35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
import { Compiler, Plugin } from 'webpack'
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export class SharedRuntimePlugin implements Plugin {
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apply(compiler: Compiler) {
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const installedModules = [
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'// The module cache',
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'var installedModules = {};',
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].join('\n')
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const nextInstalledModules = [
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'// The Next.js shared module cache',
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'var installedModules = window.__next_installed_modules__ || (window.__next_installed_modules__ = {});',
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].join('\n')
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compiler.hooks.compilation.tap('SharedRuntimePlugin', compilation => {
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;(compilation.mainTemplate as any).hooks.localVars.intercept({
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register: (tapInfo: any) => {
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if (!(tapInfo.name === 'MainTemplate' && tapInfo.type === 'sync')) {
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return tapInfo
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}
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const { fn } = tapInfo
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return {
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...tapInfo,
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fn: function() {
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const ret = fn.apply(this, arguments)
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return typeof ret === 'string'
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? ret.replace(installedModules, nextInstalledModules)
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: ret
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},
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}
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},
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})
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})
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}
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}
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