ts-transform-esm-import/dist/helper.js

Rewrite TypeScript import paths to ES Modules import paths

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.pathWithExt = pathWithExt;
exports.jsPath = jsPath;
exports.tsPath = tsPath;
exports.fileExists = fileExists;
exports.pathMustExist = pathMustExist;
exports.relativePath = relativePath;
exports.isDynamicImport = isDynamicImport;
exports.changeTSToJS = changeTSToJS;
exports.getDestImportFromProjectTS = getDestImportFromProjectTS;
exports.getDestImportFromExternalJS = getDestImportFromExternalJS;
exports.getDestFile = getDestFile;
exports.getModuleNameFromImport = getModuleNameFromImport;
const path = __importStar(require("path"));
const ts = __importStar(require("typescript"));
const fs = __importStar(require("fs"));
function pathWithExt(s, ext) {
    if (path.extname(s) === `.${ext}`) {
        return s;
    }
    return `${s}.${ext}`;
}
function jsPath(s) {
    return pathWithExt(s, 'js');
}
function tsPath(s) {
    const ext = path.extname(s);
    if (ext === '.js') {
        return `${s.substring(0, s.length - '.js'.length)}.ts`;
    }
    return `${s}.ts`;
}
function fileExists(s) {
    return fs.existsSync(s);
}
function pathMustExist(s) {
    if (!fileExists(s)) {
        const msg = `The path "${s}" doesn't exist`;
        console.error(`ERROR: ${msg}`);
    }
    return s;
}
function relativePath(from, to) {
    const res = path.relative(from, to);
    if (res[0] !== '.') {
        return `./${res}`;
    }
    return res;
}
function isDynamicImport(node) {
    return ts.isCallExpression(node) && node.expression.kind === ts.SyntaxKind.ImportKeyword;
}
function changeTSToJS(file) {
    if (path.extname(file) === '.ts') {
        return `${file.substr(0, file.length - 3)}.js`;
    }
    return file;
}
function getDestImportFromProjectTS(currentDir, targetFile, rootDir, outDir) {
    const rel = relativePath(rootDir, changeTSToJS(targetFile));
    const destAbs = path.join(outDir, rel);
    return relativePath(currentDir, destAbs);
}
function getDestImportFromExternalJS(currentDir, targetFile) {
    return relativePath(currentDir, targetFile);
}
function getDestFile(sf, rootDir, outDir) {
    if (!sf.fileName) {
        throw new Error(`Unexpected empty file name at ${sf.getText()}`);
    }
    const absPath = path.resolve(sf.fileName);
    const relPath = relativePath(rootDir, absPath);
    return path.join(outDir, relPath);
}
function getModuleNameFromImport(importPath) {
    const idx = importPath.indexOf('/');
    return idx >= 0 ? importPath.substring(0, idx) : importPath;
}
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