Method scheduleRerun

packages/vitest/src/node/core.ts:1371–1428

(triggerId: string)

  private _rerunTimer: any
  private async scheduleRerun(triggerId: string): Promise<void> {
    const currentCount = this.restartsCount
    clearTimeout(this._rerunTimer)
    await this.cancelPromise
    await this.runningPromise
    clearTimeout(this._rerunTimer)

    // server restarted
    if (this.restartsCount !== currentCount) {
      return
    }

    this._rerunTimer = setTimeout(async () => {
      if (this.watcher.changedTests.size === 0) {
        this.watcher.invalidates.clear()
        return
      }

      // server restarted
      if (this.restartsCount !== currentCount) {
        return
      }

      this.isFirstRun = false

      this.snapshot.clear()
      let files = Array.from(this.watcher.changedTests)

      if (this.filenamePattern) {
        const filteredFiles = await this.globTestSpecifications(this.filenamePattern)
        files = files.filter(file => filteredFiles.some(f => f.moduleId === file))

        // A file that does not match the current filename pattern was changed
        if (files.length === 0) {
          return
        }
      }

      this.watcher.changedTests.clear()

      const triggerLabel = relative(this.config.root, triggerId)
      // get file specifications and filter them if needed
      const specifications = files.flatMap(file => this.getModuleSpecifications(file)).filter((specification) => {
        if (this._onFilterWatchedSpecification.length === 0) {
          return true
        }
        return this._onFilterWatchedSpecification.every(fn => fn(specification))
      })
      await Promise.all([
        this.report('onWatcherRerun', files, triggerLabel),
        ...this._onUserTestsRerun.map(fn => fn(specifications)),
      ])

      await this.runFiles(specifications, false)

      await this.report('onWatcherStart', this.state.getFiles(files))
    }, WATCHER_DEBOUNCE)
  }