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237 lines
7.5 KiB
237 lines
7.5 KiB
import { cubicInOut, cubicOut } from '../easing/index.mjs';
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import { split_css_unit, identity, assign, is_function } from '../internal/Component-cd97939e.mjs';
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/**
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* @param {Element} node
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* @param {import('./public').BlurParams} [params]
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* @returns {import('./public').TransitionConfig}
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*/
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function blur(
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node,
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{ delay = 0, duration = 400, easing = cubicInOut, amount = 5, opacity = 0 } = {}
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) {
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const style = getComputedStyle(node);
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const target_opacity = +style.opacity;
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const f = style.filter === 'none' ? '' : style.filter;
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const od = target_opacity * (1 - opacity);
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const [value, unit] = split_css_unit(amount);
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return {
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delay,
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duration,
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easing,
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css: (_t, u) => `opacity: ${target_opacity - od * u}; filter: ${f} blur(${u * value}${unit});`
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};
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}
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/**
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* @param {Element} node
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* @param {import('./public').FadeParams} [params]
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* @returns {import('./public').TransitionConfig}
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*/
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function fade(node, { delay = 0, duration = 400, easing = identity } = {}) {
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const o = +getComputedStyle(node).opacity;
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return {
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delay,
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duration,
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easing,
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css: (t) => `opacity: ${t * o}`
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};
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}
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/**
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* @param {Element} node
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* @param {import('./public').FlyParams} [params]
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* @returns {import('./public').TransitionConfig}
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*/
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function fly(
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node,
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{ delay = 0, duration = 400, easing = cubicOut, x = 0, y = 0, opacity = 0 } = {}
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) {
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const style = getComputedStyle(node);
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const target_opacity = +style.opacity;
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const transform = style.transform === 'none' ? '' : style.transform;
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const od = target_opacity * (1 - opacity);
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const [xValue, xUnit] = split_css_unit(x);
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const [yValue, yUnit] = split_css_unit(y);
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return {
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delay,
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duration,
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easing,
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css: (t, u) => `
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transform: ${transform} translate(${(1 - t) * xValue}${xUnit}, ${(1 - t) * yValue}${yUnit});
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opacity: ${target_opacity - od * u}`
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};
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}
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/**
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* @param {Element} node
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* @param {import('./public').SlideParams} [params]
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* @returns {import('./public').TransitionConfig}
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*/
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function slide(node, { delay = 0, duration = 400, easing = cubicOut, axis = 'y' } = {}) {
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const style = getComputedStyle(node);
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const opacity = +style.opacity;
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const primary_property = axis === 'y' ? 'height' : 'width';
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const primary_property_value = parseFloat(style[primary_property]);
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const secondary_properties = axis === 'y' ? ['top', 'bottom'] : ['left', 'right'];
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const capitalized_secondary_properties = secondary_properties.map(
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(e) => `${e[0].toUpperCase()}${e.slice(1)}`
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);
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const padding_start_value = parseFloat(style[`padding${capitalized_secondary_properties[0]}`]);
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const padding_end_value = parseFloat(style[`padding${capitalized_secondary_properties[1]}`]);
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const margin_start_value = parseFloat(style[`margin${capitalized_secondary_properties[0]}`]);
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const margin_end_value = parseFloat(style[`margin${capitalized_secondary_properties[1]}`]);
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const border_width_start_value = parseFloat(
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style[`border${capitalized_secondary_properties[0]}Width`]
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);
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const border_width_end_value = parseFloat(
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style[`border${capitalized_secondary_properties[1]}Width`]
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);
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return {
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delay,
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duration,
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easing,
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css: (t) =>
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'overflow: hidden;' +
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`opacity: ${Math.min(t * 20, 1) * opacity};` +
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`${primary_property}: ${t * primary_property_value}px;` +
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`padding-${secondary_properties[0]}: ${t * padding_start_value}px;` +
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`padding-${secondary_properties[1]}: ${t * padding_end_value}px;` +
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`margin-${secondary_properties[0]}: ${t * margin_start_value}px;` +
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`margin-${secondary_properties[1]}: ${t * margin_end_value}px;` +
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`border-${secondary_properties[0]}-width: ${t * border_width_start_value}px;` +
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`border-${secondary_properties[1]}-width: ${t * border_width_end_value}px;`
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};
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}
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/**
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* @param {Element} node
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* @param {import('./public').ScaleParams} [params]
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* @returns {import('./public').TransitionConfig}
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*/
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function scale(
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node,
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{ delay = 0, duration = 400, easing = cubicOut, start = 0, opacity = 0 } = {}
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) {
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const style = getComputedStyle(node);
