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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| // Copyright © 2021 fvtt-lib-wrapper Rui Pinheiro | ||
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| 'use strict'; | ||
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| // A shim for the libWrapper library | ||
| export let libWrapper = undefined; | ||
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| export const VERSIONS = [1,12,2]; | ||
| export const TGT_SPLIT_RE = new RegExp("([^.[]+|\\[('([^'\\\\]|\\\\.)+?'|\"([^\"\\\\]|\\\\.)+?\")\\])", 'g'); | ||
| export const TGT_CLEANUP_RE = new RegExp("(^\\['|'\\]$|^\\[\"|\"\\]$)", 'g'); | ||
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| // Main shim code | ||
| Hooks.once('init', () => { | ||
| // Check if the real module is already loaded - if so, use it | ||
| if(globalThis.libWrapper && !(globalThis.libWrapper.is_fallback ?? true)) { | ||
| libWrapper = globalThis.libWrapper; | ||
| return; | ||
| } | ||
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| // Fallback implementation | ||
| libWrapper = class { | ||
| static get is_fallback() { return true }; | ||
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| static get WRAPPER() { return 'WRAPPER' }; | ||
| static get MIXED() { return 'MIXED' }; | ||
| static get OVERRIDE() { return 'OVERRIDE' }; | ||
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| static register(package_id, target, fn, type="MIXED", {chain=undefined, bind=[]}={}) { | ||
| const is_setter = target.endsWith('#set'); | ||
| target = !is_setter ? target : target.slice(0, -4); | ||
| const split = target.match(TGT_SPLIT_RE).map((x)=>x.replace(/\\(.)/g, '$1').replace(TGT_CLEANUP_RE,'')); | ||
| const root_nm = split.splice(0,1)[0]; | ||
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| let obj, fn_name; | ||
| if(split.length == 0) { | ||
| obj = globalThis; | ||
| fn_name = root_nm; | ||
| } | ||
| else { | ||
| const _eval = eval; | ||
| fn_name = split.pop(); | ||
| obj = split.reduce((x,y)=>x[y], globalThis[root_nm] ?? _eval(root_nm)); | ||
| } | ||
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| let iObj = obj; | ||
| let descriptor = null; | ||
| while(iObj) { | ||
| descriptor = Object.getOwnPropertyDescriptor(iObj, fn_name); | ||
| if(descriptor) break; | ||
| iObj = Object.getPrototypeOf(iObj); | ||
| } | ||
| if(!descriptor || descriptor?.configurable === false) throw new Error(`libWrapper Shim: '${target}' does not exist, could not be found, or has a non-configurable descriptor.`); | ||
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| let original = null; | ||
| const wrapper = (chain ?? (type.toUpperCase?.() != 'OVERRIDE' && type != 3)) ? | ||
| function(...args) { return fn.call(this, original.bind(this), ...bind, ...args); } : | ||
| function(...args) { return fn.call(this, ...bind, ...args); } | ||
| ; | ||
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| if(!is_setter) { | ||
| if(descriptor.value) { | ||
| original = descriptor.value; | ||
| descriptor.value = wrapper; | ||
| } | ||
| else { | ||
| original = descriptor.get; | ||
| descriptor.get = wrapper; | ||
| } | ||
| } | ||
| else { | ||
| if(!descriptor.set) throw new Error(`libWrapper Shim: '${target}' does not have a setter`); | ||
| original = descriptor.set; | ||
| descriptor.set = wrapper; | ||
| } | ||
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| descriptor.configurable = true; | ||
| Object.defineProperty(obj, fn_name, descriptor); | ||
| } | ||
| } | ||
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| //************** USER CUSTOMIZABLE: | ||
| // Set up the ready hook that shows the "libWrapper not installed" warning dialog. Remove if undesired. | ||
| { | ||
| //************** USER CUSTOMIZABLE: | ||
| // 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 | ||
| const [PACKAGE_ID, PACKAGE_TITLE] = (()=>{ | ||
| const match = (import.meta?.url ?? Error().stack)?.match(/\/(worlds|systems|modules)\/(.+)(?=\/)/i); | ||
| if(match?.length !== 3) return [null,null]; | ||
| const dirs = match[2].split('/'); | ||
| if(match[1] === 'worlds') return dirs.find(n => n && game.world.id === n) ? [game.world.id, game.world.title] : [null,null]; | ||
| if(match[1] === 'systems') return dirs.find(n => n && game.system.id === n) ? [game.system.id, game.system.title ?? game.system.data.title] : [null,null]; | ||
| const id = dirs.find(n => n && game.modules.has(n)); | ||
| const mdl = game.modules.get(id); | ||
| return [id, mdl?.title ?? mdl?.data?.title]; | ||
| })(); | ||
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| if(!PACKAGE_ID || !PACKAGE_TITLE) { | ||
| console.error("libWrapper Shim: Could not auto-detect package ID and/or title. The libWrapper fallback warning dialog will be disabled."); | ||
| } | ||
| } | ||
| }); |
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