71 lines
1.9 KiB
TypeScript
71 lines
1.9 KiB
TypeScript
import {
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jsToLuaValue,
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LuaBuiltinFunction,
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LuaTable,
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luaValueToJS,
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} from "$common/space_lua/runtime.ts";
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export const jsApi = new LuaTable({
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/**
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* Creates a new instance of a JavaScript class.
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* @param constructorFn - The constructor function.
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* @param args - The arguments to pass to the constructor.
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* @returns The new instance.
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*/
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new: new LuaBuiltinFunction(
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(_sf, constructorFn: any, ...args) => {
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return new constructorFn(
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...args.map(luaValueToJS),
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);
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},
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),
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/**
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* Imports a JavaScript module.
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* @param url - The URL of the module to import.
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* @returns The imported module.
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*/
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import: new LuaBuiltinFunction(async (_sf, url) => {
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let m = await import(url);
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// Unwrap default if it exists
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if (Object.keys(m).length === 1 && m.default) {
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m = m.default;
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}
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return m;
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}),
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each_iterable: new LuaBuiltinFunction((_sf, val) => {
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const iterator = val[Symbol.asyncIterator]();
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return async () => {
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const result = await iterator.next();
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if (result.done) {
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return;
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}
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return result.value;
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};
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}),
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/**
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* Converts a JavaScript value to a Lua value.
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* @param val - The JavaScript value to convert.
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* @returns The Lua value.
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*/
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tolua: new LuaBuiltinFunction((_sf, val) => jsToLuaValue(val)),
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/**
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* Converts a Lua value to a JavaScript value.
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* @param val - The Lua value to convert.
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* @returns The JavaScript value.
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*/
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tojs: new LuaBuiltinFunction((_sf, val) => luaValueToJS(val)),
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/**
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* Logs a message to the console.
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* @param args - The arguments to log.
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*/
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log: new LuaBuiltinFunction((_sf, ...args) => {
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console.log(...args);
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}),
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/**
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* Converts a Lua value to a JSON string.
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* @param val - The Lua value to convert.
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* @returns The JSON string.
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*/
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stringify: new LuaBuiltinFunction((_sf, val) => JSON.stringify(val)),
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});
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