feat: add root clock indexer

Co-authored-by: Michał Sobieraj-Jakubiec <[email protected]>
l2beat · Sep 13, 2023 · c79486e · c79486e
1 parent 90383f0
commit c79486e
Show file tree

Hide file tree

Showing 5 changed files with 215 additions and 12 deletions.
diff --git a/packages/backend/.mocharc.json b/packages/backend/.mocharc.json
@@ -4,5 +4,6 @@
   "watchExtensions": "ts",
   "extension": "ts",
   "file": "src/test/setup.ts",
-  "reporterOption": "maxDiffSize=0"
+  "reporterOption": "maxDiffSize=0",
+  "exit": true
 }
diff --git a/packages/backend/package.json b/packages/backend/package.json
@@ -22,8 +22,9 @@
   },
   "dependencies": {
     "@koa/router": "^12.0.0",
-    "@lz/libs": "*",
     "@l2beat/backend-tools": "^0.3.0",
+    "@l2beat/uif": "^0.2.0",
+    "@lz/libs": "*",
     "ethers": "^6.7.1",
     "knex": "^2.5.1",
     "koa": "^2.14.2",
@@ -33,12 +34,16 @@
     "source-map-support": "^0.5.21"
   },
   "devDependencies": {
+    "@sinonjs/fake-timers": "^11.1.0",
     "@types/knex": "^0.16.1",
     "@types/koa": "^2.13.8",
     "@types/koa-conditional-get": "^2.0.0",
     "@types/koa-etag": "^3.0.0",
     "@types/koa__router": "^12.0.0",
+    "@types/sinon": "^10.0.16",
+    "@types/sinonjs__fake-timers": "^8.1.2",
     "@types/supertest": "^2.0.12",
+    "sinon": "^15.2.0",
     "supertest": "^6.3.3",
     "ts-node-dev": "^2.0.0"
   }

diff --git a/packages/backend/src/peripherals/indexers/ClockIndexer.test.ts b/packages/backend/src/peripherals/indexers/ClockIndexer.test.ts
@@ -0,0 +1,59 @@
+import { Logger } from '@l2beat/backend-tools'
+import { ChildIndexer } from '@l2beat/uif'
+import { install, InstalledClock } from '@sinonjs/fake-timers'
+import { expect } from 'earl'
+import { spy } from 'sinon'
+
+import { ClockIndexer } from './ClockIndexer'
+
+describe(ClockIndexer.name, () => {
+  let clock: InstalledClock
+
+  beforeEach(() => {
+    clock = install({ shouldAdvanceTime: true, advanceTimeDelta: 1 })
+  })
+
+  afterEach(() => {
+    clock.uninstall()
+  })
+
+  it('produces predictable amount of tick resulting in updates', async () => {
+    const tickInterval = 10 * 1000 // 10s
+    const expectedUpdateCount = 5
+
+    const clockIndexer = new ClockIndexer(Logger.SILENT, tickInterval)
+
+    const testChildIndexer = new TestChildIndexer(Logger.SILENT, [clockIndexer])
+
+    const spied = spy(testChildIndexer, 'update')
+
+    await clockIndexer.start()
+    await testChildIndexer.start()
+
+    await clock.tickAsync(tickInterval * expectedUpdateCount)
+
+    expect(spied.callCount).toEqual(expectedUpdateCount)
+  })
+})
+
+class TestChildIndexer extends ChildIndexer {
+  private safeHeight = 0
+  override getSafeHeight(): Promise<number> {
+    return Promise.resolve(this.safeHeight)
+  }
+
+  override setSafeHeight(height: number): Promise<void> {
+    this.safeHeight = height
+    return Promise.resolve()
+  }
+
+  override update(_from: number, to: number): Promise<number> {
+    return Promise.resolve(to)
+  }
+
+  override invalidate(targetHeight: number): Promise<number> {
+    this.safeHeight = targetHeight
+
+    return Promise.resolve(targetHeight)
+  }
+}
diff --git a/packages/backend/src/peripherals/indexers/ClockIndexer.ts b/packages/backend/src/peripherals/indexers/ClockIndexer.ts
@@ -0,0 +1,20 @@
+import { Logger } from '@l2beat/backend-tools'
+import { RootIndexer } from '@l2beat/uif'
+
+export class ClockIndexer extends RootIndexer {
+  constructor(
+    protected override readonly logger: Logger,
+    private readonly tickInterval: number,
+  ) {
+    super(logger.for('ClockIndexer'))
+  }
+  override async start(): Promise<void> {
+    await super.start()
+    setInterval(() => this.requestTick(), this.tickInterval)
+  }
+
+  tick(): Promise<number> {
+    console.log('ticking')
+    return Promise.resolve(Date.now())
+  }
+}
diff --git a/yarn.lock b/yarn.lock
@@ -7,15 +7,16 @@
   resolved "https://registry.yarnpkg.com/@aashutoshrathi/word-wrap/-/word-wrap-1.2.6.tgz#bd9154aec9983f77b3a034ecaa015c2e4201f6cf"
   integrity sha512-1Yjs2SvM8TflER/OD3cOjhWWOZb58A2t7wpE2S9XfBYTiIl+XFhQG2bjy4Pu1I+EAlCNUzRDYDdFwFYUKvXcIA==
 
