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https://github.com/wintercounter/phrame

0kb footprint, modular, configurable SASS framework to be used with CSS modules (or not).
https://github.com/wintercounter/phrame

0kbfootprint breakpoint config css-framework css-modules sass sass-framework scheme

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0kb footprint, modular, configurable SASS framework to be used with CSS modules (or not).

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README

        

# Phrame`2`
Modular, configurable SASS framework mostly to be used with CSS modules.

# What **Phrame**`2` offers:
- 0kb footprint
- Multilevel configuration system
- Config references
- Color/Scheme management
- Exposed breakpoint rules
- Easing library
- Helper mixins
- Modules
- No bloat
- Use on existing codebase

# Table of contents

- [Basic setup](#basic-setup)
- [Config system](#config-system)
* [Flow](#flow)
- [Config Management](#config-management)
* [`@function _config(key[, value])`](#function-_configkey-value)
+ [Usage examples](#usage-examples)
- [Override config](#override-config)
- [Merge multiple levels](#merge-multiple-levels)
- [Simplified write](#simplified-write)
* [Built-in Tools](#built-in-tools)
+ [`@function _path($key[, $filename])`](#function-_pathkey-filename)
+ [`@function _scheme($key[, $value])`](#function-_schemekey-value)
+ [`@function _color-library($key[, $value])`](#function-_color-librarykey-value)
+ [`@function _screen($key[, $value])`](#function-_screenkey-value)
+ [`@function _typo($key[, $value])`](#function-_typokey-value)
+ [`@function _em($target, $base)`](#function-_emtarget-base)
+ [`@function _easing($key[, $value])`](#function-_easingkey-value)
* [Referencing keys](#referencing-keys)
- [Mixins](#mixins)
* [`@mixin _triangle($size, $color, $direction)`](#mixin-_trianglesize-color-direction)
* [`@mixin _scrollbar([$overrides])`](#mixin-_scrollbaroverrides)
* [`@mixin _on($breakpoint[, $up-down, $orientation])`](#mixin-_onbreakpoint-up-down-orientation)
- [Modules](#modules)
* [`basic`](#basic)
* [`reset`](#reset)
* [`expose`](#expose)
- [Q&A](#qa)
* [Why Phrame`2`, where is the first one?](#why-phrame2-where-is-the-first-one)
* [Why no more modules (grid, form elements, etc.) and other shiny mixins?](#why-no-more-modules-grid-form-elements-etc-and-other-shiny-mixins)
- [Final words](#final-words)

# Basic setup

```bash
npm install phrame2 --save
```

Now use it:

```scss
// Load the environment (has not output)
@import '~phrame2/core';

// Just a simple reset (optional)
@import '~phrame2/module/reset';

// Some basic styles (optional)
@import '~phrame2/module/basic';

// Expose breakpoints (optional)
@import '~phrame2/module/expose';
```

> **Phrame**`2` related stuff (mixins, functions, etc.) are prefixed with an `_` so **Phrame**`2` won't conflict your codebase.

---

# Config system

The config system uses Sass Maps as a multi dimensional array - since Sass is only able to handle a
single level (looking at you map-get).

With **Phrame**`2` my primary goal was to build a flexible tool to handle multiple
sites/schemes/styles/layouts from one codebase. For this to work I needed a system where it's simple to override the common stuff
and makes easy to switch color schemes for example. To achieve this I've built a flow where you can overwrite
the default configuration.

## Flow

To use such behavior you need to import your own instance of **Phrame**`2` into your codebase.

`Load Phrame2 Env -> Config Overrides -> Output`

Here's a basic structure with the ability to override config values:

```

├── components
│ └── MyAwsomeCmp
│ └── MyAwsomeCmp.js
│ └── MyAwsomeCmp.scss

└── scss
├── core.scss
└── config.scss

```

With these contents (and flow backwords to the root):

`MyAwsomeCmp.js`
```js
import styles from './MyAwesomeCmp.scss'
```

`MyAwsomeCmp.scss`
```scss
// Always import this `core` instead of Phrame2 directly
@import '../../scss/core';

body {
background-color: _scheme('body.bg');
font-size: _config('size.large');

@include _on('mobile') {
background-color: _scheme('body.bg-on-mobile');
font-size: _config('size.sub-sizes.small');
}
}
```

`core.scss`
```scss
@import '~phrame2/core';
@import './config';
```

`config.scss`
```scss
// $_ is just a temporary assignment
// because this is how functions work in Sass
$_: _config('size', (
'small': 3.0em,
'big': 8.0em,
'large': 1.4em,
'sub-sizes': (
'small': 1.0em,
'big': 2.0em,
'large': 3.4em
)
));
```

# Config Management
In case you're building a multi-(site/color) solution, or just need to make
the environment configurable, you may end up having multiple configuration files.

