commit d4e46c0c83011ae4af686282c8fae9aca210d04f · kitten.sh/babel-plugin-modular-graphql

.gitignore

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       import-map.json

     

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       node_modules

+46

index.js

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       export default function({ types: t }) {

     

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         const importMap = require('./import-map.json');

     

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         const PKG_NAME = 'graphql';

     

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         return {

     

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           visitor: {

     

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             ImportDeclaration: {

     

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               exit(path) {

     

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                 const { node } = path;

     

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                 if (node.source.value !== PKG_NAME || !node.specifiers.length) return;

     

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                 const imports = node.specifiers.reduce((acc, specifier) => {

     

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                   if (t.isImportSpecifier(specifier)) {

     

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                     const imported = specifier.imported.name;

     

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                     const declaration = importMap[imported];

     

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                     const from = declaration ? declaration.from : PKG_NAME;

     

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                     if (!acc[from]) {

     

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                       acc[from] = t.importDeclaration([], t.stringLiteral(from));

     

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                     }

     

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                     const localName = specifier.local.name;

     

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                     const newImportedName = declaration ? declaration.local : imported;

     

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                     acc[from].specifiers.push(

     

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                       t.importSpecifier(

     

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                         t.identifier(localName),

     

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                         t.identifier(newImportedName)

     

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                       )

     

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                     );

     

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                   }

     

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                   return acc;

     

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                 }, {});

     

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                 const importFiles = Object.keys(imports);

     

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                 if (

     

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                   importFiles.length &&

     

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                   (importFiles.length !== 1 || importFiles[0] !== PKG_NAME)

     

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                 ) {

     

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                   path.replaceWithMultiple(importFiles.map(key => imports[key]));

     

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                 }

     

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               },

     

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             },

     

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           },

     

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         };

     

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       }

+20

package.json

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       {

     

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         "name": "babel-plugin-modular-graphql",

     

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         "version": "0.1.0",

     

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         "main": "index.js",

     

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         "license": "MIT",

     

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         "files": [

     

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           "import-map.json",

     

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           "index.js"

     

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         ],

     

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         "scripts": {

     

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           "build": "node scripts/generate-import-map.js",

     

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           "prepublishOnly": "node scripts/generate-import-map.js"

     

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         },

     

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         "devDependencies": {

     

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           "@rollup/plugin-node-resolve": "^7.1.3",

     

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           "acorn-walk": "^7.1.1",

     

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           "graphql": "^15.0.0",

     

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           "rollup": "^2.6.1"

     

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         }

     

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       }

+122

scripts/generate-import-map.js

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       const fs = require('fs');

     

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       const path = require('path');

     

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       const { rollup } = require('rollup');

     

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       const cwd = process.cwd();

     

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       const basepath = path.resolve(cwd, 'node_modules/graphql/');

     

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       function generateImportMapPlugin(opts = {}) {

     

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         const maxDepth = opts.maxDepth || 2;

     

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         const filename = opts.filename || 'import-map.json';

     

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         const map = new Map();

     

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         const resolveFile = (from, to) => {

     

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           return path.join(from, to);

     

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         };

     

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         const resolveFromMap = (id, name, depth = 0) => {

     

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           const exports = map.get(id);

     

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           if (!exports || !exports.has(name)) return null;

     

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           const declaration = exports.get(name);

     

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           if (depth >= maxDepth || declaration.from === id) {

     

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             return declaration;

     

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           }

     

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           return resolveFromMap(declaration.from, declaration.local, depth + 1)

     

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             || declaration;

     

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         };

     

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         return {

     

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           name: 'generate-import-map',

     

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           transform(code, id) {

     

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             const relative = path.relative(basepath, id);

     

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             const dirname = path.dirname(relative);

     

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             const exports = new Map();

     

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             this.parse(code).body

     

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               .filter(x => x.type === 'ExportNamedDeclaration')

     

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               .forEach(node => {

     

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                 const source = node.source

     

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                   ? resolveFile(dirname, node.source.value)

     

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                   : relative;

     

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                 node.specifiers.forEach(specifier => {

     

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                   exports.set(specifier.exported.name, {

     

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                     local: specifier.local.name,

     

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                     from: source

     

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                   });

     

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                 });

     

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                 if (node.declaration) {

     

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                   (node.declaration.declarations || [node.declaration])

     

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                     .forEach(declaration => {

     

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                       if (declaration && declaration.id) {

     

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                         const { name } = declaration.id;

     

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                         exports.set(declaration.id.name, {

     

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                           local: name,

     

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                           from: source

     

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                         });

     

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                       }

     

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                     });

     

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                 }

     

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               });

     