-"@alloc/quick-lru@^5.2.0":
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/@alloc/quick-lru/-/quick-lru-5.2.0.tgz#7bf68b20c0a350f936915fcae06f58e32007ce30"
-  integrity sha512-UrcABB+4bUrFABwbluTIBErXwvbsU/V7TZWfmbgJfbkwiBuziS9gxdODUyuiecfdGQ85jglMW6juS3+z5TsKLw==
 "@adraffy/[email protected]":
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/@adraffy/ens-normalize/-/ens-normalize-1.9.2.tgz#60111a5d9db45b2e5cbb6231b0bb8d97e8659316"
   integrity sha512-0h+FrQDqe2Wn+IIGFkTCd4aAwTJ+7834Ek1COohCyV26AXhwQ7WQaz+4F/nLOeVl/3BtWHOHLPsq46V8YB46Eg==
 
+"@alloc/quick-lru@^5.2.0":
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/@alloc/quick-lru/-/quick-lru-5.2.0.tgz#7bf68b20c0a350f936915fcae06f58e32007ce30"
+  integrity sha512-UrcABB+4bUrFABwbluTIBErXwvbsU/V7TZWfmbgJfbkwiBuziS9gxdODUyuiecfdGQ85jglMW6juS3+z5TsKLw==
+
 "@cspotcode/source-map-support@^0.8.0":
   version "0.8.1"
   resolved "https://registry.yarnpkg.com/@cspotcode/source-map-support/-/source-map-support-0.8.1.tgz#00629c35a688e05a88b1cda684fb9d5e73f000a1"
@@ -353,7 +354,7 @@
     methods "^1.1.2"
     path-to-regexp "^6.2.1"
 
-"@l2beat/[email protected]", "@l2beat/backend-tools@^0.3.0":
+"@l2beat/backend-tools@*", "@l2beat/backend-tools@0.3.0", "@l2beat/backend-tools@^0.3.0":
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/@l2beat/backend-tools/-/backend-tools-0.3.0.tgz#549e60b3f8b3163b3e7bc1c6fa79ac1988e1506d"
   integrity sha512-ebNpHzo4TnVWfmlBof3wmpWlFkMYzoJ5GwsKYQ8+7W7CMHgKDrFNwXFoEpBPTuPMLfUydSLmDK/rqAlhjAusFQ==
@@ -362,6 +363,13 @@
     dotenv "^16.3.1"
     error-stack-parser "^2.1.4"
 
