Gecko [ c.stage.kornherr.net ]

Name	Size	Permission	Date
utils	[ DIR ]	drwxr-xr-x	2024-07-10 10:55
accessor-pairs.js	12.41 KB	-rw-r--r--	2019-09-14 01:35
array-bracket-newline.js	9.43 KB	-rw-r--r--	2019-09-14 01:35
array-bracket-spacing.js	8.85 KB	-rw-r--r--	2019-09-14 01:35
array-callback-return.js	7.98 KB	-rw-r--r--	2019-09-14 01:35
array-element-newline.js	9.22 KB	-rw-r--r--	2023-12-15 20:21
arrow-body-style.js	10.27 KB	-rw-r--r--	2019-09-14 01:35
arrow-parens.js	6.38 KB	-rw-r--r--	2019-09-14 01:35
arrow-spacing.js	5.08 KB	-rw-r--r--	2019-09-14 01:35
block-scoped-var.js	3.58 KB	-rw-r--r--	2019-09-14 01:35
block-spacing.js	4.99 KB	-rw-r--r--	2019-09-14 01:35
brace-style.js	7.71 KB	-rw-r--r--	2019-09-14 01:35
callback-return.js	6.33 KB	-rw-r--r--	2019-09-14 01:35
camelcase.js	8.29 KB	-rw-r--r--	2019-09-14 01:35
capitalized-comments.js	10.68 KB	-rw-r--r--	2023-12-15 20:21
class-methods-use-this.js	3.81 KB	-rw-r--r--	2019-09-14 01:35
comma-dangle.js	11.75 KB	-rw-r--r--	2019-09-14 01:35
comma-spacing.js	6.53 KB	-rw-r--r--	2019-09-14 01:35
comma-style.js	11.78 KB	-rw-r--r--	2019-09-14 01:35
complexity.js	4.94 KB	-rw-r--r--	2019-09-14 01:35
computed-property-spacing.js	7.17 KB	-rw-r--r--	2019-09-14 01:35
consistent-return.js	6.59 KB	-rw-r--r--	2019-09-14 01:35
consistent-this.js	4.86 KB	-rw-r--r--	2019-09-14 01:35
constructor-super.js	13.49 KB	-rw-r--r--	2019-09-14 01:35
curly.js	16.24 KB	-rw-r--r--	2019-09-14 01:35
default-case.js	2.76 KB	-rw-r--r--	2019-09-14 01:35
default-param-last.js	1.5 KB	-rw-r--r--	2019-09-14 01:35
dot-location.js	3.34 KB	-rw-r--r--	2019-09-14 01:35
dot-notation.js	6.47 KB	-rw-r--r--	2019-09-14 01:35
eol-last.js	3.79 KB	-rw-r--r--	2019-09-14 01:35
eqeqeq.js	5.55 KB	-rw-r--r--	2023-12-15 20:21
for-direction.js	4.27 KB	-rw-r--r--	2019-09-14 01:35
func-call-spacing.js	7.29 KB	-rw-r--r--	2019-09-14 01:35
func-name-matching.js	9.84 KB	-rw-r--r--	2023-12-15 20:21
func-names.js	6.09 KB	-rw-r--r--	2023-12-15 20:21
func-style.js	2.84 KB	-rw-r--r--	2019-09-14 01:35
function-call-argument-newline.js	4.13 KB	-rw-r--r--	2019-09-14 01:35
function-paren-newline.js	11.15 KB	-rw-r--r--	2019-09-14 01:35
generator-star-spacing.js	6.98 KB	-rw-r--r--	2019-09-14 01:35
getter-return.js	6.02 KB	-rw-r--r--	2019-09-14 01:35
global-require.js	2.3 KB	-rw-r--r--	2019-09-14 01:35
guard-for-in.js	2.3 KB	-rw-r--r--	2019-09-14 01:35
handle-callback-err.js	2.92 KB	-rw-r--r--	2019-09-14 01:35
id-blacklist.js	4.05 KB	-rw-r--r--	2019-09-14 01:35
id-length.js	4.12 KB	-rw-r--r--	2019-09-14 01:35
