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refactor: drop exessive use of
stats naming (#30)
* refactor: drop exessive use of `stats` naming * chore: resolve linting issues
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| import assert from 'assert'; | ||
| import fs from 'fs'; | ||
| import path from 'path'; | ||
|
|
||
| import type { PartialAtlasEntry, AtlasEntry, AtlasSource } from './types'; | ||
| import { name, version } from '../../package.json'; | ||
| import { env } from '../utils/env'; | ||
| import { AtlasValidationError } from '../utils/errors'; | ||
| import { appendJsonLine, forEachJsonLines, parseJsonLine } from '../utils/jsonl'; | ||
|
|
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| export type AtlasMetadata = { name: string; version: string }; | ||
|
|
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| export class AtlasFileSource implements AtlasSource { | ||
| constructor(public readonly filePath: string) { | ||
| // | ||
| } | ||
|
|
||
| listEntries() { | ||
| return listAtlasEntries(this.filePath); | ||
| } | ||
|
|
||
| getEntry(id: string) { | ||
| const numeric = parseInt(id, 10); | ||
| assert(!Number.isNaN(numeric) && numeric > 1, `Invalid entry ID: ${id}`); | ||
| return readAtlasEntry(this.filePath, Number(id)); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * List all entries without parsing the data. | ||
| * This only reads the bundle name, and adds a line number as ID. | ||
| */ | ||
| export async function listAtlasEntries(filePath: string) { | ||
| const bundlePattern = /^\["([^"]+)","([^"]+)","([^"]+)/; | ||
| const entries: PartialAtlasEntry[] = []; | ||
|
|
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| await forEachJsonLines(filePath, (contents, line) => { | ||
| // Skip the metadata line | ||
| if (line === 1) return; | ||
|
|
||
| const [_, platform, projectRoot, entryPoint] = contents.match(bundlePattern) ?? []; | ||
| if (platform && projectRoot && entryPoint) { | ||
| entries.push({ | ||
| id: String(line), | ||
| platform: platform as any, | ||
| projectRoot, | ||
| entryPoint, | ||
| }); | ||
| } | ||
| }); | ||
|
|
||
| return entries; | ||
| } | ||
|
|
||
| /** | ||
| * Get the entry by id or line number, and parse the data. | ||
| */ | ||
| export async function readAtlasEntry(filePath: string, id: number): Promise<AtlasEntry> { | ||
| const atlasEntry = await parseJsonLine<any[]>(filePath, id); | ||
| return { | ||
| id: String(id), | ||
| platform: atlasEntry[0], | ||
| projectRoot: atlasEntry[1], | ||
| entryPoint: atlasEntry[2], | ||
| runtimeModules: atlasEntry[3], | ||
| modules: new Map(atlasEntry[4].map((module) => [module.path, module])), | ||
| transformOptions: atlasEntry[5], | ||
| serializeOptions: atlasEntry[6], | ||
| }; | ||
| } | ||
|
|
||
| /** Simple promise to avoid mixing appended data */ | ||
| let writeQueue: Promise<any> = Promise.resolve(); | ||
|
|
||
| /** | ||
| * Add a new entry to the file. | ||
| * This is appended on a new line, so we can load the selectively. | ||
| */ | ||
| export function writeAtlasEntry(filePath: string, entry: AtlasEntry) { | ||
| const line = [ | ||
| entry.platform, | ||
| entry.projectRoot, | ||
| entry.entryPoint, | ||
| entry.runtimeModules, | ||
| Array.from(entry.modules.values()), | ||
| entry.transformOptions, | ||
| entry.serializeOptions, | ||
| ]; | ||
|
|
||
| return (writeQueue = writeQueue.then(() => appendJsonLine(filePath, line))); | ||
| } | ||
|
|
||
| /** The default location of the metro file */ | ||
| export function getAtlasPath(projectRoot: string) { | ||
| return path.join(projectRoot, '.expo/atlas.jsonl'); | ||
| } | ||
|
|
||
| /** The information to validate if a file is compatible with this library version */ | ||
| export function getAtlasMetdata(): AtlasMetadata { | ||
| return { name, version }; | ||
| } | ||
|
|
||
| /** Validate if the file is compatible with this library version */ | ||
| export async function validateAtlasFile(filePath: string, metadata = getAtlasMetdata()) { | ||
| if (!fs.existsSync(filePath)) { | ||
| throw new AtlasValidationError('ATLAS_FILE_NOT_FOUND', filePath); | ||
| } | ||
|
|
||
| if (env.EXPO_ATLAS_NO_VALIDATION) { | ||
| return; | ||
| } | ||
|
|
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| const data = await parseJsonLine(filePath, 1); | ||
|
|
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| if (data.name !== metadata.name || data.version !== metadata.version) { | ||
| throw new AtlasValidationError('ATLAS_FILE_INCOMPATIBLE', filePath, data.version); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Create or overwrite the file with basic metadata. | ||
| * This metdata is used by the API to determine version compatibility. | ||
| */ | ||
| export async function createAtlasFile(filePath: string) { | ||
| await fs.promises.mkdir(path.dirname(filePath), { recursive: true }); | ||
| await fs.promises.rm(filePath, { force: true }); | ||
| await appendJsonLine(filePath, getAtlasMetdata()); | ||
| } |
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