Upgrade dependencies #16
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| { | ||
| "esversion": 6 | ||
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| /** | ||
| This file contains black magic. Don't overthink it. | ||
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| In rollup configuration use it like this: | ||
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| const extensions = require("./extensions") | ||
| rollup({ | ||
| plugins: [ | ||
| extensions({ | ||
| extensions: [".jsx", ".foobar", ".etc"] | ||
| }), | ||
| ] | ||
| }); | ||
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| Most of this file's code was taken from here: https://github.com/rollup/rollup/issues/1052 | ||
| */ | ||
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| const { basename, dirname, isAbsolute, resolve } = require("path"); | ||
| const fs = require("fs"); | ||
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There was a problem hiding this comment. 'const' is available in ES6 (use 'esversion: 6') or Mozilla JS extensions (use moz). |
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| function isFile(file) { | ||
| try { | ||
| return fs.statSync(file).isFile(); | ||
| } catch (err) { | ||
| return false; | ||
| } | ||
| } | ||
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| function addExtensionIfNecessary(file, extensions) { | ||
| try { | ||
| const name = basename(file); | ||
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There was a problem hiding this comment. 'const' is available in ES6 (use 'esversion: 6') or Mozilla JS extensions (use moz). |
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| const files = fs.readdirSync(dirname(file)); | ||
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There was a problem hiding this comment. 'const' is available in ES6 (use 'esversion: 6') or Mozilla JS extensions (use moz). |
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| if (~files.indexOf(name) && isFile(file)) return file; | ||
| for (const ext of extensions) { | ||
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There was a problem hiding this comment. 'for of' is available in ES6 (use 'esversion: 6') or Mozilla JS extensions (use moz). |
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| if (~files.indexOf(`${name}${ext}`) && isFile(`${file}${ext}`)) { | ||
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There was a problem hiding this comment. 'template literal syntax' is only available in ES6 (use 'esversion: 6'). |
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| return `${file}${ext}`; | ||
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There was a problem hiding this comment. 'template literal syntax' is only available in ES6 (use 'esversion: 6'). |
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| } | ||
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| // In case `file` is a folder name, we check if there is an | ||
| // index file in the folder | ||
| const indexPath = `${file}/index${ext}`; | ||
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There was a problem hiding this comment. 'const' is available in ES6 (use 'esversion: 6') or Mozilla JS extensions (use moz). |
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| if (isFile(indexPath)) { | ||
| return indexPath; | ||
| } | ||
| } | ||
| } catch (err) { | ||
| // noop | ||
| } | ||
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| return null; | ||
| } | ||
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| module.exports = function extensions({ extensions }) { | ||
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There was a problem hiding this comment. 'destructuring binding' is available in ES6 (use 'esversion: 6') or Mozilla JS extensions (use moz). |
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| if (!extensions || !extensions.length) { | ||
| throw new Error( | ||
| `Must specify { extensions: [..] } as non-empty array!` | ||
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There was a problem hiding this comment. 'template literal syntax' is only available in ES6 (use 'esversion: 6'). |
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| ); | ||
| } | ||
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| return { | ||
| name: "extensions", | ||
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| resolveId(importee, importer) { | ||
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There was a problem hiding this comment. 'concise methods' is available in ES6 (use 'esversion: 6') or Mozilla JS extensions (use moz). |
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| // absolute paths are left untouched | ||
| if (isAbsolute(importee)) { | ||
| return addExtensionIfNecessary(resolve(importee), extensions); | ||
| } | ||
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| // if this is the entry point, resolve against cwd | ||
| if (importer === undefined) { | ||
| return addExtensionIfNecessary( | ||
| resolve(process.cwd(), importee), | ||
| extensions | ||
| ); | ||
| } | ||
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| // external modules are skipped at this stage | ||
| if (importee[0] !== ".") return null; | ||
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| return addExtensionIfNecessary( | ||
| resolve(dirname(importer), importee), | ||
| extensions | ||
| ); | ||
| } | ||
| }; | ||
| }; | ||
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'const' is available in ES6 (use 'esversion: 6') or Mozilla JS extensions (use moz).
'destructuring binding' is available in ES6 (use 'esversion: 6') or Mozilla JS extensions (use moz).