chore: Merge branch 'master' of github.com:immerjs/immer

.travis.yml

@@ -1,7 +1,7 @@
 language: node_js
 node_js:
-  - "10.18.1"
-  # - "node"
+  # - "10.18.1"
+  - "node"
 env:
   - NODE_ENV=TEST
 cache:
@@ -12,12 +12,13 @@ before_script:
   - yarn global add if-node-version
 script:
   - yarn build || travis_terminate 1
-  - if-node-version 10 || { yarn test && travis_terminate 0; }
-  - yarn coveralls
+  - yarn test || travis_terminate 1
+  - yarn coveralls  || travis_terminate 0
 jobs:
   include:
     - stage: deploy
       if: branch == master && !fork
       script:
+        - yarn test || travis_terminate 1
         - NODE_ENV= yarn build || travis_terminate 1
         - yarn semantic-release

__tests__/__prod_snapshots__/patch.js.snap

@@ -1,7 +1,7 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`applyPatches throws when \`op\` is not "add", "replace", nor "remove" 1`] = `"[Immer] minified error nr: 17 copy. Find the full error at: https://bit.ly/3cXEKWf"`;
+exports[`applyPatches throws when \`op\` is not "add", "replace", nor "remove" 1`] = `"[Immer] minified error nr: 17 'copy'. Find the full error at: https://bit.ly/3cXEKWf"`;
 
-exports[`applyPatches throws when \`path\` cannot be resolved 1`] = `"[Immer] minified error nr: 15 a/b. Find the full error at: https://bit.ly/3cXEKWf"`;
+exports[`applyPatches throws when \`path\` cannot be resolved 1`] = `"[Immer] minified error nr: 15 'a/b'. Find the full error at: https://bit.ly/3cXEKWf"`;
 
-exports[`applyPatches throws when \`path\` cannot be resolved 2`] = `"[Immer] minified error nr: 15 a/b/c. Find the full error at: https://bit.ly/3cXEKWf"`;
+exports[`applyPatches throws when \`path\` cannot be resolved 2`] = `"[Immer] minified error nr: 15 'a/b/c'. Find the full error at: https://bit.ly/3cXEKWf"`;

__tests__/__prod_snapshots__/plugins.js.snap

@@ -1,11 +1,11 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`ES5 plugins should throw if no proxies are available error when using ES5 1`] = `"[Immer] minified error nr: 19 ES5. Find the full error at: https://bit.ly/3cXEKWf"`;
+exports[`ES5 plugins should throw if no proxies are available error when using ES5 1`] = `"[Immer] minified error nr: 18 'ES5'. Find the full error at: https://bit.ly/3cXEKWf"`;
 
-exports[`error when using Maps 1`] = `"[Immer] minified error nr: 19 MapSet. Find the full error at: https://bit.ly/3cXEKWf"`;
+exports[`error when using Maps 1`] = `"[Immer] minified error nr: 18 'MapSet'. Find the full error at: https://bit.ly/3cXEKWf"`;
 
-exports[`error when using patches - 1 1`] = `"[Immer] minified error nr: 19 Patches. Find the full error at: https://bit.ly/3cXEKWf"`;
+exports[`error when using patches - 1 1`] = `"[Immer] minified error nr: 18 'Patches'. Find the full error at: https://bit.ly/3cXEKWf"`;
 
-exports[`error when using patches - 2 1`] = `"[Immer] minified error nr: 19 Patches. Find the full error at: https://bit.ly/3cXEKWf"`;
+exports[`error when using patches - 2 1`] = `"[Immer] minified error nr: 18 'Patches'. Find the full error at: https://bit.ly/3cXEKWf"`;
 
-exports[`error when using patches - 3 1`] = `"[Immer] minified error nr: 19 Patches. Find the full error at: https://bit.ly/3cXEKWf"`;
+exports[`error when using patches - 3 1`] = `"[Immer] minified error nr: 18 'Patches'. Find the full error at: https://bit.ly/3cXEKWf"`;

__tests__/base.js

@@ -16,6 +16,8 @@ jest.setTimeout(1000)
 
 enableAllPlugins()
 
+const isProd = process.env.NODE_ENV === "production"
+
 test("immer should have no dependencies", () => {
 	expect(require("../package.json").dependencies).toBeUndefined()
 })
@@ -1145,65 +1147,66 @@ function runBaseTest(name, useProxies, autoFreeze, useListener) {
 		})
 
