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Update slider.vue

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This commit is contained in:
梁灏 2021-09-16 16:55:24 +08:00
parent 0f88a39e24
commit 04284bc088
1 changed files with 11 additions and 3 deletions
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14
src/components/slider/slider.vue
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@ -196,14 +196,17 @@
min: 0, min: 0,
max: 1, max: 1,
}, },
sliderWidth: 0 sliderWidth: 0,
isValueNull: false // hack：解决 value 置为 null 时，$emit:input 0 而不是 null
}; };
}, },
watch: { watch: {
value (val) { value (val) {
if (val === null) this.isValueNull = true;
val = this.checkLimits(Array.isArray(val) ? val : [val]); val = this.checkLimits(Array.isArray(val) ? val : [val]);
if (!this.dragging && (val[0] !== this.currentValue[0] || val[1] !== this.currentValue[1])) { if (!this.dragging && (val[0] !== this.currentValue[0] || val[1] !== this.currentValue[1])) {
this.currentValue = val; if (this.isValueNull && this.range) this.currentValue = [0, 0];
else this.currentValue = val;
} }
}, },
exportValue (values) { exportValue (values) {
@ -214,7 +217,12 @@
} }
}); });
const value = this.range ? values : values[0]; const value = this.range ? values : values[0];
this.$emit('input', value); if (this.isValueNull) {
this.isValueNull = false;
this.$emit('input', null);
} else {
this.$emit('input', value);
}
this.$emit('on-input', value); this.$emit('on-input', value);
} }
}, },