constructor() — vite Function Reference

Architecture documentation for the constructor() function in mixedModuleGraph.ts from the vite codebase.

Function typescript ViteCore ConfigEngine calls 4 called by 1

Entity Profile

ViteCore→ ConfigEngine→ constructor() — vite Function Reference

Dependency Diagram

graph TD
  3acdf189_b419_0a41_c750_a3225ac83e3d["constructor()"]
  c1a5c030_6aae_0cbb_cc67_256559724512["ModuleGraph"]
  3acdf189_b419_0a41_c750_a3225ac83e3d -->|defined in| c1a5c030_6aae_0cbb_cc67_256559724512
  9a9dc712_60c4_c65b_885b_6bcb790c15f2["constructor()"]
  9a9dc712_60c4_c65b_885b_6bcb790c15f2 -->|calls| 3acdf189_b419_0a41_c750_a3225ac83e3d
  9a9dc712_60c4_c65b_885b_6bcb790c15f2["constructor()"]
  3acdf189_b419_0a41_c750_a3225ac83e3d -->|calls| 9a9dc712_60c4_c65b_885b_6bcb790c15f2
  57bd050c_f162_f6af_9491_3a9b3bcd5ca2["set()"]
  3acdf189_b419_0a41_c750_a3225ac83e3d -->|calls| 57bd050c_f162_f6af_9491_3a9b3bcd5ca2
  88fceafc_7ebe_4d67_4956_00f98b9b651d["createBackwardCompatibleModuleMap()"]
  3acdf189_b419_0a41_c750_a3225ac83e3d -->|calls| 88fceafc_7ebe_4d67_4956_00f98b9b651d
  f69e7359_4c92_c290_7870_d78b5ebc9060["createBackwardCompatibleFileToModulesMap()"]
  3acdf189_b419_0a41_c750_a3225ac83e3d -->|calls| f69e7359_4c92_c290_7870_d78b5ebc9060
  style 3acdf189_b419_0a41_c750_a3225ac83e3d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/node/server/mixedModuleGraph.ts lines 277–315

  constructor(moduleGraphs: {
    client: () => EnvironmentModuleGraph
    ssr: () => EnvironmentModuleGraph
  }) {
    this._moduleGraphs = moduleGraphs

    const getModuleMapUnion =
      (prop: 'urlToModuleMap' | 'idToModuleMap') => () => {
        // A good approximation to the previous logic that returned the union of
        // the importedModules and importers from both the browser and server
        if (this._ssr[prop].size === 0) {
          return this._client[prop]
        }
        const map = new Map(this._client[prop])
        for (const [key, module] of this._ssr[prop]) {
          if (!map.has(key)) {
            map.set(key, module)
          }
        }
        return map
      }

    this.urlToModuleMap = createBackwardCompatibleModuleMap(
      this,
      'urlToModuleMap',
      getModuleMapUnion('urlToModuleMap'),
    )
    this.idToModuleMap = createBackwardCompatibleModuleMap(
      this,
      'idToModuleMap',
      getModuleMapUnion('idToModuleMap'),
    )
    this.etagToModuleMap = createBackwardCompatibleModuleMap(
      this,
      'etagToModuleMap',
      () => this._client.etagToModuleMap,
    )
    this.fileToModulesMap = createBackwardCompatibleFileToModulesMap(this)
  }