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original.js
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original.js
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"use strict"
import produce, {original, setUseProxies, enableAllPlugins} from "../src/immer"
enableAllPlugins()
const isProd = process.env.NODE_ENV === "production"
describe("original", () => {
const baseState = {
a: [],
b: {}
}
it("should return the original from the draft", () => {
setUseProxies(true)
produce(baseState, draftState => {
expect(original(draftState)).toBe(baseState)
expect(original(draftState.a)).toBe(baseState.a)
expect(original(draftState.b)).toBe(baseState.b)
})
setUseProxies(false)
produce(baseState, draftState => {
expect(original(draftState)).toBe(baseState)
expect(original(draftState.a)).toBe(baseState.a)
expect(original(draftState.b)).toBe(baseState.b)
})
})
it("should return the original from the proxy", () => {
produce(baseState, draftState => {
expect(original(draftState)).toBe(baseState)
expect(original(draftState.a)).toBe(baseState.a)
expect(original(draftState.b)).toBe(baseState.b)
})
})
it("should throw undefined for new values on the draft", () => {
produce(baseState, draftState => {
draftState.c = {}
draftState.d = 3
expect(() => original(draftState.c)).toThrowErrorMatchingInlineSnapshot(
isProd
? `"[Immer] minified error nr: 23 '[object Object]'. Find the full error at: https://bit.ly/3cXEKWf"`
: `"[Immer] 'original' expects a draft, got: [object Object]"`
)
expect(() => original(draftState.d)).toThrowErrorMatchingInlineSnapshot(
isProd
? `"[Immer] minified error nr: 23 '3'. Find the full error at: https://bit.ly/3cXEKWf"`
: `"[Immer] 'original' expects a draft, got: 3"`
)
})
})
it("should return undefined for an object that is not proxied", () => {
expect(() => original({})).toThrowErrorMatchingInlineSnapshot(
isProd
? `"[Immer] minified error nr: 23 '[object Object]'. Find the full error at: https://bit.ly/3cXEKWf"`
: `"[Immer] 'original' expects a draft, got: [object Object]"`
)
expect(() => original(3)).toThrowErrorMatchingInlineSnapshot(
isProd
? `"[Immer] minified error nr: 23 '3'. Find the full error at: https://bit.ly/3cXEKWf"`
: `"[Immer] 'original' expects a draft, got: 3"`
)
})
})