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const target_opacity = +style.opacity;
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const transform = style.transform === 'none' ? '' : style.transform;
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const sd = 1 - start;
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const od = target_opacity * (1 - opacity);
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return {
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delay,
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duration,
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easing,
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css: (_t, u) => `
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transform: ${transform} scale(${1 - sd * u});
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opacity: ${target_opacity - od * u}
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`
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};
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}
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/**
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* @param {SVGElement & { getTotalLength(): number }} node
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* @param {import('./public').DrawParams} [params]
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* @returns {import('./public').TransitionConfig}
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*/
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function draw(node, { delay = 0, speed, duration, easing = cubicInOut } = {}) {
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let len = node.getTotalLength();
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const style = getComputedStyle(node);
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if (style.strokeLinecap !== 'butt') {
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len += parseInt(style.strokeWidth);
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}
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if (duration === undefined) {
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if (speed === undefined) {
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duration = 800;
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} else {
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duration = len / speed;
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}
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} else if (typeof duration === 'function') {
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duration = duration(len);
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}
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return {
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delay,
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duration,
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easing,
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css: (_, u) => `
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stroke-dasharray: ${len};
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stroke-dashoffset: ${u * len};
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`
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};
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}
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/**
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* @param {import('./public').CrossfadeParams & {
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* fallback?: (node: Element, params: import('./public').CrossfadeParams, intro: boolean) => import('./public').TransitionConfig;
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* }} params
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* @returns {[(node: any, params: import('./public').CrossfadeParams & { key: any; }) => () => import('./public').TransitionConfig, (node: any, params: import('./public').CrossfadeParams & { key: any; }) => () => import('./public').TransitionConfig]}
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*/
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function crossfade({ fallback, ...defaults }) {
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/** @type {Map<any, Element>} */
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const to_receive = new Map();
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/** @type {Map<any, Element>} */
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const to_send = new Map();
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/**
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* @param {Element} from_node
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* @param {Element} node
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* @param {import('./public').CrossfadeParams} params
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* @returns {import('./public').TransitionConfig}
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*/
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function crossfade(from_node, node, params) {
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const {
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delay = 0,
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duration = (d) => Math.sqrt(d) * 30,
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easing = cubicOut
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} = assign(assign({}, defaults), params);
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const from = from_node.getBoundingClientRect();
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const to = node.getBoundingClientRect();
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const dx = from.left - to.left;
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const dy = from.top - to.top;
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const dw = from.width / to.width;
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const dh = from.height / to.height;
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const d = Math.sqrt(dx * dx + dy * dy);
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const style = getComputedStyle(node);
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const transform = style.transform === 'none' ? '' : style.transform;
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const opacity = +style.opacity;
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return {
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delay,
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duration: is_function(duration) ? duration(d) : duration,
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easing,
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css: (t, u) => `
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opacity: ${t * opacity};
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transform-origin: top left;
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transform: ${transform} translate(${u * dx}px,${u * dy}px) scale(${t + (1 - t) * dw}, ${
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t + (1 - t) * dh
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});
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`
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};
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}
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/**
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* @param {Map<any, Element>} items
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* @param {Map<any, Element>} counterparts
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* @param {boolean} intro
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* @returns {(node: any, params: import('./public').CrossfadeParams & { key: any; }) => () => import('./public').TransitionConfig}
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*/
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function transition(items, counterparts, intro) {
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return (node, params) => {
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items.set(params.key, node);
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return () => {
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if (counterparts.has(params.key)) {
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const other_node = counterparts.get(params.key);
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counterparts.delete(params.key);
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return crossfade(other_node, node, params);
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}
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// if the node is disappearing altogether
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// (i.e. wasn't claimed by the other list)
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// then we need to supply an outro
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items.delete(params.key);
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return fallback && fallback(node, params, intro);
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};
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};
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}
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return [transition(to_send, to_receive, false), transition(to_receive, to_send, true)];
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}
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export { blur, crossfade, draw, fade, fly, scale, slide };
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