From 498fdd9897caaeaf2bae00c811d56bc2d2aa6a95 Mon Sep 17 00:00:00 2001
From: lee <lee-dasilva@hotmail.com>
Date: Wed, 24 Jun 2020 10:34:40 +0100
Subject: [PATCH] moving js test comments for students

---
 js/tests/all_test.js           | 32 ++++++++++---------
 js/tests/debounce_test.js      | 31 ++++++++++---------
 js/tests/deep-copy_test.js     | 56 +++++++++++++++++++++-------------
 js/tests/dr-strange_test.js    |  2 +-
 js/tests/for-each_test.js      |  6 ++--
 js/tests/fusion_test.js        | 48 ++++++++++++++++-------------
 js/tests/get-json_test.js      | 22 ++++++-------
 js/tests/gougle-search_test.js | 16 +++++-----
 js/tests/interpolation_test.js | 24 +++++++--------
 js/tests/invert_test.js        | 14 +++++----
 js/tests/is-winner_test.js     | 40 ++++++++++++------------
 js/tests/neuron_test.js        | 33 ++++++++++----------
 js/tests/pronoun_test.js       | 28 ++++++++---------
 js/tests/race_test.js          | 40 +++++++++++++-----------
 js/tests/replica_test.js       | 56 +++++++++++++++++++---------------
 js/tests/throttle_test.js      | 48 +++++++++++++++++------------
 subjects/debounce/README.md    |  2 +-
 17 files changed, 274 insertions(+), 224 deletions(-)

diff --git a/js/tests/all_test.js b/js/tests/all_test.js
index a5add341..eabf1b25 100644
--- a/js/tests/all_test.js
+++ b/js/tests/all_test.js
@@ -3,45 +3,49 @@ Promise.all = undefined
 export const tests = []
 const t = (f) => tests.push(f)
 
-// it should work with an empty object
-t(async ({ eq }) => eq(await all({}), {}))
+t(async ({ eq }) =>
+  // it should work with an empty object
+  eq(await all({}), {})
+)
 
-// it should work with synchronous values
-t(async ({ eq }) => eq(await all({ a: 1, b: true }), { a: 1, b: true }))
+t(async ({ eq }) =>
+  // it should work with synchronous values
+  eq(await all({ a: 1, b: true }), { a: 1, b: true })
+)
 
-// it should work with pending promises
 t(async ({ eq }) =>
+  // it should work with pending promises
   eq(
     await all({
       a: Promise.resolve(1),
       b: Promise.resolve(true),
     }),
-    { a: 1, b: true },
-  ),
+    { a: 1, b: true }
+  )
 )
 
-// it should work with pending promises and synchronous values
 t(async ({ eq, ctx }) =>
+  // it should work with pending promises and synchronous values
   eq(
     await all(
       Object.freeze({
         a: Promise.resolve(ctx).then((v) => v + 1),
         b: ctx,
-      }),
+      })
     ),
-    { a: ctx + 1, b: ctx },
-  ),
+    { a: ctx + 1, b: ctx }
+  )
 )
 
-// it should fail if one of the promises reject
 t(async ({ eq }) =>
+  // it should fail if one of the promises reject
   eq(
     await all({
       a: Promise.resolve(1),
       b: Promise.reject(Error('oops')),
     }).catch((err) => err.message),
-    'oops',
-  ),
+    'oops'
+  )
 )
 
 Object.freeze(tests)
diff --git a/js/tests/debounce_test.js b/js/tests/debounce_test.js
index 44d8a140..bbd17f78 100644
--- a/js/tests/debounce_test.js
+++ b/js/tests/debounce_test.js
@@ -16,43 +16,44 @@ const run = (callback, { delay, count }) =>
     }, delay * count)
   })
 
-// test with debounce wait limit inferior to wait time call (how much time we wait to the function be called again)
-// it works concurrently
 t(async ({ eq }) =>
+  // test with debounce wait limit inferior to wait time call (how much time we wait to the function be called again)
+  // it works concurrently
   eq(
     await Promise.all([
       run(debounce(add, 5), { delay: 10, count: 5 }),
       run(debounce(add, 2), { delay: 5, count: 10 }),
     ]),
-    [4, 9],
-  ),
+    [4, 9]
+  )
+)
+t(async ({ eq }) =>
+  // testing with wait limit superior to wait time call
+  // execution on the trailing edge, after wait limit has elapsed
+  eq(await run(debounce(add, 10), { delay: 5, count: 5 }), 0)
 )
-// testing with wait limit superior to wait time call
-// execution on the trailing edge, after wait limit has elapsed
-t(async ({ eq }) => eq(await run(debounce(add, 10), { delay: 5, count: 5 }), 0))
 
-// leading edge as false
-// it works concurrently
 t(async ({ eq }) =>
+  // it works concurrently
   eq(
     await Promise.all([
       run(opDebounce(add, 4), { delay: 2, count: 5 }),
       run(opDebounce(add, 4), { delay: 2, count: 2 }),
     ]),
-    [0, 0],
-  ),
+    [0, 0]
+  )
 )
 
