v2 - make range-input customisation unnecessary

[Haroenv]

Feedback on the v2 alpha version 🆕

Describe the bug / features

We use -Infinity / Infinity as values, but those need to be adjusted often to be correct. Let's change those values to be more straightforward

Reproduction

see usages in

vue-instantsearch/stories/RangeInput.stories.js

Lines 38 to 124 in 2756848

	.add('with a custom render', () => ({
	template: `
	<ais-range-input attribute="price">
	<template slot-scope="{ refine, currentRefinements }">
	<form @submit.prevent="refine(min, max)" >
	<label>
	<input
	type="number"
	:max="this.max"
	:placeholder="this.max"
	:value="currentRefinements && currentRefinements[0]"
	@change="min = $event.currentTarget.value"
	/>
	</label>
	<span>to</span>
	<label >
	<input
	type="number"
	:max="this.max"
	:placeholder="this.max"
	:value="currentRefinements && currentRefinements[1]"
	@change="max = $event.currentTarget.value"
	/>
	</label>
	<button type="submit">Go</button>
	</form>
	</template>
	</ais-range-input>
	`,
	data() {
	return {
	min: undefined,
	max: undefined,
	};
	},
	}))
	.add('with vue-slider-component', () => ({
	template: `
	<ais-range-input attribute="price">
	<template slot-scope="{ refine, currentRefinements, range }">
	<vue-slider
	:min="range.min"
	:max="range.max"
	:value="toValue(currentRefinements, range)"
	@input="refine($event[0], $event[1])"
	/>
	</template>
	</ais-range-input>
	`,
	methods: {
	toValue([min, max], range) {
	return [
	min === -Infinity ? range.min : min,
	max === Infinity ? range.max : max,
	];
	},
	},
	components: { VueSlider },
	}))
	.add('with vuetify slider', () => ({
	template: `
	<v-app>
	<ais-range-input attribute="price">
	<template slot-scope="{ refine, currentRefinements, range }">
	<v-range-slider
	:min="range.min"
	:max="range.max"
	:value="toValue(currentRefinements, range)"
	@input="refine($event[0], $event[1])"
	/>
	</template>
	</ais-range-input>
	</v-app>
	`,
	data() {
	return {
	price: [5, 20],
	};
	},
	methods: {
	toValue([min, max], range) {
	return [
	min === -Infinity ? range.min : min,
	max === Infinity ? range.max : max,
	];
	},
	},

How to resolve or implement the fix?

avoid Infinity as a value

What is the version you are using?

v2.0.0-alpha.1

[Haroenv]

done in #560