+"@l2beat/uif@^0.2.0":
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/@l2beat/uif/-/uif-0.2.0.tgz#ac7772442507cf5032bd494c7a1dd9ddd6878786"
+  integrity sha512-CRvjZUg05y/Dbbue684dhqskzS4jRUh4MEKFQxKYNJhUb4pIj08tC95dpXkAKJvLsH1cZacfm17t+yNfxVkyOw==
+  dependencies:
+    "@l2beat/backend-tools" "*"
+
 "@noble/[email protected]":
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.1.2.tgz#e9e035b9b166ca0af657a7848eb2718f0f22f183"
@@ -393,6 +401,48 @@
     "@nodelib/fs.scandir" "2.1.5"
     fastq "^1.6.0"
 
+"@sinonjs/commons@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-2.0.0.tgz#fd4ca5b063554307e8327b4564bd56d3b73924a3"
+  integrity sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==
+  dependencies:
+    type-detect "4.0.8"
+
+"@sinonjs/commons@^3.0.0":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-3.0.0.tgz#beb434fe875d965265e04722ccfc21df7f755d72"
+  integrity sha512-jXBtWAF4vmdNmZgD5FoKsVLv3rPgDnLgPbU84LIJ3otV44vJlDRokVng5v8NFJdCf/da9legHcKaRuZs4L7faA==
+  dependencies:
+    type-detect "4.0.8"
+
+"@sinonjs/fake-timers@^10.0.2", "@sinonjs/fake-timers@^10.3.0":
+  version "10.3.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-10.3.0.tgz#55fdff1ecab9f354019129daf4df0dd4d923ea66"
+  integrity sha512-V4BG07kuYSUkTCSBHG8G8TNhM+F19jXFWnQtzj+we8DrkpSBCee9Z3Ms8yiGer/dlmhe35/Xdgyo3/0rQKg7YA==
+  dependencies:
+    "@sinonjs/commons" "^3.0.0"
+
+"@sinonjs/fake-timers@^11.1.0":
+  version "11.1.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-11.1.0.tgz#5ad7b44514a61bbd04a3ddec863e21edd6efc2da"
+  integrity sha512-pUBaWhXoa9N0R/LeYKLqkrN9mqN3jwKBeMfbvlRtHUzLmk55o+0swncIuZBcSH/PpXDttRf/AcPF22pknAzORQ==
+  dependencies:
+    "@sinonjs/commons" "^3.0.0"
+
+"@sinonjs/samsam@^8.0.0":
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-8.0.0.tgz#0d488c91efb3fa1442e26abea81759dfc8b5ac60"
+  integrity sha512-Bp8KUVlLp8ibJZrnvq2foVhP0IVX2CIprMJPK0vqGqgrDa0OHVKeZyBykqskkrdxV6yKBPmGasO8LVjAKR3Gew==
+  dependencies:
+    "@sinonjs/commons" "^2.0.0"
+    lodash.get "^4.4.2"
+    type-detect "^4.0.8"
+
+"@sinonjs/text-encoding@^0.7.1":
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/@sinonjs/text-encoding/-/text-encoding-0.7.2.tgz#5981a8db18b56ba38ef0efb7d995b12aa7b51918"
+  integrity sha512-sXXKG+uL9IrKqViTtao2Ws6dy0znu9sOaP1di/jKGW1M6VssO8vlpXCQcpZ+jisQ1tTFAC5Jo/EOzFbggBagFQ==
+
 "@swc/[email protected]":
   version "1.3.83"
   resolved "https://registry.yarnpkg.com/@swc/core-darwin-arm64/-/core-darwin-arm64-1.3.83.tgz#eaeafce9bc9b8fce7d7c3d872b160b7660db8149"
@@ -670,15 +720,16 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-20.5.9.tgz#a70ec9d8fa0180a314c3ede0e20ea56ff71aed9a"
   integrity sha512-PcGNd//40kHAS3sTlzKB9C9XL4K0sTup8nbG5lC14kzEteTNuAFh9u5nA0o5TWnSG2r/JNPRXFVcHJIIeRlmqQ==
 
