exportList.get(value);
let currentExport;
if (typeof exports !== 'undefined') {
currentExport = exports.get(key);
} else {
exports = new Map();
exportList.set(value, exports);
}
if (typeof currentExport !== 'undefined') {
currentExport.whereUsed.add(file);
} else {
const whereUsed = new Set();
whereUsed.add(file);
exports.set(key, { whereUsed });
}
}
});
oldImports.forEach((value, key) => {
if (!newImports.has(key)) {
const imports = oldImportPaths.get(value);
imports.delete(key);
const exports = exportList.get(value);
if (typeof exports !== 'undefined') {
const currentExport = exports.get(key);
if (typeof currentExport !== 'undefined') {
currentExport.whereUsed.delete(file);
}
}
}
});
};
return {
'Program:exit': node => {
updateExportUsage(node);
updateImportUsage(node);
checkExportPresence(node);
},
'ExportDefaultDeclaration': node => {
checkUsage(node, IMPORT_DEFAULT_SPECIFIER);
},
'ExportNamedDeclaration': node => {
node.specifiers.forEach(specifier => {
checkUsage(node, specifier.exported.name);
});
forEachDeclarationIdentifier(node.declaration, name => {
checkUsage(node, name);
});
} };
} };
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