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88 lines
2.9 KiB
88 lines
2.9 KiB
// Copyright (c) MudBlazor 2021
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// MudBlazor licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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window.getTabbableElements = (element) => {
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return element.querySelectorAll(
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"a[href]:not([tabindex='-1'])," +
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"area[href]:not([tabindex='-1'])," +
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"button:not([disabled]):not([tabindex='-1'])," +
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"input:not([disabled]):not([tabindex='-1']):not([type='hidden'])," +
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"select:not([disabled]):not([tabindex='-1'])," +
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"textarea:not([disabled]):not([tabindex='-1'])," +
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"iframe:not([tabindex='-1'])," +
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"details:not([tabindex='-1'])," +
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"[tabindex]:not([tabindex='-1'])," +
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"[contentEditable=true]:not([tabindex='-1']"
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);
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};
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//from: https://github.com/RemiBou/BrowserInterop
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window.serializeParameter = (data, spec) => {
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if (typeof data == "undefined" ||
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data === null) {
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return null;
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}
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if (typeof data === "number" ||
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typeof data === "string" ||
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typeof data == "boolean") {
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return data;
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}
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let res = (Array.isArray(data)) ? [] : {};
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if (!spec) {
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spec = "*";
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}
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for (let i in data) {
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let currentMember = data[i];
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if (typeof currentMember === 'function' || currentMember === null) {
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continue;
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}
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let currentMemberSpec;
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if (spec != "*") {
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currentMemberSpec = Array.isArray(data) ? spec : spec[i];
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if (!currentMemberSpec) {
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continue;
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}
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} else {
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currentMemberSpec = "*"
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}
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if (typeof currentMember === 'object') {
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if (Array.isArray(currentMember) || currentMember.length) {
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res[i] = [];
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for (let j = 0; j < currentMember.length; j++) {
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const arrayItem = currentMember[j];
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if (typeof arrayItem === 'object') {
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res[i].push(this.serializeParameter(arrayItem, currentMemberSpec));
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} else {
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res[i].push(arrayItem);
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}
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}
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} else {
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//the browser provides some member (like plugins) as hash with index as key, if length == 0 we shall not convert it
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if (currentMember.length === 0) {
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res[i] = [];
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} else {
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res[i] = this.serializeParameter(currentMember, currentMemberSpec);
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}
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}
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} else {
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// string, number or boolean
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if (currentMember === Infinity) { //inifity is not serialized by JSON.stringify
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currentMember = "Infinity";
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}
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if (currentMember !== null) { //needed because the default json serializer in jsinterop serialize null values
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res[i] = currentMember;
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}
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}
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}
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return res;
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};
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