-"@types/prop-types@*":
-  version "15.7.5"
-  resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.5.tgz#5f19d2b85a98e9558036f6a3cacc8819420f05cf"
-  integrity sha512-JCB8C6SnDoQf0cNycqd/35A7MjcnK+ZTqE7judS6o7utxUCg6imJg3QK2qzHKszlTjcj2cn+NwMB2i96ubpj7w==
 "@types/[email protected]":
   version "18.15.13"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-18.15.13.tgz#f64277c341150c979e42b00e4ac289290c9df469"
   integrity sha512-N+0kuo9KgrUQ1Sn/ifDXsvg0TTleP7rIy4zOBGECxAljqvqfqpTfzx0Q1NUedOixRMBfe2Whhb056a42cWs26Q==
 
+"@types/prop-types@*":
+  version "15.7.5"
+  resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.5.tgz#5f19d2b85a98e9558036f6a3cacc8819420f05cf"
+  integrity sha512-JCB8C6SnDoQf0cNycqd/35A7MjcnK+ZTqE7judS6o7utxUCg6imJg3QK2qzHKszlTjcj2cn+NwMB2i96ubpj7w==
+
 "@types/qs@*":
   version "6.9.8"
   resolved "https://registry.yarnpkg.com/@types/qs/-/qs-6.9.8.tgz#f2a7de3c107b89b441e071d5472e6b726b4adf45"
@@ -732,6 +783,18 @@
     "@types/mime" "*"
     "@types/node" "*"
 
+"@types/sinon@^10.0.16":
+  version "10.0.16"
+  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-10.0.16.tgz#4bf10313bd9aa8eef1e50ec9f4decd3dd455b4d3"
+  integrity sha512-j2Du5SYpXZjJVJtXBokASpPRj+e2z+VUhCPHmM6WMfe3dpHu6iVKJMU6AiBcMp/XTAYnEj6Wc1trJUWwZ0QaAQ==
+  dependencies:
+    "@types/sinonjs__fake-timers" "*"
+
+"@types/sinonjs__fake-timers@*", "@types/sinonjs__fake-timers@^8.1.2":
+  version "8.1.2"
+  resolved "https://registry.yarnpkg.com/@types/sinonjs__fake-timers/-/sinonjs__fake-timers-8.1.2.tgz#bf2e02a3dbd4aecaf95942ecd99b7402e03fad5e"
+  integrity sha512-9GcLXF0/v3t80caGs5p2rRfkB+a8VBGLJZVih6CNFkx8IZ994wiKKLSRs9nuFwk1HevWs/1mnUmkApGrSGsShA==
+
 "@types/strip-bom@^3.0.0":
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/@types/strip-bom/-/strip-bom-3.0.0.tgz#14a8ec3956c2e81edb7520790aecf21c290aebd2"
@@ -1432,6 +1495,11 @@ diff@^4.0.1:
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
   integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
 
+diff@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-5.1.0.tgz#bc52d298c5ea8df9194800224445ed43ffc87e40"
+  integrity sha512-D+mk+qE8VC/PAUrlAU34N+VfXev0ghe5ywmpqrawphmVZc1bEfn56uo9qpyGp1p4xpzOHkSW4ztBd6L7Xx4ACw==
+
 dir-glob@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-3.0.1.tgz#56dbf73d992a4a93ba1584f4534063fd2e41717f"
@@ -2527,6 +2595,11 @@ is-weakset@^2.0.1:
     call-bind "^1.0.2"
     get-intrinsic "^1.1.1"
 
+[email protected]:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
+  integrity sha512-D2S+3GLxWH+uhrNEcoh/fnmYeP8E8/zHl644d/jdA0g2uyXvy3sb0qxotE+ne0LtccHknQzWwZEzhak7oJ0COQ==
+
 isarray@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-2.0.5.tgz#8af1e4c1221244cc62459faf38940d4e644a5723"
@@ -2605,6 +2678,11 @@ json5@^1.0.2:
     object.assign "^4.1.4"
     object.values "^1.1.6"
 
