mirror of
https://github.com/swc-project/swc.git
synced 2024-10-04 20:28:43 +03:00
0aafa75fef
**Description:** This implements something similar to `__snapshots__` of `jest`. Instead of storing the expected result as a string literal, we now store it in `$crate/tests/__swc_snapshots__/$path_to_test__$test_name.js`. **Related issue:** - Closes #4509
1677 lines
32 KiB
Rust
1677 lines
32 KiB
Rust
use std::path::PathBuf;
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use swc_common::{chain, Mark};
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use swc_ecma_parser::Syntax;
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use swc_ecma_transforms_base::resolver;
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use swc_ecma_transforms_compat::{
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es2015,
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es2015::{
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block_scoping,
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destructuring::{destructuring, Config},
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parameters, spread,
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},
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es2018::object_rest_spread,
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};
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use swc_ecma_transforms_testing::{test, test_exec, test_fixture};
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use swc_ecma_visit::Fold;
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fn syntax() -> Syntax {
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Default::default()
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}
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fn tr() -> impl Fold {
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chain!(
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resolver(Mark::new(), Mark::new(), false),
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destructuring(Config { loose: true })
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)
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}
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test!(
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syntax(),
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|_| tr(),
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issue_2819,
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r#"const [first, , third] = ["red", "yellow", "green"]"#
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);
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test!(
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syntax(),
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|_| tr(),
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issue_2821,
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r#"const [x, y, ...z] = [1];"#
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);
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test!(
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syntax(),
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|_| destructuring(Config { loose: false }),
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need_to_array,
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r#"const [x, y, ...z] = o;"#
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);
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test!(
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syntax(),
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|_| destructuring(Config { loose: true }),
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need_to_array_loose,
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r#"const [x, y, ...z] = o;"#
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);
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test!(
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syntax(),
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|_| destructuring(Config { loose: false }),
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issue_2841,
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r#"function foo(a,b)
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{
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[a,b,...restParam] = arguments;
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}"#
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);
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test!(
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syntax(),
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|_| destructuring(Config { loose: true }),
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issue_2841_loose,
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r#"function foo(a,b)
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{
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[a,b,...restParam] = arguments;
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}"#
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);
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test!(
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syntax(),
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|_| tr(),
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issue_169,
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"export class Foo {
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func(a, b = Date.now()) {
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return {a};
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}
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}"
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);
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test!(
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syntax(),