**Phrame2** comes with multiple solutions to manage these options/values easily.

## `@function _config(key[, value])`

- `key` The key of the config property (size.small)
- `value` (optional): any

> **Good to know:** in fact, key is optional too. Returns full config object. Good for debugging purposes.

> **Good to know:** this is just a shorthand function, `_config-set` and `_config-get` is available too.

### Usage examples

#### Override config
```scss
// Defaults
$_: _config('_namespace', (
'option-1': 'original-value-1',
'option-2': 'original-value-2',
'option-3': 'original-value-3'
));

// Overwrites
$_: _config('_namespace', (
'option-1': 'new-value-1',
'option-new-1': 'new-value-2'
));

// Results
$_: _config('_namespace', (
'option-1': 'new-value-1',
'option-2': 'original-value-2',
'option-3': 'original-value-3',
'option-new-1': 'new-value-2'
));
```

#### Merge multiple levels
```scss
// Defaults
$_: _config('_namespace', (
'option-1': (
'inner-option-1': 12px
),
'option-2': 'original-value-2'
));

// Overwrites
$_: _config('_namespace', (
'option-1': (
'new-inner-option': 'value'
),
'option-2': 'original-value-2'
));

// Results
$_: _config('_namespace', (
'option-1': (
'inner-option-1': 12px,
'new-inner-option': 'value'
),
'option-2': 'original-value-2'
));
```

#### Simplified write
```scss
// Defaults
$_: _config('_namespace', (
'option-1': (
'inner-option': 12px
),
'option-2': 'original-value-2'
));

// Set new value
$_: _config('_namespace.option-1.inner-option', 20px);

// Results
$_: _config('_namespace', (
'option-1': (
'inner-option': 20px
),
'option-2': 'original-value-2'
));
```

## Built-in Tools

There are some built-in utilities based on the config management system.
All of them have shorthands, but under the hood the're using `_config()`
with a namespace like `_scheme`.

These tools are made to manage the most common aspects:

- **path:** asset urls
- **scheme:** colors
- **screen:** responsiveness
- **typography:** sizes, families

### `@function _path($key[, $filename])`

- `$key` The key of the path
- `$filename` _(optional)_ Name of the file

```scss
// Defaults from Phrame2
$_: _config('_path', (
'backgrounds': '../backgrounds/',
));

// Extend with your own
$_: _path('_path', (
'medals': (
'direct-bg': '../images/medals/bg.png',
'bronze': '../images/medals/bronze/',
'silver': '../images/medals/silver/',
'gold': '../images/medals/gold/'
)
));

// Use it
body {
background-image: url(_path('backgrounds', 'blue.jpg'));
}

.medals{
background-image: url(_path('medals.direct-bg'));
}

.medal {
&-gold {
background-image: url(_path('medals.gold', 'small.jpg'));
}
...
}
```

### `@function _scheme($key[, $value])`

- `$key` Scheme key path
- `$value` _(optional)_ Color library reference or unit value

This is a tricky stuff, because built-in color management splits into 2 part:
1. Color library
2. Scheme

The **Color library** is responsibe to store the colors:

```scss
$_color-library: (
'transparent': transparent,
'white': (
'main': #ffffff
),
'black': (
'main': #000000
),
'red': (
'main': #ff0000
),
'yellow': (
'main': #ffcc00
),
'green': (
'main': #00ff00
),
'social': (
'facebook': #3B5998,
'twitter': #55ACEE,
'instagram': #3F729B,
'google-plus': #DD4B39,
'tumblr': #36465D
),
'gradient': (
'white-to-black': (#ffffff #000000)
)
);
```

Then use **Scheme** to define the colors for your elements.

```scss
$_scheme-config: (

// Commons
common: (
alert: 'yellow.main',
success: 'green.main',
error: 'red.main',
disabled: 'gray.main'
),

// Typography
text: (
base: 'black.main',
link: 'yellow.main',
link-hover: 'black.main'
)
);
```

The use it in your stylesheet:

```scss
.alert {
background-color: _scheme('common.alert');
}
```

What's the problem with using 1 level, or just variables?

