查看“︁MediaWiki:ToggleContent.js”︁的源代码

// jshint maxerr:1000

// WARNING: This page will be included in Common.js, and could affect THE WHOLE
// SITE if poorly handled. CONTACT willson-v- BEFORE EDITING!
// 警告：本代码将会被Common.js引用，
// 故而可能影响到全站页面。请在作出修改前联系willson-v-。

// Make all local var inside a function to prevent interference
'use strict'
$(function () {
    const cssSanitizer = (cssStr) => (typeof cssStr === "string" ? cssStr : "").replace(RegExp(decodeURIComponent("%3C!--"), "g"), "").replace(RegExp(decodeURIComponent("-%3E"), "g"), "").replace(/\/\//g, "").replace(/url/g, "").replace(/&/g, "").replace(/pointer-event/g, ";").replace(/display\s*:\s*none\s*!\s*important/g, "display: none");
    const uuidv4 = () => {
        let result = "";
        while (result === "" || $(`#${result}, [name="${result}"]`).length > 0) {
            result = ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c =>
                (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
            );
        }
        return result;
    };
    const datasetParser = (ele) => {
        const result = {
            config: {},
            data: {},
        };
        Object.entries(ele.dataset).filter(([n, m]) => n.startsWith("key-") && !/['"<>\\/]/.test(m)).forEach(([__key, _key]) => {
            const value = ele.dataset[`value-${__key.substring(4)}`];
            if (_key.length > 0 && value.length > 0) {
                const isConfig = _key.startsWith("@");
                const key = isConfig ? _key.substring(1) : _key;
                const base = result[isConfig ? "config" : "data"];
                base[key] = value;
                if (/@o(?:n|ff)$/.test(_key)) {
                    const id = _key.replace(/@o(?:n|ff)$/, "");
                    if (!(id in base)) {
                        base[id] = value;
                    }
                } else if (_key.endsWith("@input")) {
                    base[_key] = value;
                    const id = _key.replace(/@input$/, "");
                    if (!(id in base)) {
                        base[id] = "";
                    }
                } else {
                    if (!(`${key}@on` in base)) {
                        base[`${key}@on`] = value;
                    }
                    if (!(`${key}@off` in base)) {
                        base[`${key}@off`] = value;
                    }
                    if (!(`${key}@input` in base)) {
                        base[`${key}@input`] = "";
                    }
                }
            }
        });
        return result;
    };
    const getEntries = (obj) => Object.entries(obj).filter(([k, n]) => !/@(?:on|off|input)$/.test(k) && !/['"<>\\/]/.test(n));
    const triggerChangeHandler = ($ele) => {
        $ele.each((_, ele) => {
            $(ele).triggerHandler("change", [true]);
        });
    };
    const textToggleDisplayStyle = {};
    $(".textToggleDisplayStyle").each((_, ele) => {
        const dataset = datasetParser(ele).data;
        getEntries(dataset).forEach(([id, style]) => {
            textToggleDisplayStyle[id] = style;
        });
    });
    $(".textToggleDisplay").each((_, ele) => {
        if (ele.dataset.id in textToggleDisplayStyle) {
            $(ele).attr("style", cssSanitizer(textToggleDisplayStyle[ele.dataset.id]));
        }
    }).addClass("hidden");
    $(".textToggleDisplayButtons").each((_, ele) => {
        const self = $(ele);
        const parsedDataset = datasetParser(ele);
        const ifRadio = "radio" in parsedDataset.config && parsedDataset.config.radio.length > 0;
        const ifForceNoCancel = "forceNoCancel" in parsedDataset.config && parsedDataset.config.forceNoCancel.length > 0;
        const ifReverse = "reverse" in parsedDataset.config && parsedDataset.config.reverse.length > 0;
        const name = uuidv4();
        let hasDefault = false;
        self.children("span[data-key]").each((_, e) => {
            if (/['"<>\\/]/.test(e.dataset.key)) {
                e.remove();
                return;
            }
            const $e = $(e);
            const input = $("<input/>");
            input.attr({
                "data-id": e.dataset.key,
                type: ifRadio ? "radio" : "checkbox",
            }).addClass(ifReverse ? "textToggleDisplayButtonInputReverse" : "textToggleDisplayButtonInput");
            if (ifRadio) {
                input.attr("name", name);
            }
            const label = $("<label/>");
            $e.children().appendTo(label);
            label.prepend(input).appendTo(e).attr("data-id", e.dataset.key).addClass("textToggleDisplayButtonLabel");
            $e.find("*").each((_, e) => {
                e.addEventListener("click", (evt) => {
                    evt.stopImmediatePropagation();
                    evt.stopPropagation();
                    if (!$(evt.target).is(input)) {
                        evt.preventDefault();
                        if (ifRadio ? !input.prop("checked") : true) {
                            input.prop("checked", !input.prop("checked")).trigger("change");
                        }
                    }
                }, {
                    capture: true,
                });
            });
            if (e.dataset.key === parsedDataset.config.default) {
                input.prop("checked", true);
                hasDefault = true;
            }
        });
        if (ifRadio && (!hasDefault || !ifForceNoCancel)) {
            const input = $("<input/>");
            const inputId = uuidv4();
            input.attr({
                "data-id": "",
                "data-radio-cancel": "true",
                id: inputId,
                name,
                type: "radio",
            }).addClass(ifReverse ? "textToggleDisplayButtonInputReverse" : "textToggleDisplayButtonInput").css({
                "margin-left": "0",
                "margin-right": "0",
                width: "0",
            });
