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refactor: do not rely on AST extra properties in plugins (#11662)

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This commit is contained in:
Huáng Jùnliàng 2020-06-04 19:12:07 -04:00 committed by GitHub
parent fdbbb57434
commit c9da3bc8b8
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GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 54 additions and 25 deletions
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7
packages/babel-helper-member-expression-to-functions/src/index.js
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@ -167,9 +167,8 @@ const handle = {
const parentIsOptionalCall = parentPath.isOptionalCallExpression({ const parentIsOptionalCall = parentPath.isOptionalCallExpression({
callee: node, callee: node,
}); });
const isParenthesizedMemberCall = // if parentIsCall is true, it implies that node.extra.parenthesized is always true
parentPath.isCallExpression({ callee: node }) && const parentIsCall = parentPath.isCallExpression({ callee: node });
node.extra?.parenthesized;
startingOptional.replaceWith(toNonOptional(startingOptional, baseRef)); startingOptional.replaceWith(toNonOptional(startingOptional, baseRef));
if (parentIsOptionalCall) { if (parentIsOptionalCall) {
if (parent.optional) { if (parent.optional) {
@ -177,7 +176,7 @@ const handle = {
} else { } else {
parentPath.replaceWith(this.call(member, parent.arguments)); parentPath.replaceWith(this.call(member, parent.arguments));
} }
} else if (isParenthesizedMemberCall) { } else if (parentIsCall) {
// `(a?.#b)()` to `(a == null ? void 0 : a.#b.bind(a))()` // `(a?.#b)()` to `(a == null ? void 0 : a.#b.bind(a))()`
member.replaceWith(this.boundGet(member)); member.replaceWith(this.boundGet(member));
} else { } else {

6
packages/babel-plugin-proposal-class-properties/test/fixtures/private-loose/parenthesized-optional-member-call-with-transform/output.js vendored
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@ -8,7 +8,7 @@ class Foo {
} }
test() { test() {
var _o$Foo$self$getSelf, _o$Foo$self$getSelf2, _fn$Foo$self$getSelf, _fn$Foo$self$getSelf2, _o$Foo, _o$Foo$self, _fn, _fn$Foo, _fn$Foo$self, _fn$Foo$self2; var _o$Foo$self$getSelf, _o$Foo$self$getSelf2, _fn$Foo$self$getSelf, _fn$Foo$self$getSelf2, _o$Foo, _o$Foo$self, _fn, _fn$Foo, _fn$Foo$self;
const o = { const o = {
Foo: Foo Foo: Foo
@ -26,8 +26,8 @@ class Foo {
(o === null || o === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(o.Foo, _m)[_m].bind(o.Foo))().toString(); (o === null || o === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(o.Foo, _m)[_m].bind(o.Foo))().toString();
((_o$Foo$self$getSelf = ((_o$Foo = o.Foo) == null ? void 0 : _o$Foo.self.getSelf.bind(_o$Foo.self))()) === null || _o$Foo$self$getSelf === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(_o$Foo$self$getSelf, _m)[_m].bind(_o$Foo$self$getSelf))(); ((_o$Foo$self$getSelf = ((_o$Foo = o.Foo) == null ? void 0 : _o$Foo.self.getSelf.bind(_o$Foo.self))()) === null || _o$Foo$self$getSelf === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(_o$Foo$self$getSelf, _m)[_m].bind(_o$Foo$self$getSelf))();
((_o$Foo$self$getSelf2 = ((_o$Foo$self = o.Foo.self) == null ? void 0 : _o$Foo$self.getSelf.bind(_o$Foo$self))()) === null || _o$Foo$self$getSelf2 === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(_o$Foo$self$getSelf2, _m)[_m].bind(_o$Foo$self$getSelf2))(); ((_o$Foo$self$getSelf2 = ((_o$Foo$self = o.Foo.self) == null ? void 0 : _o$Foo$self.getSelf.bind(_o$Foo$self))()) === null || _o$Foo$self$getSelf2 === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(_o$Foo$self$getSelf2, _m)[_m].bind(_o$Foo$self$getSelf2))();
((_fn$Foo$self$getSelf = ((_fn = fn()) == null ? void 0 : (_fn$Foo = _fn.Foo) == null ? void 0 : _fn$Foo.self.getSelf.bind(_fn.Foo.self))()) === null || _fn$Foo$self$getSelf === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(_fn$Foo$self$getSelf, _m)[_m].bind(_fn$Foo$self$getSelf))(); ((_fn$Foo$self$getSelf = ((_fn = fn()) == null ? void 0 : (_fn$Foo = _fn.Foo) == null ? void 0 : _fn$Foo.self.getSelf.bind(_fn$Foo.self))()) === null || _fn$Foo$self$getSelf === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(_fn$Foo$self$getSelf, _m)[_m].bind(_fn$Foo$self$getSelf))();
((_fn$Foo$self$getSelf2 = (fn == null ? void 0 : (_fn$Foo$self2 = _fn$Foo$self = fn().Foo.self) == null ? void 0 : _fn$Foo$self2.getSelf.bind(_fn$Foo$self))()) === null || _fn$Foo$self$getSelf2 === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(_fn$Foo$self$getSelf2, _m)[_m].bind(_fn$Foo$self$getSelf2))(); ((_fn$Foo$self$getSelf2 = (fn == null ? void 0 : (_fn$Foo$self = fn().Foo.self) == null ? void 0 : _fn$Foo$self.getSelf.bind(_fn$Foo$self))()) === null || _fn$Foo$self$getSelf2 === void 0 ? void 0 : babelHelpers.classPrivateFieldLooseBase(_fn$Foo$self$getSelf2, _m)[_m].bind(_fn$Foo$self$getSelf2))();
} }
} }