-// leading edge as true
-// it works concurrently
 t(async ({ eq }) =>
+  // leading edge as true
+  // it works concurrently
   eq(
     await Promise.all([
       run(opDebounce(add, 20, { leading: true }), { delay: 7, count: 3 }),
       run(opDebounce(add, 10, { leading: true }), { delay: 14, count: 3 }),
     ]),
-    [1, 3],
-  ),
+    [1, 3]
+  )
 )
 
 Object.freeze(tests)
diff --git a/js/tests/deep-copy_test.js b/js/tests/deep-copy_test.js
index 8b5fd537..8370e2d0 100644
--- a/js/tests/deep-copy_test.js
+++ b/js/tests/deep-copy_test.js
@@ -1,29 +1,43 @@
 export const tests = []
 const t = (f) => tests.push(f)
 
-// simple object
-t(({ eq }) => copyAndCompare(eq, { user: 'mika', age: 37 }))
+t(({ eq }) =>
+  // simple object
+  copyAndCompare(eq, { user: 'mika', age: 37 })
+)
+
+t(({ eq }) =>
+  // simple array
+  copyAndCompare(eq, [1, 'a'])
+)
+
+t(({ eq }) =>
+  // works with any value type
+  copyAndCompare(eq, [console.log, /hello/])
+)
+
+t(({ eq }) =>
+  // nesting object
+  copyAndCompare(eq, { a: { b: { c: 1 } } })
+)
+
+t(({ eq }) =>
+  // nesting array
+  copyAndCompare(eq, [1, [2, [true]]])
+)
+
+t(({ eq }) =>
+  // mixed nesting
+  copyAndCompare(eq, [{ a: () => {} }, ['b', { b: [3] }]])
+)
+
+t(({ eq }) =>
+  // undefined value
+  copyAndCompare(eq, { undef: undefined })
+)
 
-// simple array
-t(({ eq }) => copyAndCompare(eq, [1, 'a']))
-
-// works with any value type
-t(({ eq }) => copyAndCompare(eq, [console.log, /hello/]))
-
-// nesting object
-t(({ eq }) => copyAndCompare(eq, { a: { b: { c: 1 } } }))
-
-// nesting array
-t(({ eq }) => copyAndCompare(eq, [1, [2, [true]]]))
-
-// mixed nesting
-t(({ eq }) => copyAndCompare(eq, [{ a: () => {} }, ['b', { b: [3] }]]))
-
-// undefined value
-t(({ eq }) => copyAndCompare(eq, { undef: undefined }))
-
-// check deep freeze (caution: might stuns a target for 4 seconds)
 t(({ eq }) => {
+  // check deep freeze (caution: might stuns a target for 4 seconds)
   const r = Math.random()
   const obj = [r, Object.freeze([r, Object.freeze([r])])]
   const copy = deepCopy(obj)
diff --git a/js/tests/dr-strange_test.js b/js/tests/dr-strange_test.js
index c62b0f13..f1d6008c 100644
--- a/js/tests/dr-strange_test.js
+++ b/js/tests/dr-strange_test.js
@@ -27,8 +27,8 @@ t(() => addWeek(new Date('1995-11-07')) === 'Tuesday')
 t(() => addWeek(new Date('2020-01-01')) === 'Wednesday')
 t(() => addWeek(new Date('2048-12-07')) === 'Monday')
 
-// random time traveling
 t(({ eq }) =>
+// random time traveling
   eq(
     timeTravel({
       date: new Date('2020-05-29 23:25:22'),
diff --git a/js/tests/for-each_test.js b/js/tests/for-each_test.js
index ab7dcaa3..6c9df409 100644
--- a/js/tests/for-each_test.js
+++ b/js/tests/for-each_test.js
@@ -9,22 +9,22 @@ export const setup = () => {
   return { arr }
 }
 
-// callback is call with the item value
 t(({ eq, ctx }) => {
+  // callback is call with the item value
   const result = []
   forEach(ctx.arr, (value) => result.push(value))
   return eq(result, ctx.arr)
 })
 
-// callback second parameter is the index
 t(({ eq, ctx }) => {
+  // callback second parameter is the index
   const result = []
   forEach(ctx.arr, (_, index) => result.push(index))
   return eq(result, [...ctx.arr.keys()])
 })
 
-// callback third parameter is the array
 t(({ eq, ctx }) => {
+  // callback third parameter is the array
   const result = []
   forEach(ctx.arr, (_, __, arr) => result.push(arr))
   return eq(result, Array(ctx.arr.length).fill(ctx.arr))
diff --git a/js/tests/fusion_test.js b/js/tests/fusion_test.js
index d767b0f7..1a49e610 100644
--- a/js/tests/fusion_test.js
+++ b/js/tests/fusion_test.js
@@ -8,38 +8,44 @@ t(({ eq }) => eq(fusion({ nbr: 12 }, { nbr: 23 }).nbr, 35))
 t(({ eq }) => eq(fusion({ nbr: 0 }, { nbr: 23 }).nbr, 23))
 t(({ eq }) => eq(fusion({ nbr: 23 }, { nbr: 0 }).nbr, 23))
 
