[modules] add Date refinament which expects ISO 8601 date

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Added
 
 - [styles] Added `text-decoration-skip: ink;` to default links style.
+- [modules] Added `Date` refinament which expects ISO 8601 date.
 
 ### Changed
 - [package] Updated dependencies.

modules/refinements.js

@@ -1,10 +1,12 @@
 const t = require('tcomb')
+const moment = require('moment')
 
 module.exports = {
   False: t.refinement(t.Boolean, (b) => b === false, 'False'),
   Absoluteurl: t.refinement(t.String, (u) => /^\/\/|:\/\//.test(u), 'Absolute url'),
   Imagepath: t.refinement(t.String, (i) => /.(jpg|jpeg|gif|png|svg)$/.test(i), 'Image file'),
   Handle: t.refinement(t.String, (i) => /^@((?!(:|\\|\/)).)*$/.test(i), 'Handle'),
+  Date: t.refinement(t.String, (d) => moment(d, moment.ISO_8601, true).isValid(), 'ISO 8601 Date'),
 
   /**
    * Ensures that value does not exceed specified length

tests/kotsu/__snapshots__/refinements.test.js.snap

@@ -28,6 +28,18 @@ exports[`Tcomb refinement Absoluteurl should pass absolute url 2`] = `"https://t
 
 exports[`Tcomb refinement Absoluteurl should pass absolute url 3`] = `"//test.com"`;
 
+exports[`Tcomb refinement Date should error on non-ISO 8601 date 1`] = `"[tcomb] Invalid value 1 supplied to ISO 8601 Date"`;
+
+exports[`Tcomb refinement Date should error on non-ISO 8601 date 2`] = `"[tcomb] Invalid value \\"test\\" supplied to ISO 8601 Date"`;
+
+exports[`Tcomb refinement Date should error on non-ISO 8601 date 3`] = `"[tcomb] Invalid value \\"2012\\" supplied to ISO 8601 Date"`;
+
+exports[`Tcomb refinement Date should error on non-ISO 8601 date 4`] = `"[tcomb] Invalid value \\"2012-30-30\\" supplied to ISO 8601 Date"`;
+
+exports[`Tcomb refinement Date should error on non-ISO 8601 date 5`] = `"[tcomb] Invalid value \\"2010-01-01T05:\\" supplied to ISO 8601 Date"`;
+
+exports[`Tcomb refinement Date should pass ISO 8601 date 1`] = `"2010-01-01T05:06:07"`;
+
 exports[`Tcomb refinement EqualKeyAndProp should error on everything except object with equal keys and property value 1`] = `"[tcomb] ivalid value \`235\`<number> supplied to \`Testdata/235/id\` property: expected equal to key value \`235\`<string>"`;
 
 exports[`Tcomb refinement EqualKeyAndProp should error on everything except object with equal keys and property value 2`] = `"[tcomb] ivalid value \`111\`<number> supplied to \`Testdata/235/id\` property: expected equal to key value \`235\`<string>"`;

tests/kotsu/refinements.test.js

@@ -114,6 +114,19 @@ describe('Tcomb refinement', () => {
     })
   })
 
+  describe('Date', () => {
+    it('should pass ISO 8601 date', () => {
+      expect(r.Date('2010-01-01T05:06:07')).toMatchSnapshot()
+    })
+    it('should error on non-ISO 8601 date', () => {
+      expect(() => r.Date(1)).toThrowErrorMatchingSnapshot()
+      expect(() => r.Date('test')).toThrowErrorMatchingSnapshot()
+      expect(() => r.Date('2012')).toThrowErrorMatchingSnapshot()
+      expect(() => r.Date('2012-30-30')).toThrowErrorMatchingSnapshot()
+      expect(() => r.Date('2010-01-01T05:')).toThrowErrorMatchingSnapshot()
+    })
+  })
+
   describe('EqualKeyAndProp', () => {
     const EqualKeysAndId = r.EqualKeyAndProp('id')(t.dict(t.String, t.Any, 'Testdata'))