4
packages/babel-plugin-proposal-class-properties/test/fixtures/private/parenthesized-optional-member-call-with-transform/output.js vendored
View File

@ -4,7 +4,7 @@ class Foo {
} }
test() { test() {
var _o$Foo, _o$Foo2, _o$Foo3, _o$Foo$self$getSelf, _o$Foo$self$getSelf2, _fn$Foo$self$getSelf, _fn$Foo$self$getSelf2, _o$Foo4, _o$Foo4$self, _o$Foo$self, _fn, _fn$Foo$self, _fn$Foo, _fn$Foo$self2, _fn$Foo$self3; var _o$Foo, _o$Foo2, _o$Foo3, _o$Foo$self$getSelf, _o$Foo$self$getSelf2, _fn$Foo$self$getSelf, _fn$Foo$self$getSelf2, _o$Foo4, _o$Foo4$self, _o$Foo$self, _fn, _fn$Foo, _fn$Foo$self, _fn$Foo$self2;
const o = { const o = {
Foo: Foo Foo: Foo
@ -23,7 +23,7 @@ class Foo {
((_o$Foo$self$getSelf = ((_o$Foo4 = o.Foo) === null || _o$Foo4 === void 0 ? void 0 : (_o$Foo4$self = _o$Foo4.self).getSelf.bind(_o$Foo4$self))()) === null || _o$Foo$self$getSelf === void 0 ? void 0 : babelHelpers.classStaticPrivateFieldSpecGet(_o$Foo$self$getSelf, Foo, _m).bind(_o$Foo$self$getSelf))(); ((_o$Foo$self$getSelf = ((_o$Foo4 = o.Foo) === null || _o$Foo4 === void 0 ? void 0 : (_o$Foo4$self = _o$Foo4.self).getSelf.bind(_o$Foo4$self))()) === null || _o$Foo$self$getSelf === void 0 ? void 0 : babelHelpers.classStaticPrivateFieldSpecGet(_o$Foo$self$getSelf, Foo, _m).bind(_o$Foo$self$getSelf))();
((_o$Foo$self$getSelf2 = ((_o$Foo$self = o.Foo.self) === null || _o$Foo$self === void 0 ? void 0 : _o$Foo$self.getSelf.bind(_o$Foo$self))()) === null || _o$Foo$self$getSelf2 === void 0 ? void 0 : babelHelpers.classStaticPrivateFieldSpecGet(_o$Foo$self$getSelf2, Foo, _m).bind(_o$Foo$self$getSelf2))(); ((_o$Foo$self$getSelf2 = ((_o$Foo$self = o.Foo.self) === null || _o$Foo$self === void 0 ? void 0 : _o$Foo$self.getSelf.bind(_o$Foo$self))()) === null || _o$Foo$self$getSelf2 === void 0 ? void 0 : babelHelpers.classStaticPrivateFieldSpecGet(_o$Foo$self$getSelf2, Foo, _m).bind(_o$Foo$self$getSelf2))();
((_fn$Foo$self$getSelf = ((_fn = fn()) === null || _fn === void 0 ? void 0 : (_fn$Foo = _fn.Foo) === null || _fn$Foo === void 0 ? void 0 : (_fn$Foo$self = _fn$Foo.self).getSelf.bind(_fn$Foo$self))()) === null || _fn$Foo$self$getSelf === void 0 ? void 0 : babelHelpers.classStaticPrivateFieldSpecGet(_fn$Foo$self$getSelf, Foo, _m).bind(_fn$Foo$self$getSelf))(); ((_fn$Foo$self$getSelf = ((_fn = fn()) === null || _fn === void 0 ? void 0 : (_fn$Foo = _fn.Foo) === null || _fn$Foo === void 0 ? void 0 : (_fn$Foo$self = _fn$Foo.self).getSelf.bind(_fn$Foo$self))()) === null || _fn$Foo$self$getSelf === void 0 ? void 0 : babelHelpers.classStaticPrivateFieldSpecGet(_fn$Foo$self$getSelf, Foo, _m).bind(_fn$Foo$self$getSelf))();