id-match.js	8.14 KB	-rw-r--r--	2019-09-14 01:35
implicit-arrow-linebreak.js	2.79 KB	-rw-r--r--	2019-09-14 01:35
indent-legacy.js	44.45 KB	-rw-r--r--	2019-09-14 01:35
indent.js	68.68 KB	-rw-r--r--	2019-09-14 01:35
index.js	16.34 KB	-rw-r--r--	2019-09-14 01:35
init-declarations.js	4.37 KB	-rw-r--r--	2019-09-14 01:35
jsx-quotes.js	2.89 KB	-rw-r--r--	2019-09-14 01:35
key-spacing.js	24.82 KB	-rw-r--r--	2019-09-14 01:35
keyword-spacing.js	21.2 KB	-rw-r--r--	2019-09-14 01:35
line-comment-position.js	4.08 KB	-rw-r--r--	2019-09-14 01:35
linebreak-style.js	3.17 KB	-rw-r--r--	2019-09-14 01:35
lines-around-comment.js	15.54 KB	-rw-r--r--	2019-09-14 01:35
lines-around-directive.js	7.58 KB	-rw-r--r--	2019-09-14 01:35
lines-between-class-members.js	5.05 KB	-rw-r--r--	2019-09-14 01:35
max-classes-per-file.js	1.73 KB	-rw-r--r--	2019-09-14 01:35
max-depth.js	4.59 KB	-rw-r--r--	2019-09-14 01:35
max-len.js	13.8 KB	-rw-r--r--	2019-09-14 01:35
max-lines-per-function.js	6.89 KB	-rw-r--r--	2019-09-14 01:35
max-lines.js	4.59 KB	-rw-r--r--	2019-09-14 01:35
max-nested-callbacks.js	3.47 KB	-rw-r--r--	2019-09-14 01:35
max-params.js	3.07 KB	-rw-r--r--	2019-09-14 01:35
max-statements-per-line.js	7.31 KB	-rw-r--r--	2019-09-14 01:35
max-statements.js	5.4 KB	-rw-r--r--	2019-09-14 01:35
multiline-comment-style.js	14.42 KB	-rw-r--r--	2019-09-14 01:35
multiline-ternary.js	3.42 KB	-rw-r--r--	2019-09-14 01:35
new-cap.js	9.44 KB	-rw-r--r--	2019-09-14 01:35
new-parens.js	3.14 KB	-rw-r--r--	2019-09-14 01:35
newline-after-var.js	9.6 KB	-rw-r--r--	2019-09-14 01:35
newline-before-return.js	7.89 KB	-rw-r--r--	2019-09-14 01:35
newline-per-chained-call.js	3.56 KB	-rw-r--r--	2019-09-14 01:35
no-alert.js	3.96 KB	-rw-r--r--	2019-09-14 01:35
no-array-constructor.js	1.36 KB	-rw-r--r--	2019-09-14 01:35
no-async-promise-executor.js	1.1 KB	-rw-r--r--	2019-09-14 01:35
no-await-in-loop.js	2.72 KB	-rw-r--r--	2019-09-14 01:35
no-bitwise.js	3.51 KB	-rw-r--r--	2019-09-14 01:35
no-buffer-constructor.js	1.31 KB	-rw-r--r--	2019-09-14 01:35
no-caller.js	1.17 KB	-rw-r--r--	2019-09-14 01:35
no-case-declarations.js	1.82 KB	-rw-r--r--	2019-09-14 01:35
no-catch-shadow.js	2.44 KB	-rw-r--r--	2019-09-14 01:35
no-class-assign.js	1.67 KB	-rw-r--r--	2019-09-14 01:35
no-compare-neg-zero.js	1.9 KB	-rw-r--r--	2019-09-14 01:35
no-cond-assign.js	5.04 KB	-rw-r--r--	2019-09-14 01:35
no-confusing-arrow.js	2.55 KB	-rw-r--r--	2019-09-14 01:35
no-console.js	4.21 KB	-rw-r--r--	2019-09-14 01:35
no-const-assign.js	1.46 KB	-rw-r--r--	2019-09-14 01:35
