Implement breakpoints utils on SCSS and JS

This commit is contained in:
Alexis Faizeau 2022-01-05 09:56:10 +01:00
parent 56d8f62dd0
commit 9695064e82
2 changed files with 214 additions and 0 deletions

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type InternalBreakpoint = {
beforeBreakpoint: InternalBreakpoint | undefined;
nextBreakpoint: InternalBreakpoint | undefined;
pixels: number;
};
function generateBreakpointsMap(): Map<string, InternalBreakpoint> {
// If is changed don't forget to also change it on SASS.
const breakpoints: { [key: string]: number } = {
xs: 0,
sm: 576,
md: 768,
lg: 992,
xl: 1200,
xxl: 1400,
};
let beforeBreakpoint: InternalBreakpoint | undefined;
let beforeBreakpointTag: string | undefined;
const mapRender = new Map<string, InternalBreakpoint>();
for (const breakpoint in breakpoints) {
const newBreakpoint = {
beforeBreakpoint: beforeBreakpoint,
nextBreakpoint: undefined,
pixels: breakpoints[breakpoint],
};
if (beforeBreakpointTag && beforeBreakpoint) {
beforeBreakpoint.nextBreakpoint = newBreakpoint;
mapRender.set(beforeBreakpointTag, beforeBreakpoint);
}
mapRender.set(breakpoint, {
beforeBreakpoint: beforeBreakpoint,
nextBreakpoint: undefined,
pixels: breakpoints[breakpoint],
});
beforeBreakpointTag = breakpoint;
beforeBreakpoint = newBreakpoint;
}
return mapRender;
}
const breakpoints = generateBreakpointsMap();
export type Breakpoint = "xs" | "sm" | "md" | "lg" | "xl" | "xxl";
export function isMediaBreakpointUp(breakpoint: Breakpoint): boolean {
if (breakpoint === "xxl") {
return true;
}
const breakpointObject = breakpoints.get(breakpoint);
if (!breakpointObject) {
throw new Error(`Unknown breakpoint: ${breakpoint}`);
}
if (!breakpointObject.nextBreakpoint) {
return false;
}
return breakpointObject.nextBreakpoint.pixels - 1 >= window.innerWidth;
}
export function isMediaBreakpointDown(breakpoint: Breakpoint): boolean {
if (breakpoint === "xs") {
return true;
}
const breakpointObject = breakpoints.get(breakpoint);
if (!breakpointObject) {
throw new Error(`Unknown breakpoint: ${breakpoint}`);
}
return breakpointObject.pixels <= window.innerWidth;
}
export function isMediaBreakpointOnly(breakpoint: Breakpoint): boolean {
const breakpointObject = breakpoints.get(breakpoint);
if (!breakpointObject) {
throw new Error(`Unknown breakpoint: ${breakpoint}`);
}
return (
breakpointObject.pixels <= window.innerWidth &&
(!breakpointObject.nextBreakpoint || breakpointObject.nextBreakpoint.pixels - 1 >= window.innerWidth)
);
}
export function isMediaBreakpointBetween(startBreakpoint: Breakpoint, endBreakpoint: Breakpoint): boolean {
const startBreakpointObject = breakpoints.get(startBreakpoint);
const endBreakpointObject = breakpoints.get(endBreakpoint);
if (!startBreakpointObject) {
throw new Error(`Unknown start breakpoint: ${startBreakpointObject}`);
}
if (!endBreakpointObject) {
throw new Error(`Unknown end breakpoint: ${endBreakpointObject}`);
}
return (
startBreakpointObject.pixels <= innerWidth &&
(!endBreakpointObject.nextBreakpoint || endBreakpointObject.nextBreakpoint.pixels - 1 >= window.innerWidth)
);
}

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@use "sass:map";
// If you modify this breakpoints don't forget to change it also in TS utils.
$grid-breakpoints: (
xs: 0,
sm: 576px,
md: 768px,
lg: 992px,
xl: 1200px,
xxl: 1400px
);
@function get-upper-breakpoint($breakpoint) {
@return map-get((
xs: map.get($grid-breakpoints, "sm"),
sm: map.get($grid-breakpoints, "md"),
md: map.get($grid-breakpoints, "lg"),
lg: map.get($grid-breakpoints, "xl"),
xl: map.get($grid-breakpoints, "xxl"),
xxl: null,
), $breakpoint);
}
@function get-under-breakpoint($breakpoint) {
@return map-get((
xs: null,
sm: map.get($grid-breakpoints, "xs"),
md: map.get($grid-breakpoints, "sm"),
lg: map.get($grid-breakpoints, "md"),
xl: map.get($grid-breakpoints, "lg"),
xxl: map.get($grid-breakpoints, "xl"),
), $breakpoint);
}
@mixin media-breakpoint-up($upTo) {
@if $upTo == 'xxl' {
@media only screen {
@content;
}
} @else {
$value: get-upper-breakpoint($upTo);
@if $value != null {
$value: $value - 1px;
@media only screen and (max-width: $value) {
@content;
}
}
}
}
@mixin media-breakpoint-down($downFrom) {
@if $downFrom == 'xs' {
@media only screen {
@content;
}
} @else {
$value: map.get($grid-breakpoints, $downFrom);
@if $value != null {
@media only screen and (min-width: $value) {
@content;
}
}
}
}
@mixin media-breakpoint-only($only) {
$maxValue: get-upper-breakpoint($only);
$minValue: map.get($grid-breakpoints, $only);
@if $minValue == null {
} @else if $maxValue != null {
$maxValue: $maxValue - 1px;
@media only screen and (min-width: $minValue) and (max-width: $maxValue) {
@content;
}
} @else {
@media only screen and (min-width: $minValue) {
@content;
}
}
}
@mixin media-breakpoint-between($start, $end) {
$maxValue: get-upper-breakpoint($end);
$minValue: map.get($grid-breakpoints, $start);
@if $minValue == null {
} @else if $maxValue != null {
$maxValue: $maxValue - 1px;
@media only screen and (min-width: $minValue) and (max-width: $maxValue) {
@content;
}
} @else {
@media only screen and (min-width: $minValue) {
@content;
}
}
}