34 lines
1014 B
JavaScript
34 lines
1014 B
JavaScript
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var assert = require('assert')
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module.exports = href
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var noRoutingAttrName = 'data-no-routing'
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// handle a click if is anchor tag with an href
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// and url lives on the same domain. Replaces
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// trailing '#' so empty links work as expected.
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// (fn(str), obj?) -> undefined
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function href (cb, root) {
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assert.equal(typeof cb, 'function', 'sheet-router/href: cb must be a function')
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window.onclick = function (e) {
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if ((e.button && e.button !== 0) || e.ctrlKey || e.metaKey || e.altKey || e.shiftKey) return
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var node = (function traverse (node) {
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if (!node || node === root) return
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if (node.localName !== 'a') return traverse(node.parentNode)
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if (node.href === undefined) return traverse(node.parentNode)
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if (window.location.host !== node.host) return traverse(node.parentNode)
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return node
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})(e.target)
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if (!node) return
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var isRoutingDisabled = node.hasAttribute(noRoutingAttrName)
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if (isRoutingDisabled) return
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e.preventDefault()
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cb(node)
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}
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}
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