no-constant-condition.js	8.48 KB	-rw-r--r--	2019-09-14 01:35
no-continue.js	875 B	-rw-r--r--	2019-09-14 01:35
no-control-regex.js	3.14 KB	-rw-r--r--	2019-09-14 01:35
no-debugger.js	947 B	-rw-r--r--	2019-09-14 01:35
no-delete-var.js	965 B	-rw-r--r--	2019-09-14 01:35
no-div-regex.js	1.42 KB	-rw-r--r--	2019-09-14 01:35
no-dupe-args.js	2.3 KB	-rw-r--r--	2019-09-14 01:35
no-dupe-class-members.js	3.58 KB	-rw-r--r--	2019-09-14 01:35
no-dupe-keys.js	3.87 KB	-rw-r--r--	2019-09-14 01:35
no-duplicate-case.js	1.36 KB	-rw-r--r--	2019-09-14 01:35
no-duplicate-imports.js	4.43 KB	-rw-r--r--	2019-09-14 01:35
no-else-return.js	15.74 KB	-rw-r--r--	2019-09-14 01:35
no-empty-character-class.js	1.91 KB	-rw-r--r--	2019-09-14 01:35
no-empty-function.js	4.61 KB	-rw-r--r--	2019-09-14 01:35
no-empty-pattern.js	1.15 KB	-rw-r--r--	2019-09-14 01:35
no-empty.js	2.44 KB	-rw-r--r--	2019-09-14 01:35
no-eq-null.js	1.21 KB	-rw-r--r--	2019-09-14 01:35
no-eval.js	9.31 KB	-rw-r--r--	2019-09-14 01:35
no-ex-assign.js	1.37 KB	-rw-r--r--	2019-09-14 01:35
no-extend-native.js	6.95 KB	-rw-r--r--	2019-09-14 01:35
no-extra-bind.js	5.71 KB	-rw-r--r--	2019-09-14 01:35
no-extra-boolean-cast.js	6.52 KB	-rw-r--r--	2019-09-14 01:35
no-extra-label.js	4.76 KB	-rw-r--r--	2019-09-14 01:35
no-extra-parens.js	39.11 KB	-rw-r--r--	2019-09-14 01:35
no-extra-semi.js	4.11 KB	-rw-r--r--	2019-09-14 01:35
no-fallthrough.js	4.78 KB	-rw-r--r--	2019-09-14 01:35
no-floating-decimal.js	2.33 KB	-rw-r--r--	2019-09-14 01:35
no-func-assign.js	1.96 KB	-rw-r--r--	2019-09-14 01:35
no-global-assign.js	2.76 KB	-rw-r--r--	2019-09-14 01:35
no-implicit-coercion.js	10.06 KB	-rw-r--r--	2019-09-14 01:35
no-implicit-globals.js	1.78 KB	-rw-r--r--	2019-09-14 01:35
no-implied-eval.js	5.99 KB	-rw-r--r--	2019-09-14 01:35
no-import-assign.js	6.92 KB	-rw-r--r--	2019-09-14 01:35
no-inline-comments.js	2.19 KB	-rw-r--r--	2019-09-14 01:35
no-inner-declarations.js	2.59 KB	-rw-r--r--	2019-09-14 01:35
no-invalid-regexp.js	4.01 KB	-rw-r--r--	2019-09-14 01:35
no-invalid-this.js	3.74 KB	-rw-r--r--	2019-09-14 01:35
no-irregular-whitespace.js	8.72 KB	-rw-r--r--	2019-09-14 01:35
no-iterator.js	1.08 KB	-rw-r--r--	2019-09-14 01:35
no-label-var.js	2.13 KB	-rw-r--r--	2019-09-14 01:35
no-labels.js	4.22 KB	-rw-r--r--	2019-09-14 01:35
no-lone-blocks.js	3.68 KB	-rw-r--r--	2019-09-14 01:35
no-lonely-if.js	3.62 KB	-rw-r--r--	2019-09-14 01:35
no-loop-func.js	6.16 KB	-rw-r--r--	2019-09-14 01:35
no-magic-numbers.js	5.8 KB	-rw-r--r--	2019-09-14 01:35
no-misleading-character-class.js	6.05 KB	-rw-r--r--	2019-09-14 01:35