Sure you can do the following in case you don't need such complexity.

```scss
$_: _config('colors', (
'main': #000,
'secondary': #fff
));

body {
color: _config('colors.main');
}
```

At a certian point you'll end up having the same color values repeated
dozens of times. Keeping the available color palette in the **Color Library**
solves this issue, helps you prevent duplicates and also provides a proper name
(key) to get the correct color.

### `@function _color-library($key[, $value])`

- `$key` Key of the value
- `$value` _(optional)_ Value itself

Shorthand function to get/set color-library related values.

### `@function _screen($key[, $value])`

- `$key` Key of the value
- `$value` _(optional)_ Value itself

Shorthand function to get/set screen related values.

These values will be used by the built-in `_on` mixin.

```scss
// Defaults
$_screen-config: (
size: (
mobile: (
from: 0,
to: 700
),
tablet: (
from: 701,
to: 1024,
),
small: (
from: 1025,
to: 1440
),
medium: (
from: 1441,
to: 1920,
),
large: (
from: 1921,
to: 3000
)
)
);

// Add a new screen size
$_: _screen('size.myDevice', (
from: 0,
to: 3000
));

// Or modify
$_: _screen('size', (
mobile: (
from: 0,
to: 625
)
));
```

### `@function _typo($key[, $value])`

- `$key` Key of the value
- `$value` _(optional)_ Value itself

Shorthand function to get/set typography related values.

These values are used by the `basic` module and stores
your typography related values.

```scss
// Defaults
$_typo-config: (
font-size: (
root: 62.5%, // Should not be changed, used for em calculations.
base: 14
),
line-height: (
root: 1.5
),
font-family: (
sans: unquote('Arial, Helvetica, sans-serif'),
serif: unquote('"Times New Roman", Times, serif'),
secondary: unquote('"Courier New", Courier, monospace')
)
);

pre, code {
font-family: _typo('font-family.secondary');
}
```

These values will be used by the `basic` module, but it's optional.

See `basic` module for more details.

### `@function _em($target, $base)`

Function used for `em` value calculations.

```scss
div {
font-size: 1.4em; // 14px

span {
font-size: 1em; // 14px
}

strong {
font-size: _em(20, 14); // 1.42857em === 20px
}
}
```

Please not that for this to work correctly, you need to use `62.5%`
as your root font-size. See `basic` module details about this.

### `@function _easing($key[, $value])`

- `$key` Key of the easing
- `$value` _(optional)_ Easing value

Shorthand function to get/set easing related values.

```scss
// Usage

.has-transition {
transition: width 1s _easing('ease-in-out-expo');
}

.has-animation {
animation-timing-function: _easing('ease-in-out-expo');
}
```

## Referencing keys

Sometimes you might want to say like:
"I want this text to have the same color always as the title."
Well you can do that using an `@` sign.

> When using references, **you have to use _full path_**.

```scss
$_: _config('subpage-scheme', (
'title': 'red.dark',
'this-text': '@subpage-scheme.title',
'other-text': '@whoknows.foo.bar'
));
```
> This also helps to prevent to end up with such situations:
```scss
.not-app-title {
color: _scheme('app.background'); // Defined with the same color I needed
}
```

# Mixins

## `@mixin _triangle($size, $color, $direction)`

Creates a CSS triangle. Based on Zurb Foundation's solution.

- `$size` Size of triangle (px, em, etc.)
- `$color` Hmm... Color of the triangle I guess. Use a color directly, or a scheme key.
- `$direction` `top`, `right`, `bottom` or `left`

```scss
.tooltip {
&::before {
@include _triangle(
12px,
'tooltip.bg', // or simply #000
bottom
);
}
}
```

## `@mixin _scrollbar([$overrides])`

Styles scrollbars where it's possible through CSS.
Supports IE10+ and Chrome. Rest of the browsers doesn't allow,
but hey, it's still a better solution than the shitty
JS scrollbars!

