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feat: add moduleFederation option #938

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feat: add moduleFederation option #938

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6c24c14
feat: add new moduleFederation option
brunos3d Dec 15, 2022
bf7dda7
feat: add check to verify if process.isBrowser is defined as false
brunos3d Dec 20, 2022
f1b058c
feat: add warnings to avoid misconfiguration
brunos3d Dec 20, 2022
c6939b8
feat: update warning messages
brunos3d Dec 20, 2022
ae04c10
feat: use DefinePlugin to declare isBrowser at process
brunos3d Dec 22, 2022
be7f129
feat: update warning messages
brunos3d Dec 22, 2022
14cd316
feat: remove unecessary warning
brunos3d Dec 22, 2022
50d8406
feat: use unified option structure
brunos3d Dec 22, 2022
66e6786
fix: solve boolean logic error
brunos3d Dec 22, 2022
90ced6f
fix: force injection of serverSideModuleFederation option
brunos3d Dec 23, 2022
36158cc
fix: remove unused variable
brunos3d Dec 23, 2022
3f582c9
fix: remove wrong condition and error
brunos3d Dec 28, 2022
3b2c37d
feat: move serverSideFederation option to process.env
brunos3d Dec 30, 2022
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6 changes: 4 additions & 2 deletions packages/babel-plugin/src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,9 @@ const properties = [

const LOADABLE_COMMENT = '#__LOADABLE__'

const loadablePlugin = declare((api, { defaultImportSpecifier = 'loadable' }) => {
const loadablePlugin = declare((api, babelOptions) => {
const { defaultImportSpecifier = 'loadable' } = babelOptions

const { types: t } = api

function collectImportCallPaths(startPath) {
Expand All @@ -33,7 +35,7 @@ const loadablePlugin = declare((api, { defaultImportSpecifier = 'loadable' }) =>
return imports
}

const propertyFactories = properties.map(init => init(api))
const propertyFactories = properties.map(init => init(api, babelOptions))

function isValidIdentifier(path, loadableImportSpecifier, lazyImportSpecifier) {
// `loadable()`
Expand Down
38 changes: 28 additions & 10 deletions packages/babel-plugin/src/properties/resolve.js
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Original file line number Diff line number Diff line change
@@ -1,13 +1,24 @@
import { getImportArg } from '../util'

export default function resolveProperty({ types: t, template }) {
const buildStatements = template`
if (require.resolveWeak) {
return require.resolveWeak(ID)
}

return eval('require.resolve')(ID)
`
const templates = {
federated: template`
require(ID)

if (require.resolveWeak) {
return require.resolveWeak(ID)
}

return eval('require.resolve')(ID)
`,
standard: template`
if (require.resolveWeak) {
return require.resolveWeak(ID)
}

return eval('require.resolve')(ID)
`,
}

function getCallValue(callPath) {
const importArg = getImportArg(callPath)
Expand All @@ -27,11 +38,18 @@ export default function resolveProperty({ types: t, template }) {
return t.stringLiteral(importArg.node.value)
}

return ({ callPath, funcPath }) =>
t.objectMethod(
return ({ callPath, funcPath }) => {
const targetTemplate = process.serverSideModuleFederation
? 'federated'
: 'standard'

return t.objectMethod(
'method',
t.identifier('resolve'),
funcPath.node.params,
t.blockStatement(buildStatements({ ID: getCallValue(callPath) })),
t.blockStatement(
templates[targetTemplate]({ ID: getCallValue(callPath) }),
),
)
}
}
27 changes: 26 additions & 1 deletion packages/webpack-plugin/src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,16 @@ class LoadablePlugin {
writeToDisk,
outputAsset = true,
chunkLoadingGlobal = '__LOADABLE_LOADED_CHUNKS__',
serverSideModuleFederation = false,
} = {}) {
this.opts = { filename, writeToDisk, outputAsset, path, chunkLoadingGlobal }
this.opts = {
filename,
writeToDisk,
outputAsset,
path,
chunkLoadingGlobal,
serverSideModuleFederation,
}

// The Webpack compiler instance
this.compiler = null
Expand Down Expand Up @@ -101,6 +109,23 @@ class LoadablePlugin {
apply(compiler) {
this.compiler = compiler

if (
this.opts.serverSideModuleFederation === true &&
(compiler.options.target === 'web' ||
compiler.options.target === undefined)
) {
throw new Error(
`Enabling server-side module federation support for a client-side Webpack target (${compiler.options.target}) is unnecessary and will effectively disable all code-splitting.`,
)
}

if (this.opts.serverSideModuleFederation) {
Object.defineProperty(process, 'serverSideModuleFederation', {
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👍 that's a fancy way to "teleport" settings.
However, the particular way you did it will break some assumptions of node creating a hard to understand "gap" for a few (rare) users of thread-loader or similar stuff.

Ease to fix. Just store what is required in process.env - a special place designed for this.

value: true,
writable: false,
})
}

const version = 'jsonpFunction' in compiler.options.output ? 4 : 5

// Add a custom chunk loading callback
Expand Down