working rss feed to nostr publish

2023-11-24 00:43:28 -05:00
parent 06edcb57ae
commit 88d2f9cfec
8396 changed files with 783105 additions and 0 deletions
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+// maybe.test
+
+/* eslint-env jest */
+
+import {
+  maybe
+} from './maybe.js'
+
+describe('test .maybe() method:', () => {
+  const plus5 = (x) => x + 5
+  const minus2 = (x) => x - 2
+  const isNumber = (x) => Number(x) === x
+  const toString = (x) => 'The value is ' + String(x)
+  const getDefault = () => 'This is default value'
+
+  test('  check if .maybe() works correctly', () => {
+    const x1 = maybe(5)
+      .if(isNumber)
+      .map(plus5)
+      .map(minus2)
+      .map(toString)
+      .else(getDefault)
+      .value()
+    expect(x1).toEqual('The value is 8')
+
+    const x2 = maybe('nothing')
+      .if(isNumber)
+      .map(plus5)
+      .map(minus2)
+      .map(toString)
+      .else(getDefault)
+      .value()
+    expect(x2).toEqual('This is default value')
+  })
+})