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|_| {
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let unresolved_mark = Mark::new();
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let top_level_mark = Mark::new();
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chain!(
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resolver(unresolved_mark, top_level_mark, false),
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spread(Default::default()),
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parameters(Default::default(), unresolved_mark),
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destructuring(Default::default()),
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block_scoping(unresolved_mark),
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object_rest_spread(Default::default()),
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)
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},
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issue_1948,
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"
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const fn2 = (arg1, {opt1, opt2}, arg2, {opt3, opt4}, ...arg3) => {
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console.log(arg1, opt1, opt2, arg2, opt3, opt4, arg3);
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};
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function fn3(arg1, {opt1, opt2}, arg2, {opt3, opt4}, ...arg3) {
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console.log(arg1, opt1, opt2, arg2, opt3, opt4, arg3);
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};
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class cls {
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fn4(arg1, {opt1, opt2}, arg2, {opt3, opt4}, ...arg3) {
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console.log(arg1, opt1, opt2, arg2, opt3, opt4, arg3);
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}
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fn5(arg1, arg2) {
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console.log(arg1, arg2);
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}
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}"
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);
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test!(syntax(), |_| tr(), issue_260_01, "[code = 1] = []");
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test!(
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syntax(),
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|_| tr(),
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array_pat_assign_prop_binding,
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"[code = 1] = [1]"
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);
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test!(
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syntax(),
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|_| tr(),
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array_pat_assign_prop_binding_2,
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"[foo = 1, bar = 2] = [3];"
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);
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test!(
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syntax(),
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|_| tr(),
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array_pat_assign_prop_binding_3,
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"[foo = 1, bar = 2] = [3, 4];"
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);
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test!(
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syntax(),
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|_| tr(),
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array_pat_assign_prop_binding_4,
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"const [foo = 1] = [2];"
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);
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test!(
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syntax(),
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|_| tr(),
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array_pat_assign_prop_binding_5,
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"const [foo = 1, bar] = [2, 3];"
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);
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test!(
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syntax(),
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|_| tr(),
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array_pat_assign_prop_binding_6,
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"const [foo = 1] = [];"
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);
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test!(
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syntax(),
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|_| tr(),
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array_pat_assign_prop_binding_7,
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"const [foo = 1] = [1, 2];"
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);
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test!(
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syntax(),
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|_| tr(),
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issue_260_02,
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"[code = 1, ...rest] = [];"
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);
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test!(
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syntax(),
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|_| tr(),
