/
space.less
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/
space.less
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/* space.less v0.0.3 | MIT License | github.com/paulradzkov/space.less */
.space-settings() {
@spaces: 0, 8px, 16px, 24px, 40px, 64px, 104px, 168px;
@spacealias: -zero, -nano, -micro, -mili, -base, -kilo, -mega, -giga;
// media breakpoints
@breakpoints:
~"(min-width: 576px)",
~"(min-width: 768px)",
~"(min-width: 992px)",
~"(min-width: 1200px)";
// names for breakpoint suffixes
@suffixes: xs, sm, md, lg, xl;
@suffixes-separator: ~"\:"; // will render css as .space-auto\:xs
// IMPORTANT: suffixes count should be bigger than breakpoints count by 1
// suffixes-count = breakpoints-count + 1
@cust-prop: true; // enable css custom properties
}
& {
.space-settings();
@i: length(@spaces); // how many steps we have
@j: length(@spacealias); // how many aliases we have
@n: length(@breakpoints); // how many breakpoints we have
@m: length(@suffixes); // how many suffixes we have
@first-suffix: extract(@suffixes, 1); // first breakpoint suffix
@none:;
@top: -top;
@bottom: -bottom;
@left: -left;
@right: -right;
@v: -v;
@h: -h;
@tall: -tall;
@wide: -wide;
// Basic looping in LESS
.loop-space-steps(@type, @suff, @prop, @sign, @index: @i) when (@index > 0) and ( @i = @j) {
.loop-space-steps(@type, @suff, @prop, @sign, (@index - 1)); // next iteration
@current-alias: extract(@spacealias, @index);
@current-value: extract(@spaces, @index);
@current-pre-alias: extract(@spacealias, (@index - 1));
@current-pre-value: extract(@spaces, (@index - 1));
& when (@cust-prop = true) {
// we don't want .space-minus-zero:xs { margin: 0;}
& when not ((@type = minus) and (@index = 1)) {
& when (@sign = 1) {
.space-@{type}@{current-alias}@{suff-sep}@{suff} { && { @{prop}: ~"var(--space@{current-alias})"; } }
.space-@{type}@{top}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-top: ~"var(--space@{current-alias})"; } }
.space-@{type}@{bottom}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-bottom: ~"var(--space@{current-alias})"; } }
.space-@{type}@{left}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-left: ~"var(--space@{current-alias})"; } }
.space-@{type}@{right}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-right: ~"var(--space@{current-alias})"; } }
.space-@{type}@{v}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-top: ~"var(--space@{current-alias})"; @{prop}-bottom: ~"var(--space@{current-alias})"; } }
.space-@{type}@{h}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-left: ~"var(--space@{current-alias})"; @{prop}-right: ~"var(--space@{current-alias})"; } }
// we don't want tall and wide classes on zero and nano steps
& when (@index > 2) {
.space-@{type}@{tall}@{current-alias}@{suff-sep}@{suff} { && { @{prop}: ~"var(--space@{current-alias})" ~"var(--space@{current-pre-alias})"; } }
.space-@{type}@{wide}@{current-alias}@{suff-sep}@{suff} { && { @{prop}: ~"var(--space@{current-pre-alias})" ~"var(--space@{current-alias})"; } }
}
}
& when (@sign = -1) {
.space-@{type}@{current-alias}@{suff-sep}@{suff} { && { @{prop}: ~"var(--space-minus@{current-alias})"; } }
.space-@{type}@{top}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-top: ~"var(--space-minus@{current-alias})"; } }
.space-@{type}@{bottom}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-bottom: ~"var(--space-minus@{current-alias})"; } }
.space-@{type}@{left}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-left: ~"var(--space-minus@{current-alias})"; } }
.space-@{type}@{right}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-right: ~"var(--space-minus@{current-alias})"; } }
