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feat(prerender): add buildId, hydrate externals, DOMContentLoaded
- Fire DOMContentLoaded events when prerendering done - Add data-stencil-static id to prerendered `<html>` - Collect page.state data into build results - Add "externals" option for modules to exclude from hydrate bundle
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,85 +1,22 @@ | ||
| import type * as d from '../../declarations'; | ||
| import { catchError, loadTypeScriptDiagnostics } from '@utils'; | ||
| import { IS_NODE_ENV, requireFunc } from '../sys/environment'; | ||
| import { resolve } from 'path'; | ||
| import ts from 'typescript'; | ||
| import { isString } from '@utils'; | ||
| import { nodeRequire } from '../sys/node-require'; | ||
|
|
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| export const getPrerenderConfig = (diagnostics: d.Diagnostic[], prerenderConfigPath: string) => { | ||
| const prerenderConfig: d.PrerenderConfig = {}; | ||
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|
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| if (typeof prerenderConfigPath === 'string') { | ||
| if (IS_NODE_ENV) { | ||
| const userPrerenderConfig = nodeRequireTsConfig(diagnostics, prerenderConfigPath); | ||
| if (userPrerenderConfig) { | ||
| Object.assign(prerenderConfig, userPrerenderConfig); | ||
| } | ||
| } | ||
| } | ||
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|
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| return prerenderConfig; | ||
| }; | ||
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| const nodeRequireTsConfig = (diagnostics: d.Diagnostic[], prerenderConfigPath: string) => { | ||
| let prerenderConfig: d.PrerenderConfig = {}; | ||
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| try { | ||
| const fs: typeof import('fs') = requireFunc('fs'); | ||
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| // ensure we cleared out node's internal require() cache for this file | ||
| delete require.cache[resolve(prerenderConfigPath)]; | ||
| if (isString(prerenderConfigPath)) { | ||
| const results = nodeRequire(prerenderConfigPath); | ||
| diagnostics.push(...results.diagnostics); | ||
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| // let's override node's require for a second | ||
| // don't worry, we'll revert this when we're done | ||
| require.extensions['.ts'] = (module: NodeModuleWithCompile, fileName: string) => { | ||
| let sourceText = fs.readFileSync(fileName, 'utf8'); | ||
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| if (prerenderConfigPath.endsWith('.ts')) { | ||
| // looks like we've got a typed config file | ||
| // let's transpile it to .js quick | ||
| // const ts = require('typescript'); | ||
| const tsResults = ts.transpileModule(sourceText, { | ||
| fileName, | ||
| compilerOptions: { | ||
| module: ts.ModuleKind.CommonJS, | ||
| moduleResolution: ts.ModuleResolutionKind.NodeJs, | ||
| esModuleInterop: true, | ||
| target: ts.ScriptTarget.ES2017, | ||
| allowJs: true, | ||
| }, | ||
| }); | ||
| sourceText = tsResults.outputText; | ||
|
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| if (tsResults.diagnostics.length > 0) { | ||
| diagnostics.push(...loadTypeScriptDiagnostics(tsResults.diagnostics)); | ||
| } | ||
| } else { | ||
| // quick hack to turn a modern es module | ||
| // into and old school commonjs module | ||
| sourceText = sourceText.replace(/export\s+\w+\s+(\w+)/gm, 'exports.$1'); | ||
| } | ||
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| module._compile(sourceText, fileName); | ||
| }; | ||
|
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| // let's do this! | ||
| const m = requireFunc(prerenderConfigPath); | ||
| if (m != null && typeof m === 'object') { | ||
| if (m.config != null && typeof m.config === 'object') { | ||
| prerenderConfig = m.config; | ||
| if (results.module != null && typeof results.module === 'object') { | ||
| if (results.module.config != null && typeof results.module.config === 'object') { | ||
| Object.assign(prerenderConfig, results.module.config); | ||
| } else { | ||
| prerenderConfig = m; | ||
| Object.assign(prerenderConfig, results.module); | ||
| } | ||
| } | ||
| } catch (e) { | ||
| catchError(diagnostics, e); | ||
| } | ||
|
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| // all set, let's go ahead and reset the require back to the default | ||
| require.extensions['.ts'] = undefined; | ||
|
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| return prerenderConfig; | ||
| }; | ||
|
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| interface NodeModuleWithCompile extends NodeModule { | ||
| _compile(code: string, filename: string): any; | ||
| } |
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