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object_pat_assign_prop,
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"({code = 1} = {})"
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);
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test!(
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syntax(),
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|_| tr(),
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object_pat_assign_prop_2,
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"const {code = 1} = {}"
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);
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test!(
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syntax(),
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|_| tr(),
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object_pat_assign_prop_binding,
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"({foo: bar = 1} = {})"
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);
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test!(
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syntax(),
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|_| tr(),
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object_pat_assign_prop_binding_2,
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"const {foo: bar = 1} = {}"
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);
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test_exec!(
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syntax(),
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|_| tr(),
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object_pat_assign_prop_binding_3,
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r#"
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let foo = 1;
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let bar = 2;
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let x;
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let y;
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({ [++foo]: x = "c", [++bar]: y = "d" } = { 2: "a" });
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expect(foo).toBe(2);
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expect(bar).toBe(3);
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expect(x).toBe("a");
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expect(y).toBe("d");
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"#
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);
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test!(
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syntax(),
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|_| tr(),
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object_pat_assign_prop_binding_isseu_2850,
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"const obj = { foo = 123, bar: x = 123 } = { foo: 24, bar: 45 };"
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);
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test_exec!(
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syntax(),
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|_| tr(),
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object_pat_assign_prop_binding_isseu_2850_exec,
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r#"
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const obj = { foo = 123, bar: x = 123 } = { foo: 24, bar: 45 };
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expect(obj).toEqual({ foo: 24, bar: 45 });
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expect(foo).toBe(24);
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expect(x).toBe(45);
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"#
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);
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test!(syntax(), |_| tr(), obj_assign_pat, r#"let { a = 1 } = foo"#);
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test!(
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syntax(),
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|_| tr(),
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obj_assign_expr,
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r#"let a;
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[{ a = 1 }] = foo"#
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);
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test!(
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syntax(),
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|_| tr(),
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array1,
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r#"var [a, [b], [c]] = ["hello", [" ", "junk"], ["world"]];"#
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);
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test!(
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syntax(),
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|_| tr(),
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array2,
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r#"[a, [b], [c]] = ["hello", [" ", "junk"], ["world"]];"#
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);
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test!(
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syntax(),
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|_| tr(),
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assign_expr_completion_record,
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r#"var x, y;
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[x, y] = [1, 2];"#
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);
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test!(
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syntax(),
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|_| tr(),
