TanTan
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61 lines
2.1 KiB
Plaintext
61 lines
2.1 KiB
Plaintext
import { l as locate, n as error, s as logParseError, t as augmentCodeLocation, u as getCodeFrame } from "./shared/logs-ZGEh6uhb.mjs";
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import { n as parseSync, t as parse } from "./shared/parse-D4dtlfWy.mjs";
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//#region src/parse-ast-index.ts
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function wrap(result, filename, sourceText) {
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if (result.errors.length > 0) return normalizeParseError(filename, sourceText, result.errors);
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return result.program;
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}
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function normalizeParseError(filename, sourceText, errors) {
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let message = `Parse failed with ${errors.length} error${errors.length < 2 ? "" : "s"}:\n`;
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const pos = errors[0]?.labels?.[0]?.start;
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for (let i = 0; i < errors.length; i++) {
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if (i >= 5) {
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message += "\n...";
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break;
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}
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const e = errors[i];
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message += e.message + "\n" + e.labels.map((label) => {
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const location = locate(sourceText, label.start, { offsetLine: 1 });
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if (!location) return;
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return getCodeFrame(sourceText, location.line, location.column);
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}).filter(Boolean).join("\n");
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}
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const log = logParseError(message, filename, pos);
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if (pos !== void 0 && filename) augmentCodeLocation(log, pos, sourceText, filename);
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return error(log);
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}
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const defaultParserOptions = {
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lang: "js",
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preserveParens: false
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};
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/**
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* Parse code synchronously and return the AST.
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*
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* This function is similar to Rollup's `parseAst` function.
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* Prefer using {@linkcode parseSync} instead of this function as it has more information in the return value.
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*
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* @category Utilities
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*/
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function parseAst(sourceText, options, filename) {
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return wrap(parseSync(filename ?? "file.js", sourceText, {
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...defaultParserOptions,
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...options
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}), filename, sourceText);
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}
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/**
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* Parse code asynchronously and return the AST.
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*
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* This function is similar to Rollup's `parseAstAsync` function.
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* Prefer using {@linkcode parseAsync} instead of this function as it has more information in the return value.
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*
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* @category Utilities
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*/
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async function parseAstAsync(sourceText, options, filename) {
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return wrap(await parse(filename ?? "file.js", sourceText, {
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...defaultParserOptions,
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...options
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}), filename, sourceText);
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}
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//#endregion
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export { parseAst, parseAstAsync };
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