-// multiply numbers
 t(({ eq }) =>
-  eq(fusion({ a: 12, b: 2, c: 43 }, { a: 23, b: 2 }), { a: 35, b: 4, c: 43 }),
+  // multiply numbers
+  eq(fusion({ a: 12, b: 2, c: 43 }, { a: 23, b: 2 }), { a: 35, b: 4, c: 43 })
 )
 
-// simple string
-t(({ eq }) => eq(fusion({ str: 'hello' }, { str: 'there' }).str, 'hello there'))
+t(({ eq }) =>
+  // simple string
+  eq(fusion({ str: 'hello' }, { str: 'there' }).str, 'hello there')
+)
 
-// handle empty strings
-t(({ eq }) => eq(fusion({ str: 'hello' }, { str: '' }).str, 'hello '))
+t(({ eq }) =>
+  // handle empty strings
+  eq(fusion({ str: 'hello' }, { str: '' }).str, 'hello ')
+)
 
-// multiple strings
 t(({ eq }) =>
+  // multiple strings
   eq(fusion({ a: 'A', b: 'B', c: 'C' }, { a: 'B', b: 'C' }), {
     a: 'A B',
     b: 'B C',
     c: 'C',
-  }),
+  })
 )
 
-// simple arrays
-t(({ eq }) => eq(fusion({ arr: [1, '2'] }, { arr: [2] }).arr, [1, '2', 2]))
+t(({ eq }) =>
+  // simple arrays
+  eq(fusion({ arr: [1, '2'] }, { arr: [2] }).arr, [1, '2', 2])
+)
 
-// multiple arrays
 t(({ eq }) =>
+  // multiple arrays
   eq(
     fusion(
       { arr: [], arr1: [1] },
-      { arr: [12, 3], arr1: [2, 3], arr2: ['2', '1'] },
+      { arr: [12, 3], arr1: [2, 3], arr2: ['2', '1'] }
     ),
-    { arr: [12, 3], arr1: [1, 2, 3], arr2: ['2', '1'] },
-  ),
+    { arr: [12, 3], arr1: [1, 2, 3], arr2: ['2', '1'] }
+  )
 )
 
 // different matching
@@ -48,23 +54,23 @@ t(({ eq }) => eq(fusion({ a: 1 }, { a: { b: 1 } }).a, { b: 1 }))
 t(({ eq }) => eq(fusion({ a: [1, 2] }, { a: 1 }).a, 1))
 t(({ eq }) => eq(fusion({ a: 'str' }, { a: 1 }).a, 1))
 
-// deep nested objects
 t(({ eq }) =>
+  // deep nested objects
   eq(
     fusion(
       { a: { b: [1, 2], c: { d: 2 } } },
-      { a: { b: [0, 2, 1], c: { d: 23 } } },
+      { a: { b: [0, 2, 1], c: { d: 23 } } }
     ),
-    { a: { b: [1, 2, 0, 2, 1], c: { d: 25 } } },
-  ),
+    { a: { b: [1, 2, 0, 2, 1], c: { d: 25 } } }
+  )
 )
 
-// object mutability
 t(({ eq }) =>
+  // object mutability
   eq(
     fusion(Object.freeze({ a: { b: 1 } }), Object.freeze({ a: { b: 2 } })).a.b,
-    3,
-  ),
+    3
+  )
 )
 
 // other types
diff --git a/js/tests/get-json_test.js b/js/tests/get-json_test.js
index 805f8f1c..3c8a457d 100644
--- a/js/tests/get-json_test.js
+++ b/js/tests/get-json_test.js
@@ -10,60 +10,60 @@ const fakeFetch = async ({ data, error, ...opts } = {}) => ({
   ...opts,
 })
 
-// check url parsing
 t(async ({ eq }) => {
+  // check url parsing
   let url
   fetch = async (arg) => fakeFetch({ url: (url = arg) })
   const pending = getJSON('/test', { query: 'hello world', b: 5 })
   return eq(url, '/test?query=hello%20world&b=5')
 })
 
-// check that it return the given value
 t(async ({ eq }) => {
+  // check that it return the given value
   const data = Math.random()
   fetch = (url) => fakeFetch({ url, data })
   return eq(await getJSON('/', { q: 1 }), data)
 })
 
-// check that it throw an error with the correct message
 t(async ({ eq }) => {
+  // check that it throw an error with the correct message
   const error = `oops: ${Math.random()}`
   fetch = (url) => fakeFetch({ url, error })
 
   return eq(
     await getJSON('/', { q: 1 }).then(
       () => Promise.reject(Error('Should fail')),
-      (err) => err.message,
+      (err) => err.message
     ),
-    error,
+    error
   )
 })
 
-// check that it throw if the request is not ok
 t(async ({ eq }) => {
+  // check that it throw if the request is not ok
   fetch = (url) =>
     fakeFetch({ url, status: 500, statusText: 'Internal Server Error' })
 
   return eq(
     await getJSON('/', { q: 1 }).then(
       () => Promise.reject(Error('Should fail')),
-      (err) => err.message,
+      (err) => err.message
     ),
-    'Internal Server Error',
+    'Internal Server Error'
   )
 })
 