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assign_expr_pat,
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r#"var z = {};
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var { x: { y } = {} } = z;"#
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);
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test!(
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syntax(),
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|_| tr(),
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assign_expr,
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r#"console.log([x] = [123]);"#
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);
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test_exec!(
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syntax(),
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|_| destructuring(Config { loose: true }),
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chained,
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r#"var a, b, c, d;
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({ a, b } = ({ c, d } = { a: 1, b: 2, c: 3, d: 4}));
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expect(a).toBe(1);
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expect(b).toBe(2);
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expect(c).toBe(3);
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expect(d).toBe(4);"#
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);
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test!(
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syntax(),
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|_| tr(),
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empty,
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r#"var [, a, [b], [c], d] = ["foo", "hello", [" ", "junk"], ["world"]];"#
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);
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test!(
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ignore,
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syntax(),
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|_| tr(),
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es7_object_rest_builtins,
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r#"var z = {};
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var { ...x } = z;
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var { x, ...y } = z;
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var { [x]: x, ...y } = z;
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(function({ x, ...y }) { });
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({ x, y, ...z } = o);"#
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);
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test!(
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ignore,
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syntax(),
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|_| tr(),
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es7_object_rest,
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r#"var z = {};
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var { ...x } = z;
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var { x, ...y } = z;
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var { [x]: x, ...y } = z;
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(function({ x, ...y }) { });
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({ x, y, ...z } = o);"#
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);
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test!(
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syntax(),
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|_| tr(),
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export_variable_issue_2858_1,
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r#"export const { a: a2, b: b2 } = { a: 1, b: 2 };"#
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);
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test!(
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syntax(),
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|_| tr(),
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export_variable_issue_2858_2,
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r#"export const { a: b } = { a: 1 }"#
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);
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test!(
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syntax(),
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|_| tr(),
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export_variable_issue_2858_3,
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r#"
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export const {
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a: a1,
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b: b1,
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b: { c: c1 },
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} = { a: 1, b: { c: 1 } };
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"#
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);
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|
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test!(
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ignore,
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syntax(),
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|_| tr(),
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export_variable,
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r#"export let {a, b, c: {d, e: {f = 4}}} = {};"#
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);
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|
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test!(
