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| 1 | +import * as fs from "fs"; |
| 2 | +import * as path from "path"; |
| 3 | + |
| 4 | +export enum LuaLibFeature { |
| 5 | + ArrayConcat = "ArrayConcat", |
| 6 | + ArrayEvery = "ArrayEvery", |
| 7 | + ArrayFilter = "ArrayFilter", |
| 8 | + ArrayForEach = "ArrayForEach", |
| 9 | + ArrayIndexOf = "ArrayIndexOf", |
| 10 | + ArrayMap = "ArrayMap", |
| 11 | + ArrayPush = "ArrayPush", |
| 12 | + ArrayReverse = "ArrayReverse", |
| 13 | + ArrayShift = "ArrayShift", |
| 14 | + ArrayUnshift = "ArrayUnshift", |
| 15 | + ArraySort = "ArraySort", |
| 16 | + ArraySlice = "ArraySlice", |
| 17 | + ArraySome = "ArraySome", |
| 18 | + ArraySplice = "ArraySplice", |
| 19 | + FunctionApply = "FunctionApply", |
| 20 | + FunctionBind = "FunctionBind", |
| 21 | + FunctionCall = "FunctionCall", |
| 22 | + InstanceOf = "InstanceOf", |
| 23 | + Iterator = "Iterator", |
| 24 | + Map = "Map", |
| 25 | + Set = "Set", |
| 26 | + StringReplace = "StringReplace", |
| 27 | + StringSplit = "StringSplit", |
| 28 | + Symbol = "Symbol", |
| 29 | + Ternary = "Ternary", |
| 30 | +} |
| 31 | + |
| 32 | +const luaLibDependencies: { [lib in LuaLibFeature]?: LuaLibFeature[] } = { |
| 33 | + Iterator: [LuaLibFeature.Symbol], |
| 34 | + Map: [LuaLibFeature.InstanceOf, LuaLibFeature.Iterator, LuaLibFeature.Symbol], |
| 35 | + Set: [LuaLibFeature.InstanceOf, LuaLibFeature.Iterator, LuaLibFeature.Symbol], |
| 36 | +}; |
| 37 | + |
| 38 | +export class LuaLib { |
| 39 | + public static loadFeatures(features: Iterable<LuaLibFeature>): string { |
| 40 | + let result = ""; |
| 41 | + |
| 42 | + const loadedFeatures = new Set<LuaLibFeature>(); |
| 43 | + |
| 44 | + function load(feature: LuaLibFeature): void { |
| 45 | + if (!loadedFeatures.has(feature)) { |
| 46 | + loadedFeatures.add(feature); |
| 47 | + if (luaLibDependencies[feature]) { |
| 48 | + luaLibDependencies[feature].forEach(load); |
| 49 | + } |
| 50 | + const featureFile = path.resolve(__dirname, `../dist/lualib/${feature}.lua`); |
| 51 | + result += fs.readFileSync(featureFile).toString() + "\n"; |
| 52 | + } |
| 53 | + } |
| 54 | + |
| 55 | + for (const feature of features) { |
| 56 | + load(feature); |
| 57 | + } |
| 58 | + return result; |
| 59 | + } |
| 60 | +} |
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