-// if fetch fail, the error should not be handled
 t(async ({ eq }) => {
+  // if fetch fail, the error should not be handled
   const error = `oops: ${Math.random()}`
   fetch = (url) => Promise.reject(Error(error))
 
   return eq(
     await getJSON('/', { q: 1 }).then(
       () => Promise.reject(Error('Should fail')),
-      (err) => err.message,
+      (err) => err.message
     ),
-    error,
+    error
   )
 })
 
diff --git a/js/tests/gougle-search_test.js b/js/tests/gougle-search_test.js
index 856f2d6e..d7167a7c 100644
--- a/js/tests/gougle-search_test.js
+++ b/js/tests/gougle-search_test.js
@@ -4,20 +4,20 @@ let getJSON = async (url) => url
 export const tests = []
 const t = (f) => tests.push(f)
 
-// queryServers with main server be fastest
 t(async ({ eq, ctx }) => {
+  // queryServers with main server be fastest
   ctx.setTimings({ pouet_backup: 2 })
   return eq(await queryServers('pouet', ctx.r), `/pouet?q=${ctx.r}`)
 })
 
-// queryServers with backup server be fastest
 t(async ({ eq, ctx }) => {
+  // queryServers with backup server be fastest
   ctx.setTimings({ pouet: 2 })
   return eq(await queryServers('pouet', ctx.r), `/pouet_backup?q=${ctx.r}`)
 })
 
-// gougleSearch fast enough
 t(async ({ eq, ctx }) => {
+  // gougleSearch fast enough
   ctx.setTimings({ web_backup: 3, image: 2, video_backup: 4 })
   return eq(await gougleSearch(ctx.r), {
     web: `/web?q=${ctx.r}`,
@@ -26,8 +26,8 @@ t(async ({ eq, ctx }) => {
   })
 })
 
-// gougleSearch fast enough, alternate timings
 t(async ({ eq, ctx }) => {
+  // gougleSearch fast enough, alternate timings
   ctx.setTimings({ web: 3, image_backup: 1, video: 4 })
   return eq(await gougleSearch(ctx.r), {
     web: `/web_backup?q=${ctx.r}`,
@@ -36,15 +36,15 @@ t(async ({ eq, ctx }) => {
   })
 })
 
-// gougleSearch too slow !
 t(async ({ eq, ctx }) => {
+  // gougleSearch too slow !
   ctx.setTimings({ web: 85, web_backup: 99 })
   return eq(
     await gougleSearch(ctx.r).then(
       () => Promise.reject(Error('Should fail')),
-      (err) => err.message,
+      (err) => err.message
     ),
-    'timeout',
+    'timeout'
   )
 })
 
@@ -55,6 +55,6 @@ export const setup = () => ({
   setTimings: (timings) =>
     (getJSON = (url) =>
       new Promise((s) =>
-        setTimeout(s, timings[url.split(/\/([^?]+)?/)[1]] || 0, url),
+        setTimeout(s, timings[url.split(/\/([^?]+)?/)[1]] || 0, url)
       )),
 })
diff --git a/js/tests/interpolation_test.js b/js/tests/interpolation_test.js
index cc49a643..ed75a789 100644
--- a/js/tests/interpolation_test.js
+++ b/js/tests/interpolation_test.js
@@ -10,14 +10,14 @@ const run = async ({ step, start, end, duration, waitTime = 15 }) => {
   return arr
 }
 
-// testing duration time, forbid loops
 t(async ({ eq }) => {
+  // testing duration time, forbid loops
   const { length } = await run({ step: 5, start: 0, end: 4, duration: 28 })
   return eq(length, 2)
 })
 
-// testing duration time stamp
 t(async ({ eq }) => {
+  // testing duration time stamp
   const { length } = await run({
     step: 5,
     start: 0,
@@ -28,34 +28,34 @@ t(async ({ eq }) => {
   return eq(length, 0)
 })
 
-// testing the amount of times the callback was called
 t(async ({ eq }) => {
+  // testing the amount of times the callback was called
   const { length } = await run({ step: 5, start: 0, end: 1, duration: 10 })
   return eq(length, 5)
 })
 
-// testing the interpolation points
 t(async ({ eq }) =>
+  // testing the interpolation points
   eq(await run({ step: 5, start: 0, end: 1, duration: 10 }), [
     [0, 2],
     [0.2, 4],
     [0.4, 6],
     [0.6, 8],
     [0.8, 10],
-  ]),
+  ])
 )
 
-// testing with different values
 t(async ({ eq }) =>
+  // testing with different values
   eq(await run({ step: 3, start: 1, end: 2, duration: 10 }), [
     [1, 3.33],
     [1.33, 6.67],
     [1.67, 10],
-  ]),
+  ])
 )
 
