59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
import { parse as espreeParse } from "espree";
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import createError from "../../common/parser-create-error.js";
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import tryCombinations from "../../utils/try-combinations.js";
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import createParser from "./utils/create-parser.js";
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import postprocess from "./postprocess/index.js";
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import getSourceType from "./utils/get-source-type.js";
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/** @type {import("espree").Options} */
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const parseOptions = {
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ecmaVersion: "latest",
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range: true,
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loc: true,
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comment: true,
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tokens: true,
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sourceType: "module",
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ecmaFeatures: {
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jsx: true,
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globalReturn: true,
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impliedStrict: false,
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},
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};
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function createParseError(error) {
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const { message, lineNumber, column } = error;
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/* c8 ignore next 3 */
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if (typeof lineNumber !== "number") {
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return error;
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}
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return createError(message, {
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loc: { start: { line: lineNumber, column } },
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cause: error,
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});
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}
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function parse(text, options = {}) {
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const sourceType = getSourceType(options);
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// prettier-ignore
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const combinations = (
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sourceType
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? /** @type {const} */([sourceType])
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: /** @type {const} */(["module", "script"])
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).map(
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(sourceType) => () => espreeParse(text, { ...parseOptions, sourceType })
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);
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let ast;
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try {
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ast = tryCombinations(combinations);
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} catch (/** @type {any} */ { errors: [error] }) {
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throw createParseError(error);
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}
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return postprocess(ast, { text });
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}
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export const espree = createParser(parse);
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