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syntax(),
|
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|_| tr(),
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for_in,
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r#"for (var [name, value] in obj) {
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print("Name: " + name + " Value: " + value);
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}"#
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);
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|
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test!(
|
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syntax(),
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|_| tr(),
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for_let,
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r#"for (let [ i, n ] = range; ; ) {}"#
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);
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|
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test!(
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syntax(),
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|_| tr(),
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for_of,
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r#"for (var [ name, before, after ] of test.expectation.registers) {
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|
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}"#
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);
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|
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test_exec!(
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ignore,
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syntax(),
|
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|_| destructuring(Config { loose: true }),
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fn_key_with_obj_rest_spread,
|
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r#"const { [(() => 1)()]: a, ...rest } = { 1: "a" };
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|
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expect(a).toBe("a");
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expect(rest).toEqual({});"#
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);
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|
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test!(
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syntax(),
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|_| tr(),
|
|
babel_issue_3081,
|
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r#"let list = [1, 2, 3, 4];
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for (let i = 0, { length } = list; i < length; i++) {
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list[i];
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}"#
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);
|
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|
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test_exec!(
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syntax(),
|
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|_| destructuring(Config { loose: true }),
|
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babel_issue_5090,
|
|
r#"const assign = function([...arr], index, value) {
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arr[index] = value;
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return arr;
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}
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|
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const arr = [1, 2, 3];
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assign(arr, 1, 42);
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|
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expect(arr).toEqual([1, 2, 3]);"#
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);
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|
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test!(
|
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syntax(),
|
|
|_| tr(),
|
|
babel_issue_5628,
|
|
r#"
|
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(function () {
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let q;
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let w;
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let e;
|
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if (true) [q, w, e] = [1, 2, 3].map(()=>123);
|
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})();"#
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);
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|
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test!(
|
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syntax(),
|
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|_| tr(),
|
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babel_issue_5744,
|
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r#"if (true) [a, b] = [b, a];"#
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);
|
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|
|
test!(
|
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ignore,
|
|
syntax(),
|
|
|_| tr(),
|
|
babel_issue_6373,
|
|
r#"import { NestedObjects } from "./some-module"
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|
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const { Foo, Bar } = NestedObjects"#
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);
|
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|
|
test!(
|
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syntax(),
|
|
|_| tr(),
|
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known_array,
|
|
r#"var z = [];
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var [x, ...y] = z;"#
