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[babel 8] Output minimal strings by default (#12675)

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Co-authored-by: Justin Ridgewell <justin@ridgewell.name>
Co-authored-by: Justin Ridgewell <jridgewell@google.com>
This commit is contained in:
Huáng Jùnliàng
2021-01-23 16:50:07 -05:00
committed by GitHub
parent 464a02ffe1
commit cd090e9842
37 changed files with 231 additions and 12 deletions
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2
packages/babel-generator/package.json
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@@ -20,7 +20,7 @@
],
"dependencies": {
"@babel/types": "workspace:^7.12.11",
"jsesc": "^2.5.1",
"jsesc": "condition: BABEL_8_BREAKING ? ^3.0.2 : ^2.5.1",
"source-map": "^0.5.0"
},
"devDependencies": {

2
packages/babel-generator/src/generators/types.js
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@@ -203,8 +203,6 @@ export function StringLiteral(node: Object) {
return;
}
// ensure the output is ASCII-safe
const val = jsesc(
node.value,
process.env.BABEL_8_BREAKING

2
packages/babel-generator/src/index.js
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@@ -55,6 +55,7 @@ function normalizeOptions(code, opts): Format {
jsescOption: {
quotes: "double",
wrap: true,
minimal: true,
...opts.jsescOption,
},
recordAndTupleSyntaxType: opts.recordAndTupleSyntaxType,
@@ -62,6 +63,7 @@ function normalizeOptions(code, opts): Format {
if (!process.env.BABEL_8_BREAKING) {
format.jsonCompatibleStrings = opts.jsonCompatibleStrings;
delete format.jsescOption.minimal;
}
if (format.minified) {

2
packages/babel-generator/test/fixtures/escapes/jsonEscape/output.js vendored
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@@ -1,2 +1,2 @@
0;// Not a directive
"\u00A9";
"©";

18
packages/babel-generator/test/fixtures/minified/literals-babel-7/input.js vendored Normal file
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@@ -0,0 +1,18 @@
5;
5.0;
5e1;
5e4;
"foobar";
'\x20';
"\n\r";
"😂";
"\uD83D_\uDE02"
`😂`;
/foobar/g;
null;
true;
false;
5.;
0b10;
0o70;
0X1F;

3
packages/babel-generator/test/fixtures/minified/literals-babel-7/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": false
}

1
packages/babel-generator/test/fixtures/minified/literals-babel-7/output.js vendored Normal file
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@@ -0,0 +1 @@
5;5;50;5e4;"foobar";" ";"\n\r";"\uD83D\uDE02";"\uD83D_\uDE02"`😂`;/foobar/g;null;true;false;5;2;56;31;

1
packages/babel-generator/test/fixtures/minified/literals/input.js vendored
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@@ -6,6 +6,7 @@
'\x20';
"\n\r";
"😂";
"\uD83D_\uDE02"
`😂`;
/foobar/g;
null;

3
packages/babel-generator/test/fixtures/minified/literals/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": true
}

2
packages/babel-generator/test/fixtures/minified/literals/output.js vendored
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@@ -1 +1 @@
5;5;50;5e4;"foobar";" ";"\n\r";"\uD83D\uDE02";`😂`;/foobar/g;null;true;false;5;2;56;31;
5;5;50;5e4;"foobar";" ";"\n\r";"😂";"\uD83D_\uDE02"`😂`;/foobar/g;null;true;false;5;2;56;31;

3
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxattribute-babel-7/input.js vendored Normal file
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@@ -0,0 +1,3 @@
<div id="wôw" />;
<div id="\w" />;
<div id="w &lt; w" />;

3
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxattribute-babel-7/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": false
}

16
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxattribute-babel-7/output.mjs vendored Normal file
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@@ -0,0 +1,16 @@
import { jsx as _jsx } from "react/jsx-runtime";
/*#__PURE__*/
_jsx("div", {
id: "w\xF4w"
});
/*#__PURE__*/
_jsx("div", {
id: "\\w"
});
/*#__PURE__*/
_jsx("div", {
id: "w < w"
});

3
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxattribute/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": true
}

2
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxattribute/output.mjs vendored
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@@ -2,7 +2,7 @@ import { jsx as _jsx } from "react/jsx-runtime";
/*#__PURE__*/
_jsx("div", {
id: "w\xF4w"
id: "wôw"
});
/*#__PURE__*/

12
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxtext-babel-7/input.js vendored Normal file
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@@ -0,0 +1,12 @@
<div>wow</div>;
<div>wôw</div>;
<div>w & w</div>;
<div>w &amp; w</div>;
<div>w &nbsp; w</div>;
<div>this should not parse as unicode: \u00a0</div>;
<div>this should parse as nbsp:   </div>;
<div>this should parse as unicode: {'\u00a0 '}</div>;
<div>w &lt; w</div>;

1
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxtext-babel-7/options.json vendored Normal file
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@@ -0,0 +1 @@
{ "BABEL_8_BREAKING": false }

47
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxtext-babel-7/output.mjs vendored Normal file
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@@ -0,0 +1,47 @@
import { jsx as _jsx } from "react/jsx-runtime";
import { jsxs as _jsxs } from "react/jsx-runtime";
/*#__PURE__*/
_jsx("div", {
children: "wow"
});
/*#__PURE__*/
_jsx("div", {
children: "w\xF4w"
});
/*#__PURE__*/
_jsx("div", {
children: "w & w"
});
/*#__PURE__*/
_jsx("div", {
children: "w & w"
});
/*#__PURE__*/
_jsx("div", {
children: "w \xA0 w"
});
/*#__PURE__*/
_jsx("div", {
children: "this should not parse as unicode: \\u00a0"
});
/*#__PURE__*/
_jsx("div", {
children: "this should parse as nbsp: \xA0 "
});
/*#__PURE__*/
_jsxs("div", {
children: ["this should parse as unicode: ", '\u00a0 ']
});
/*#__PURE__*/
_jsx("div", {
children: "w < w"
});