+just-extend@^4.0.2:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/just-extend/-/just-extend-4.2.1.tgz#ef5e589afb61e5d66b24eca749409a8939a8c744"
+  integrity sha512-g3UB796vUFIY90VIv/WX3L2c8CS2MdWUww3CNrYmqza1Fg0DURc2K/O4YrnklBdQarSJ/y8JnJYDGc+1iumQjg==
+
 keygrip@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/keygrip/-/keygrip-1.1.0.tgz#871b1681d5e159c62a445b0c74b615e0917e7226"
@@ -2726,6 +2804,11 @@ locate-path@^6.0.0:
   dependencies:
     p-locate "^5.0.0"
 
+lodash.get@^4.4.2:
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
+  integrity sha512-z+Uw/vLuy6gQe8cfaFWD7p0wVv8fJl3mbzXh33RS+0oW2wvUqiRXiQ69gLWSLpgB5/6sU+r6BlQR0MBILadqTQ==
+
 lodash.merge@^4.6.2:
   version "4.6.2"
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
@@ -2903,6 +2986,17 @@ nice-try@^1.0.4:
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
+nise@^5.1.4:
+  version "5.1.4"
+  resolved "https://registry.yarnpkg.com/nise/-/nise-5.1.4.tgz#491ce7e7307d4ec546f5a659b2efe94a18b4bbc0"
+  integrity sha512-8+Ib8rRJ4L0o3kfmyVCL7gzrohyDe0cMFTBa2d364yIrEGMEoetznKJx899YxjybU6bL9SQkYPSBBs1gyYs8Xg==
+  dependencies:
+    "@sinonjs/commons" "^2.0.0"
+    "@sinonjs/fake-timers" "^10.0.2"
+    "@sinonjs/text-encoding" "^0.7.1"
+    just-extend "^4.0.2"
+    path-to-regexp "^1.7.0"
+
 node-releases@^2.0.13:
   version "2.0.13"
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.13.tgz#d5ed1627c23e3461e819b02e57b75e4899b1c81d"
@@ -3116,6 +3210,13 @@ path-parse@^1.0.7:
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.7.tgz#fbc114b60ca42b30d9daf5858e4bd68bbedb6735"
   integrity sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==
 
+path-to-regexp@^1.7.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-1.8.0.tgz#887b3ba9d84393e87a0a0b9f4cb756198b53548a"
+  integrity sha512-n43JRhlUKUAlibEJhPeir1ncUID16QnEjNpwzNdO3Lm4ywrBpBZ5oLD0I6br9evr1Y9JTqwRtAh7JLoOzAQdVA==
+  dependencies:
+    isarray "0.0.1"
+
 path-to-regexp@^6.2.1:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-6.2.1.tgz#d54934d6798eb9e5ef14e7af7962c945906918e5"
@@ -3576,6 +3677,18 @@ signal-exit@^3.0.0:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.7.tgz#a9a1767f8af84155114eaabd73f99273c8f59ad9"
   integrity sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==
 
+sinon@^15.2.0:
+  version "15.2.0"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-15.2.0.tgz#5e44d4bc5a9b5d993871137fd3560bebfac27565"
+  integrity sha512-nPS85arNqwBXaIsFCkolHjGIkFo+Oxu9vbgmBJizLAhqe6P2o3Qmj3KCUoRkfhHtvgDhZdWD3risLHAUJ8npjw==
+  dependencies:
+    "@sinonjs/commons" "^3.0.0"
+    "@sinonjs/fake-timers" "^10.3.0"
+    "@sinonjs/samsam" "^8.0.0"
+    diff "^5.1.0"
+    nise "^5.1.4"
+    supports-color "^7.2.0"
+
 slash@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"
@@ -3770,7 +3883,7 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^7.1.0:
+supports-color@^7.1.0, supports-color@^7.2.0:
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"
   integrity sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==
@@ -3955,6 +4068,11 @@ type-check@^0.4.0, type-check@~0.4.0:
   dependencies:
     prelude-ls "^1.2.1"
 
+[email protected], type-detect@^4.0.8:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
+  integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
+
 type-fest@^0.20.2:
   version "0.20.2"
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.20.2.tgz#1bf207f4b28f91583666cb5fbd327887301cd5f4"