ckgl/node_modules/vant/es/circle/Circle.mjs
2024-12-21 13:52:42 +08:00

153 lines
4.5 KiB
JavaScript

import { watch, computed, defineComponent, createVNode as _createVNode } from "vue";
import { raf, cancelRaf } from "@vant/use";
import { isObject, truthProp, numericProp, getSizeStyle, makeStringProp, makeNumberProp, makeNumericProp, createNamespace } from "../utils/index.mjs";
const [name, bem] = createNamespace("circle");
let uid = 0;
const format = (rate) => Math.min(Math.max(+rate, 0), 100);
function getPath(clockwise, viewBoxSize) {
const sweepFlag = clockwise ? 1 : 0;
return `M ${viewBoxSize / 2} ${viewBoxSize / 2} m 0, -500 a 500, 500 0 1, ${sweepFlag} 0, 1000 a 500, 500 0 1, ${sweepFlag} 0, -1000`;
}
const circleProps = {
text: String,
size: numericProp,
fill: makeStringProp("none"),
rate: makeNumericProp(100),
speed: makeNumericProp(0),
color: [String, Object],
clockwise: truthProp,
layerColor: String,
currentRate: makeNumberProp(0),
strokeWidth: makeNumericProp(40),
strokeLinecap: String,
startPosition: makeStringProp("top")
};
var stdin_default = defineComponent({
name,
props: circleProps,
emits: ["update:currentRate"],
setup(props, {
emit,
slots
}) {
const id = `van-circle-${uid++}`;
const viewBoxSize = computed(() => +props.strokeWidth + 1e3);
const path = computed(() => getPath(props.clockwise, viewBoxSize.value));
const svgStyle = computed(() => {
const ROTATE_ANGLE_MAP = {
top: 0,
right: 90,
bottom: 180,
left: 270
};
const angleValue = ROTATE_ANGLE_MAP[props.startPosition];
if (angleValue) {
return {
transform: `rotate(${angleValue}deg)`
};
}
});
watch(() => props.rate, (rate) => {
let rafId;
const startTime = Date.now();
const startRate = props.currentRate;
const endRate = format(rate);
const duration = Math.abs((startRate - endRate) * 1e3 / +props.speed);
const animate = () => {
const now = Date.now();
const progress = Math.min((now - startTime) / duration, 1);
const rate2 = progress * (endRate - startRate) + startRate;
emit("update:currentRate", format(parseFloat(rate2.toFixed(1))));
if (endRate > startRate ? rate2 < endRate : rate2 > endRate) {
rafId = raf(animate);
}
};
if (props.speed) {
if (rafId) {
cancelRaf(rafId);
}
rafId = raf(animate);
} else {
emit("update:currentRate", endRate);
}
}, {
immediate: true
});
const renderHover = () => {
const PERIMETER = 3140;
const {
strokeWidth,
currentRate,
strokeLinecap
} = props;
const offset = PERIMETER * currentRate / 100;
const color = isObject(props.color) ? `url(#${id})` : props.color;
const style = {
stroke: color,
strokeWidth: `${+strokeWidth + 1}px`,
strokeLinecap,
strokeDasharray: `${offset}px ${PERIMETER}px`
};
return _createVNode("path", {
"d": path.value,
"style": style,
"class": bem("hover"),
"stroke": color
}, null);
};
const renderLayer = () => {
const style = {
fill: props.fill,
stroke: props.layerColor,
strokeWidth: `${props.strokeWidth}px`
};
return _createVNode("path", {
"class": bem("layer"),
"style": style,
"d": path.value
}, null);
};
const renderGradient = () => {
const {
color
} = props;
if (!isObject(color)) {
return;
}
const Stops = Object.keys(color).sort((a, b) => parseFloat(a) - parseFloat(b)).map((key, index) => _createVNode("stop", {
"key": index,
"offset": key,
"stop-color": color[key]
}, null));
return _createVNode("defs", null, [_createVNode("linearGradient", {
"id": id,
"x1": "100%",
"y1": "0%",
"x2": "0%",
"y2": "0%"
}, [Stops])]);
};
const renderText = () => {
if (slots.default) {
return slots.default();
}
if (props.text) {
return _createVNode("div", {
"class": bem("text")
}, [props.text]);
}
};
return () => _createVNode("div", {
"class": bem(),
"style": getSizeStyle(props.size)
}, [_createVNode("svg", {
"viewBox": `0 0 ${viewBoxSize.value} ${viewBoxSize.value}`,
"style": svgStyle.value
}, [renderGradient(), renderLayer(), renderHover()]), renderText()]);
}
});
export {
circleProps,
stdin_default as default
};