1
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxtext/options.json vendored Normal file
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@@ -0,0 +1 @@
{ "BABEL_8_BREAKING": true }

2
packages/babel-plugin-transform-react-jsx/test/fixtures/react-automatic/should-escape-xhtml-jsxtext/output.mjs vendored
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@@ -8,7 +8,7 @@ _jsx("div", {
/*#__PURE__*/
_jsx("div", {
children: "w\xF4w"
children: "wôw"
});
/*#__PURE__*/

3
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxattribute-babel-7/input.js vendored Normal file
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@@ -0,0 +1,3 @@
<div id="wôw" />;
<div id="\w" />;
<div id="w &lt; w" />;

3
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxattribute-babel-7/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": false
}

14
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxattribute-babel-7/output.js vendored Normal file
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@@ -0,0 +1,14 @@
/*#__PURE__*/
React.createElement("div", {
id: "w\xF4w"
});
/*#__PURE__*/
React.createElement("div", {
id: "\\w"
});
/*#__PURE__*/
React.createElement("div", {
id: "w < w"
});

3
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxattribute/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": true
}

2
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxattribute/output.js vendored
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@@ -1,6 +1,6 @@
/*#__PURE__*/
React.createElement("div", {
id: "w\xF4w"
id: "wôw"
});
/*#__PURE__*/

12
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxtext-babel-7/input.js vendored Normal file
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@@ -0,0 +1,12 @@
<div>wow</div>;
<div>wôw</div>;
<div>w & w</div>;
<div>w &amp; w</div>;
<div>w &nbsp; w</div>;
<div>this should not parse as unicode: \u00a0</div>;
<div>this should parse as nbsp:   </div>;
<div>this should parse as unicode: {'\u00a0 '}</div>;
<div>w &lt; w</div>;

3
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxtext-babel-7/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": false
}

26
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxtext-babel-7/output.js vendored Normal file
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@@ -0,0 +1,26 @@
/*#__PURE__*/
React.createElement("div", null, "wow");
/*#__PURE__*/
React.createElement("div", null, "w\xF4w");
/*#__PURE__*/
React.createElement("div", null, "w & w");
/*#__PURE__*/
React.createElement("div", null, "w & w");
/*#__PURE__*/
React.createElement("div", null, "w \xA0 w");
/*#__PURE__*/
React.createElement("div", null, "this should not parse as unicode: \\u00a0");
/*#__PURE__*/
React.createElement("div", null, "this should parse as nbsp: \xA0 ");
/*#__PURE__*/
React.createElement("div", null, "this should parse as unicode: ", '\u00a0 ');
/*#__PURE__*/
React.createElement("div", null, "w < w");

3
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxtext/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": true
}

2
packages/babel-plugin-transform-react-jsx/test/fixtures/react/should-escape-xhtml-jsxtext/output.js vendored
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@@ -2,7 +2,7 @@
React.createElement("div", null, "wow");
/*#__PURE__*/
React.createElement("div", null, "w\xF4w");
React.createElement("div", null, "wôw");
/*#__PURE__*/
React.createElement("div", null, "w & w");

1
packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes-babel-7/input.js vendored Normal file
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@@ -0,0 +1 @@
var foo = bar`\u0061\u{0061}\ud835\udc9c\u{1d49c}`;

3
packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes-babel-7/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": false
}

5
packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes-babel-7/output.js vendored Normal file
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@@ -0,0 +1,5 @@
var _templateObject;
function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
var foo = bar(_templateObject || (_templateObject = _taggedTemplateLiteral(["aa\uD835\uDC9C\uD835\uDC9C"], ["\\u0061\\u{0061}\\ud835\\udc9c\\u{1d49c}"])));

3
packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes/options.json vendored Normal file
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@@ -0,0 +1,3 @@
{
"BABEL_8_BREAKING": true
}

2
packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes/output.js vendored
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@@ -2,4 +2,4 @@ var _templateObject;
function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
var foo = bar(_templateObject || (_templateObject = _taggedTemplateLiteral(["aa\uD835\uDC9C\uD835\uDC9C"], ["\\u0061\\u{0061}\\ud835\\udc9c\\u{1d49c}"])));
var foo = bar(_templateObject || (_templateObject = _taggedTemplateLiteral(["aa𝒜𝒜"], ["\\u0061\\u{0061}\\ud835\\udc9c\\u{1d49c}"])));

9
packages/babel-plugin-transform-unicode-escapes/src/index.js
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@@ -42,6 +42,15 @@ export default declare(api => {
return {
name: "transform-unicode-escapes",
manipulateOptions({ generatorOpts }) {
// Babel 8 will enable jsesc minimal mode by default, which outputs
// unescaped unicode string
if (!generatorOpts.jsescOption) {
generatorOpts.jsescOption = {};
}
// $FlowIgnore: Flow does not support logical assignment
generatorOpts.jsescOption.minimal ??= false;
},
visitor: {
Identifier(path) {
const { node, key } = path;