159 lines
6.8 KiB
JavaScript
159 lines
6.8 KiB
JavaScript
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// SPDX-License-Identifier: MIT
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// Copyright © 2021 fvtt-lib-wrapper Rui Pinheiro
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"use strict";
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// A shim for the libWrapper library
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export let libWrapper = undefined;
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export const VERSIONS = [1, 12, 1];
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export const TGT_SPLIT_RE = new RegExp("([^.[]+|\\[('([^'\\\\]|\\\\.)+?'|\"([^\"\\\\]|\\\\.)+?\")\\])", "g");
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export const TGT_CLEANUP_RE = new RegExp("(^\\['|'\\]$|^\\[\"|\"\\]$)", "g");
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// Main shim code
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Hooks.once("init", () => {
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// Check if the real module is already loaded - if so, use it
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if (globalThis.libWrapper && !(globalThis.libWrapper.is_fallback ?? true)) {
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libWrapper = globalThis.libWrapper;
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return;
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}
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// Fallback implementation
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libWrapper = class {
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static get is_fallback() {
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return true;
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}
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static get WRAPPER() {
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return "WRAPPER";
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}
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static get MIXED() {
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return "MIXED";
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}
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static get OVERRIDE() {
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return "OVERRIDE";
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}
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static register(package_id, target, fn, type = "MIXED", { chain = undefined, bind = [] } = {}) {
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const is_setter = target.endsWith("#set");
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target = !is_setter ? target : target.slice(0, -4);
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const split = target.match(TGT_SPLIT_RE).map((x) => x.replace(/\\(.)/g, "$1").replace(TGT_CLEANUP_RE, ""));
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const root_nm = split.splice(0, 1)[0];
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let obj, fn_name;
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if (split.length == 0) {
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obj = globalThis;
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fn_name = root_nm;
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} else {
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const _eval = eval;
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fn_name = split.pop();
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obj = split.reduce((x, y) => x[y], globalThis[root_nm] ?? _eval(root_nm));
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}
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let iObj = obj;
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let descriptor = null;
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while (iObj) {
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descriptor = Object.getOwnPropertyDescriptor(iObj, fn_name);
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if (descriptor) break;
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iObj = Object.getPrototypeOf(iObj);
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}
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if (!descriptor || descriptor?.configurable === false)
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throw new Error(
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`libWrapper Shim: '${target}' does not exist, could not be found, or has a non-configurable descriptor.`
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);
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let original = null;
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const wrapper =
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chain ?? (type.toUpperCase?.() != "OVERRIDE" && type != 3)
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? function (...args) {
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return fn.call(this, original.bind(this), ...bind, ...args);
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}
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: function (...args) {
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return fn.call(this, ...bind, ...args);
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};
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if (!is_setter) {
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if (descriptor.value) {
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original = descriptor.value;
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descriptor.value = wrapper;
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} else {
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original = descriptor.get;
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descriptor.get = wrapper;
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}
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} else {
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if (!descriptor.set) throw new Error(`libWrapper Shim: '${target}' does not have a setter`);
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original = descriptor.set;
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descriptor.set = wrapper;
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}
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descriptor.configurable = true;
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Object.defineProperty(obj, fn_name, descriptor);
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}
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};
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//************** USER CUSTOMIZABLE:
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// Set up the ready hook that shows the "libWrapper not installed" warning dialog. Remove if undesired.
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{
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//************** USER CUSTOMIZABLE:
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// Package ID & Package Title - by default attempts to auto-detect, but you might want to hardcode your package ID and title here to avoid potential auto-detect issues
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const [PACKAGE_ID, PACKAGE_TITLE] = (() => {
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const match = (import.meta?.url ?? Error().stack)?.match(/\/(worlds|systems|modules)\/(.+)(?=\/)/i);
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if (match?.length !== 3) return [null, null];
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const dirs = match[2].split("/");
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if (match[1] === "worlds")
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return dirs.find((n) => n && game.world.id === n) ? [game.world.id, game.world.title] : [null, null];
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if (match[1] === "systems")
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return dirs.find((n) => n && game.system.id === n)
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? [game.system.id, game.system.data.title]
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: [null, null];
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const id = dirs.find((n) => n && game.modules.has(n));
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return [id, game.modules.get(id)?.data?.title];
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})();
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if (!PACKAGE_ID || !PACKAGE_TITLE) {
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console.error(
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"libWrapper Shim: Could not auto-detect package ID and/or title. The libWrapper fallback warning dialog will be disabled."
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);
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return;
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}
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Hooks.once("ready", () => {
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//************** USER CUSTOMIZABLE:
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// Title and message for the dialog shown when the real libWrapper is not installed.
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const FALLBACK_MESSAGE_TITLE = PACKAGE_TITLE;
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const FALLBACK_MESSAGE = `
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<p><b>'${PACKAGE_TITLE}' depends on the 'libWrapper' module, which is not present.</b></p>
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<p>A fallback implementation will be used, which increases the chance of compatibility issues with other modules.</p>
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<small><p>'libWrapper' is a library which provides package developers with a simple way to modify core Foundry VTT code, while reducing the likelihood of conflict with other packages.</p>
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<p>You can install it from the "Add-on Modules" tab in the <a href="javascript:game.shutDown()">Foundry VTT Setup</a>, from the <a href="https://foundryvtt.com/packages/lib-wrapper">Foundry VTT package repository</a>, or from <a href="https://github.com/ruipin/fvtt-lib-wrapper/">libWrapper's Github page</a>.</p></small>
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`;
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// Settings key used for the "Don't remind me again" setting
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const DONT_REMIND_AGAIN_KEY = "libwrapper-dont-remind-again";
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// Dialog code
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console.warn(`${PACKAGE_TITLE}: libWrapper not present, using fallback implementation.`);
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game.settings.register(PACKAGE_ID, DONT_REMIND_AGAIN_KEY, {
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name: "",
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default: false,
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type: Boolean,
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scope: "world",
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config: false,
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});
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if (game.user.isGM && !game.settings.get(PACKAGE_ID, DONT_REMIND_AGAIN_KEY)) {
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new Dialog({
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title: FALLBACK_MESSAGE_TITLE,
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content: FALLBACK_MESSAGE,
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buttons: {
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ok: { icon: '<i class="fas fa-check"></i>', label: "Understood" },
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dont_remind: {
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icon: '<i class="fas fa-times"></i>',
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label: "Don't remind me again",
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callback: () => game.settings.set(PACKAGE_ID, DONT_REMIND_AGAIN_KEY, true),
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},
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},
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}).render(true);
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}
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});
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}
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});
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