motoko/lib/utils/resolveEntryPoint.js

Compile and run Motoko smart contracts in Node.js or the browser.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.resolveLib = exports.resolveMain = void 0;
// function getOne<T>(values: T[]): T | undefined {
//     if (values.length) {
//         return values[0];
//     }
// }
function resolveEntryPoint(mo, directory, expected) {
    directory = directory || '';
    if (directory && !directory.endsWith('/')) {
        directory += '/';
    }
    const moFiles = mo.list(directory).filter((f) => /\.mo$/i.test(f));
    if (moFiles.length === 1) {
        return moFiles[0];
    }
    else if (moFiles.length === 0) {
        throw new Error('Could not find any Motoko files in the top-level directory');
    }
    const expectedFiles = moFiles.filter((f) => f.toLowerCase() === expected.toLowerCase());
    if (expectedFiles.length === 1) {
        return expectedFiles[0];
    }
    else if (expectedFiles.length > 1) {
        throw new Error(`Found ${expectedFiles.length} entry point files with different capitalization`);
    }
    throw new Error(`Found ${moFiles.length} possible entry points. Please rename one of these files to '${expected}'`);
    // TODO: evaluate whether we want to choose an entry point by parsing files
    // const parsedFiles = moFiles.map((f) => {
    //     try {
    //         return mo.parseMotoko(mo.read(directory + f));
    //     } catch (err) {
    //         throw new Error(`Parse error in ${f}`);
    //     }
    // });
    // console.log(parsedFiles);
    // return getOne(parsedFiles.filter());
}
function resolveMain(mo, directory) {
    return resolveEntryPoint(mo, directory, 'Main.mo');
}
exports.resolveMain = resolveMain;
function resolveLib(mo, directory) {
    return resolveEntryPoint(mo, directory, 'Lib.mo');
}
exports.resolveLib = resolveLib;
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