vexip-ui/lib/components/color-picker/color-alpha.vue.cjs.map

A Vue 3 UI library, Highly customizability, full TypeScript, performance pretty good

{"version":3,"file":"color-alpha.vue.cjs","sources":["../../../components/color-picker/color-alpha.vue"],"sourcesContent":["<template>\n  <div\n    ref=\"wrapper\"\n    :class=\"nh.be('alpha')\"\n    tabindex=\"-1\"\n    role=\"group\"\n  >\n    <div\n      :class=\"nh.be('opacity')\"\n      :style=\"{\n        backgroundImage: `linear-gradient(to right, rgba(${rgbString}, 0) 0%, rgb(${rgbString}) 100%)`\n      }\"\n    ></div>\n    <div :class=\"nh.be('alpha-handler')\" :style=\"{ left: `${currentLeft}%` }\"></div>\n  </div>\n</template>\n\n<script lang=\"ts\">\nimport { computed, defineComponent, ref, watch } from 'vue'\n\nimport { useNameHelper } from '@vexip-ui/config'\nimport { useModifier, useMoving } from '@vexip-ui/hooks'\nimport { boundRange, toFixed } from '@vexip-ui/utils'\n\nimport type { PropType } from 'vue'\nimport type { RGBColor } from '@vexip-ui/utils'\n\nexport default defineComponent({\n  name: 'ColorAlpha',\n  props: {\n    rgb: {\n      type: Object as PropType<RGBColor>,\n      default: () => {\n        return { r: 0, g: 0, b: 0 }\n      },\n      validator: (value: RGBColor) => {\n        return 'r' in value && 'g' in value && 'b' in value\n      },\n    },\n    alpha: {\n      type: Number,\n      default: 1,\n      validator: (value: number) => {\n        return value >= 0 && value <= 1\n      },\n    },\n  },\n  emits: ['edit-start', 'edit-end', 'change'],\n  setup(props, { emit }) {\n    const currentLeft = ref(props.alpha * 100)\n\n    let prevLeft = currentLeft.value\n    let widthLimit: number\n    let leftStartAt: number\n\n    const { target: wrapper } = useModifier({\n      passive: false,\n      onKeyDown: (event, modifier) => {\n        if (modifier.left || modifier.right) {\n          event.preventDefault()\n\n          const step = event.ctrlKey ? 10 : event.altKey ? 0.5 : 2\n          const delta = step * (modifier.left ? -1 : 1)\n\n          currentLeft.value += delta\n\n          verifyPosition()\n          prevLeft = currentLeft.value\n          handleChange()\n        }\n      },\n    })\n\n    const { moving: editing } = useMoving({\n      target: wrapper,\n      onStart: (state, event) => {\n        if (!wrapper.value || event.button > 0) {\n          return false\n        }\n\n        const rect = wrapper.value.getBoundingClientRect()\n        const { left, width } = rect\n\n        widthLimit = width\n        currentLeft.value = ((leftStartAt = state.clientX - left) / width) * 100\n\n        verifyPosition()\n        emit('edit-start')\n\n        if (Math.abs(currentLeft.value - prevLeft) >= 0.01) {\n          prevLeft = currentLeft.value\n          handleChange()\n        }\n      },\n      onMove: state => {\n        currentLeft.value = ((leftStartAt + state.deltaX) / widthLimit) * 100\n\n        verifyPosition()\n        handleChange()\n      },\n      onEnd: () => {\n        emit('edit-end')\n      },\n    })\n\n    const rgbString = computed(() => {\n      const { r, g, b } = props.rgb\n\n      return `${r}, ${g}, ${b}`\n    })\n\n    verifyPosition()\n\n    watch(\n      () => props.alpha,\n      value => {\n        currentLeft.value = value * 100\n        verifyPosition()\n      },\n      { immediate: true },\n    )\n\n    function verifyPosition() {\n      currentLeft.value = toFixed(boundRange(currentLeft.value, 0, 100), 3)\n    }\n\n    function handleChange() {\n      emit('change', currentLeft.value / 100)\n    }\n\n    return {\n      nh: useNameHelper('color-picker'),\n      currentLeft,\n      editing,\n\n      rgbString,\n\n      wrapper,\n    }\n  },\n})\n</script>\n"],"names":["_createElementBlock","_normalizeClass","_ctx","_createElementVNode","_normalizeStyle"],"mappings":"+KACEA,EAaM,mBAAA,MAAA,CAZJ,IAAI,UACH,MAAKC,EAAE,eAAAC,EAAA,GAAG,GAAE,OAAA,CAAA,EACb,SAAS,KACT,KAAK,OAAA,EAAA,CAELC,EAAAA,mBAKO,MAAA,CAJJ,MAAKF,EAAE,eAAAC,EAAA,GAAG,GAAE,SAAA,CAAA,EACZ,MAAKE,EAAAA,eAAA,CAA+D,gBAAA,kCAAAF,EAAA,SAAS,gBAAgBA,EAAS,SAAA,SAAA,CAAA,WAIzGC,EAAAA,mBAAgF,MAAA,CAA1E,MAAKF,EAAE,eAAAC,EAAA,GAAG,GAAE,eAAA,CAAA,EAAoB,MAAKE,0BAAaF,EAAW,WAAA,GAAA,CAAA,CAAA,EAAA,KAAA,CAAA"}