added web vendorsHEADmaster

2 files changed, 77 insertions, 0 deletions

diff --git a/date-fns/src/_lib/toInteger/index.ts b/date-fns/src/_lib/toInteger/index.ts
new file mode 100644
index 0000000..e9a9359
--- /dev/null
+++ b/date-fns/src/_lib/toInteger/index.ts
@@ -0,0 +1,13 @@
+export default function toInteger(dirtyNumber: unknown) {
+  if (dirtyNumber === null || dirtyNumber === true || dirtyNumber === false) {
+    return NaN
+  }
+
+  const number = Number(dirtyNumber)
+
+  if (isNaN(number)) {
+    return number
+  }
+
+  return number < 0 ? Math.ceil(number) : Math.floor(number)
+}
diff --git a/date-fns/src/_lib/toInteger/test.js b/date-fns/src/_lib/toInteger/test.js
new file mode 100644
index 0000000..6542890
--- /dev/null
+++ b/date-fns/src/_lib/toInteger/test.js
@@ -0,0 +1,64 @@
+// @flow
+/* eslint-env mocha */
+
+import assert from 'power-assert'
+import toInteger from '.'
+
+describe('toInteger', function () {
+  it('truncates positive numbers', function () {
+    var result = toInteger(10.99)
+    assert(result === 10)
+  })
+
+  it('truncates negative numbers', function () {
+    var result = toInteger(-5.5)
+    assert(result === -5)
+  })
+
+  it('converts convertable strings', function () {
+    var result = toInteger('-10.75')
+    assert(result === -10)
+  })
+
+  it('returns NaN for non-convertable strings', function () {
+    var result = toInteger('Foobar')
+    assert(typeof result === 'number' && isNaN(result))
+  })
+
+  it('returns NaN for false', function () {
+    var result = toInteger(false)
+    assert(typeof result === 'number' && isNaN(result))
+  })
+
+  it('returns NaN for true', function () {
+    var result = toInteger(true)
+    assert(typeof result === 'number' && isNaN(result))
+  })
+
+  it('returns NaN for null', function () {
+    var result = toInteger(null)
+    assert(typeof result === 'number' && isNaN(result))
+  })
+
+  it('returns NaN for undefined', function () {
+    var result = toInteger(undefined)
+    assert(typeof result === 'number' && isNaN(result))
+  })
+
+  it('returns NaN for NaN', function () {
+    var result = toInteger(NaN)
+    assert(typeof result === 'number' && isNaN(result))
+  })
+
+  it('converts convertable objects', function () {
+    // eslint-disable-next-line no-new-wrappers
+    var result = toInteger(new Number(123))
+    assert(result === 123)
+  })
+
+  it('returns NaN for non-convertable objects', function () {
+    // eslint-disable-next-line no-new-wrappers
+    var result = toInteger({})
+    assert(typeof result === 'number' && isNaN(result))
+  })
+})