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Commit47ad54a

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convert @babel/preset-env to typescript (#13217)
* babel-preset-env flowts rename* babel-preset-env flowts convert* babel-preset-env fixes* babel-preset-env* make generate-tsconfig* Minimize diff* Fix many type errorsCo-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>
1 parent22e5afc commit47ad54a

16 files changed

+117
-124
lines changed

‎packages/babel-preset-env/src/available-plugins.js‎renamed to ‎packages/babel-preset-env/src/available-plugins.ts‎

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@@ -1,4 +1,3 @@
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//@flow
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/* eslint sort-keys: "error" */
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importsyntaxAsyncGeneratorsfrom"@babel/plugin-syntax-async-generators";

‎packages/babel-preset-env/src/debug.js‎renamed to ‎packages/babel-preset-env/src/debug.ts‎

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@@ -1,9 +1,6 @@
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//@flow
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import{getInclusionReasons}from"@babel/helper-compilation-targets";
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3-
import{
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getInclusionReasons,
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typeTargets,
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}from"@babel/helper-compilation-targets";
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importtype{Targets}from"@babel/helper-compilation-targets";
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// Outputs a message that shows which target(s) caused an item to be included:
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// transform-foo { "edge":"13", "firefox":"49", "ie":"10" }

‎packages/babel-preset-env/src/filter-items.js‎renamed to ‎packages/babel-preset-env/src/filter-items.ts‎

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//@flow
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import{lt}from"semver";
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import{minVersions}from"./available-plugins";
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‎packages/babel-preset-env/src/get-option-specific-excludes.js‎renamed to ‎packages/babel-preset-env/src/get-option-specific-excludes.ts‎

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@@ -1,5 +1,3 @@
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//@flow
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constdefaultExcludesForLooseMode=["transform-typeof-symbol"];
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exportdefaultfunction({ loose}:{loose:boolean}):null|string[]{

‎packages/babel-preset-env/src/index.js‎renamed to ‎packages/babel-preset-env/src/index.ts‎

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@@ -1,6 +1,5 @@
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//@flow
2-
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import{SemVer,lt}from"semver";
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import{lt}from"semver";
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importtype{SemVer}from"semver";
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import{logPlugin}from"./debug";
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importgetOptionSpecificExcludesForfrom"./get-option-specific-excludes";
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import{removeUnnecessaryItems,removeUnsupportedItems}from"./filter-items";
@@ -27,13 +26,13 @@ import getTargets, {
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prettifyTargets,
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filterItems,
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isRequired,
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typeTargets,
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typeInputTargets,
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}from"@babel/helper-compilation-targets";
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importtype{Targets,InputTargets}from"@babel/helper-compilation-targets";
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importavailablePluginsfrom"./available-plugins";
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import{declare}from"@babel/helper-plugin-utils";
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36-
importtypeofModuleTransformationsTypefrom"./module-transformations";
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typeModuleTransformationsType=
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typeofimport("./module-transformations").default;
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importtype{BuiltInsOption,ModuleOption}from"./types";
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// TODO: Remove in Babel 8
@@ -92,7 +91,7 @@ const getPlugin = (pluginName: string) => {
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returnplugin;
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};
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exportconsttransformIncludesAndExcludes=(opts:Array<string>):Object=>{
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exportconsttransformIncludesAndExcludes=(opts:Array<string>):any=>{
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returnopts.reduce(
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(result,opt)=>{
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consttarget=opt.match(/^(es|es6|es7|esnext|web)\./)
@@ -116,14 +115,14 @@ export const getModulesPluginNames = ({
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shouldTransformDynamicImport,
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shouldTransformExportNamespaceFrom,
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shouldParseTopLevelAwait,
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}:{|
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modules:ModuleOption,
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transformations:ModuleTransformationsType,
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shouldTransformESM:boolean,
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shouldTransformDynamicImport:boolean,
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shouldTransformExportNamespaceFrom:boolean,
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shouldParseTopLevelAwait:boolean,
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|})=>{
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}:{
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modules:ModuleOption;
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transformations:ModuleTransformationsType;
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shouldTransformESM:boolean;
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shouldTransformDynamicImport:boolean;
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shouldTransformExportNamespaceFrom:boolean;
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shouldParseTopLevelAwait:boolean;
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})=>{
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constmodulesPluginNames=[];
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if(modules!==false&&transformations[modules]){
129128
if(shouldTransformESM){
@@ -173,15 +172,15 @@ export const getPolyfillPlugins = ({
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regenerator,
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debug,
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}:{
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useBuiltIns:BuiltInsOption,
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corejs:typeofSemVer|null|false,
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polyfillTargets:Targets,
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include:Set<string>,
180-
exclude:Set<string>,
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proposals:boolean,
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shippedProposals:boolean,
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regenerator:boolean,
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debug:boolean,
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useBuiltIns:BuiltInsOption;
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corejs:SemVer|null|false;
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polyfillTargets:Targets;
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include:Set<string>;
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exclude:Set<string>;
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proposals:boolean;
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shippedProposals:boolean;
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regenerator:boolean;
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debug:boolean;
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})=>{
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constpolyfillPlugins=[];
187186
if(useBuiltIns==="usage"||useBuiltIns==="entry"){
@@ -249,7 +248,7 @@ function getLocalTargets(
249248
`);
250249
}
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252-
returngetTargets((optionsTargets:InputTargets),{
251+
returngetTargets(optionsTargetsasInputTargets,{
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ignoreBrowserslistConfig,
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configPath,
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browserslistEnv,
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@@ -1,12 +1,10 @@
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//@flow
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typeAvailablePlugins=typeofimport("./available-plugins").default;
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importtypeofAvailablePluginsfrom"./available-plugins";
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exportdefault({
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exportdefault{
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auto:"transform-modules-commonjs",
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amd:"transform-modules-amd",
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commonjs:"transform-modules-commonjs",
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cjs:"transform-modules-commonjs",
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systemjs:"transform-modules-systemjs",
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umd:"transform-modules-umd",
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}:{[transform:string]:$Keys<AvailablePlugins>});
10+
}as{[transform:string]:keyofAvailablePlugins};