-// testing with `duration` inferior to `step`
 t(async ({ eq }) =>
+  // testing with `duration` inferior to `step`
   eq(await run({ step: 10, start: 2, end: 6, duration: 4 }), [
     [2, 0.4],
     [2.4, 0.8],
@@ -67,19 +67,19 @@ t(async ({ eq }) =>
     [4.8, 3.2],
     [5.2, 3.6],
     [5.6, 4],
-  ]),
+  ])
 )
 
-// testing with `start` superior to `end`
-// inverted straight line
 t(async ({ eq }) =>
+  // testing with `start` superior to `end`
+  // inverted straight line
   eq(await run({ step: 5, start: 6, end: 2, duration: 6, waitTime: 10 }), [
     [6, 1.2],
     [5.2, 2.4],
     [4.4, 3.6],
     [3.6, 4.8],
     [2.8, 6],
-  ]),
+  ])
 )
 
 Object.freeze(tests)
diff --git a/js/tests/invert_test.js b/js/tests/invert_test.js
index 78e07874..6fa3f93b 100644
--- a/js/tests/invert_test.js
+++ b/js/tests/invert_test.js
@@ -10,11 +10,11 @@ t(({ eq }) =>
     John: 'firstName',
     Doe: 'lastName',
     32: 'age',
-  }),
+  })
 )
 
-// Last similar value should override the others
 t(({ eq }) =>
+  // Last similar value should override the others
   eq(
     invert({ brand: 'ford', motor: 'v8', year: 2000, fast: true, eco: true }),
     {
@@ -22,11 +22,13 @@ t(({ eq }) =>
       v8: 'motor',
       2000: 'year',
       true: 'eco',
-    },
-  ),
+    }
+  )
 )
 
-// It should ignore properties from the prototype chain
-t(({ eq }) => eq(invert({ f: 5, __proto__: { d: 6 } }), { 5: 'f' }))
+t(({ eq }) =>
+  // It should ignore properties from the prototype chain
+  eq(invert({ f: 5, __proto__: { d: 6 } }), { 5: 'f' })
+)
 
 Object.freeze(tests)
diff --git a/js/tests/is-winner_test.js b/js/tests/is-winner_test.js
index 9f729035..d355c3e2 100644
--- a/js/tests/is-winner_test.js
+++ b/js/tests/is-winner_test.js
@@ -57,52 +57,54 @@ const db = (() => {
 export const tests = []
 const t = (f) => tests.push(f)
 
-// testing correct continent but wrong number of times
 t(async ({ eq }) =>
+  // testing correct continent but wrong number of times
   eq(
     await isWinner('England'),
-    'England is not what we are looking for because of the number of times it was champion',
-  ),
+    'England is not what we are looking for because of the number of times it was champion'
+  )
 )
 
-// testing non winner country
 t(async ({ eq }) =>
-  eq(await isWinner('Colombia'), 'Colombia never was a winner'),
+  // testing non winner country
+  eq(await isWinner('Colombia'), 'Colombia never was a winner')
 )
 
-// testing wrong continent country
 t(async ({ eq }) =>
+  // testing wrong continent country
   eq(
     await isWinner('Uruguay'),
-    'Uruguay is not what we are looking for because of the continent',
-  ),
+    'Uruguay is not what we are looking for because of the continent'
+  )
 )
 
-// testing no country
-t(async ({ eq }) => eq(await isWinner(''), ' never was a winner'))
+t(async ({ eq }) =>
+  // testing no country
+  eq(await isWinner(''), ' never was a winner')
+)
 
-// testing correct number of times but wrong continent
 t(async ({ eq }) =>
+  // testing correct number of times but wrong continent
   eq(
     await isWinner('Brazil'),
-    'Brazil is not what we are looking for because of the continent',
-  ),
+    'Brazil is not what we are looking for because of the continent'
+  )
 )
 
-// testing correct number of times and correct continent
 t(async ({ eq }) =>
+  // testing correct number of times and correct continent
   eq(
     await isWinner('Germany'),
-    'Germany won the FIFA World Cup in 1954, 1974, 1990, 2014 winning by 3-2, 2-1, 1-0, 1-0',
-  ),
+    'Germany won the FIFA World Cup in 1954, 1974, 1990, 2014 winning by 3-2, 2-1, 1-0, 1-0'
+  )
 )
 
-// testing correct number of times and correct continent, for the fake country
 t(async ({ eq, ctx }) =>
+  // testing correct number of times and correct continent, for the fake country
   eq(
     await isWinner(ctx.name),
-    `${ctx.name} won the FIFA World Cup in 2022, 2026, 2030 winning by 1-0, 3-1, 2-1`,
-  ),
+    `${ctx.name} won the FIFA World Cup in 2022, 2026, 2030 winning by 1-0, 3-1, 2-1`
+  )
 )
 
 Object.freeze(tests)
diff --git a/js/tests/neuron_test.js b/js/tests/neuron_test.js
index 777309ff..4f05e342 100644
--- a/js/tests/neuron_test.js
+++ b/js/tests/neuron_test.js
@@ -4,17 +4,16 @@ const t = (f) => tests.push(f)
 // empty dataset
 t(({ eq }) => eq(neuron([]), {}))
 
