Move tests into test/ dir

jest.config.cjs

@@ -3,4 +3,11 @@ module.exports = {
   preset: 'ts-jest',
   testEnvironment: 'node',
   testPathIgnorePatterns: ['node_modules', '_fixtures.ts', 'test-d'],
+
+  // NOTE: These alias mapping must exactly match the mappings from the "paths"
+  // setting in our tsconfig
+  moduleNameMapper: {
+    '^~$': '<rootDir>/src',
+    '^~/(.*)$': '<rootDir>/src/$1',
+  },
 };

package.json

@@ -61,7 +61,7 @@
     "actually-prepublish": "echo \"\\n\\nPlease run \\`bin/publish.sh <options>\\` instead.\\n\\n\" && exit 2",
     "build": "tsup && cp dist/format.js . && cp dist/result.js .",
     "docs": "cog -cr docs/*.md",
-    "lint": "eslint --color --report-unused-disable-directives src/**/*.ts && prettier --list-different src test-d",
+    "lint": "eslint --color --report-unused-disable-directives src/**/*.ts test/**/*.ts && prettier --list-different src/ test/ test-d/",
     "lint:docs": "cog -c --check docs/*.md || (npm run docs; git diff; echo 'Error: docs not up-to-date, please re-run \"npm docs\" to update them.' && exit 1)",
     "lint:package": "publint --strict && attw --pack",
     "format": "eslint --report-unused-disable-directives --fix src && prettier --write 'src/**/*.js'",

src/__tests__/Decoder.test.ts → test/Decoder.test.ts

@@ -1,8 +1,8 @@
-import { annotate } from '../annotate';
-import { formatInline, formatShort } from '../format';
-import { number } from '../lib/numbers';
-import { pojo } from '../lib/objects';
-import { string } from '../lib/strings';
+import { annotate } from '~/annotate';
+import { formatInline, formatShort } from '~/format';
+import { number } from '~/lib/numbers';
+import { pojo } from '~/lib/objects';
+import { string } from '~/lib/strings';
 
 describe('.decode', () => {
   // .decode() is tested implicitly because it's used _everywhere_

src/__tests__/_utils.test.ts → test/_utils.test.ts

@@ -1,7 +1,7 @@
 /* eslint-disable no-restricted-syntax */
 
-import { indent, subtract } from '../_utils';
-import type { Scalar } from '../Decoder';
+import { indent, subtract } from '~/_utils';
+import type { Scalar } from '~/Decoder';
 
 describe('subtract', () => {
   const exampleSets: Set<Scalar>[] = [

src/__tests__/annotate.test.ts → test/annotate.test.ts

@@ -1,7 +1,7 @@
 /* eslint-disable no-restricted-syntax */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
-import { annotate, array, circularRef, merge, object, scalar } from '../annotate';
+import { annotate, array, circularRef, merge, object, scalar } from '~/annotate';
 
 describe('parsing (scalars)', () => {
   it('strings', () => {

src/lib/__tests__/arrays.test.ts → test/arrays.test.ts

@@ -1,7 +1,7 @@
-import { array, nonEmptyArray, set, tuple } from '../arrays';
-import { number } from '../numbers';
-import { object } from '../objects';
-import { string } from '../strings';
+import { array, nonEmptyArray, set, tuple } from '~/lib/arrays';
+import { number } from '~/lib/numbers';
+import { object } from '~/lib/objects';
+import { string } from '~/lib/strings';
 
 describe('array', () => {
   it('empty array', () => {

src/lib/__tests__/basics.test.ts → test/basics.test.ts

@@ -9,10 +9,10 @@ import {
   nullable,
   optional,
   undefined_,
-} from '../basics';
+} from '~/lib/basics';
 import { INPUTS } from './_fixtures';
 import { partition } from 'itertools';
-import { string } from '../strings';
+import { string } from '~/lib/strings';
 
 describe('null_', () => {
   const decoder = null_;

src/lib/__tests__/booleans.test.ts → test/booleans.test.ts

@@ -1,6 +1,6 @@
 /* eslint-disable no-restricted-syntax */
 
-import { boolean, numericBoolean, truthy } from '../booleans';
+import { boolean, numericBoolean, truthy } from '~/lib/booleans';
 import { INPUTS } from './_fixtures';
 import { partition } from 'itertools';
 

src/lib/__tests__/dates.test.ts → test/dates.test.ts

@@ -1,6 +1,6 @@
 /* eslint-disable no-restricted-syntax */
 
-import { date, iso8601 } from '../dates';
+import { date, iso8601 } from '~/lib/dates';
 import { INPUTS } from './_fixtures';
 import { partition } from 'itertools';
 