|
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);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
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member_expr,
|
|
r#"[foo.foo, foo.bar] = [1, 2];"#
|
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);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
multiple,
|
|
r#"var coords = [1, 2];
|
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var { x, y } = coords,
|
|
foo = "bar";"#
|
|
);
|
|
|
|
test_exec!(
|
|
ignore,
|
|
syntax(),
|
|
|_| destructuring(Config { loose: true }),
|
|
number_key_with_object_spread,
|
|
r#"const foo = {
|
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1: "a"
|
|
2: "b"
|
|
3: "c"
|
|
};
|
|
|
|
const { [1]: bar, ...rest } = foo;
|
|
|
|
expect(bar).toBe("a");
|
|
expect(rest).toEqual({ 2: "b" 3: "c" });"#
|
|
);
|
|
|
|
test_exec!(
|
|
ignore,
|
|
syntax(),
|
|
|_| destructuring(Config { loose: true }),
|
|
spread_generator,
|
|
r#"function* f() {
|
|
for (var i = 0; i < 3; i++) {
|
|
yield i;
|
|
}
|
|
}
|
|
var [...xs] = f();
|
|
expect(xs).toEqual([0, 1, 2]);"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_test,
|
|
r#"function isSorted([x, y, ...wow]) {
|
|
if (!zs.length) return true
|
|
if (y > x) return isSorted(zs)
|
|
return false
|
|
}"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_311,
|
|
"const Foo = 'foo';
|
|
|
|
const bar = {
|
|
[Foo]: {
|
|
qux: 'baz'
|
|
}
|
|
};
|
|
|
|
const {
|
|
[Foo]: {
|
|
qux
|
|
}
|
|
} = bar;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_317,
|
|
"export const [
|
|
A,
|
|
B,
|
|
C
|
|
] = [1,2,3];
|
|
|
|
export const [
|
|
E,
|
|
D,
|
|
F
|
|
] = [4,5,6];"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_336,
|
|
"const { 'foo-bar': fooBar } = baz;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_404_1,
|
|
"function foo(bar) {
|
|
const { foo } = bar;
|
|
return foo;
|
|
}"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|t| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
es2015(
|
|
unresolved_mark,
|
|
Some(t.comments.clone()),
|
|
Default::default()
|
|
),
|
|
)
|
|
},
|
|
issue_404_2,
|
|
"function foo(bar) {
|
|
const { foo } = bar;
|
|
return foo;
|
|
}"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_404_3,
|
|
"function foo(bar) {
|
|
var { foo: foo1 } = bar;
|
|
return foo1;
|
|
}"
|
|
);
|
|
|
|
// destructuring_function_key_with_object_rest_spread
|
|
test_exec!(
|
|
syntax(),
|
|
|_| chain!(
|
|
object_rest_spread(Default::default()),
|
|
destructuring(Default::default())
|
|
),
|
|
destructuring_function_key_with_object_rest_spread_exec,
|
|
r#"
|
|
const { [(() => 1)()]: a, ...rest } = { 1: "a" };
|
|
|
|
expect(a).toBe("a");
|
|
expect(rest).toEqual({});
|
|
|
|
"#
|
|
);
|
|
|
|
// regression_8528
|
|
test!(
|
|
syntax(),
|
|
|_| destructuring(Default::default()),
|
|
regression_8528,
|
|
r#"
|
|
function isBetween(x, a, b) {
|
|
if (a > b) [a, b] = [b, a];
|
|
return x > a && x < b;
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_for_of
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
spread(Default::default()),
|
|
destructuring(Default::default()),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default()),
|
|
),
|
|
destructuring_for_of,
|
|
r#"
|
|
for (var [ name, before, after ] of test.expectation.registers) {
|
|
|
|
}
|
|
|
|
for ([ name, before, after ] of test.expectation.registers) {
|
|
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_object_basic
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_object_basic,
|
|
r#"
|
|
var coords = [1, 2];
|
|
var { x, y } = coords;
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_arrow_function_block
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_assignment_arrow_function_block,
|
|
r#"
|
|
() => { [a, b] = [1, 2] }
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_non_iterable
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_non_iterable_exec,
|
|
r#"
|
|
expect(
|
|
() => {
|
|
var [foo, bar] = undefined;
|
|
}).toThrow();
|
|
|
|
expect(
|
|
() => {
|
|
var foo = [ ...undefined ];
|
|
}).toThrow();
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_empty_object_pattern
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_empty_object_pattern_exec,
|
|
r#"
|
|
expect(function () {
|
|
var {} = null;
|
|
}).toThrow("Cannot destructure null");
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_chained
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_chained_exec,
|
|
r#"
|
|
var a, b, c, d;
|
|
({ a, b } = ({ c, d } = { a: 1, b: 2, c: 3, d: 4}));
|
|
expect(a).toBe(1);
|
|
expect(b).toBe(2);
|
|
expect(c).toBe(3);
|
|
expect(d).toBe(4);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_object_rest_impure_computed_keys
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_object_rest_impure_computed_keys_exec,
|
|
r#"
|
|
var key, x, y, z;
|
|
// impure
|
|
key = 1;
|
|
var { [key++]: y, ...x } = { 1: 1, a: 1 };
|
|
expect(x).toEqual({ a: 1 });
|
|
expect(key).toBe(2);
|
|
expect(1).toBe(y);
|
|
|
|
// takes care of the order
|
|
|
|
key = 1;
|
|
var { [++key]: y, [++key]: z, ...rest} = {2: 2, 3: 3};
|
|
expect(y).toBe(2);
|
|
expect(z).toBe(3);
|
|
|
|
// pure, computed property should remain as-is
|
|
key = 2;
|
|
({ [key]: y, z, ...x } = {2: "two", z: "zee"});
|
|
expect(y).toBe("two");
|
|
expect(x).toEqual({});
|
|
expect(z).toBe("zee");
|
|
|
|
// rhs evaluated before lhs
|
|
var order = [];
|
|
function left() {
|
|
order.push("left");
|
|
return 0;
|
|
}
|
|
function right() {
|
|
order.push("right");
|
|
return {};
|
|
}
|
|
var { [left()]: y, ...x} = right();
|
|
expect(order).toEqual(["right", "left"]);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_issue_5090
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_issue_5090_exec,
|
|
r#"
|
|
const assign = function([...arr], index, value) {