-// simple dataset
 t(({ eq }) =>
+  // simple dataset
   eq(
-    neuron(['Orders: shutdown please! - Response: no!']).orders
-      .shutdown_please,
-    { order: 'shutdown please!', responses: ['no!'] },
-  ),
+    neuron(['Orders: shutdown please! - Response: no!']).orders.shutdown_please,
+    { order: 'shutdown please!', responses: ['no!'] }
+  )
 )
 
-// multiple questions
 t(({ eq }) =>
+  // multiple questions
   eq(
     neuron([
       'Questions: what is life? - Response: The condition that distinguishes animals and plants from inorganic matter',
@@ -26,12 +25,12 @@ t(({ eq }) =>
         'The condition that distinguishes animals and plants from inorganic matter',
         'Life is a characteristic that distinguishes physical entities that have biological processes',
       ],
-    },
-  ),
+    }
+  )
 )
 
-// multiple interactions
 t(({ eq, ctx }) =>
+  // multiple interactions
   eq(
     neuron([
       'Questions: how are you? - Response: well thanks, and you?',
@@ -39,12 +38,12 @@ t(({ eq, ctx }) =>
       'affirmations: i am fine - Response: awesome',
       'Orders: turn on the lights! - Response: done',
     ]),
-    ctx.multiInteractions,
-  ),
+    ctx.multiInteractions
+  )
 )
 
-// out of order
 t(({ eq, ctx }) =>
+  // out of order
   eq(
     neuron([
       'Questions: how are you? - Response: well thanks, and you?',
@@ -52,12 +51,14 @@ t(({ eq, ctx }) =>
       'Orders: turn on the lights! - Response: done',
       'affirmations: i am fine - Response: awesome',
     ]),
-    ctx.multiInteractions,
-  ),
+    ctx.multiInteractions
+  )
 )
 
-// testing big dataset
-t(({ eq, ctx }) => eq(neuron(ctx.multipleTypes), ctx.multResult))
+t(({ eq, ctx }) =>
+  // testing big dataset
+  eq(neuron(ctx.multipleTypes), ctx.multResult)
+)
 
 Object.freeze(tests)
 
diff --git a/js/tests/pronoun_test.js b/js/tests/pronoun_test.js
index 46128f6e..9de2d93f 100644
--- a/js/tests/pronoun_test.js
+++ b/js/tests/pronoun_test.js
@@ -1,18 +1,18 @@
 export const tests = []
 const t = (f) => tests.push(f)
 
-// no pronouns
 t(({ eq }) =>
+  // no pronouns
   eq(
     pronoun(`Your reducer function's returned value is assigned to the accumulator,
 whose value is remembered across each iteration throughout the array and
 ultimately becomes the final, single resulting value.`),
-    {},
-  ),
+    {}
+  )
 )
 
-// simple count
 t(({ eq }) =>
+  // simple count
   eq(
     pronoun(`The seal method seals an object, preventing new properties from being
  added to it and marking all existing properties as non-configurable. Values of present 
@@ -20,39 +20,39 @@ properties can still be changed as long as they are writable.`),
     {
       it: { word: ['and'], count: 1 },
       they: { word: ['are'], count: 1 },
-    },
-  ),
+    }
+  )
 )
 
-// multiple pronouns
 t(({ eq }) =>
+  // multiple pronouns
   eq(pronoun('I buy,\ni to,\nYOU buy,\nit have,\nIt buys,\nit is,\nyou go'), {
     i: { word: ['buy', 'to'], count: 2 },
     you: { word: ['buy', 'go'], count: 2 },
     it: { word: ['have', 'buys', 'is'], count: 3 },
-  }),
+  })
 )
 
-// repetition of pronouns
 t(({ eq }) =>
+  // repetition of pronouns
   eq(pronoun(`it i it she is gone`), {
     it: { word: [], count: 2 },
     i: { word: [], count: 1 },
     she: { word: ['is'], count: 1 },
-  }),
+  })
 )
 
-// repetition of same pronoun
 t(({ eq }) =>
-  eq(pronoun('she she she she is'), { she: { word: ['is'], count: 4 } }),
+  // repetition of same pronoun
+  eq(pronoun('she she she she is'), { she: { word: ['is'], count: 4 } })
 )
 
-// pronoun with out verb
 t(({ eq }) =>
+  // pronoun with out verb
   eq(pronoun('we will rock you'), {
     we: { word: ['will'], count: 1 },
     you: { word: [], count: 1 },
-  }),
+  })
 )
 
 Object.freeze(tests)
diff --git a/js/tests/race_test.js b/js/tests/race_test.js
index d9e4c6d6..d971a9c7 100644
--- a/js/tests/race_test.js
+++ b/js/tests/race_test.js
@@ -4,62 +4,66 @@ export const tests = []
 const t = (f) => tests.push(f)
 
 //// RACE
-// empty array should never resolve, just hang, forever...
 t(async ({ eq, wait }) => {
+  // empty array should never resolve, just hang, forever...
   let notCalled = true
   race([]).then(() => (notCalled = false))
   await wait(5)
   return eq(notCalled, true)
 })
 