‎packages/babel-preset-env/src/normalize-options.js‎renamed to ‎packages/babel-preset-env/src/normalize-options.ts‎

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@@ -1,6 +1,6 @@
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//@flow
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importcorejs3Polyfillsfrom"core-js-compat/data.json";
3-
import{coerce,SemVer}from"semver";
2+
import{coerce}from"semver";
3+
importtype{SemVer}from"semver";
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importcorejs2Polyfillsfrom"@babel/compat-data/corejs2-built-ins";
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import{pluginsaspluginsList}from"./plugins-compat-data";
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importmoduleTransformationsfrom"./module-transformations";
@@ -22,6 +22,8 @@ import type {
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PluginListOption,
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}from"./types";
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25+
declareconstPACKAGE_JSON:{name:string;version:string};
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constv=newOptionValidator(PACKAGE_JSON.name);
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constallPluginsList=Object.keys(pluginsList);
@@ -111,9 +113,10 @@ export const checkDuplicateIncludeExcludes = (
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);
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};
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114-
const normalizeTargets = (targets):$PropertyType<Options,"targets">=>{
116+
constnormalizeTargets=(targets):Options["targets"]=>{
115117
// TODO: Allow to use only query or strings as a targets from next breaking change.
116118
if(typeoftargets==="string"||Array.isArray(targets)){
119+
//@ts-expect-error
117120
return{browsers:targets};
118121
}
119122
return{ ...targets};
@@ -150,12 +153,12 @@ export const validateUseBuiltInsOption = (
150153
};
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152155
exporttypeNormalizedCorejsOption={
153-
proposals:boolean,
154-
version:typeofSemVer|null|false,
156+
proposals:boolean;
157+
version:SemVer|null|false;
155158
};
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157160
exportfunctionnormalizeCoreJSOption(
158-
corejs?:CorejsOption,
161+
corejs:CorejsOption|undefined|null,
159162
useBuiltIns:BuiltInsOption,
160163
):NormalizedCorejsOption{
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letproposals=false;
@@ -249,7 +252,7 @@ export default function normalizeOptions(opts: Options) {
249252
opts.ignoreBrowserslistConfig,
250253
false,
251254
),
252-
loose:v.validateBooleanOption(TopLevelOptions.loose,opts.loose),
255+
loose:v.validateBooleanOption<boolean>(TopLevelOptions.loose,opts.loose),
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modules:validateModulesOption(opts.modules),
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shippedProposals:v.validateBooleanOption(
255258
TopLevelOptions.shippedProposals,

‎packages/babel-preset-env/src/options.js‎renamed to ‎packages/babel-preset-env/src/options.ts‎

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//@flow
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exportconstTopLevelOptions={
42
bugfixes:"bugfixes",
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configPath:"configPath",
@@ -16,7 +14,7 @@ export const TopLevelOptions = {
1614
targets:"targets",
1715
useBuiltIns:"useBuiltIns",
1816
browserslistEnv:"browserslistEnv",
19-
};
17+
}asconst;
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2119
exportconstModulesOption={
2220
false:false,
@@ -26,10 +24,10 @@ export const ModulesOption = {
2624
cjs:"cjs",
2725
systemjs:"systemjs",
2826
umd:"umd",
29-
};
27+
}asconst;
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3129
exportconstUseBuiltInsOption={
3230
false:false,
3331
entry:"entry",
3432
usage:"usage",
35-
};
33+
}asconst;

‎packages/babel-preset-env/src/plugins-compat-data.js‎renamed to ‎packages/babel-preset-env/src/plugins-compat-data.ts‎

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//@flow
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importpluginsfrom"@babel/compat-data/plugins";
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importbugfixPluginsfrom"@babel/compat-data/plugin-bugfixes";
53
importavailablePluginsfrom"./available-plugins";

‎packages/babel-preset-env/src/polyfills/babel-polyfill.js‎renamed to ‎packages/babel-preset-env/src/polyfills/babel-polyfill.ts‎

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//@flow
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import{getImportSource,getRequireSource,isPolyfillSource}from"./utils";
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importtype{NodePath}from"@babel/traverse";
4+
import*astfrom"@babel/types";
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76
constBABEL_POLYFILL_DEPRECATION=`
87
\`@babel/polyfill\` is deprecated. Please, use required parts of \`core-js\`
@@ -19,7 +18,7 @@ export default function (
1918
return{
2019
name:"preset-env/replace-babel-polyfill",
2120
visitor:{
22-
ImportDeclaration(path:NodePath){
21+
ImportDeclaration(path:NodePath<t.ImportDeclaration>){
2322
constsrc=getImportSource(path);
2423
if(usage&&isPolyfillSource(src)){
2524
// $FlowIgnore
@@ -40,7 +39,7 @@ export default function (
4039
}
4140
}
4241
},
43-
Program(path:NodePath){
42+
Program(path:NodePath<t.Program>){
4443
path.get("body").forEach(bodyPath=>{
4544
constsrc=getRequireSource(bodyPath);
4645
if(usage&&isPolyfillSource(src)){

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