no-mixed-operators.js	8.21 KB	-rw-r--r--	2019-09-14 01:35
no-mixed-requires.js	6.91 KB	-rw-r--r--	2019-09-14 01:35
no-mixed-spaces-and-tabs.js	4.54 KB	-rw-r--r--	2019-09-14 01:35
no-multi-assign.js	1.18 KB	-rw-r--r--	2019-09-14 01:35
no-multi-spaces.js	4.85 KB	-rw-r--r--	2019-09-14 01:35
no-multi-str.js	1.64 KB	-rw-r--r--	2019-09-14 01:35
no-multiple-empty-lines.js	5.75 KB	-rw-r--r--	2019-09-14 01:35
no-native-reassign.js	2.86 KB	-rw-r--r--	2019-09-14 01:35
no-negated-condition.js	2.68 KB	-rw-r--r--	2019-09-14 01:35
no-negated-in-lhs.js	1.08 KB	-rw-r--r--	2019-09-14 01:35
no-nested-ternary.js	986 B	-rw-r--r--	2019-09-14 01:35
no-new-func.js	1.24 KB	-rw-r--r--	2019-09-14 01:35
no-new-object.js	923 B	-rw-r--r--	2019-09-14 01:35
no-new-require.js	960 B	-rw-r--r--	2019-09-14 01:35
no-new-symbol.js	1.27 KB	-rw-r--r--	2019-09-14 01:35
no-new-wrappers.js	1.05 KB	-rw-r--r--	2019-09-14 01:35
no-new.js	913 B	-rw-r--r--	2019-09-14 01:35
no-obj-calls.js	1.84 KB	-rw-r--r--	2019-09-14 01:35
no-octal-escape.js	1.42 KB	-rw-r--r--	2019-09-14 01:35
no-octal.js	886 B	-rw-r--r--	2019-09-14 01:35
no-param-reassign.js	6.8 KB	-rw-r--r--	2019-09-14 01:35
no-path-concat.js	1.44 KB	-rw-r--r--	2019-09-14 01:35
no-plusplus.js	1.66 KB	-rw-r--r--	2019-09-14 01:35
no-process-env.js	1.01 KB	-rw-r--r--	2019-09-14 01:35
no-process-exit.js	1.08 KB	-rw-r--r--	2019-09-14 01:35
no-proto.js	1.07 KB	-rw-r--r--	2019-09-14 01:35
no-prototype-builtins.js	1.63 KB	-rw-r--r--	2019-09-14 01:35
no-redeclare.js	5.6 KB	-rw-r--r--	2019-09-14 01:35
no-regex-spaces.js	3.73 KB	-rw-r--r--	2019-09-14 01:35
no-restricted-globals.js	3.76 KB	-rw-r--r--	2019-09-14 01:35
no-restricted-imports.js	11.43 KB	-rw-r--r--	2023-12-15 20:21
no-restricted-modules.js	5.9 KB	-rw-r--r--	2023-12-15 20:21
no-restricted-properties.js	6.46 KB	-rw-r--r--	2019-09-14 01:35
no-restricted-syntax.js	1.97 KB	-rw-r--r--	2019-09-14 01:35
no-return-assign.js	2.49 KB	-rw-r--r--	2019-09-14 01:35
no-return-await.js	3.73 KB	-rw-r--r--	2019-09-14 01:35
no-script-url.js	1.05 KB	-rw-r--r--	2019-09-14 01:35
no-self-assign.js	6.79 KB	-rw-r--r--	2019-09-14 01:35
no-self-compare.js	1.72 KB	-rw-r--r--	2019-09-14 01:35
no-sequences.js	3.94 KB	-rw-r--r--	2019-09-14 01:35
no-shadow-restricted-names.js	2 KB	-rw-r--r--	2019-09-14 01:35
no-shadow.js	6.81 KB	-rw-r--r--	2019-09-14 01:35
no-spaced-func.js	2.34 KB	-rw-r--r--	2019-09-14 01:35
no-sparse-arrays.js	1.07 KB	-rw-r--r--	2019-09-14 01:35
no-sync.js	1.52 KB	-rw-r--r--	2019-09-14 01:35
no-tabs.js	2.01 KB	-rw-r--r--	2019-09-14 01:35
