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import-style: Cannot read property 'type' of undefined#902
#904
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@AriPerkkio

Description

@AriPerkkio
AriPerkkio
opened on Nov 22, 2020

Hello, I'm testing stability of well known community ESlint plugins with eslint-remote-tester. This eslint plugin seems to contain a rule which causes linter to crash. ESlint rules should not crash in any condition since this makes all valid linting problems disappear. If this is a false flag please let me know.

Crashing rule:

import-style

Minimal repro:

const { a, ...b } = require('./c');

This causes ESlint to dispaly an error:

TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-plugin-unicorn/rules/import-style.js:84:21)

Real-world examples:

eslint-remote-tester-results/reakit_reakit.md

Rule: import-style

  • Message: Cannot read property 'type' of undefined Occurred while linting <text>:2
  • Path: reakit/reakit/packages/reakit/jest.config.js
  • Link
const { join } = require("path");
const { projects, ...baseConfig } = require("../../jest.config");
const pkg = require("./package.json");

module.exports = {
  ...baseConfig,
  displayName: pkg.name,
TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:84:21)
    at gensyme54126958cf62 (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:300:32)
    at TemplateManager._matchTemplate (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:128:11)
    at newValue (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:290:17)
    at /<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:33
    at Array.forEach (<anonymous>)
    at newVisitor.<computed> (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:14)
    at /<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:49:25
    at Array.forEach (<anonymous>)
    at Object.emit (/<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:47:38)

Rule: import-style

  • Message: Cannot read property 'type' of undefined Occurred while linting <text>:2
  • Path: reakit/reakit/packages/reakit-playground/jest.config.js
  • Link
const { join } = require("path");
const { projects, ...baseConfig } = require("../../jest.config");
const pkg = require("./package.json");

module.exports = {
  ...baseConfig,
  displayName: pkg.name,
TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:84:21)
    at gensyme54126958cf62 (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:300:32)
    at TemplateManager._matchTemplate (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:128:11)
    at newValue (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:290:17)
    at /<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:33
    at Array.forEach (<anonymous>)
    at newVisitor.<computed> (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:14)
    at /<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:49:25
    at Array.forEach (<anonymous>)
    at Object.emit (/<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:47:38)

Rule: import-style

  • Message: Cannot read property 'type' of undefined Occurred while linting <text>:2
  • Path: reakit/reakit/packages/reakit-system/jest.config.js
  • Link
const { join } = require("path");
const { projects, ...baseConfig } = require("../../jest.config");
const pkg = require("./package.json");

module.exports = {
  ...baseConfig,
  displayName: pkg.name,
TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:84:21)
    at gensyme54126958cf62 (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:300:32)
    at TemplateManager._matchTemplate (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:128:11)
    at newValue (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:290:17)
    at /<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:33
    at Array.forEach (<anonymous>)
    at newVisitor.<computed> (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:14)
    at /<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:49:25
    at Array.forEach (<anonymous>)
    at Object.emit (/<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:47:38)

Rule: import-style

  • Message: Cannot read property 'type' of undefined Occurred while linting <text>:2
  • Path: reakit/reakit/packages/reakit-system-bootstrap/jest.config.js
  • Link
const { join } = require("path");
const { projects, ...baseConfig } = require("../../jest.config");
const pkg = require("./package.json");

module.exports = {
  ...baseConfig,
  displayName: pkg.name,
TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:84:21)
    at gensyme54126958cf62 (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:300:32)
    at TemplateManager._matchTemplate (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:128:11)
    at newValue (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:290:17)
    at /<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:33
    at Array.forEach (<anonymous>)
    at newVisitor.<computed> (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:14)
    at /<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:49:25
    at Array.forEach (<anonymous>)
    at Object.emit (/<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:47:38)