.space-@{type}@{v}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-top: ~"var(--space-minus@{current-alias})"; @{prop}-bottom: ~"var(--space-minus@{current-alias})"; } }
.space-@{type}@{h}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-left: ~"var(--space-minus@{current-alias})"; @{prop}-right: ~"var(--space-minus@{current-alias})"; } }
// we don't want tall and wide classes on zero and nano steps
& when (@index > 2) {
.space-@{type}@{tall}@{current-alias}@{suff-sep}@{suff} { && { @{prop}: ~"var(--space-minus@{current-alias})" ~"var(--space-minus@{current-pre-alias})"; } }
.space-@{type}@{wide}@{current-alias}@{suff-sep}@{suff} { && { @{prop}: ~"var(--space-minus@{current-pre-alias})" ~"var(--space-minus@{current-alias})"; } }
}
}
}
}
& when (@cust-prop = false) {
// we don't want .space-minus-zero:xs { margin: 0;}
& when not ((@type = minus) and (@index = 1)) {
.space-@{type}@{current-alias}@{suff-sep}@{suff} { && { @{prop}: (@current-value * @sign); } }
.space-@{type}@{top}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-top: (@current-value * @sign); } }
.space-@{type}@{bottom}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-bottom: (@current-value * @sign); } }
.space-@{type}@{left}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-left: (@current-value * @sign); } }
.space-@{type}@{right}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-right: (@current-value * @sign); } }
.space-@{type}@{v}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-top: (@current-value * @sign); @{prop}-bottom: (@current-value * @sign); } }
.space-@{type}@{h}@{current-alias}@{suff-sep}@{suff} { && { @{prop}-left: (@current-value * @sign); @{prop}-right: (@current-value * @sign); } }
// we don't want tall and wide classes on zero and nano steps
& when (@index > 2) {
.space-@{type}@{tall}@{current-alias}@{suff-sep}@{suff} { && { @{prop}: (@current-value * @sign) (@current-pre-value * @sign); } }
.space-@{type}@{wide}@{current-alias}@{suff-sep}@{suff} { && { @{prop}: (@current-pre-value * @sign) (@current-value * @sign); } }
}
}
}
}
.render-cust-props(@index: @i) when (@cust-prop = true) and (@index > 0) and ( @i = @j) {
.render-cust-props((@index - 1));
@current-alias: extract(@spacealias, @index);
@current-value: extract(@spaces, @index);
--space@{current-alias}: @current-value;
& when (@current-value > 0) {
--space-minus@{current-alias}: (@current-value * -1);
}
}
// Render module with breakpoint suffix
.space(@suff; @suff-sep: @suffixes-separator) {
.space-auto@{suff-sep}@{suff} { && { margin: auto; } }
.space-auto@{top}@{suff-sep}@{suff} { && { margin-top: auto; } }
.space-auto@{bottom}@{suff-sep}@{suff} { && { margin-bottom: auto; } }
.space-auto@{left}@{suff-sep}@{suff} { && { margin-left: auto; } }
.space-auto@{right}@{suff-sep}@{suff} { && { margin-right: auto; } }
.space-auto@{v}@{suff-sep}@{suff} { && { margin-top: auto; margin-bottom: auto; } }
.space-auto@{h}@{suff-sep}@{suff} { && { margin-left: auto; margin-right: auto; } }
.loop-space-steps(in, @suff, padding, 1, @i);
.loop-space-steps(out, @suff, margin, 1, @i);
.loop-space-steps(minus, @suff, margin, -1, @i);
}
// Create breakpoints
.responsive(@index: @m) when (@index > 1) and (@m = (@n + 1)) {
.responsive((@index - 1)); // next iteration
@current-class: extract(@suffixes, @index);
@current-breakpoint: extract(@breakpoints, (@index - 1));
@media @current-breakpoint {
.space(@current-class);
}
}
// Render css custom properties
:root when (@cust-prop = true) {
.render-cust-props();
}
// Render default state before first breakpoint
.space(@none, @suff-sep:@none);
.space(@first-suffix);
// Render mediaqueries with breakpoints
.responsive();
}