no-template-curly-in-string.js	1.04 KB	-rw-r--r--	2019-09-14 01:35
no-ternary.js	793 B	-rw-r--r--	2019-09-14 01:35
no-this-before-super.js	9.95 KB	-rw-r--r--	2019-09-14 01:35
no-throw-literal.js	1.26 KB	-rw-r--r--	2019-09-14 01:35
no-trailing-spaces.js	6.13 KB	-rw-r--r--	2019-09-14 01:35
no-undef-init.js	2.01 KB	-rw-r--r--	2019-09-14 01:35
no-undef.js	2.24 KB	-rw-r--r--	2019-09-14 01:35
no-undefined.js	2.07 KB	-rw-r--r--	2019-09-14 01:35
no-underscore-dangle.js	7.44 KB	-rw-r--r--	2019-09-14 01:35
no-unexpected-multiline.js	3.59 KB	-rw-r--r--	2019-09-14 01:35
no-unmodified-loop-condition.js	11.65 KB	-rw-r--r--	2019-09-14 01:35
no-unneeded-ternary.js	6.58 KB	-rw-r--r--	2019-09-14 01:35
no-unreachable.js	6.29 KB	-rw-r--r--	2019-09-14 01:35
no-unsafe-finally.js	3.87 KB	-rw-r--r--	2019-09-14 01:35
no-unsafe-negation.js	2.36 KB	-rw-r--r--	2019-09-14 01:35
no-unused-expressions.js	4.7 KB	-rw-r--r--	2019-09-14 01:35
no-unused-labels.js	3.22 KB	-rw-r--r--	2019-09-14 01:35
no-unused-vars.js	23.08 KB	-rw-r--r--	2019-09-14 01:35
no-use-before-define.js	7.45 KB	-rw-r--r--	2019-09-14 01:35
no-useless-call.js	2.78 KB	-rw-r--r--	2019-09-14 01:35
no-useless-catch.js	1.55 KB	-rw-r--r--	2019-09-14 01:35
no-useless-computed-key.js	3.19 KB	-rw-r--r--	2019-09-14 01:35
no-useless-concat.js	3.16 KB	-rw-r--r--	2019-09-14 01:35
no-useless-constructor.js	5.46 KB	-rw-r--r--	2019-09-14 01:35
no-useless-escape.js	8.98 KB	-rw-r--r--	2019-09-14 01:35
no-useless-rename.js	5.08 KB	-rw-r--r--	2019-09-14 01:35
no-useless-return.js	11.77 KB	-rw-r--r--	2019-09-14 01:35
no-var.js	12.13 KB	-rw-r--r--	2019-09-14 01:35
no-void.js	1.03 KB	-rw-r--r--	2019-09-14 01:35
no-warning-comments.js	5.4 KB	-rw-r--r--	2019-09-14 01:35
no-whitespace-before-property.js	3.33 KB	-rw-r--r--	2019-09-14 01:35
no-with.js	784 B	-rw-r--r--	2019-09-14 01:35
nonblock-statement-body-position.js	4.41 KB	-rw-r--r--	2023-12-15 20:21
object-curly-newline.js	10.69 KB	-rw-r--r--	2019-09-14 01:35
object-curly-spacing.js	11.27 KB	-rw-r--r--	2019-09-14 01:35
object-property-newline.js	3.59 KB	-rw-r--r--	2019-09-14 01:35
object-shorthand.js	20.66 KB	-rw-r--r--	2019-09-14 01:35
one-var-declaration-per-line.js	2.74 KB	-rw-r--r--	2019-09-14 01:35
one-var.js	21 KB	-rw-r--r--	2019-09-14 01:35
operator-assignment.js	7.73 KB	-rw-r--r--	2019-09-14 01:35
operator-linebreak.js	10.01 KB	-rw-r--r--	2019-09-14 01:35
padded-blocks.js	10.05 KB	-rw-r--r--	2019-09-14 01:35
padding-line-between-statements.js	20 KB	-rw-r--r--	2023-12-15 20:21
prefer-arrow-callback.js	11.17 KB	-rw-r--r--	2019-09-14 01:35
