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Mark transpiled JSX elements as pure (#11126)

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* Mark transpiled JSX elements as pure

* Avoid duble annotation

* Add "pure" option to the React preset

* Fix generator indentation

* Update tests

* Add tests for the "pure" option

* Update windows fixtures
This commit is contained in:
Nicolò Ribaudo
2020-03-19 15:43:54 +01:00
committed by GitHub
parent fa7ec81771
commit f3912ac08f
246 changed files with 613 additions and 314 deletions
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4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-2/output.mjs vendored
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@@ -1,10 +1,10 @@
var _ref = /*#__PURE__*/<div>child</div>;
var _ref = <div>child</div>;
const AppItem = () => {
return _ref;
};
var _ref2 = /*#__PURE__*/<div>
var _ref2 = <div>
<p>Parent</p>
<AppItem />
</div>;

6
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-3/output.js vendored
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@@ -1,6 +1,6 @@
var _ref2 = /*#__PURE__*/<div>child</div>;
var _ref2 = <div>child</div>;
var _ref3 = /*#__PURE__*/<p>Parent</p>;
var _ref3 = <p>Parent</p>;
(function () {
class App extends React.Component {
@@ -13,7 +13,7 @@ var _ref3 = /*#__PURE__*/<p>Parent</p>;
const AppItem = () => {
return _ref2;
},
_ref = /*#__PURE__*/<div>
_ref = <div>
{_ref3}
<AppItem />
</div>;

6
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope-4/output.js vendored
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@@ -1,13 +1,13 @@
var _ref = /*#__PURE__*/<div>child</div>;
var _ref = <div>child</div>;
var _ref3 = /*#__PURE__*/<p>Parent</p>;
var _ref3 = <p>Parent</p>;
(function () {
const AppItem = () => {
return _ref;
};
var _ref2 = /*#__PURE__*/<div>
var _ref2 = <div>
{_ref3}
<AppItem />
</div>;

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/append-to-end-when-declared-in-scope/output.mjs vendored
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@@ -5,12 +5,12 @@ export default class App extends React.Component {
}
var _ref2 = /*#__PURE__*/<div>child</div>;
var _ref2 = <div>child</div>;
const AppItem = () => {
return _ref2;
},
_ref = /*#__PURE__*/<div>
_ref = <div>
<p>Parent</p>
<AppItem />
</div>;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/children/output.js vendored
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@@ -1,4 +1,4 @@
var _ref = /*#__PURE__*/<span />;
var _ref = <span />;
var Foo = React.createClass({
render: function () {

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/class-assign-unreferenced-param-deopt/output.mjs vendored
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@@ -1,6 +1,6 @@
import React from 'react'; // Regression test for https://github.com/babel/babel/issues/5552
var _ref = /*#__PURE__*/<div />;
var _ref = <div />;
class BugReport extends React.Component {
constructor(...args) {

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/compound-assignment/output.mjs vendored
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@@ -1,9 +1,9 @@
import React from 'react';
import Loader from 'loader';
var _ref = /*#__PURE__*/<Loader className="full-height" />;
var _ref = <Loader className="full-height" />;
var _ref2 = /*#__PURE__*/<Loader className="p-y-5" />;
var _ref2 = <Loader className="p-y-5" />;
const errorComesHere = () => _ref,
thisWorksFine = () => _ref2;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/constructor/output.js vendored
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@@ -1,6 +1,6 @@
var Foo = require("Foo");
var _ref = /*#__PURE__*/<Foo />;
var _ref = <Foo />;
function render() {
return _ref;

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/deep-constant-violation/output.js vendored
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@@ -1,6 +1,6 @@
var _ref = /*#__PURE__*/<b></b>;
var _ref = <b></b>;
var _ref2 = /*#__PURE__*/<span></span>;
var _ref2 = <span></span>;
function render() {
var children = _ref;

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-class/output.mjs vendored
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@@ -4,11 +4,11 @@ const Parent = ({}) => _ref;
export default Parent;
var _ref2 = /*#__PURE__*/<div className="child">
var _ref2 = <div className="child">
ChildTextContent
</div>;
let Child = () => _ref2,
_ref = /*#__PURE__*/<div className="parent">
_ref = <div className="parent">
<Child />
</div>;

