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File size: 1,853 Bytes
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"use strict";
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const ts = __importStar(require("typescript"));
const fs_1 = require("fs");
const path_1 = require("path");
/**
* Script that adds .js extension to imports so that it's compatible with plain
* browser/non-webpack bundlers. TS doesn't support this natively yet.
* @see https://github.com/microsoft/TypeScript/issues/16577
*/
function processFile(file) {
let source = fs_1.readFileSync(file, 'utf-8');
const program = ts.createSourceFile(path_1.basename(file), source, ts.ScriptTarget.ES2015, true);
let offset = 0;
const process = (node) => {
if ((!ts.isImportDeclaration(node) && !ts.isExportDeclaration(node)) || !node.moduleSpecifier) {
return ts.forEachChild(node, process);
}
const specifier = node.moduleSpecifier;
if (path_1.extname(specifier.getText()) === '') {
const idx = specifier.end + offset - 1;
source = source.slice(0, idx) + '.js' + source.slice(idx);
offset += 3;
}
};
process(program);
fs_1.writeFileSync(file, source);
}
function processDir(dir) {
const entries = fs_1.readdirSync(dir);
for (const entry of entries) {
const path = path_1.join(dir, entry);
if (path.endsWith('.js')) {
processFile(path);
}
else if (fs_1.statSync(path).isDirectory()) {
processDir(path);
}
}
}
processDir(path_1.resolve(__dirname, '..', '..', 'esm'));
//# sourceMappingURL=add-js-extensions.js.map |