yarn add --dev \
@babel/core \
@babel/cli \
@babel/preset-env \
@babel/preset-typescript \
typescript
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/* Scope is the idea of what can or cannot be seen in your code. Global scope encompasses code | |
that can be seen anywhere in your code, including other files and inside functions. Local scope | |
is code that can be accessed inside the current scope chain level. If you declare a variable inside | |
a function for instance, that variable will not be recognized outside that function. This allows for | |
less buggy code and the reuse of variable names.*/ | |
/* Global variables are to be avoided because they increase the risk of writing buggy code. Functions that | |
rely on global variables can be both indeterminate and has side effects, meaning that the function may not | |
produce the same results given the same input and may also have unintended consequences outside the function | |
itself.*/ |
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function average(numbers) { | |
function getSum(total, num){ | |
return (total + num) | |
} | |
return (numbers.reduce(getSum))/numbers.length | |
} | |
/* From here down, you are not expected to | |
understand.... for now :) | |
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function minusLastItem(array) { | |
return array.slice(0, array.length-1) | |
} | |
function copyFirstHalf(array) { | |
return array.slice(0, array.length/2) | |
} | |
/* From here down, you are not expected to | |
understand.... for now :) |
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function accessFirstItem(array) { | |
const myArray = array | |
return myArray[0] | |
} | |
function accessThirdItem(array) { | |
const myArray = array | |
return myArray[2] | |
} |
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function main() { | |
try { | |
doAllTheThings() | |
} catch(e){ | |
reportError(e) | |
console.dir(e) | |
} | |
} | |
function doAllTheThings() { |
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function isDivisible(divisee, divisor) { | |
return Number.isInteger(divisee / divisor) | |
} | |
/* From here down, you are not expected to | |
understand.... for now :) | |
Nothing to see here! | |
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function shouter(whatToShout) { | |
return `${whatToShout.toUpperCase()}!!!` | |
} | |
/* From here down, you are not expected to | |
understand.... for now :) | |
Nothing to see here! | |
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"use strict"; | |
// Load plugins | |
const autoprefixer = require("autoprefixer"); | |
const browsersync = require("browser-sync").create(); | |
const cp = require("child_process"); | |
const cssnano = require("cssnano"); | |
const del = require("del"); | |
const eslint = require("gulp-eslint"); | |
const gulp = require("gulp"); |
Dear all Github friends,
I moved this gist to the Github repository.
Following this repository https://github.com/nijicha/install_nodejs_and_yarn_homebrew
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