|
|
arr[index] = value;
|
|
return arr;
|
|
}
|
|
|
|
const arr = [1, 2, 3];
|
|
assign(arr, 1, 42);
|
|
|
|
expect(arr).toEqual([1, 2, 3]);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_default_precedence
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_default_precedence_exec,
|
|
r#"
|
|
var f0 = function (a, b = a, c = b) {
|
|
return [a, b, c];
|
|
};
|
|
|
|
expect(f0(1)).toEqual([1, 1, 1]);
|
|
|
|
var f1 = function ({a}, b = a, c = b) {
|
|
return [a, b, c];
|
|
};
|
|
|
|
expect(f1({a: 1})).toEqual([1, 1, 1]);
|
|
|
|
var f2 = function ({a}, b = a, c = a) {
|
|
return [a, b, c];
|
|
};
|
|
|
|
expect(f2({a: 1})).toEqual([1, 1, 1]);
|
|
|
|
"#
|
|
);
|
|
|
|
//// destructuring_es7_object_rest_builtins
|
|
//test!(
|
|
// syntax(),
|
|
// |_| tr(r#"{
|
|
// "plugins": [
|
|
//
|
|
// [destructuring(Default::default()), { "useBuiltIns": true }],
|
|
// spread(spread::Config{..Default::default()}),
|
|
// parameters(Default::default()),
|
|
// block_scoping(),
|
|
// object_rest_spread(Default::default()),
|
|
// ]
|
|
//}
|
|
//"#),
|
|
// destructuring_es7_object_rest_builtins,
|
|
// r#"
|
|
//var z = {};
|
|
//var { ...x } = z;
|
|
//var { x, ...y } = z;
|
|
//var { [x]: x, ...y } = z;
|
|
//(function({ x, ...y }) { });
|
|
//
|
|
//({ x, y, ...z } = o);
|
|
//
|
|
//"#
|
|
// r#"
|
|
//var z = {};
|
|
//var _z = z,
|
|
// x = Object.assign({}, _z);
|
|
//var _z2 = z,
|
|
// x = _z2.x,
|
|
// y = _object_without_properties(_z2, ["x"]);
|
|
//var _z3 = z,
|
|
// x = _z3[x],
|
|
// y = _object_without_properties(_z3, [x].map(_to_property_key));
|
|
//
|
|
//(function (_ref) {
|
|
// var x = _ref.x,
|
|
// y = _object_without_properties(_ref, ["x"]);
|
|
//});
|
|
//
|
|
//var _o = o;
|
|
//x = _o.x;
|
|
//y = _o.y;
|
|
//z = _object_without_properties(_o, ["x" "y"]);
|
|
//_o;
|
|
//
|
|
//"#
|
|
//);
|
|
|
|
// destructuring_parameters
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_parameters,
|
|
r#"
|
|
function somethingAdvanced({topLeft: {x: x1, y: y1} = {}, bottomRight: {x: x2, y: y2} = {}}, p2, p3){
|
|
|
|
}
|
|
|
|
function unpackObject({title: title, author: author}) {
|
|
return title + " " + author;
|
|
}
|
|
|
|
console.log(unpackObject({title: "title", author: "author"}));
|
|
|
|
var unpackArray = function ([a, b, c], [x, y, z]) {
|
|
return a+b+c;
|
|
};
|
|
|
|
console.log(unpackArray(["hello", " ", "world"], [1, 2, 3]));
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_array_unpack_optimisation
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_array_unpack_optimisation,
|
|
r#"
|
|
var [a, b] = [1, 2];
|
|
var [[a, b]] = [[1, 2]];
|
|
var [a, b, ...c] = [1, 2, 3, 4];
|
|
var [[a, b, ...c]] = [[1, 2, 3, 4]];
|
|
|
|
var [a, b] = [1, 2, 3];
|
|
var [[a, b]] = [[1, 2, 3]];
|
|
var [a, b] = [a, b];
|
|
[a[0], a[1]] = [a[1], a[0]];
|
|
var [a, b] = [...foo, bar];
|
|
var [a, b] = [foo(), bar];
|
|
var [a, b] = [clazz.foo(), bar];
|
|
var [a, b] = [clazz.foo, bar];
|
|
var [a, b] = [, 2];
|
|
[a, b] = [1, 2];
|
|
[a, b] = [, 2];
|
|
; // Avoid completion record special case
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_known_array
|
|
test!(
|
|
// We will use constant propagation instead of optimizing in each pass
|
|
ignore,
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_known_array,
|
|
r#"
|
|
var z = [];
|
|
var [x, ...y] = z;
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_es7_object_rest
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_es7_object_rest,
|
|
r#"
|
|
var z = {};
|
|
var { ...x } = z;
|
|
var { x, ...y } = z;
|
|
var { [x]: x, ...y } = z;
|
|
(function({ x, ...y }) { });
|
|
|
|
({ x, y, ...z } = o);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_const
|
|
test_exec!(
|
|
syntax(),
|
|
|_| destructuring(Default::default()),
|
|
destructuring_const_exec,
|
|
r#"
|
|
const getState = () => ({});
|
|
|
|
const { data: { courses: oldCourses = [] } = {} } = getState();
|
|
|
|
expect(oldCourses).toEqual([]);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_expression_pattern
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_assignment_expression_pattern,
|
|
r#"
|
|
var z = {};
|
|
var { x: { y } = {} } = z;
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_object_advanced
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_object_advanced,
|
|
r#"
|
|
var rect = {};
|
|
var {topLeft: {x: x1, y: y1}, bottomRight: {x: x2, y: y2}} = rect;
|
|
var { 3: foo, 5: bar } = [0, 1, 2, 3, 4, 5, 6];
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_spread
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_spread,
|
|
r#"
|
|
function isSorted([x, y, ...wow]) {
|
|
if (!zs.length) return true
|
|
if (y > x) return isSorted(zs)
|
|
return false
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_mixed
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_mixed,
|
|
r#"
|
|
var rect = {};
|
|
var {topLeft: [x1, y1], bottomRight: [x2, y2] } = rect;
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_statement
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
destructuring(Default::default()),
|
|
spread(Default::default()),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default())
|
|
),
|
|
destructuring_assignment_statement_no_loose,
|
|
r#"
|
|
[a, b] = f();
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_statement_loose
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
destructuring(Config { loose: true }),
|
|
spread(Default::default()),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default())
|
|
),
|
|
destructuring_assignment_statement,
|
|
r#"
|
|
[a, b] = f();
|
|
"#
|
|
);
|
|
|
|
// destructuring_array
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_array,
|
|
r#"
|
|
var [a, [b], [c]] = ["hello", [" ", "junk"], ["world"]];
|
|
[a, [b], [c]] = ["hello", [" ", "junk"], ["world"]];
