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-rw-r--r--__tests__/dice.test.js8
-rw-r--r--src/dice.js12
2 files changed, 13 insertions, 7 deletions
diff --git a/__tests__/dice.test.js b/__tests__/dice.test.js
index fa2d2dc..4828ce4 100644
--- a/__tests__/dice.test.js
+++ b/__tests__/dice.test.js
@@ -169,7 +169,7 @@ const combinedDiceTestSpecs = (dieSpecs) => {
const expectExtrema =
dieSpecs.map(spec => (Math.pow(spec.sides, spec.number)))
- .reduce(times) < 50
+ .reduce(times) < 50
return {
diceCount: combineSpecField(spec => (spec.diceCount)),
average: {
@@ -305,4 +305,10 @@ describe('compound dice', () => {
testDie(die, testSpec)
})
+
+ describe('(2d1)d(2d1)', () => {
+ const die = d(d(constant(2), constant(1)), d(constant(2), constant(1)))
+
+ testDie(die, basicDieTestSpecs(2, 2))
+ })
})
diff --git a/src/dice.js b/src/dice.js
index ead3d16..c8a2572 100644
--- a/src/dice.js
+++ b/src/dice.js
@@ -1,11 +1,15 @@
const constant = n => () => [n]
+const roll = (die) => {
+ return die().reduce((a, b) => (a + b))
+}
+
const d = (number, sides) => {
return () => {
let pool = []
- const currentNumber = number()
- const currentSides = sides()
+ const currentNumber = roll(number)
+ const currentSides = roll(sides)
for (let i = 0; i < currentNumber; i++) {
pool.push(1 + Math.floor(Math.random() * currentSides))
@@ -33,10 +37,6 @@ const subtract = (die1, die2) => {
}
}
-const roll = (die) => {
- return die().reduce((a, b) => (a + b))
-}
-
exports.constant = constant
exports.d = d
exports.add = add