 		// NOTE: ES5 drafts only protect existing properties when revoked.
-		it("revokes the draft once produce returns", () => {
-			const expectRevoked = (fn, shouldThrow = true) => {
-				if (shouldThrow) expect(fn).toThrowErrorMatchingSnapshot()
-				else expect(fn).not.toThrow()
-			}
+		if (!isProd)
+			it("revokes the draft once produce returns", () => {
+				const expectRevoked = (fn, shouldThrow = true) => {
+					if (shouldThrow) expect(fn).toThrowErrorMatchingSnapshot()
+					else expect(fn).not.toThrow()
+				}
 
-			// Test object drafts:
-			let draft
-			produce({a: 1, b: 1}, s => {
-				draft = s
-				delete s.b
-			})
+				// Test object drafts:
+				let draft
+				produce({a: 1, b: 1}, s => {
+					draft = s
+					delete s.b
+				})
 
-			// Access known property on object draft.
-			expectRevoked(() => {
-				draft.a
-			})
+				// Access known property on object draft.
+				expectRevoked(() => {
+					draft.a
+				})
 
-			// Assign known property on object draft.
-			expectRevoked(() => {
-				draft.a = true
-			})
+				// Assign known property on object draft.
+				expectRevoked(() => {
+					draft.a = true
+				})
 
-			// Access unknown property on object draft.
-			expectRevoked(() => {
-				draft.z
-			}, useProxies)
+				// Access unknown property on object draft.
+				expectRevoked(() => {
+					draft.z
+				}, useProxies)
 
-			// Assign unknown property on object draft.
-			expectRevoked(() => {
-				draft.z = true
-			}, useProxies)
+				// Assign unknown property on object draft.
+				expectRevoked(() => {
+					draft.z = true
+				}, useProxies)
 
-			// Test array drafts:
-			produce([1, 2], s => {
-				draft = s
-				s.pop()
-			})
+				// Test array drafts:
+				produce([1, 2], s => {
+					draft = s
+					s.pop()
+				})
 
-			// Access known index of an array draft.
-			expectRevoked(() => {
-				draft[0]
-			})
+				// Access known index of an array draft.
+				expectRevoked(() => {
+					draft[0]
+				})
 
-			// Assign known index of an array draft.
-			expectRevoked(() => {
-				draft[0] = true
-			})
+				// Assign known index of an array draft.
+				expectRevoked(() => {
+					draft[0] = true
+				})
 
-			// Access unknown index of an array draft.
-			expectRevoked(() => {
-				draft[1]
-			}, useProxies)
+				// Access unknown index of an array draft.
+				expectRevoked(() => {
+					draft[1]
+				}, useProxies)
 
-			// Assign unknown index of an array draft.
-			expectRevoked(() => {
-				draft[1] = true
-			}, useProxies)
-		})
+				// Assign unknown index of an array draft.
+				expectRevoked(() => {
+					draft[1] = true
+				}, useProxies)
+			})
 
 		it("can access a child draft that was created before the draft was modified", () => {
 			produce({a: {}}, s => {
@@ -1697,7 +1700,7 @@ function runBaseTest(name, useProxies, autoFreeze, useListener) {
 					},
 					e => {
 						expect(e).toBe(err)
-						expect(() => draft.a).toThrowErrorMatchingSnapshot()
+						if (!isProd) expect(() => draft.a).toThrowErrorMatchingSnapshot()
 					}
 				)
 			})
@@ -2418,7 +2421,9 @@ function testLiteralTypes(produce) {
 							draft.foo = true
 						})
 					).toThrowError(
-						"produce can only be called on things that are draftable"
+						isProd
+							? "[Immer] minified error nr: 21"
+							: "produce can only be called on things that are draftable"
 					)
 				})
 			} else {

__tests__/current.js

@@ -14,6 +14,8 @@ enableAllPlugins()
 runTests("proxy", true)
 runTests("es5", false)
 