src/__tests__/format.test.ts → test/format.test.ts

@@ -1,5 +1,5 @@
-import { __private_annotate, annotate } from '../annotate';
-import { formatInline, formatShort } from '../format';
+import { __private_annotate, annotate } from '~/annotate';
+import { formatInline, formatShort } from '~/format';
 
 const whitespace_re = /^\s*$/;
 

src/lib/__tests__/json.test.ts → test/json.test.ts

@@ -1,4 +1,4 @@
-import { json, jsonArray, jsonObject } from '../json';
+import { json, jsonArray, jsonObject } from '~/lib/json';
 
 describe('decoder', () => {
   const decoder = json;

src/lib/__tests__/numbers.test.ts → test/numbers.test.ts

@@ -1,6 +1,12 @@
 /* eslint-disable no-restricted-syntax */
 
-import { anyNumber, integer, number, positiveInteger, positiveNumber } from '../numbers';
+import {
+  anyNumber,
+  integer,
+  number,
+  positiveInteger,
+  positiveNumber,
+} from '~/lib/numbers';
 import { INPUTS } from './_fixtures';
 import { partition } from 'itertools';
 

src/lib/__tests__/objects.test.ts → test/objects.test.ts

@@ -1,7 +1,7 @@
-import { dict, exact, inexact, mapping, object, pojo } from '../objects';
-import { hardcoded, optional, unknown } from '../basics';
-import { number } from '../numbers';
-import { string } from '../strings';
+import { dict, exact, inexact, mapping, object, pojo } from '~/lib/objects';
+import { hardcoded, optional, unknown } from '~/lib/basics';
+import { number } from '~/lib/numbers';
+import { string } from '~/lib/strings';
 
 describe('objects', () => {
   it('decodes objects and fields', () => {

src/__tests__/result.test.ts → test/result.test.ts

@@ -1,4 +1,4 @@
-import { err, ok } from '../result';
+import { err, ok } from '~/result';
 
 describe('Result', () => {
   const r1 = ok(42);

src/lib/__tests__/strings.test.ts → test/strings.test.ts

@@ -11,7 +11,7 @@ import {
   uuid,
   uuidv1,
   uuidv4,
-} from '../strings';
+} from '~/lib/strings';
 import { INPUTS } from './_fixtures';
 import { partition } from 'itertools';
 

src/lib/__tests__/unions.test.ts → test/unions.test.ts

@@ -1,15 +1,15 @@
 /* eslint-disable no-restricted-syntax */
 
-import { boolean } from '../booleans';
-import { constant, undefined_ } from '../basics';
-import { either, oneOf } from '../unions';
+import { boolean } from '~/lib/booleans';
+import { constant, undefined_ } from '~/lib/basics';
+import { either, oneOf } from '~/lib/unions';
 import { INPUTS } from './_fixtures';
-import { number } from '../numbers';
-import { object } from '../objects';
+import { number } from '~/lib/numbers';
+import { object } from '~/lib/objects';
 import { partition } from 'itertools';
-import { regex, string } from '../strings';
-import { taggedUnion } from '../unions';
-import type { Decoder } from '../../Decoder';
+import { regex, string } from '~/lib/strings';
+import { taggedUnion } from '~/lib/unions';
+import type { Decoder } from '~/Decoder';
 
 describe('either', () => {
   const stringOrBooleanDecoder = either(string, boolean);

src/lib/__tests__/utilities.test.ts → test/utilities.test.ts

@@ -1,15 +1,15 @@
 /* eslint-disable no-restricted-syntax */
 
-import { array } from '../arrays';
-import { constant } from '../basics';
-import { fail, instanceOf, lazy, never, prep } from '../utilities';
+import { array } from '~/lib/arrays';
+import { constant } from '~/lib/basics';
+import { fail, instanceOf, lazy, never, prep } from '~/lib/utilities';
 import { INPUTS } from './_fixtures';
-import { number } from '../numbers';
-import { object } from '../objects';
-import { optional } from '../basics';
+import { number } from '~/lib/numbers';
+import { object } from '~/lib/objects';
+import { optional } from '~/lib/basics';
 import { partition } from 'itertools';
-import { string } from '../strings';
-import type { Decoder } from '../../Decoder';
+import { string } from '~/lib/strings';
+import type { Decoder } from '~/Decoder';
 
 describe('instanceOf', () => {
   const errorDecoder = instanceOf(Error);

tsconfig.json

@@ -16,7 +16,11 @@
     // "noUncheckedIndexedAccess": true,
     "noUncheckedIndexedAccess": false,
     "noUnusedLocals": true,
-    "noUnusedParameters": true
+    "noUnusedParameters": true,
+    "paths": {
+      "~": ["./src"],
+      "~/*": ["./src/*"]
+    }
   },
   "include": ["src", "test"],
   "exclude": ["node_modules", "dist"]