evaluatedModules.ts — vite Source File

Source Code

import { cleanUrl, isWindows, slash, unwrapId } from '../shared/utils'
import { SOURCEMAPPING_URL } from '../shared/constants'
import { decodeBase64 } from './utils'
import { DecodedMap } from './sourcemap/decoder'
import type { ResolvedResult } from './types'

const MODULE_RUNNER_SOURCEMAPPING_REGEXP = new RegExp(
  `//# ${SOURCEMAPPING_URL}=data:application/json;base64,(.+)`,
)

export class EvaluatedModuleNode {
  public importers: Set<string> = new Set()
  public imports: Set<string> = new Set()
  public evaluated = false
  public meta: ResolvedResult | undefined
  public promise: Promise<any> | undefined
  public exports: any | undefined
  public file: string
  public map: DecodedMap | undefined

  constructor(
    public id: string,
    public url: string,
  ) {
    this.file = cleanUrl(id)
  }
}

export class EvaluatedModules {
  public readonly idToModuleMap: Map<string, EvaluatedModuleNode> = new Map()
  public readonly fileToModulesMap: Map<string, Set<EvaluatedModuleNode>> =
    new Map()
  public readonly urlToIdModuleMap: Map<string, EvaluatedModuleNode> = new Map()

  /**
   * Returns the module node by the resolved module ID. Usually, module ID is
   * the file system path with query and/or hash. It can also be a virtual module.
   *
   * Module runner graph will have 1 to 1 mapping with the server module graph.
   * @param id Resolved module ID
   */
  public getModuleById(id: string): EvaluatedModuleNode | undefined {
    return this.idToModuleMap.get(id)
  }

  /**
   * Returns all modules related to the file system path. Different modules
   * might have different query parameters or hash, so it's possible to have
   * multiple modules for the same file.
   * @param file The file system path of the module
   */
  public getModulesByFile(file: string): Set<EvaluatedModuleNode> | undefined {
    return this.fileToModulesMap.get(file)
  }

  /**
   * Returns the module node by the URL that was used in the import statement.
   * Unlike module graph on the server, the URL is not resolved and is used as is.
   * @param url Server URL that was used in the import statement
   */
// ... (99 more lines)