            const label = $("<label/>");
            const span = $("<span/>");
            span.text("取消选择");
            label.attr({
                "data-id": "",
                "for": inputId,
            }).addClass("textToggleDisplayButtonLabel cancelButton");
            self.append(label.append(input).append(span));
            if (!hasDefault) {
                input.prop("checked", true);
            }
        }
    });
    $(".textToggleDisplayButtonsStyle").each((_, ele) => {
        const parsedDataset = datasetParser(ele);
        $(".textToggleDisplayButtonLabel.cancelButton").attr({
            "data-style-off": parsedDataset.config["cancel@off"] || "",
            "data-style-on": parsedDataset.config["cancel@on"] || "",
        });
        $(".textToggleDisplayButtonLabel.cancelButton > input").attr("style", cssSanitizer(parsedDataset.config["cancel@input"]));
        getEntries(parsedDataset.data).forEach(([id]) => {
            $(`.textToggleDisplayButtonLabel[data-id="${id}"]`).attr({
                "data-style-off": parsedDataset.data[`${id}@off`] || "",
                "data-style-on": parsedDataset.data[`${id}@on`] || "",
            }).children("input").attr("style", cssSanitizer(parsedDataset.data[`${id}@input`]));
        });
    });
    triggerChangeHandler($(".textToggleDisplayButtonInput").on("change", ({
        target,
    }, fromTriggerHandler = false) => {
        const {
            dataset: {
                id,
            },
            checked,
        } = target;
        const textToggleDisplayTarget = $(`.textToggleDisplay[data-id="${id}"]`);
        const { config: { toggleClass } } = datasetParser($(target).closest(".textToggleDisplayButtons")[0]);
        const toggleClassName = typeof toggleClass === "string" && toggleClass.length > 0 ? toggleClass : "hidden";
        if (toggleClassName !== "hidden") {
            textToggleDisplayTarget.removeClass("hidden");
        }
        textToggleDisplayTarget[checked ? "removeClass" : "addClass"](toggleClassName)[checked ? "addClass" : "removeClass"]("textToggleDisplay-on");
        textToggleDisplayTarget.prev(".textToggleDisplay")[checked ? "addClass" : "removeClass"]("textToggleDisplay-before-on");
        textToggleDisplayTarget.next(".textToggleDisplay")[checked ? "addClass" : "removeClass"]("textToggleDisplay-after-on");
        const self = $(target);
        const label = self.closest(".textToggleDisplayButtonLabel");
        const span = label.children(".on");
        label[checked ? "addClass" : "removeClass"]("on").attr("style", cssSanitizer(label.attr(checked ? "data-style-on" : "data-style-off")));
        if (checked) {
            span.attr("style", cssSanitizer(textToggleDisplayStyle[id]));
        } else {
            span.removeAttr("style");
        }
        const labelContainer = label.closest("span[data-order][data-key]");
        labelContainer.prev("span[data-order][data-key]").children(".textToggleDisplayButtonLabel").last()[checked ? "addClass" : "removeClass"]("before-on");
        labelContainer.next("span[data-order][data-key]").children(".textToggleDisplayButtonLabel").first()[checked ? "addClass" : "removeClass"]("after-on");
        if (!fromTriggerHandler) {
            triggerChangeHandler(self.closest(".textToggleDisplayButtons").find("input").not(target));
        }
    }));
    triggerChangeHandler($(".textToggleDisplayButtonInputReverse").on("change", ({
        target,
    }, fromTriggerHandler = false) => {
        const {
            dataset: {
                id,
                radioCancel,
            },
            checked,
        } = target;
        const isRadioCancel = (radioCancel || "").length > 0;
        const self = $(target);
        const label = self.closest(".textToggleDisplayButtonLabel");
        if (isRadioCancel) {
            label[checked ? "addClass" : "removeClass"]("on").attr("style", cssSanitizer(label.attr(checked ? "data-style-on" : "data-style-off")));
        } else {
            const textToggleDisplayTarget = $(`.textToggleDisplay[data-id="${id}"]`);
            const { config: { toggleClass } } = datasetParser($(target).closest(".textToggleDisplayButtons")[0]);
            const toggleClassName = typeof toggleClass === "string" && toggleClass.length > 0 ? toggleClass : "hidden";
            if (toggleClassName !== "hidden") {
                textToggleDisplayTarget.removeClass("hidden");
            }
            textToggleDisplayTarget[checked ? "addClass" : "removeClass"](toggleClassName)[checked ? "removeClass" : "addClass"]("textToggleDisplay-on");
            textToggleDisplayTarget.prev(".textToggleDisplay")[checked ? "removeClass" : "addClass"]("textToggleDisplay-before-on");
            textToggleDisplayTarget.next(".textToggleDisplay")[checked ? "removeClass" : "addClass"]("textToggleDisplay-after-on");
            const span = label.children("span");
            label[checked ? "removeClass" : "addClass"]("on").attr("style", cssSanitizer(label.attr(checked ? "data-style-off" : "data-style-on")));
            if (checked) {
                span.removeAttr(".on");
            } else {
                span.attr("style", cssSanitizer(textToggleDisplayStyle[id]));
            }
        }
        const labelContainer = label.closest("span[data-order][data-key]");
        labelContainer.prev("span[data-order][data-key]").children(".textToggleDisplayButtonLabel").last()[checked ? "addClass" : "removeClass"]("before-on");
        labelContainer.next("span[data-order][data-key]").children(".textToggleDisplayButtonLabel").first()[checked ? "addClass" : "removeClass"]("after-on");
        if (!fromTriggerHandler) {
            triggerChangeHandler(self.closest(".textToggleDisplayButtons").find("input").not(target));
        }
    }));
    $(window).on("beforeunload", () => {
        $(".textToggleDisplayButtons input[type=checkbox]").prop("checked", false);
    });
}());