((_fn$Foo$self$getSelf2 = (fn === null || fn === void 0 ? void 0 : (_fn$Foo$self3 = _fn$Foo$self2 = fn().Foo.self) === null || _fn$Foo$self3 === void 0 ? void 0 : _fn$Foo$self3.getSelf.bind(_fn$Foo$self2))()) === null || _fn$Foo$self$getSelf2 === void 0 ? void 0 : babelHelpers.classStaticPrivateFieldSpecGet(_fn$Foo$self$getSelf2, Foo, _m).bind(_fn$Foo$self$getSelf2))(); ((_fn$Foo$self$getSelf2 = (fn === null || fn === void 0 ? void 0 : (_fn$Foo$self2 = fn().Foo.self) === null || _fn$Foo$self2 === void 0 ? void 0 : _fn$Foo$self2.getSelf.bind(_fn$Foo$self2))()) === null || _fn$Foo$self$getSelf2 === void 0 ? void 0 : babelHelpers.classStaticPrivateFieldSpecGet(_fn$Foo$self$getSelf2, Foo, _m).bind(_fn$Foo$self$getSelf2))();
} }
} }

26
packages/babel-plugin-proposal-optional-chaining/src/index.js
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@ -24,8 +24,20 @@ export default declare((api, options) => {
visitor: { visitor: {
"OptionalCallExpression|OptionalMemberExpression"(path) { "OptionalCallExpression|OptionalMemberExpression"(path) {
const { scope } = path; const { scope } = path;
const parentPath = path.findParent(p => !p.isParenthesizedExpression()); // maybeParenthesized points to the outermost parenthesizedExpression
// or the path itself
let maybeParenthesized = path;
const parentPath = path.findParent(p => {
if (!p.isParenthesizedExpression()) return true;
maybeParenthesized = p;
});
let isDeleteOperation = false; let isDeleteOperation = false;
const parentIsCall =
parentPath.isCallExpression({ callee: maybeParenthesized.node }) &&
// note that the first condition must implies that `path.optional` is `true`,
// otherwise the parentPath should be an OptionalCallExpressioin
path.isOptionalMemberExpression();
const optionals = []; const optionals = [];
let optionalPath = path; let optionalPath = path;
@ -116,14 +128,10 @@ export default declare((api, options) => {
} }
let replacement = replacementPath.node; let replacement = replacementPath.node;
// Ensure (a?.b)() has proper `this` // Ensure (a?.b)() has proper `this`
if ( // The `parentIsCall` is constant within loop, we should check i === 0
t.isMemberExpression(replacement) && // to ensure that it is only applied to the first optional chain element
(replacement.extra?.parenthesized || // i.e. `?.b` in `(a?.b.c)()`
// if replacementPath.parentPath does not equal parentPath, if (i === 0 && parentIsCall) {
// it must be unwrapped from parenthesized expression.
replacementPath.parentPath !== parentPath) &&
parentPath.isCallExpression()
) {
// `(a?.b)()` to `(a == null ? undefined : a.b.bind(a))()` // `(a?.b)()` to `(a == null ? undefined : a.b.bind(a))()`
const { object } = replacement; const { object } = replacement;
let baseRef; let baseRef;

