esbuild-plugin-kaitai/dist/kaitai/api.js

An esbuild plugin for importing Kaitai Struct files.

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.compileKaitaiApi = void 0;
const fs_1 = require("fs");
const path_1 = __importDefault(require("path"));
const yaml_1 = __importDefault(require("yaml"));
class DefaultFileLoader {
    constructor(root) {
        this.root = root;
    }
    importYaml(filePath, mode) {
        return __awaiter(this, void 0, void 0, function* () {
            const resolvedPath = mode == 'abs' ? filePath : path_1.default.resolve(this.root, filePath);
            const fileContent = yield fs_1.promises.readFile(resolvedPath, { encoding: 'utf-8' });
            return yaml_1.default.parse(fileContent);
        });
    }
}
/**
 * Compiles a ksy file with the given API compiler.
 * @param filePath The path to the file to compile.
 * @param options The compilation options.
 * @returns The results of the compilation.
 */
function compileKaitaiApi(filePath, options) {
    return __awaiter(this, void 0, void 0, function* () {
        const root = path_1.default.dirname(filePath);
        const fileLoader = options.fileLoader || new DefaultFileLoader(root);
        const compiler = options.compiler;
        const fileData = yield fileLoader.importYaml(filePath, 'abs');
        const results = yield compiler.compile('javascript', fileData, fileLoader, false);
        // Assume the first output file is the only one
        const output = Object.values(results)[0];
        return {
            contents: output,
            loader: 'js',
            resolveDir: root
        };
    });
}
exports.compileKaitaiApi = compileKaitaiApi;