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43 lines
4.8 KiB
JavaScript
43 lines
4.8 KiB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.snabbdom_dataset = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var CAPS_REGEX = /[A-Z]/g;
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function updateDataset(oldVnode, vnode) {
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var elm = vnode.elm, oldDataset = oldVnode.data.dataset, dataset = vnode.data.dataset, key;
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if (!oldDataset && !dataset)
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return;
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if (oldDataset === dataset)
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return;
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oldDataset = oldDataset || {};
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dataset = dataset || {};
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var d = elm.dataset;
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for (key in oldDataset) {
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if (!dataset[key]) {
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if (d) {
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if (key in d) {
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delete d[key];
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}
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}
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else {
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elm.removeAttribute('data-' + key.replace(CAPS_REGEX, '-$&').toLowerCase());
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}
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}
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}
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for (key in dataset) {
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if (oldDataset[key] !== dataset[key]) {
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if (d) {
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d[key] = dataset[key];
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}
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else {
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elm.setAttribute('data-' + key.replace(CAPS_REGEX, '-$&').toLowerCase(), dataset[key]);
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}
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}
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}
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}
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exports.datasetModule = { create: updateDataset, update: updateDataset };
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exports.default = exports.datasetModule;
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},{}]},{},[1])(1)
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});
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