1
packages/babel-plugin-proposal-optional-chaining/test/fixtures/general/containers/input.js vendored
View File

@ -2,5 +2,6 @@ var street = user.address?.street
street = user.address?.street street = user.address?.street
test(a?.b, 1); test(a?.b, 1);
test((a?.b), 1);
(1, a?.b, 2); (1, a?.b, 2);

5
packages/babel-plugin-proposal-optional-chaining/test/fixtures/general/containers/output.js vendored
View File

@ -1,6 +1,7 @@
var _user$address, _user$address2, _a, _a2; var _user$address, _user$address2, _a, _a2, _a3;
var street = (_user$address = user.address) === null || _user$address === void 0 ? void 0 : _user$address.street; var street = (_user$address = user.address) === null || _user$address === void 0 ? void 0 : _user$address.street;
street = (_user$address2 = user.address) === null || _user$address2 === void 0 ? void 0 : _user$address2.street; street = (_user$address2 = user.address) === null || _user$address2 === void 0 ? void 0 : _user$address2.street;
test((_a = a) === null || _a === void 0 ? void 0 : _a.b, 1); test((_a = a) === null || _a === void 0 ? void 0 : _a.b, 1);
1, (_a2 = a) === null || _a2 === void 0 ? void 0 : _a2.b, 2; test((_a2 = a) === null || _a2 === void 0 ? void 0 : _a2.b, 1);
1, (_a3 = a) === null || _a3 === void 0 ? void 0 : _a3.b, 2;

7
packages/babel-plugin-proposal-optional-chaining/test/fixtures/general/parenthesized-expression-containers/input.js vendored Normal file
View File

@ -0,0 +1,7 @@
var street = user.address?.street
street = user.address?.street
test(a?.b, 1);
test((a?.b), 1);
(1, a?.b, 2);

6
packages/babel-plugin-proposal-optional-chaining/test/fixtures/general/parenthesized-expression-containers/options.json vendored Normal file
View File

@ -0,0 +1,6 @@
{
"plugins": ["proposal-optional-chaining"],
"parserOpts": {
"createParenthesizedExpressions": true
}
}

7
packages/babel-plugin-proposal-optional-chaining/test/fixtures/general/parenthesized-expression-containers/output.js vendored Normal file
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@ -0,0 +1,7 @@
var _user$address, _user$address2, _a, _a2, _a3;
var street = (_user$address = user.address) === null || _user$address === void 0 ? void 0 : _user$address.street;
street = (_user$address2 = user.address) === null || _user$address2 === void 0 ? void 0 : _user$address2.street;
test((_a = a) === null || _a === void 0 ? void 0 : _a.b, 1);
test(((_a2 = a) === null || _a2 === void 0 ? void 0 : _a2.b), 1);
((1, (_a3 = a) === null || _a3 === void 0 ? void 0 : _a3.b, 2));