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-declaration/output.js vendored
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@@ -1,6 +1,6 @@
function render() {
const bar = "bar",
_ref = /*#__PURE__*/<foo bar={bar} />,
_ref = <foo bar={bar} />,
renderFoo = () => _ref;
return renderFoo();
@@ -10,7 +10,7 @@ function render() {
const bar = "bar",
renderFoo = () => _ref2,
baz = "baz",
_ref2 = /*#__PURE__*/<foo bar={bar} baz={baz} />;
_ref2 = <foo bar={bar} baz={baz} />;
return renderFoo();
}

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params-2/output.js vendored
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@@ -1,7 +1,7 @@
function render() {
var title = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
var _ref = /*#__PURE__*/<Component title={title} />;
var _ref = <Component title={title} />;
return () => _ref;
}

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-default-params/output.js vendored
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@@ -1,6 +1,6 @@
function render(Component) {
var text = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '',
_ref = /*#__PURE__*/<Component text={text} />;
_ref = <Component text={text} />;
return function () {
return _ref;

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/dont-hoist-before-hoc/output.mjs vendored
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@@ -6,7 +6,7 @@ const Parent = ({}) => _ref;
export default Parent;
var _ref2 = /*#__PURE__*/<div className="child">
var _ref2 = <div className="child">
ChildTextContent
</div>;
@@ -14,6 +14,6 @@ let Child = () => _ref2;
Child = HOC(Child);
var _ref = /*#__PURE__*/<div className="parent">
var _ref = <div className="parent">
<Child />
</div>;

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/function-parameter/output.js vendored
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@@ -1,5 +1,5 @@
function render(text) {
var _ref = /*#__PURE__*/<foo>{text}</foo>;
var _ref = <foo>{text}</foo>;
return function () {
return _ref;
@@ -9,7 +9,7 @@ function render(text) {
var Foo2 = require("Foo");
function createComponent(text) {
var _ref2 = /*#__PURE__*/<Foo2>{text}</Foo2>;
var _ref2 = <Foo2>{text}</Foo2>;
return function render() {
return _ref2;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/global-reference/output.js vendored
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@@ -1,4 +1,4 @@
var _ref = /*#__PURE__*/<div foo={notDeclared}></div>;
var _ref = <div foo={notDeclared}></div>;
var Foo = React.createClass({
render: function render() {

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/html-element/output.js vendored
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@@ -1,10 +1,10 @@
var _ref = /*#__PURE__*/<foo />;
var _ref = <foo />;
function render() {
return _ref;
}
var _ref2 = /*#__PURE__*/<div className="foo"><input type="checkbox" checked={true} /></div>;
var _ref2 = <div className="foo"><input type="checkbox" checked={true} /></div>;
function render() {
return _ref2;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/inner-declaration/output.js vendored
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@@ -1,7 +1,7 @@
function render() {
var text = getText();
var _ref = /*#__PURE__*/<foo>{text}</foo>;
var _ref = <foo>{text}</foo>;
return function () {
return _ref;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-constant/output.js vendored
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@@ -1,7 +1,7 @@
function render() {
this.component = "div";
var _ref = /*#__PURE__*/<this.component />;
var _ref = <this.component />;
return () => _ref;
}

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression-this/output.js vendored
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@@ -1,4 +1,4 @@
var _ref = /*#__PURE__*/<span>Sub Component</span>;
var _ref = <span>Sub Component</span>;
class Component extends React.Component {
constructor(...args) {
@@ -6,7 +6,7 @@ class Component extends React.Component {
this.subComponent = () => _ref;
var _ref2 = /*#__PURE__*/<this.subComponent />;
var _ref2 = <this.subComponent />;
this.render = () => _ref2;
}

4
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/member-expression/output.js vendored
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@@ -1,10 +1,10 @@
var _ref = /*#__PURE__*/<span>Sub Component</span>;
var _ref = <span>Sub Component</span>;
const els = {
subComponent: () => _ref
};
var _ref2 = /*#__PURE__*/<els.subComponent />;
var _ref2 = <els.subComponent />;
class Component extends React.Component {
constructor(...args) {