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_arrow_function_no_block
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_assignment_arrow_function_no_block,
|
|
r#"
|
|
() => [a, b] = [1, 2]
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_issue_9834
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_issue_9834,
|
|
r#"
|
|
const input = {};
|
|
|
|
const {
|
|
given_name: givenName,
|
|
'last_name': lastName,
|
|
[`country`]: country,
|
|
[prefix + 'state']: state,
|
|
[`${prefix}consents`]: consents,
|
|
...rest
|
|
} = input;
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_number_key_with_object_rest_spread
|
|
test_exec!(
|
|
syntax(),
|
|
|_| chain!(
|
|
object_rest_spread(Default::default()),
|
|
destructuring(Default::default())
|
|
),
|
|
destructuring_number_key_with_object_rest_spread_exec,
|
|
r#"
|
|
const foo = {
|
|
1: "a",
|
|
2: "b",
|
|
3: "c",
|
|
};
|
|
|
|
const { [1]: bar, ...rest } = foo;
|
|
|
|
expect(bar).toBe("a");
|
|
expect(rest).toEqual({ 2: "b", 3: "c" });
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_for_in
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
spread(Default::default()),
|
|
destructuring(Default::default()),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default()),
|
|
),
|
|
destructuring_for_in,
|
|
r#"
|
|
for (var [name, value] in obj) {
|
|
print("Name: " + name + " Value: " + value);
|
|
}
|
|
|
|
for ([name, value] in obj) {
|
|
print("Name: " + name + " Value: " + value);
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_for_in_loose
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
spread(Default::default()),
|
|
destructuring(Config { loose: true }),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default()),
|
|
),
|
|
destructuring_for_in_loose,
|
|
r#"
|
|
for (var [name, value] in obj) {
|
|
print("Name: " + name + " Value: " + value);
|
|
}
|
|
|
|
for ([name, value] in obj) {
|
|
print("Name: " + name + " Value: " + value);
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_issue_5744
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_issue_5744,
|
|
r#"
|
|
if (true) [a, b] = [b, a];
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_spread_generator
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_spread_generator_exec,
|
|
r#"
|
|
function* f() {
|
|
for (var i = 0; i < 3; i++) {
|
|
yield i;
|
|
}
|
|
}
|
|
var [...xs] = f();
|
|
expect(xs).toEqual([0, 1, 2]);
|
|
|
|
"#
|
|
);
|
|
|
|
test!(syntax(), |_| tr(), custom_call, "foo([a, b] = [1, 2])");
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_1477_1,
|
|
"
|
|
const [ { a: a_ = 1 } ] = b
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_1477_2,
|
|
"
|
|
async function f(a, b) {
|
|
const [ { a: a_ = 1 } ] = JSON.parse(b)
|
|
}
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_1477_3,
|
|
"
|
|
const [ a = 1 ] = b
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_1477_4,
|
|
"
|
|
[ a = 1 ] = b
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
next_001,
|
|
"
|
|
const { NODE_ENV }= process.env;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
next_002,
|
|
"
|
|
({ NODE_ENV }= process.env);
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_3315_1,
|
|
"\
|
|
var baz = 1;
|
|
({ foo: bar = baz } = {});
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_3315_2,
|
|
"\
|
|
var baz = 1;
|
|
[bar = baz] = [];
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_let_dstr_ary_ptrn_elem_id_init_hole,
|
|
"\
|
|
let [x = 23] = [,];
|
|
|
|
assert.sameValue(x, 23);
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_let_dstr_ary_ptrn_elem_id_init_hole_2,
|
|
"\
|
|
let y = [x = 23] = [,];
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_dstr_ary_ptrn_elem_id_init_hole,
|
|
"\
|
|
const [x = 23] = [,];
|
|
|
|
assert.sameValue(x, 23);
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_dstr_ary_ptrn_elem_id_init_hole_2,
|
|
"const [x = 23, y = 42] = [,,];"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_dstr_ary_ptrn_elem_id_init_hole_3,
|
|
"const [x = 23, y] = [, 42];"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_dstr_ary_ptrn_elem_id_init_hole_4,
|
|
"\
|
|
function* foo() {
|
|
yield 1;
|
|
yield 2;
|
|
}
|
|
|
|
let bar = foo();
|
|
|
|
const [x = bar.next().value, y] = [, bar.next().value];
|
|
console.log(x, y);
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
for_const_dstr_ary_ptrn_elem_id_init_hole,
|
|
"\
|
|
var iterCount = 0;
|
|
|
|
for (const [x = 23] = [,]; iterCount < 1; ) {
|
|
assert.sameValue(x, 23);
|
|
// another statement
|
|
|
|
iterCount += 1;
|
|
}
|
|
|
|
assert.sameValue(iterCount, 1, 'Iteration occurred as expected');
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_id_init_hole,
|
|
"\
|
|
const [x] = [,];
|
|
const [y] = [,], [z] = [,]
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_let_id_init_hole,
|
|
"let [x] = [,];"
|
|
);
|
|
|
|
test!(syntax(), |_| tr(), issue_6304, "let [] = [];");
|
|
|
|
test!(syntax(), |_| tr(), issue_6304_1, "let [] = [,];");
|
|
|
|
test!(syntax(), |_| tr(), issue_6304_2, "let [] = [...[1, 2, 3]];");
|
|
|
|
test_exec!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_7418,
|
|
r#"
|
|
const truc = { as: "OK"}
|
|
|
|
function x(as) {
|
|
return function g() {
|
|
const { as } = truc
|
|
console.log(as)
|
|
}
|
|
as
|
|
}
|
|
|
|
x()();
|
|
"#
|
|
);
|
|
|
|
#[testing::fixture("tests/destructuring/**/input.js")]
|
|
fn fixture(input: PathBuf) {
|
|
let parent = input.parent().unwrap();
|
|
|
|
let output = parent.join("output.js");
|
|
test_fixture(
|
|
Syntax::Es(Default::default()),
|
|
&|_: &mut swc_ecma_transforms_testing::Tester<'_>| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
destructuring(Default::default())
|
|
)
|
|
},
|
|
&input,
|
|
&output,
|
|
Default::default(),
|
|
)
|
|
}
|