- `$overrides` _(optional)_ Override default values (coming from Scheme)

```scss
// Usage
body {
@include _scrollbar;
}

// For just one div
.div {
@include _scrollbar;
}

// Override default config
$_: _scheme('scrollbar', (
'thumb-background': 'grey.main'
));

// Direct value overwrite
.div {
@include _scrollbar((
'thumb-background': 'grey.main'
));
}

```

## `@mixin _on($breakpoint[, $up-down, $orientation])`

Handles responsive rules

- `$breakpoint` Breakpoint name defined in `_screen.scss`, or `from` value, or `retina`.
- `$up-down` _(optional)_ The given range and up/down, or `to` value.
- `$orientation` _(optional)_ `portrait`, `landscape`

```scss
// Usages
.title {
font-size: 1.3em;

// 0-700px
@include _on(mobile) {
font-size: 1em;
}

// 1024px and below
@include _on(tablet, down) {
font-size: 1em;
}

// 701px and up
@include _on(tablet, up) {
font-size: 1em;
}

// 1025px-1440px and portrait
@include _on(small, false, portrait) {
font-size: 1em;
}

// Only landscape
@include _on(false, false, landscape) {
font-size: 1em;
}

// Only on hdpi devices
@include _on(retina) {
font-size: 1em;
}
}
```

# Modules

Modules are _optional_. Modules have output!
It's a good practice to load these modules at boot level.

```scss
// Common usage and flow
@import '~phrame2/core';
@import 'myConfigOverrides';
@import '~phrame2/module/reset';
@import '~phrame2/module/basic';
@import '~phrame2/module/expose';
@import 'myOwnStuff';
```

## `basic`

Includes some basic styles for your page.
Here is the full code of the module, I'll walk through it now.

```scss
html {
// Root font size. 62.5% === 1em === 10px
font-size: _typo('font-size.root');
// We want the same size everywhere
-webkit-text-size-adjust: 100%;
}

// Base font
body {
font-family: _typo('font-family.sans');
font-weight: normal;
font-style: normal;
line-height: _typo('line-height.root');
}

// Bbox sizing as it should be
*, *:after, *:before {
box-sizing: border-box;
}
```

## `reset`

A simple reset. You might not need this in case you already have
your site built, or using some sort of framework, usually all
framework are shipped with reset styles.

## `expose`
This feature was usefull many times for us. It exposes your screen configuration (breakpoints)
as JSON in your CSS on `body::before`. This will let you to have
the same rules in JavaScript also, the rules are have to be maintained
only from one place.

```js
// Normalizes JSON
let normalize = s => s.replace(/^['"]+|\s+|\\|(;\s?})+|['"]$/g, '')

let breakpoints = JSON.parse(
normalize(
getComputedStyle(document.body, ':before').getPropertyValue('content')
)
)
```

# Q&A

## Why Phrame`2`, where is the first one?
**Phrame**`1` is still alive. It's almost the same, except the bloat. It's like
those powerful frameworks out there seeing every day, and even more.
Using the same configuration system, it is generating modules based on configurations
like grid, form elements and such.

Then started to use CSS modules... I wanted to have a system I can import into the
Scss explicitly without any footprint. So basically **Phrame**`2` is the shell of the first one.

Oh yeah, I've almost forgot. The name is also taken on _npm_ :)

## Why no more modules (grid, form elements, etc.) and other shiny mixins?
Because **Phrame**`2` is more like a shell than a framework - unlike the first version.
Also there is no grid module because when I started to use `CSS modules` with `flexbox`,
I've realized it's easier to just write my needs on my own.

`float` and `inline-block` based grids are simple, it's easy to write a few classes, a generator around it.
This is mostly because they all follow this rule: `( 12 || 16 || 24 ) + ( px || em || % )`

But `flexbox` is flexible (oO). Every `flexbox` based grids out there are totally different.
Simply because it is not designed for grids. __CSS grids__ are for grids, but until
we have that in every modern browser, I'm fully satisfied with the bloat-free stylesheet and
bloat-free markup I get. It looks ugly in _React_ components as well anyway.

However, since modules are optional, maybe I'll consider to have more modules included
(and/or port some from `1`), everyone can decide which one to use for his project.

# Final words
As you can see, **Phrame**`2` is not a full featured framework.
It's a higher order shell instead to kick start your own framework,
it helps to build your own system for your own custom needs.