_ensureEntryFromUrl() — vite Function Reference

Source Code

packages/vite/src/node/server/moduleGraph.ts lines 343–389

  async _ensureEntryFromUrl(
    rawUrl: string,
    setIsSelfAccepting = true,
    // Optimization, avoid resolving the same url twice if the caller already did it
    resolved?: PartialResolvedId,
  ): Promise<EnvironmentModuleNode> {
    // Quick path, if we already have a module for this rawUrl (even without extension)
    rawUrl = removeImportQuery(removeTimestampQuery(rawUrl))
    let mod = this._getUnresolvedUrlToModule(rawUrl)
    if (mod) {
      return mod
    }
    const modPromise = (async () => {
      const [url, resolvedId, meta] = await this._resolveUrl(rawUrl, resolved)
      mod = this.idToModuleMap.get(resolvedId)
      if (!mod) {
        mod = new EnvironmentModuleNode(
          url,
          this.environment,
          setIsSelfAccepting,
        )
        if (meta) mod.meta = meta
        this.urlToModuleMap.set(url, mod)
        mod.id = resolvedId
        this.idToModuleMap.set(resolvedId, mod)
        const file = (mod.file = cleanUrl(resolvedId))
        let fileMappedModules = this.fileToModulesMap.get(file)
        if (!fileMappedModules) {
          fileMappedModules = new Set()
          this.fileToModulesMap.set(file, fileMappedModules)
        }
        fileMappedModules.add(mod)
      }
      // multiple urls can map to the same module and id, make sure we register
      // the url to the existing module in that case
      else if (!this.urlToModuleMap.has(url)) {
        this.urlToModuleMap.set(url, mod)
      }
      this._setUnresolvedUrlToModule(rawUrl, mod)
      return mod
    })()

    // Also register the clean url to the module, so that we can short-circuit
    // resolving the same url twice
    this._setUnresolvedUrlToModule(rawUrl, modPromise)
    return modPromise
  }