12 lines
500 B
JavaScript
12 lines
500 B
JavaScript
// maintain user adjusted attributes, like textbox length on phoenix liveview
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// update. https://github.com/phoenixframework/phoenix_live_view/issues/1011
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export default {
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attrs () {
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const attrs = this.el.getAttribute('data-attrs')
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if (attrs) { return attrs.split(', ') } else { return [] }
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},
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beforeUpdate () { this.prevAttrs = this.attrs().map(name => [name, this.el.getAttribute(name)]) },
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updated () { this.prevAttrs.forEach(([name, val]) => this.el.setAttribute(name, val)) }
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}
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