prefer-const.js	16.69 KB	-rw-r--r--	2019-09-14 01:35
prefer-destructuring.js	9.7 KB	-rw-r--r--	2019-09-14 01:35
prefer-named-capture-group.js	3.94 KB	-rw-r--r--	2019-09-14 01:35
prefer-numeric-literals.js	3.73 KB	-rw-r--r--	2019-09-14 01:35
prefer-object-spread.js	9.05 KB	-rw-r--r--	2019-09-14 01:35
prefer-promise-reject-errors.js	5.41 KB	-rw-r--r--	2019-09-14 01:35
prefer-reflect.js	4.5 KB	-rw-r--r--	2019-09-14 01:35
prefer-regex-literals.js	4.4 KB	-rw-r--r--	2019-09-14 01:35
prefer-rest-params.js	3.22 KB	-rw-r--r--	2019-09-14 01:35
prefer-spread.js	2.77 KB	-rw-r--r--	2019-09-14 01:35
prefer-template.js	11.18 KB	-rw-r--r--	2019-09-14 01:35
quote-props.js	11.41 KB	-rw-r--r--	2019-09-14 01:35
quotes.js	11.48 KB	-rw-r--r--	2019-09-14 01:35
radix.js	5.16 KB	-rw-r--r--	2019-09-14 01:35
require-atomic-updates.js	9.51 KB	-rw-r--r--	2019-09-14 01:35
require-await.js	3.04 KB	-rw-r--r--	2019-09-14 01:35
require-jsdoc.js	3.65 KB	-rw-r--r--	2019-09-14 01:35
require-unicode-regexp.js	1.94 KB	-rw-r--r--	2019-09-14 01:35
require-yield.js	2.01 KB	-rw-r--r--	2019-09-14 01:35
rest-spread-spacing.js	3.93 KB	-rw-r--r--	2019-09-14 01:35
semi-spacing.js	7.62 KB	-rw-r--r--	2019-09-14 01:35
semi-style.js	4.98 KB	-rw-r--r--	2019-09-14 01:35
semi.js	11.56 KB	-rw-r--r--	2019-09-14 01:35
sort-imports.js	9.08 KB	-rw-r--r--	2019-09-14 01:35
sort-keys.js	7.64 KB	-rw-r--r--	2023-12-15 20:21
sort-vars.js	3.97 KB	-rw-r--r--	2019-09-14 01:35
space-before-blocks.js	5.59 KB	-rw-r--r--	2019-09-14 01:35
space-before-function-paren.js	5.56 KB	-rw-r--r--	2019-09-14 01:35
space-in-parens.js	10.41 KB	-rw-r--r--	2019-09-14 01:35
space-infix-ops.js	5.35 KB	-rw-r--r--	2019-09-14 01:35
space-unary-ops.js	12.3 KB	-rw-r--r--	2019-09-14 01:35
spaced-comment.js	12.27 KB	-rw-r--r--	2019-09-14 01:35
strict.js	10.31 KB	-rw-r--r--	2019-09-14 01:35
switch-colon-spacing.js	5.2 KB	-rw-r--r--	2019-09-14 01:35
symbol-description.js	1.98 KB	-rw-r--r--	2019-09-14 01:35
template-curly-spacing.js	4.06 KB	-rw-r--r--	2019-09-14 01:35
template-tag-spacing.js	2.79 KB	-rw-r--r--	2019-09-14 01:35
unicode-bom.js	2.15 KB	-rw-r--r--	2019-09-14 01:35
use-isnan.js	1.01 KB	-rw-r--r--	2019-09-14 01:35
valid-jsdoc.js	20.04 KB	-rw-r--r--	2019-09-14 01:35
valid-typeof.js	2.97 KB	-rw-r--r--	2019-09-14 01:35
vars-on-top.js	4.94 KB	-rw-r--r--	2019-09-14 01:35
wrap-iife.js	5.91 KB	-rw-r--r--	2019-09-14 01:35
wrap-regex.js	1.86 KB	-rw-r--r--	2019-09-14 01:35
yield-star-spacing.js	4.22 KB	-rw-r--r--	2019-09-14 01:35
yoda.js	11.41 KB	-rw-r--r--	2019-09-14 01:35

