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Add ability to extend babel and rollup
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -4,4 +4,5 @@ node_modules | |
| .rts2_cache_cjs | ||
| .rts2_cache_esm | ||
| .rts2_cache_umd | ||
| dist | ||
| dist | ||
| tester | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| import { createConfigItem } from '@babel/core'; | ||
| import babelPlugin from 'rollup-plugin-babel'; | ||
| import merge from 'lodash.merge'; | ||
|
|
||
| export const isTruthy = (obj?: any) => { | ||
| if (!obj) { | ||
| return false; | ||
| } | ||
|
|
||
| return obj.constructor !== Object || Object.keys(obj).length > 0; | ||
| }; | ||
|
|
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| const replacements = [{ original: 'lodash', replacement: 'lodash-es' }]; | ||
|
|
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| export const mergeConfigItems = (type: any, ...configItemsToMerge: any[]) => { | ||
| const mergedItems: any[] = []; | ||
|
|
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| configItemsToMerge.forEach(configItemToMerge => { | ||
| configItemToMerge.forEach((item: any) => { | ||
| const itemToMergeWithIndex = mergedItems.findIndex( | ||
| mergedItem => mergedItem.file.resolved === item.file.resolved | ||
| ); | ||
|
|
||
| if (itemToMergeWithIndex === -1) { | ||
| mergedItems.push(item); | ||
| return; | ||
| } | ||
|
|
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| mergedItems[itemToMergeWithIndex] = createConfigItem( | ||
| [ | ||
| mergedItems[itemToMergeWithIndex].file.resolved, | ||
| merge(mergedItems[itemToMergeWithIndex].options, item.options), | ||
| ], | ||
| { | ||
| type, | ||
| } | ||
| ); | ||
| }); | ||
| }); | ||
|
|
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| return mergedItems; | ||
| }; | ||
|
|
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| export const createConfigItems = (type: any, items: any[]) => { | ||
| return items.map(({ name, ...options }) => { | ||
| return createConfigItem([require.resolve(name), options], { type }); | ||
| }); | ||
| }; | ||
|
|
||
| export const babelPluginTsdx = babelPlugin.custom((babelCore: any) => ({ | ||
| // Passed the plugin options. | ||
| options({ custom: customOptions, ...pluginOptions }: any) { | ||
| return { | ||
| // Pull out any custom options that the plugin might have. | ||
| customOptions, | ||
|
|
||
| // Pass the options back with the two custom options removed. | ||
| pluginOptions, | ||
| }; | ||
| }, | ||
| config(config: any, { customOptions }: any) { | ||
| const defaultPlugins = createConfigItems( | ||
| 'plugin', | ||
| [ | ||
| // { | ||
| // name: '@babel/plugin-transform-react-jsx', | ||
| // pragma: customOptions.jsx || 'h', | ||
| // pragmaFrag: customOptions.jsxFragment || 'Fragment', | ||
| // }, | ||
| { name: 'babel-plugin-annotate-pure-calls' }, | ||
| { name: 'babel-plugin-dev-expression' }, | ||
| { | ||
| name: 'babel-plugin-transform-rename-import', | ||
| replacements, | ||
| }, | ||
| isTruthy(customOptions.defines) && { | ||
| name: 'babel-plugin-transform-replace-expressions', | ||
| replace: customOptions.defines, | ||
| }, | ||
| { | ||
| name: 'babel-plugin-transform-async-to-promises', | ||
| inlineHelpers: true, | ||
| externalHelpers: true, | ||
| }, | ||
| { | ||
| name: '@babel/plugin-proposal-class-properties', | ||
| loose: true, | ||
| }, | ||
| { | ||
| name: '@babel/plugin-transform-regenerator', | ||
| async: false, | ||
| }, | ||
| { | ||
| name: 'babel-plugin-macros', | ||
| }, | ||
| isTruthy(customOptions.extractErrors) && { | ||
| name: './errors/transformErrorMessages', | ||
| }, | ||
| ].filter(Boolean) | ||
| ); | ||
|
|
||
| const babelOptions = config.options || {}; | ||
|
|
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| const envIdx = (babelOptions.presets || []).findIndex((preset: any) => | ||
| preset.file.request.includes('@babel/preset-env') | ||
| ); | ||
|
|
||
| if (envIdx !== -1) { | ||
| const preset = babelOptions.presets[envIdx]; | ||
| babelOptions.presets[envIdx] = createConfigItem( | ||
| [ | ||
| preset.file.resolved, | ||
| merge( | ||
| { | ||
| loose: true, | ||
| targets: customOptions.targets, | ||
| }, | ||
| preset.options, | ||
| { | ||
| modules: false, | ||
| exclude: merge( | ||
| ['transform-async-to-generator', 'transform-regenerator'], | ||
| preset.options.exclude || [] | ||
| ), | ||
| } | ||
| ), | ||
| ], | ||
| { | ||
| type: `preset`, | ||
| } | ||
| ); | ||
| } else { | ||
| babelOptions.presets = createConfigItems('preset', [ | ||
| { | ||
| name: '@babel/preset-env', | ||
| targets: customOptions.targets, | ||
| modules: false, | ||
| loose: true, | ||
| exclude: ['transform-async-to-generator', 'transform-regenerator'], | ||
| }, | ||
| ]); | ||
| } | ||
|
|
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| // Merge babelrc & our plugins together | ||
| babelOptions.plugins = mergeConfigItems( | ||
| 'plugin', | ||
| defaultPlugins, | ||
| babelOptions.plugins || [] | ||
| ); | ||
|
|
||
| return babelOptions; | ||
| }, | ||
| })); |
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