Rule: import-style

  • Message: Cannot read property 'type' of undefined Occurred while linting <text>:2
  • Path: reakit/reakit/packages/reakit-system-palette/jest.config.js
  • Link
const { join } = require("path");
const { projects, ...baseConfig } = require("../../jest.config");
const pkg = require("./package.json");

module.exports = {
  ...baseConfig,
  displayName: pkg.name,
TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:84:21)
    at gensyme54126958cf62 (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:300:32)
    at TemplateManager._matchTemplate (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:128:11)
    at newValue (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:290:17)
    at /<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:33
    at Array.forEach (<anonymous>)
    at newVisitor.<computed> (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:14)
    at /<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:49:25
    at Array.forEach (<anonymous>)
    at Object.emit (/<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:47:38)

Rule: import-style

  • Message: Cannot read property 'type' of undefined Occurred while linting <text>:2
  • Path: reakit/reakit/packages/reakit-test-utils/jest.config.js
  • Link
const { join } = require("path");
const { projects, ...baseConfig } = require("../../jest.config");
const pkg = require("./package.json");

module.exports = {
  ...baseConfig,
  displayName: pkg.name,
TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:84:21)
    at gensyme54126958cf62 (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:300:32)
    at TemplateManager._matchTemplate (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:128:11)
    at newValue (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:290:17)
    at /<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:33
    at Array.forEach (<anonymous>)
    at newVisitor.<computed> (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:14)
    at /<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:49:25
    at Array.forEach (<anonymous>)
    at Object.emit (/<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:47:38)

Rule: import-style

  • Message: Cannot read property 'type' of undefined Occurred while linting <text>:2
  • Path: reakit/reakit/packages/reakit-utils/jest.config.js
  • Link
const { join } = require("path");
const { projects, ...baseConfig } = require("../../jest.config");
const pkg = require("./package.json");

module.exports = {
  ...baseConfig,
  displayName: pkg.name,
TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:84:21)
    at gensyme54126958cf62 (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:300:32)
    at TemplateManager._matchTemplate (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:128:11)
    at newValue (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:290:17)
    at /<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:33
    at Array.forEach (<anonymous>)
    at newVisitor.<computed> (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:14)
    at /<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:49:25
    at Array.forEach (<anonymous>)
    at Object.emit (/<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:47:38)

Rule: import-style

  • Message: Cannot read property 'type' of undefined Occurred while linting <text>:2
  • Path: reakit/reakit/packages/reakit-warning/jest.config.js
  • Link
const { join } = require("path");
const { projects, ...baseConfig } = require("../../jest.config");
const pkg = require("./package.json");

module.exports = {
  ...baseConfig,
  displayName: pkg.name,
TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:84:21)
    at gensyme54126958cf62 (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:300:32)
    at TemplateManager._matchTemplate (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:128:11)
    at newValue (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:290:17)
    at /<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:33
    at Array.forEach (<anonymous>)
    at newVisitor.<computed> (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:14)
    at /<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:49:25
    at Array.forEach (<anonymous>)
    at Object.emit (/<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:47:38)

Rule: import-style

  • Message: Cannot read property 'type' of undefined Occurred while linting <text>:2
  • Path: reakit/reakit/packages/website/jest.config.js
  • Link
const { join } = require("path");
const { projects, ...baseConfig } = require("../../jest.config");
const pkg = require("./package.json");

module.exports = {
  ...baseConfig,
  displayName: pkg.name,
TypeError: Cannot read property 'type' of undefined
Occurred while linting <text>:2
    at getActualAssignmentTargetImportStyles (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:84:21)
    at gensyme54126958cf62 (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-plugin-unicorn/rules/import-style.js:300:32)
    at TemplateManager._matchTemplate (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:128:11)
    at newValue (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:290:17)
    at /<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:33
    at Array.forEach (<anonymous>)
    at newVisitor.<computed> (/<root-path-removed>/eslint-remote-tester/configs/node_modules/eslint-template-visitor/lib/index.js:300:14)
    at /<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:49:25
    at Array.forEach (<anonymous>)
    at Object.emit (/<root-path-removed>/eslint-remote-tester/node_modules/eslint/lib/linter/safe-emitter.js:47:38)

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