-// it should return the first value to resolve
 t(async ({ eq, wait }) =>
-  eq(await race([Promise.resolve(2), wait(5).then(() => 5)]), 2),
+  // it should return the first value to resolve
+  eq(await race([Promise.resolve(2), wait(5).then(() => 5)]), 2)
 )
 
-// it should not wait for every results to wait
 t(async ({ eq, wait }) => {
+  // it should not wait for every results to wait
   const start = Date.now()
   const result = await race([Promise.resolve(2), wait(50)])
   if (Date.now() - start > 5) throw Error("that's too long !")
   return eq(result, 2)
 })
 
-// it should fail if the first promise reject
 t(async ({ eq, wait }) =>
+  // it should fail if the first promise reject
   eq(
     await race([wait(5), Promise.reject(Error('oops'))]).catch(
-      (err) => err.message,
+      (err) => err.message
     ),
-    'oops',
-  ),
+    'oops'
+  )
 )
 
-// it should not fail if the first promise did not reject
 t(async ({ eq, wait, ctx }) =>
+  // it should not fail if the first promise did not reject
   eq(
     await race([
       wait(5).then(() => Promise.reject(Error('oops'))),
       Promise.resolve(ctx),
     ]).catch((err) => err.message),
-    ctx,
-  ),
+    ctx
+  )
 )
 
 //// SOME
-// empty array returns an empty array
-t(async ({ eq }) => eq(await some([], 10), []))
+t(async ({ eq }) =>
+  // empty array returns an empty array
+  eq(await some([], 10), [])
+)
 
-// a count of less than 1 also returns an empty array
-t(async ({ eq }) => eq(await some([1, 2, 3], 0), []))
+t(async ({ eq }) =>
+  // a count of less than 1 also returns an empty array
+  eq(await some([1, 2, 3], 0), [])
+)
 
-// it should return the first value to resolve
 t(async ({ eq, wait }) =>
-  eq(await some([Promise.resolve(2), wait(5).then(() => 5)], 1), [2]),
+  // it should return the first value to resolve
+  eq(await some([Promise.resolve(2), wait(5).then(() => 5)], 1), [2])
 )
 
-// it should not wait for every results to wait, the order should be preserved.
 t(async ({ eq, wait }) => {
+  // it should not wait for every results to wait, the order should be preserved.
   const start = Date.now()
   const result = await some([wait(1), wait(50), Promise.resolve(5)], 2)
   if (Date.now() - start > 5) throw Error("that's too long !")
diff --git a/js/tests/replica_test.js b/js/tests/replica_test.js
index 2c2a1d6d..1d554eec 100644
--- a/js/tests/replica_test.js
+++ b/js/tests/replica_test.js
@@ -1,64 +1,72 @@
 export const tests = []
 const t = (f) => tests.push(f)
 
-// objects mutability
 t(({ eq }) =>
+  // objects mutability
   eq(
     replica(
       {},
       Object.freeze({ line: 'Replicants are like any other machine' }),
-      Object.freeze({ author: 'Rich' }),
+      Object.freeze({ author: 'Rich' })
     ),
-    { line: 'Replicants are like any other machine', author: 'Rich' },
-  ),
+    { line: 'Replicants are like any other machine', author: 'Rich' }
+  )
 )
 
-// different value types
 t(({ eq }) =>
+  // different value types
   eq(replica({ con: console.log }, { reg: /hello/ }), {
     con: console.log,
     reg: /hello/,
-  }),
+  })
 )
 
-// primitive into an object
-t(({ eq }) => eq(replica({ a: 4 }, { a: { b: 1 } }).a.b, 1))
+t(({ eq }) =>
+  // primitive into an object
+  eq(replica({ a: 4 }, { a: { b: 1 } }).a.b, 1)
+)
 
-// nested array into a primitive
 t(({ eq }) =>
+  // nested array into a primitive
   eq(
     replica({ a: { b: { c: [123, 1] } } }, { a: { b: { c: '1' } } }).a.b.c,
-    '1',
-  ),
+    '1'
+  )
 )
 
-// primitive into an array
-t(({ eq }) => eq(replica({ a: 2 }, { a: [4] }).a, [4]))
+t(({ eq }) =>
+  // primitive into an array
+  eq(replica({ a: 2 }, { a: [4] }).a, [4])
+)
 
-// object into an array
-t(({ eq }) => eq(replica({ a: { b: [2] } }, { a: [4] }).a, [4]))
+t(({ eq }) =>
+  // object into an array
+  eq(replica({ a: { b: [2] } }, { a: [4] }).a, [4])
+)
 
-// array into an object
-t(({ eq }) => eq(replica({ a: [1, 2, 4] }, { a: { b: [4] } }).a, { b: [4] }))
+t(({ eq }) =>
+  // array into an object
+  eq(replica({ a: [1, 2, 4] }, { a: { b: [4] } }).a, { b: [4] })
+)
 