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/param-and-var/output.js vendored
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@@ -1,6 +1,6 @@
function fn(Component, obj) {
var data = obj.data,
_ref = /*#__PURE__*/<Component prop={data} />;
_ref = <Component prop={data} />;
return () => _ref;
}

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-multi/output.js vendored
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@@ -3,7 +3,7 @@ function render(_ref) {
className = _ref.className,
id = _ref.id;
var _ref2 = /*#__PURE__*/<Component text={text} className={className} id={id} />;
var _ref2 = <Component text={text} className={className} id={id} />;
return () => _ref2;
}

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure-rest/output.js vendored
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@@ -4,7 +4,7 @@ function render(_ref) {
id = _ref.id,
props = babelHelpers.objectWithoutProperties(_ref, ["text", "className", "id"]);
var _ref2 = /*#__PURE__*/<Component text={text} className={className} id={id} />;
var _ref2 = <Component text={text} className={className} id={id} />;
// intentionally ignoring props
return () => _ref2;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-destructure/output.js vendored
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@@ -1,7 +1,7 @@
function render(_ref) {
let text = _ref.text;
var _ref2 = /*#__PURE__*/<Component text={text} />;
var _ref2 = <Component text={text} />;
return () => _ref2;
}

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/parameter-reference/output.js vendored
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@@ -1,5 +1,5 @@
function render(text) {
var _ref = /*#__PURE__*/<div>{text}</div>;
var _ref = <div>{text}</div>;
return function () {
return _ref;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-2/output.js vendored
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@@ -1,5 +1,5 @@
function render(offset) {
var _ref = /*#__PURE__*/<div tabIndex={offset + 1} />;
var _ref = <div tabIndex={offset + 1} />;
return function () {
return _ref;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-3/output.js vendored
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@@ -1,6 +1,6 @@
const OFFSET = 3;
var _ref = /*#__PURE__*/<div tabIndex={OFFSET + 1} />;
var _ref = <div tabIndex={OFFSET + 1} />;
var Foo = React.createClass({
render: function () {

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist-member/output.mjs vendored
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@@ -1,6 +1,6 @@
import Intl from 'react-intl';
var _ref = /*#__PURE__*/<Intl.FormattedMessage id="someMessage.foo" defaultMessage={"Some text, " + "and some more too. {someValue}"} description="A test message for babel." values={{
var _ref = <Intl.FormattedMessage id="someMessage.foo" defaultMessage={"Some text, " + "and some more too. {someValue}"} description="A test message for babel." values={{
someValue: "A value."
}} />;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression-whitelist/output.js vendored
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@@ -1,4 +1,4 @@
var _ref = /*#__PURE__*/<FormattedMessage id="someMessage.foo" defaultMessage={"Some text, " + "and some more too. {someValue}"} description="A test message for babel." values={{
var _ref = <FormattedMessage id="someMessage.foo" defaultMessage={"Some text, " + "and some more too. {someValue}"} description="A test message for babel." values={{
someValue: "A value."
}} />;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/pure-expression/output.js vendored
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@@ -1,4 +1,4 @@
var _ref = /*#__PURE__*/<div data-text={"Some text, " + "and some more too."} />;
var _ref = <div data-text={"Some text, " + "and some more too."} />;
var Foo = React.createClass({
render: function () {

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/reassignment/output.js vendored
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@@ -1,7 +1,7 @@
function render(text) {
text += "yes";
var _ref = /*#__PURE__*/<div>{text}</div>;
var _ref = <div>{text}</div>;
return function () {
return _ref;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/text-children/output.js vendored
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@@ -1,4 +1,4 @@
var _ref = /*#__PURE__*/<div className="class-name">
var _ref = <div className="class-name">
Text
</div>;

2
packages/babel-plugin-transform-react-constant-elements/test/fixtures/constant-elements/var/output.js vendored
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@@ -1,6 +1,6 @@
function fn(Component) {
var data = "prop",
_ref = /*#__PURE__*/<Component prop={data} />;
_ref = <Component prop={data} />;
return () => _ref;
}