6
packages/babel-plugin-proposal-optional-chaining/test/fixtures/general/parenthesized-member-call-loose/output.js vendored
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@ -13,7 +13,7 @@ class Foo {
} }
test() { test() {
var _o$Foo$self$getSelf, _o$Foo, _o$Foo$self$getSelf2, _o$Foo$self, _fn$Foo$self$getSelf, _fn, _fn$Foo, _fn$Foo$self$getSelf2, _fn$Foo$self, _fn$Foo$self2; var _o$Foo$self$getSelf, _o$Foo, _o$Foo$self$getSelf2, _o$Foo$self, _fn$Foo$self$getSelf, _fn, _fn$Foo, _fn$Foo$self$getSelf2, _fn$Foo$self;
const Foo = this; const Foo = this;
const o = { const o = {
@ -32,8 +32,8 @@ class Foo {
(o == null ? void 0 : o.Foo.m.bind(o.Foo))().toString(); (o == null ? void 0 : o.Foo.m.bind(o.Foo))().toString();
((_o$Foo$self$getSelf = ((_o$Foo = o.Foo) == null ? void 0 : _o$Foo.self.getSelf.bind(_o$Foo.self))()) == null ? void 0 : _o$Foo$self$getSelf.m.bind(_o$Foo$self$getSelf))(); ((_o$Foo$self$getSelf = ((_o$Foo = o.Foo) == null ? void 0 : _o$Foo.self.getSelf.bind(_o$Foo.self))()) == null ? void 0 : _o$Foo$self$getSelf.m.bind(_o$Foo$self$getSelf))();
((_o$Foo$self$getSelf2 = ((_o$Foo$self = o.Foo.self) == null ? void 0 : _o$Foo$self.getSelf.bind(_o$Foo$self))()) == null ? void 0 : _o$Foo$self$getSelf2.m.bind(_o$Foo$self$getSelf2))(); ((_o$Foo$self$getSelf2 = ((_o$Foo$self = o.Foo.self) == null ? void 0 : _o$Foo$self.getSelf.bind(_o$Foo$self))()) == null ? void 0 : _o$Foo$self$getSelf2.m.bind(_o$Foo$self$getSelf2))();
((_fn$Foo$self$getSelf = ((_fn = fn()) == null ? void 0 : (_fn$Foo = _fn.Foo) == null ? void 0 : _fn$Foo.self.getSelf.bind(_fn.Foo.self))()) == null ? void 0 : _fn$Foo$self$getSelf.m.bind(_fn$Foo$self$getSelf))(); ((_fn$Foo$self$getSelf = ((_fn = fn()) == null ? void 0 : (_fn$Foo = _fn.Foo) == null ? void 0 : _fn$Foo.self.getSelf.bind(_fn$Foo.self))()) == null ? void 0 : _fn$Foo$self$getSelf.m.bind(_fn$Foo$self$getSelf))();
((_fn$Foo$self$getSelf2 = (fn == null ? void 0 : (_fn$Foo$self2 = _fn$Foo$self = fn().Foo.self) == null ? void 0 : _fn$Foo$self2.getSelf.bind(_fn$Foo$self))()) == null ? void 0 : _fn$Foo$self$getSelf2.m.bind(_fn$Foo$self$getSelf2))(); ((_fn$Foo$self$getSelf2 = (fn == null ? void 0 : (_fn$Foo$self = fn().Foo.self) == null ? void 0 : _fn$Foo$self.getSelf.bind(_fn$Foo$self))()) == null ? void 0 : _fn$Foo$self$getSelf2.m.bind(_fn$Foo$self$getSelf2))();
} }
} }

4
packages/babel-plugin-proposal-optional-chaining/test/fixtures/general/parenthesized-member-call/output.js vendored
View File

