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backport #1855 addon-dev: incremental updates to output
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| import walkSync from 'walk-sync'; | ||
| import { rmSync } from 'fs'; | ||
| import { join } from 'path'; | ||
| import type { Plugin } from 'rollup'; | ||
| import { existsSync } from 'fs-extra'; | ||
|
|
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| export default function incremental(): Plugin { | ||
| const generatedAssets = new Map(); | ||
| const generatedFiles = new Set<string>(); | ||
|
|
||
| function isEqual(v1: string | Uint8Array, v2: string | Uint8Array): boolean { | ||
| if (typeof v1 === 'string' && typeof v2 === 'string') { | ||
| return v1 === v2; | ||
| } | ||
| if (Buffer.isBuffer(v1) && Buffer.isBuffer(v2)) { | ||
| return v1.equals(v2); | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| let firstTime = true; | ||
|
|
||
| function initGeneratedFiles(outDir: string) { | ||
| if (existsSync(outDir)) { | ||
| const files = walkSync(outDir, { | ||
| globs: ['*/**'], | ||
| directories: false, | ||
| }); | ||
| for (const file of files) { | ||
| generatedFiles.add(file); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function deleteRemovedFiles(bundle: Record<string, any>, outDir: string) { | ||
| for (const file of generatedFiles) { | ||
| if (!bundle[file]) { | ||
| generatedAssets.delete(file); | ||
| rmSync(join(outDir, file)); | ||
| } | ||
| } | ||
| generatedFiles.clear(); | ||
| for (const file of Object.keys(bundle)) { | ||
| generatedFiles.add(file); | ||
| } | ||
| } | ||
|
|
||
| function syncFiles(bundle: Record<string, any>) { | ||
| for (const checkKey of Object.keys(bundle)) { | ||
| if (bundle[checkKey]) { | ||
| let module = bundle[checkKey] as any; | ||
| let code = module.source || module.code; | ||
| if ( | ||
| generatedAssets.has(checkKey) && | ||
| isEqual(code, generatedAssets.get(checkKey)) | ||
| ) { | ||
| delete bundle[checkKey]; | ||
| } else { | ||
| generatedAssets.set(checkKey, code); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return { | ||
| name: 'incremental', | ||
| generateBundle(options, bundle) { | ||
| if (firstTime) { | ||
| firstTime = false; | ||
| initGeneratedFiles(options.dir!); | ||
| } | ||
| if (existsSync(options.dir!)) { | ||
| deleteRemovedFiles(bundle, options.dir!); | ||
| } | ||
|
|
||
| syncFiles(bundle); | ||
| }, | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| import { existsSync } from 'fs-extra'; | ||
| import { cleanUrl } from './paths'; | ||
| import { sep } from 'path'; | ||
|
|
||
| export function syntheticJStoHBS(source: string): string | null { | ||
| // explicit js is the only case we care about here. Synthetic template JS is | ||
| // only ever JS (never TS or anything else). And extensionless imports are | ||
| // handled by the default resolving system doing extension search. | ||
| if (cleanUrl(source).endsWith('.js')) { | ||
| return source.replace(/.js(\?.*)?/, '.hbs$1'); | ||
| } | ||
|
|
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| return null; | ||
| } | ||
|
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| export function needsSyntheticComponentJS(requestedSpecifier: string, foundFile: string): string | null { | ||
| requestedSpecifier = cleanUrl(requestedSpecifier); | ||
| foundFile = cleanUrl(foundFile); | ||
| if ( | ||
| discoveredImplicitHBS(requestedSpecifier, foundFile) && | ||
| !foundFile.split(sep).join('/').endsWith('/template.hbs') && | ||
| !correspondingJSExists(foundFile) | ||
| ) { | ||
| return foundFile.slice(0, -3) + 'js'; | ||
| } | ||
| return null; | ||
| } | ||
|
|
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| function discoveredImplicitHBS(source: string, id: string): boolean { | ||
| return !source.endsWith('.hbs') && id.endsWith('.hbs'); | ||
| } | ||
|
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| function correspondingJSExists(id: string): boolean { | ||
| return ['js', 'ts'].some(ext => existsSync(id.slice(0, -3) + ext)); | ||
| } | ||
|
|
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| export function templateOnlyComponentSource() { | ||
| return `import templateOnly from '@ember/component/template-only';\nexport default templateOnly();\n`; | ||
| } |
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