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113 lines
3.2 KiB
113 lines
3.2 KiB
2 years ago
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var a = document.getElementById('a');
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var b = document.getElementById('b');
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var result = document.getElementById('result');
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function changed() {
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// https://github.com/kpdecker/jsdiff/issues/389
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// I would love to use `{ignoreWhitespace: true}` here but it breaks the formatting
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options = {ignoreWhitespace: document.getElementById('ignoreWhitespace').checked};
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var diff = Diff[window.diffType](a.textContent, b.textContent, options);
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var fragment = document.createDocumentFragment();
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for (var i = 0; i < diff.length; i++) {
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if (diff[i].added && diff[i + 1] && diff[i + 1].removed) {
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var swap = diff[i];
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diff[i] = diff[i + 1];
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diff[i + 1] = swap;
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}
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var node;
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if (diff[i].removed) {
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node = document.createElement('del');
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node.classList.add("change");
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node.appendChild(document.createTextNode(diff[i].value));
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} else if (diff[i].added) {
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node = document.createElement('ins');
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node.classList.add("change");
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node.appendChild(document.createTextNode(diff[i].value));
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} else {
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node = document.createTextNode(diff[i].value);
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}
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fragment.appendChild(node);
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}
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result.textContent = '';
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result.appendChild(fragment);
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// Jump at start
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inputs.current = 0;
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next_diff();
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}
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window.onload = function () {
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/* Convert what is options from UTC time.time() to local browser time */
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var diffList = document.getElementById("diff-version");
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if (typeof (diffList) != 'undefined' && diffList != null) {
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for (var option of diffList.options) {
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var dateObject = new Date(option.value * 1000);
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option.label = dateObject.toLocaleString();
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}
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}
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/* Set current version date as local time in the browser also */
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var current_v = document.getElementById("current-v-date");
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var dateObject = new Date(newest_version_timestamp*1000);
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current_v.innerHTML = dateObject.toLocaleString();
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onDiffTypeChange(document.querySelector('#settings [name="diff_type"]:checked'));
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changed();
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};
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a.onpaste = a.onchange =
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b.onpaste = b.onchange = changed;
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if ('oninput' in a) {
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a.oninput = b.oninput = changed;
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} else {
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a.onkeyup = b.onkeyup = changed;
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}
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function onDiffTypeChange(radio) {
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window.diffType = radio.value;
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// Not necessary
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// document.title = "Diff " + radio.value.slice(4);
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}
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var radio = document.getElementsByName('diff_type');
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for (var i = 0; i < radio.length; i++) {
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radio[i].onchange = function (e) {
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onDiffTypeChange(e.target);
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changed();
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}
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}
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document.getElementById('ignoreWhitespace').onchange = function (e) {
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changed();
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}
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var inputs = document.getElementsByClassName('change');
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inputs.current = 0;
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function next_diff() {
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var element = inputs[inputs.current];
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var headerOffset = 80;
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var elementPosition = element.getBoundingClientRect().top;
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var offsetPosition = elementPosition - headerOffset + window.scrollY;
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window.scrollTo({
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top: offsetPosition,
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behavior: "smooth"
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});
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inputs.current++;
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if (inputs.current >= inputs.length) {
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inputs.current = 0;
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}
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}
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