+const isProd = process.env.NODE_ENV === "production"
+
 function runTests(name, useProxies) {
 	describe("current - " + name, () => {
 		beforeAll(() => {
@@ -24,7 +26,11 @@ function runTests(name, useProxies) {
 		it("must be called on draft", () => {
 			expect(() => {
 				current({})
-			}).toThrowError("[Immer] 'current' expects a draft, got: [object Object]")
+			}).toThrowError(
+				isProd
+					? "[Immer] minified error nr: 22 '[object Object]'. Find the full error at: https://bit.ly/3cXEKWf"
+					: "[Immer] 'current' expects a draft, got: [object Object]"
+			)
 		})
 
 		it("can handle simple arrays", () => {

__tests__/manual.js

@@ -10,6 +10,8 @@ import {
 
 enableAllPlugins()
 
+const isProd = process.env.NODE_ENV === "production"
+
 runTests("proxy", true)
 runTests("es5", false)
 
@@ -41,16 +43,17 @@ function runTests(name, useProxies) {
 			expect(state).toEqual([{}, {}, {}])
 		})
 
-		it("cannot modify after finish", () => {
-			const state = {a: 1}
+		if (!isProd)
+			it("cannot modify after finish", () => {
+				const state = {a: 1}
 
-			const draft = createDraft(state)
-			draft.a = 2
-			expect(finishDraft(draft)).toEqual({a: 2})
-			expect(() => {
-				draft.a = 3
-			}).toThrowErrorMatchingSnapshot()
-		})
+				const draft = createDraft(state)
+				draft.a = 2
+				expect(finishDraft(draft)).toEqual({a: 2})
+				expect(() => {
+					draft.a = 3
+				}).toThrowErrorMatchingSnapshot()
+			})
 
 		it("should support patches drafts", () => {
 			const state = {a: 1}

__tests__/original.js

@@ -3,6 +3,8 @@ import produce, {original, setUseProxies, enableAllPlugins} from "../src/immer"
 
 enableAllPlugins()
 
+const isProd = process.env.NODE_ENV === "production"
+
 describe("original", () => {
 	const baseState = {
 		a: [],
@@ -40,20 +42,28 @@ describe("original", () => {
 			draftState.c = {}
 			draftState.d = 3
 			expect(() => original(draftState.c)).toThrowErrorMatchingInlineSnapshot(
-				`"[Immer] 'original' expects a draft, got: [object Object]"`
+				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(
-				`"[Immer] 'original' expects a draft, got: 3"`
+				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(
-			`"[Immer] 'original' expects a draft, got: [object Object]"`
+			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(
-			`"[Immer] 'original' expects a draft, got: 3"`
+			isProd
+				? `"[Immer] minified error nr: 23 '3'. Find the full error at: https://bit.ly/3cXEKWf"`
+				: `"[Immer] 'original' expects a draft, got: 3"`
 		)
 	})
 })

ignoreObseleteSnapshots.js

@@ -0,0 +1,6 @@
+module.exports = function(results) {
+	// don't count obselete snapshot as a failure, but just check if there are no failing tests
+	// console.dir(results)
+	results.success = results.testResults.every(r => r.numFailingTests === 0)
+	return results
+}

jest.config.build.js

@@ -14,5 +14,6 @@ module.exports = {
 	preset: "ts-jest/presets/js-with-ts",
 	testEnvironment: "node",
 	testMatch: ["**/__tests__/**/*.[jt]s?(x)"],
-	snapshotResolver: "<rootDir>/jest.config.build.snapshots.js"
+	snapshotResolver: "<rootDir>/jest.config.build.snapshots.js",
+	testResultsProcessor: "<rootDir>/ignoreObseleteSnapshots.js"
 }

readme.md

@@ -10,7 +10,7 @@ Winner of the "Breakthrough of the year" [React open source award](https://osawa
 
 ## Contribute using one-click online setup
 
-You can use Gitpod(a free online VS Code like IDE) for contributing online. With a single click it will launch a workspace and automatically:
+You can use Gitpod (a free online VS Code like IDE) for contributing online. With a single click it will launch a workspace and automatically:
 
 - clone the immer repo.
 - install the dependencies.

src/utils/errors.ts

@@ -53,7 +53,7 @@ export function die(error: keyof typeof errors, ...args: any[]): never {
 	}
 	throw new Error(
 		`[Immer] minified error nr: ${error}${
-			args.length ? " " + args.join(",") : ""
+			args.length ? " " + args.map(s => `'${s}'`).join(",") : ""
 		}. Find the full error at: https://bit.ly/3cXEKWf`
 	)
 }