Julien Valverdé
73 lines
2.7 KiB
TypeScript
73 lines
2.7 KiB
TypeScript
import type * as Component from "effect-fc-next/Component"
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import * as Refreshable from "effect-fc-next/Refreshable"
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import { describe, expect, it, vi } from "vitest"
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import { accept, register } from "../src/runtime.js"
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describe("refresh runtime", () => {
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const component = <A extends object>(value: A): A & Component.Component.Any =>
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value as A & Component.Component.Any
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it("retains a cell and notifies subscribers for compatible updates", async () => {
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const hot = {
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data: {},
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accept: vi.fn(),
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invalidate: vi.fn(),
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}
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const first = register(component({ body: "first" }), hot, "module:View", "hooks")
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const cell = (first as Record<PropertyKey, unknown>)[Refreshable.RefreshableTypeId] as Refreshable.Cell
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const listener = vi.fn()
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cell.subscribe(listener)
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const second = register(component({ body: "second" }), hot, "module:View", "hooks")
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const secondCell = (second as Record<PropertyKey, unknown>)[Refreshable.RefreshableTypeId]
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expect(secondCell).toBe(cell)
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expect(cell.current).toBe(second)
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expect(cell.snapshot).toEqual({
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revision: 1,
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resetRevision: 0,
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})
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await Promise.resolve()
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expect(listener).toHaveBeenCalledTimes(1)
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})
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it("increments resetRevision for incompatible and forced updates", () => {
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const hot = {
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data: {},
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accept: vi.fn(),
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invalidate: vi.fn(),
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}
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const first = register(component({}), hot, "module:View", "one")
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const cell = (first as Record<PropertyKey, unknown>)[Refreshable.RefreshableTypeId] as Refreshable.Cell
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register(component({}), hot, "module:View", "two")
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expect(cell.snapshot.resetRevision).toBe(1)
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register(component({}), hot, "module:View", "two", true)
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expect(cell.snapshot.resetRevision).toBe(2)
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})
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it("is inert outside a Vite hot context", () => {
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const descriptor = component({})
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expect(register(descriptor, undefined, "module:View", "hooks")).toBe(descriptor)
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expect((descriptor as Record<PropertyKey, unknown>)[Refreshable.RefreshableTypeId]).toBeUndefined()
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})
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it("invalidates when the module's View IDs change", () => {
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const hot = {
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data: {},
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accept: vi.fn(),
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invalidate: vi.fn(),
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}
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accept(hot, ["module:First"])
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expect(hot.accept).toHaveBeenCalledTimes(1)
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expect(hot.invalidate).not.toHaveBeenCalled()
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accept(hot, ["module:Second"])
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expect(hot.invalidate).toHaveBeenCalledWith("[effect-view] Effect View exports changed")
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})
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})
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