@ -13,7 +13,7 @@ class Foo {
} }
test() { test() {
var _o$Foo, _o$Foo2, _o$Foo3, _o$Foo$self$getSelf, _o$Foo4, _o$Foo4$self, _o$Foo$self$getSelf2, _o$Foo$self, _fn$Foo$self$getSelf, _fn, _fn$Foo$self, _fn$Foo, _fn$Foo$self$getSelf2, _fn$Foo$self2, _fn$Foo$self3; var _o$Foo, _o$Foo2, _o$Foo3, _o$Foo$self$getSelf, _o$Foo4, _o$Foo4$self, _o$Foo$self$getSelf2, _o$Foo$self, _fn$Foo$self$getSelf, _fn, _fn$Foo, _fn$Foo$self, _fn$Foo$self$getSelf2, _fn$Foo$self2;
const Foo = this; const Foo = this;
const o = { const o = {
@ -33,7 +33,7 @@ class Foo {
((_o$Foo$self$getSelf = ((_o$Foo4 = o.Foo) === null || _o$Foo4 === void 0 ? void 0 : (_o$Foo4$self = _o$Foo4.self).getSelf.bind(_o$Foo4$self))()) === null || _o$Foo$self$getSelf === void 0 ? void 0 : _o$Foo$self$getSelf.m.bind(_o$Foo$self$getSelf))(); ((_o$Foo$self$getSelf = ((_o$Foo4 = o.Foo) === null || _o$Foo4 === void 0 ? void 0 : (_o$Foo4$self = _o$Foo4.self).getSelf.bind(_o$Foo4$self))()) === null || _o$Foo$self$getSelf === void 0 ? void 0 : _o$Foo$self$getSelf.m.bind(_o$Foo$self$getSelf))();
((_o$Foo$self$getSelf2 = ((_o$Foo$self = o.Foo.self) === null || _o$Foo$self === void 0 ? void 0 : _o$Foo$self.getSelf.bind(_o$Foo$self))()) === null || _o$Foo$self$getSelf2 === void 0 ? void 0 : _o$Foo$self$getSelf2.m.bind(_o$Foo$self$getSelf2))(); ((_o$Foo$self$getSelf2 = ((_o$Foo$self = o.Foo.self) === null || _o$Foo$self === void 0 ? void 0 : _o$Foo$self.getSelf.bind(_o$Foo$self))()) === null || _o$Foo$self$getSelf2 === void 0 ? void 0 : _o$Foo$self$getSelf2.m.bind(_o$Foo$self$getSelf2))();
((_fn$Foo$self$getSelf = ((_fn = fn()) === null || _fn === void 0 ? void 0 : (_fn$Foo = _fn.Foo) === null || _fn$Foo === void 0 ? void 0 : (_fn$Foo$self = _fn$Foo.self).getSelf.bind(_fn$Foo$self))()) === null || _fn$Foo$self$getSelf === void 0 ? void 0 : _fn$Foo$self$getSelf.m.bind(_fn$Foo$self$getSelf))(); ((_fn$Foo$self$getSelf = ((_fn = fn()) === null || _fn === void 0 ? void 0 : (_fn$Foo = _fn.Foo) === null || _fn$Foo === void 0 ? void 0 : (_fn$Foo$self = _fn$Foo.self).getSelf.bind(_fn$Foo$self))()) === null || _fn$Foo$self$getSelf === void 0 ? void 0 : _fn$Foo$self$getSelf.m.bind(_fn$Foo$self$getSelf))();
((_fn$Foo$self$getSelf2 = (fn === null || fn === void 0 ? void 0 : (_fn$Foo$self3 = _fn$Foo$self2 = fn().Foo.self) === null || _fn$Foo$self3 === void 0 ? void 0 : _fn$Foo$self3.getSelf.bind(_fn$Foo$self2))()) === null || _fn$Foo$self$getSelf2 === void 0 ? void 0 : _fn$Foo$self$getSelf2.m.bind(_fn$Foo$self$getSelf2))(); ((_fn$Foo$self$getSelf2 = (fn === null || fn === void 0 ? void 0 : (_fn$Foo$self2 = fn().Foo.self) === null || _fn$Foo$self2 === void 0 ? void 0 : _fn$Foo$self2.getSelf.bind(_fn$Foo$self2))()) === null || _fn$Foo$self$getSelf2 === void 0 ? void 0 : _fn$Foo$self$getSelf2.m.bind(_fn$Foo$self$getSelf2))();
} }
} }