rolldown
Version:
Fast JavaScript/TypeScript bundler in Rust with Rollup-compatible API.
99 lines (95 loc) • 3.17 kB
JavaScript
import { n as __toESM, t as require_binding } from "./binding-B_TbiTj8.mjs";
import { l as locate, n as error, s as logParseError, t as augmentCodeLocation, u as getCodeFrame } from "./logs-Up1RAnkl.mjs";
//#region ../../node_modules/.pnpm/oxc-parser@0.106.0/node_modules/oxc-parser/src-js/wrap.js
function wrap$1(result) {
let program, module, comments, errors;
return {
get program() {
if (!program) program = jsonParseAst(result.program);
return program;
},
get module() {
if (!module) module = result.module;
return module;
},
get comments() {
if (!comments) comments = result.comments;
return comments;
},
get errors() {
if (!errors) errors = result.errors;
return errors;
}
};
}
function jsonParseAst(programJson) {
const { node: program, fixes } = JSON.parse(programJson);
for (const fixPath of fixes) applyFix(program, fixPath);
return program;
}
function applyFix(program, fixPath) {
let node = program;
for (const key of fixPath) node = node[key];
if (node.bigint) node.value = BigInt(node.bigint);
else try {
node.value = RegExp(node.regex.pattern, node.regex.flags);
} catch {}
}
//#endregion
//#region src/utils/parse.ts
var import_binding = /* @__PURE__ */ __toESM(require_binding(), 1);
/**
* Parse asynchronously.
*
* Note: This function can be slower than `parseSync` due to the overhead of spawning a thread.
*/
async function parse(filename, sourceText, options) {
return wrap$1(await (0, import_binding.parse)(filename, sourceText, options));
}
/** Parse synchronously. */
function parseSync(filename, sourceText, options) {
return wrap$1((0, import_binding.parseSync)(filename, sourceText, options));
}
//#endregion
//#region src/parse-ast-index.ts
function wrap(result, filename, sourceText) {
if (result.errors.length > 0) return normalizeParseError(filename, sourceText, result.errors);
return result.program;
}
function normalizeParseError(filename, sourceText, errors) {
let message = `Parse failed with ${errors.length} error${errors.length < 2 ? "" : "s"}:\n`;
const pos = errors[0]?.labels?.[0]?.start;
for (let i = 0; i < errors.length; i++) {
if (i >= 5) {
message += "\n...";
break;
}
const e = errors[i];
message += e.message + "\n" + e.labels.map((label) => {
const location = locate(sourceText, label.start, { offsetLine: 1 });
if (!location) return;
return getCodeFrame(sourceText, location.line, location.column);
}).filter(Boolean).join("\n");
}
const log = logParseError(message, filename, pos);
if (pos !== void 0 && filename) augmentCodeLocation(log, pos, sourceText, filename);
return error(log);
}
const defaultParserOptions = {
lang: "js",
preserveParens: false
};
function parseAst(sourceText, options, filename) {
return wrap(parseSync(filename ?? "file.js", sourceText, {
...defaultParserOptions,
...options
}), filename, sourceText);
}
async function parseAstAsync(sourceText, options, filename) {
return wrap(await parse(filename ?? "file.js", sourceText, {
...defaultParserOptions,
...options
}), filename, sourceText);
}
//#endregion
export { parseSync as i, parseAstAsync as n, parse as r, parseAst as t };