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             map.set(relative, exports);

     

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             return null;

     

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           },

     

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           renderChunk(_code, chunk) {

     

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             const id = chunk.facadeModuleId;

     

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             const relative = path.relative(basepath, id);

     

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             if (chunk.isEntry) {

     

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               const importMap = chunk.exports.reduce((acc, name) => {

     

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                 const declaration = resolveFromMap(relative, name);

     

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                 if (declaration) {

     

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                   const dirname = path.join('graphql/', path.dirname(declaration.from));

     

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                   const filename = path.basename(declaration.from, '.mjs');

     

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                   acc[name] = {

     

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                     local: declaration.local,

     

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                     from: path.join(dirname, filename),

     

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                   };

     

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                 }

     

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                 return acc;

     

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               }, {});

     

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               this.emitFile({

     

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                 type: 'asset',

     

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                 filename,

     

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                 name: filename,

     

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                 source: JSON.stringify(importMap, null, 2)

     

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               });

     

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             }

     

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           },

     

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         };

     

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       }

     

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       (async () => {

     

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         const bundle = await rollup({

     

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           input: path.join(basepath, 'index.mjs'),

     

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           external: (id) => !/^\.{0,2}\//.test(id),

     

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           preserveModules: true,

     

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           plugins: [

     

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             require('@rollup/plugin-node-resolve')(),

     

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             generateImportMapPlugin({

     

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               filename: 'import-map.json'

     

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             })

     

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           ],

     

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         });

     

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         const { output } = await bundle.generate({});

     

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         fs.writeFileSync(

     

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           path.resolve(cwd, 'import-map.json'),

     

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           output.find(asset => asset.type === 'asset').source

     

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         );

     

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       })().catch((err) => {

     

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         console.error(`${err.name}: ${err.message}`);

     

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         process.exit(1);

     

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       });

+128

yarn.lock

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       # THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.

     

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       # yarn lockfile v1

     

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       92
       +
         version "4.0.2"

     

       93
       93
       +
         resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.2.tgz#4fcb0999bf9fbc2fcbdd212f6d629b9a56c39259"

     

       94
       94
       +
         integrity sha512-y7FpHSbMUMoyPbYUSzO6PaZ6FyRnQOpHuKwbo1G+Knck95XVU4QAiKdGEnj5wwoS7PlOgthX/09u5iFJ+aYf5Q==

     

       95
       95
       +
         dependencies:

     

       96
       96
       +
           braces "^3.0.1"

     

       97
       97
       +
           picomatch "^2.0.5"

     

       98
       98
       +
       

     

       99
       99
       +
       path-parse@^1.0.6:

     

       100
       100
       +
         version "1.0.6"

     

       101
       101
       +
         resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"

     

       102
       102
       +
         integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==

     

       103
       103
       +
       

     

       104
       104
       +
       picomatch@^2.0.5:

     

       105
       105
       +
         version "2.2.2"

     

       106
       106
       +
         resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"

     

       107
       107
       +
         integrity sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==

     

       108
       108
       +
       

     

       109
       109
       +
       resolve@^1.14.2:

     

       110
       110
       +
         version "1.15.1"

     

       111
       111
       +
         resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.15.1.tgz#27bdcdeffeaf2d6244b95bb0f9f4b4653451f3e8"

     

       112
       112
       +
         integrity sha512-84oo6ZTtoTUpjgNEr5SJyzQhzL72gaRodsSfyxC/AXRvwu0Yse9H8eF9IpGo7b8YetZhlI6v7ZQ6bKBFV/6S7w==

     

       113
       113
       +
         dependencies:

     

       114
       114
       +
           path-parse "^1.0.6"

     

       115
       115
       +
       

     

       116
       116
       +
       rollup@^2.6.1:

     

       117
       117
       +
         version "2.6.1"

     

       118
       118
       +
         resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.6.1.tgz#8354e67caa7b8bf24c2488d9e2f64da2be62eebe"

     

       119
       119
       +
         integrity sha512-1RhFDRJeg027YjBO6+JxmVWkEZY0ASztHhoEUEWxOwkh4mjO58TFD6Uo7T7Y3FbmDpRTfKhM5NVxJyimCn0Elg==

     

       120
       120
       +
         optionalDependencies:

     

       121
       121
       +
           fsevents "~2.1.2"

     

       122
       122
       +
       

     

       123
       123
       +
       to-regex-range@^5.0.1:

     

       124
       124
       +
         version "5.0.1"

     

       125
       125
       +
         resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"

     

       126
       126
       +
         integrity sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==

     

       127
       127
       +
         dependencies:

     

       128
       128
       +
           is-number "^7.0.0"