Rename

/**
 * @fileoverview Rule to flag use of eval() statement
 * @author Nicholas C. Zakas
 */

"use strict";

//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------

const astUtils = require("./utils/ast-utils");

//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------

const candidatesOfGlobalObject = Object.freeze([
    "global",
    "window"
]);

/**
 * Checks a given node is a Identifier node of the specified name.
 *
 * @param {ASTNode} node - A node to check.
 * @param {string} name - A name to check.
 * @returns {boolean} `true` if the node is a Identifier node of the name.
 */
function isIdentifier(node, name) {
    return node.type === "Identifier" && node.name === name;
}

/**
 * Checks a given node is a Literal node of the specified string value.
 *
 * @param {ASTNode} node - A node to check.
 * @param {string} name - A name to check.
 * @returns {boolean} `true` if the node is a Literal node of the name.
 */
function isConstant(node, name) {
    switch (node.type) {
        case "Literal":
            return node.value === name;

case "TemplateLiteral":
            return (
                node.expressions.length === 0 &&
                node.quasis[0].value.cooked === name
            );

default:
            return false;
    }
}

/**
 * Checks a given node is a MemberExpression node which has the specified name's
 * property.
 *
 * @param {ASTNode} node - A node to check.
 * @param {string} name - A name to check.
 * @returns {boolean} `true` if the node is a MemberExpression node which has
 *      the specified name's property
 */
function isMember(node, name) {
    return (
        node.type === "MemberExpression" &&
        (node.computed ? isConstant : isIdentifier)(node.property, name)
    );
}

//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------

module.exports = {
    meta: {
        type: "suggestion",

docs: {
            description: "disallow the use of `eval()`",
            category: "Best Practices",
            recommended: false,
            url: "https://eslint.org/docs/rules/no-eval"
        },

schema: [
            {
                type: "object",
                properties: {
                    allowIndirect: { type: "boolean", default: false }
                },
                additionalProperties: false
            }
        ],

messages: {
            unexpected: "eval can be harmful."
        }
    },

create(context) {
        const allowIndirect = Boolean(
            context.options[0] &&
            context.options[0].allowIndirect
        );
        const sourceCode = context.getSourceCode();
        let funcInfo = null;

/**
         * Pushs a variable scope (Program or Function) information to the stack.
         *
         * This is used in order to check whether or not `this` binding is a
         * reference to the global object.
         *
         * @param {ASTNode} node - A node of the scope. This is one of Program,
         *      FunctionDeclaration, FunctionExpression, and ArrowFunctionExpression.
         * @returns {void}
         */
        function enterVarScope(node) {
            const strict = context.getScope().isStrict;

funcInfo = {
                upper: funcInfo,
                node,
                strict,
                defaultThis: false,
                initialized: strict
            };
        }

/**
         * Pops a variable scope from the stack.
         *
         * @returns {void}
         */
        function exitVarScope() {
            funcInfo = funcInfo.upper;
        }

