mirror of https://github.com/nuxt/nuxt.git
49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
const scrollBehavior = function (to, from, savedPosition) {
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// if the returned position is falsy or an empty object,
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// will retain current scroll position.
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let position = false
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// if no children detected
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if (to.matched.length < 2) {
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// scroll to the top of the page
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position = { x: 0, y: 0 }
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} else if (to.matched.some((r) => r.components.default.options.scrollToTop)) {
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// if one of the children has scrollToTop option set to true
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position = { x: 0, y: 0 }
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}
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// savedPosition is only available for popstate navigations (back button)
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if (savedPosition) {
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position = savedPosition
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}
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return new Promise(resolve => {
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// wait for the out transition to complete (if necessary)
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this.app.$root.$once('triggerScroll', () => {
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// coords will be used if no selector is provided,
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// or if the selector didn't match any element.
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if (to.hash && document.querySelector(to.hash)) {
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// scroll to anchor by returning the selector
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position = { selector: to.hash }
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}
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resolve(position)
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})
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})
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}
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module.exports = {
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build: {
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vendor: ['axios']
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},
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css: ['~/assets/main.css'],
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transition: {
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beforeEnter() {
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this.$root.$emit('triggerScroll')
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}
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},
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router: {
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scrollBehavior
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}
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}
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