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worker.ts — vite Source File

Architecture documentation for worker.ts, a typescript file in the vite codebase. 31 imports, 5 dependents.

File typescript PluginSystem LegacySupport 31 imports 5 dependents 5 functions 1 classes

Entity Profile

Dependency Diagram

graph LR
  971bf58d_477c_c4d8_0c3b_735e572044c4["worker.ts"]
  7da774f9_eca5_d54e_6e01_6bee7d460a2b["config.ts"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 7da774f9_eca5_d54e_6e01_6bee7d460a2b
  eb5604c2_58e1_1c00_5a1a_5d97ea5236ad["ResolvedConfig"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> eb5604c2_58e1_1c00_5a1a_5d97ea5236ad
  5abb8c87_ffcb_f2d4_7421_e36705d9e5c7["plugin.ts"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 5abb8c87_ffcb_f2d4_7421_e36705d9e5c7
  dfa3f5a8_b519_cb65_4b7e_9d4824406fd4["perEnvironmentPlugin"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> dfa3f5a8_b519_cb65_4b7e_9d4824406fd4
  545df65b_7f67_94d3_e2e8_a592d5e64b8f["constants.ts"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 545df65b_7f67_94d3_e2e8_a592d5e64b8f
  031bc221_67a8_c579_f2bf_bb30a08beeb2["utils.ts"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 031bc221_67a8_c579_f2bf_bb30a08beeb2
  41d0f7a0_ed36_9f0f_d0d6_f403e4f50763["encodeURIPath"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 41d0f7a0_ed36_9f0f_d0d6_f403e4f50763
  9d025481_71dc_8fbb_c07e_b6e74a08a45a["getHash"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 9d025481_71dc_8fbb_c07e_b6e74a08a45a
  1948f092_e5a5_076b_2f59_79ef22dec191["injectQuery"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 1948f092_e5a5_076b_2f59_79ef22dec191
  a4adb1a7_cf54_091f_eb63_8217e684a8e1["normalizePath"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> a4adb1a7_cf54_091f_eb63_8217e684a8e1
  0850ad90_f980_60a3_ab1f_b17433109b74["prettifyUrl"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 0850ad90_f980_60a3_ab1f_b17433109b74
  45981d85_cbdd_e969_8c88_c17072ea0eda["build.ts"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 45981d85_cbdd_e969_8c88_c17072ea0eda
  8a1be4dc_fab4_3c44_dfe9_6115f2fdf4e8["BuildEnvironment"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 8a1be4dc_fab4_3c44_dfe9_6115f2fdf4e8
  5f248dff_9bc5_81c9_2fb1_99ac1026a9ef["ChunkMetadataMap"]
  971bf58d_477c_c4d8_0c3b_735e572044c4 --> 5f248dff_9bc5_81c9_2fb1_99ac1026a9ef
  style 971bf58d_477c_c4d8_0c3b_735e572044c4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

import path from 'node:path'
import MagicString from 'magic-string'
import type { RolldownOutput, RollupError } from 'rolldown'
import colors from 'picocolors'
import { type ImportSpecifier, init, parse } from 'es-module-lexer'
import { viteWebWorkerPostPlugin as nativeWebWorkerPostPlugin } from 'rolldown/experimental'
import type { ResolvedConfig } from '../config'
import { type Plugin, perEnvironmentPlugin } from '../plugin'
import { ENV_ENTRY, ENV_PUBLIC_PATH } from '../constants'
import {
  encodeURIPath,
  getHash,
  injectQuery,
  normalizePath,
  prettifyUrl,
  urlRE,
} from '../utils'
import {
  BuildEnvironment,
  ChunkMetadataMap,
  createToImportMetaURLBasedRelativeRuntime,
  injectEnvironmentToHooks,
  onRollupLog,
  toOutputFilePathInJS,
} from '../build'
import { cleanUrl } from '../../shared/utils'
import type { Logger } from '../logger'
import { fileToUrl, toOutputFilePathInJSForBundledDev } from './asset'

type WorkerBundle = {
  entryFilename: string
  entryCode: string
  entryUrlPlaceholder: string
  referencedAssets: Set<string>
  watchedFiles: string[]
}

type WorkerBundleAsset = {
  fileName: string
  /** @deprecated */
  originalFileName: string | null
  originalFileNames: string[]
  source: string | Uint8Array
}

class WorkerOutputCache {
  /**
   * worker bundle information for each input id
   * used to bundle the same worker file only once
   */
  private bundles = new Map</* inputId */ string, WorkerBundle>()
  /** list of assets emitted for the worker bundles */
  private assets = new Map<string, WorkerBundleAsset>()
  private fileNameHash = new Map<
    /* hash */ string,
    /* entryFilename */ string
  >()
  private invalidatedBundles = new Set</* inputId */ string>()

  saveWorkerBundle(
// ... (611 more lines)

Domain

Subdomains

Functions

Classes

Types

Dependencies

Imported By

Source

Frequently Asked Questions

What does worker.ts do?
worker.ts is a source file in the vite codebase, written in typescript. It belongs to the PluginSystem domain, LegacySupport subdomain.
What functions are defined in worker.ts?
worker.ts defines 5 function(s): bundleWorkerEntry, isSameContent, webWorkerPlugin, webWorkerPostPlugin, workerFileToUrl.
What does worker.ts depend on?
worker.ts imports 31 module(s): BuildEnvironment, ChunkMetadataMap, Logger, ResolvedConfig, asset.ts, build.ts, cleanUrl, config.ts, and 23 more.
What files import worker.ts?
worker.ts is imported by 5 file(s): build.ts, dynamicImportVars.ts, importAnalysis.ts, index.ts, workerImportMetaUrl.ts.
Where is worker.ts in the architecture?
worker.ts is located at packages/vite/src/node/plugins/worker.ts (domain: PluginSystem, subdomain: LegacySupport, directory: packages/vite/src/node/plugins).

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