-// nested objects
 t(({ eq }) =>
-  eq(replica({ a: { b: 1, c: 2 } }, { a: { c: 23 } }), { a: { b: 1, c: 23 } }),
+  // nested objects
+  eq(replica({ a: { b: 1, c: 2 } }, { a: { c: 23 } }), { a: { b: 1, c: 23 } })
 )
 
-// super nested objects
-// letter+number indicates the depth
 t(({ eq }) =>
+  // super nested objects
+  // letter+number indicates the depth
   eq(
     replica(
       {},
       { a: { b1: 1, c1: 2 } },
       { a: { b1: { d2: 1, e2: 2 } } },
       { a: { b1: { d2: { f3: 1, h3: 1 }, e2: { g3: 2 } } } },
-      { a: { b1: { d2: { f3: { i4: 1 }, h3: 1 }, e2: { g3: 2 } } } },
+      { a: { b1: { d2: { f3: { i4: 1 }, h3: 1 }, e2: { g3: 2 } } } }
     ),
-    { a: { b1: { d2: { f3: { i4: 1 }, h3: 1 }, e2: { g3: 2 } }, c1: 2 } },
-  ),
+    { a: { b1: { d2: { f3: { i4: 1 }, h3: 1 }, e2: { g3: 2 } }, c1: 2 } }
+  )
 )
 
 Object.freeze(tests)
diff --git a/js/tests/throttle_test.js b/js/tests/throttle_test.js
index 6db6c2c0..0a695384 100644
--- a/js/tests/throttle_test.js
+++ b/js/tests/throttle_test.js
@@ -12,50 +12,58 @@ const run = (callback, callLimit, nbr) =>
     }, callLimit * nbr)
   })
 
-// wait 26ms and execute 4 times every 16ms, executes with a wait time of 26
-t(async ({ eq }) => eq(await run(throttle(add, 26), 16, 4), 2))
+t(async ({ eq }) =>
+  // wait 26ms and execute 4 times every 16ms, executes with a wait time of 26
+  eq(await run(throttle(add, 26), 16, 4), 2)
+)
 
-// wait 20ms and execute 2 times every 10ms, executes with a wait time of 26
-t(async ({ eq }) => eq(await run(throttle(add, 20), 10, 2), 1))
+t(async ({ eq }) =>
+  // wait 20ms and execute 2 times every 10ms, executes with a wait time of 26
+  eq(await run(throttle(add, 20), 10, 2), 1)
+)
 
-// wait 16ms and execute 5 times every 26ms, will execute with out waiting
-t(async ({ eq }) => eq(await run(throttle(add, 16), 26, 5), 4))
+t(async ({ eq }) =>
+  // wait 16ms and execute 5 times every 26ms, will execute with out waiting
+  eq(await run(throttle(add, 16), 26, 5), 4)
+)
 
-// it works concurently
 t(async ({ eq }) =>
+  // it works concurently
   eq(
     await Promise.all([
       run(throttle(add, 16), 26, 5),
       run(throttle(add, 16), 26, 5),
     ]),
-    [4, 4],
-  ),
+    [4, 4]
+  )
 )
 
-// tests the trailing option
 t(async ({ eq }) =>
-  eq(await run(opThrottle(add, 26, { trailing: true }), 16, 4), 1),
+  // tests the trailing option
+  eq(await run(opThrottle(add, 26, { trailing: true }), 16, 4), 1)
 )
 
-// tests the leading option with wait time in the leading edge of the timeout
 t(async ({ eq }) =>
-  eq(await run(opThrottle(add, 15, { leading: true }), 10, 10), 5),
+  // tests the leading option with wait time in the leading edge of the timeout
+  eq(await run(opThrottle(add, 15, { leading: true }), 10, 10), 5)
 )
 
-// tests the leading option with wait time not in the leading edge of the timeout
 t(async ({ eq }) =>
-  eq(await run(opThrottle(add, 26, { leading: true }), 16, 4), 2),
+  // tests the leading option with wait time not in the leading edge of the timeout
+  eq(await run(opThrottle(add, 26, { leading: true }), 16, 4), 2)
 )
 
-// tests without options
-t(async ({ eq }) => eq(await run(opThrottle(add, 10), 5, 2), 0))
+t(async ({ eq }) =>
+  // tests without options
+  eq(await run(opThrottle(add, 10), 5, 2), 0)
+)
 
-// tests with both options true
 t(async ({ eq }) =>
+  // tests with both options true
   eq(
     await run(opThrottle(add, 26, { trailing: true, leading: true }), 16, 4),
-    2,
-  ),
+    2
+  )
 )
 
 Object.freeze(tests)
diff --git a/subjects/debounce/README.md b/subjects/debounce/README.md
index 92ad3536..e9ae5c7f 100644
--- a/subjects/debounce/README.md
+++ b/subjects/debounce/README.md
@@ -3,10 +3,10 @@
 ### Instructions
 
 Create two functions that will work like `_.debounce` from lodash
+
 - `debounce`, this function doesn't need to take care of the options
 - `opDebounce`, this function will take care of the `leading` options
 
-
 ### Notions
 
 - [lodash.com/docs/4.17.15#debounce](https://lodash.com/docs/4.17.15#debounce)