/**
         * Reports a given node.
         *
         * `node` is `Identifier` or `MemberExpression`.
         * The parent of `node` might be `CallExpression`.
         *
         * The location of the report is always `eval` `Identifier` (or possibly
         * `Literal`). The type of the report is `CallExpression` if the parent is
         * `CallExpression`. Otherwise, it's the given node type.
         *
         * @param {ASTNode} node - A node to report.
         * @returns {void}
         */
        function report(node) {
            const parent = node.parent;
            const locationNode = node.type === "MemberExpression"
                ? node.property
                : node;

const reportNode = parent.type === "CallExpression" && parent.callee === node
                ? parent
                : node;

context.report({
                node: reportNode,
                loc: locationNode.loc.start,
                messageId: "unexpected"
            });
        }

/**
         * Reports accesses of `eval` via the global object.
         *
         * @param {eslint-scope.Scope} globalScope - The global scope.
         * @returns {void}
         */
        function reportAccessingEvalViaGlobalObject(globalScope) {
            for (let i = 0; i < candidatesOfGlobalObject.length; ++i) {
                const name = candidatesOfGlobalObject[i];
                const variable = astUtils.getVariableByName(globalScope, name);

if (!variable) {
                    continue;
                }

const references = variable.references;

for (let j = 0; j < references.length; ++j) {
                    const identifier = references[j].identifier;
                    let node = identifier.parent;

// To detect code like `window.window.eval`.
                    while (isMember(node, name)) {
                        node = node.parent;
                    }

// Reports.
                    if (isMember(node, "eval")) {
                        report(node);
                    }
                }
            }
        }

/**
         * Reports all accesses of `eval` (excludes direct calls to eval).
         *
         * @param {eslint-scope.Scope} globalScope - The global scope.
         * @returns {void}
         */
        function reportAccessingEval(globalScope) {
            const variable = astUtils.getVariableByName(globalScope, "eval");

if (!variable) {
                return;
            }

const references = variable.references;

for (let i = 0; i < references.length; ++i) {
                const reference = references[i];
                const id = reference.identifier;

if (id.name === "eval" && !astUtils.isCallee(id)) {

// Is accessing to eval (excludes direct calls to eval)
                    report(id);
                }
            }
        }

if (allowIndirect) {

// Checks only direct calls to eval. It's simple!
            return {
                "CallExpression:exit"(node) {
                    const callee = node.callee;

if (isIdentifier(callee, "eval")) {
                        report(callee);
                    }
                }
            };
        }

return {
            "CallExpression:exit"(node) {
                const callee = node.callee;

if (isIdentifier(callee, "eval")) {
                    report(callee);
                }
            },

Program(node) {
                const scope = context.getScope(),
                    features = context.parserOptions.ecmaFeatures || {},
                    strict =
                        scope.isStrict ||
                        node.sourceType === "module" ||
                        (features.globalReturn && scope.childScopes[0].isStrict);

funcInfo = {
                    upper: null,
                    node,
                    strict,
                    defaultThis: true,
                    initialized: true
                };
            },

"Program:exit"() {
                const globalScope = context.getScope();

exitVarScope();
                reportAccessingEval(globalScope);
                reportAccessingEvalViaGlobalObject(globalScope);
            },

FunctionDeclaration: enterVarScope,
            "FunctionDeclaration:exit": exitVarScope,
            FunctionExpression: enterVarScope,
            "FunctionExpression:exit": exitVarScope,
            ArrowFunctionExpression: enterVarScope,
            "ArrowFunctionExpression:exit": exitVarScope,

ThisExpression(node) {
                if (!isMember(node.parent, "eval")) {
                    return;
                }

/*
                 * `this.eval` is found.
                 * Checks whether or not the value of `this` is the global object.
                 */
                if (!funcInfo.initialized) {
                    funcInfo.initialized = true;
                    funcInfo.defaultThis = astUtils.isDefaultThisBinding(
                        funcInfo.node,
                        sourceCode
                    );
                }

if (!funcInfo.strict && funcInfo.defaultThis) {

// `this.eval` is possible built-in `eval`.
                    report(node.parent);
                }
            }
        };

}
};