webpack/lib/JsonParser.js

34 lines
951 B
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const parseJson = require("json-parse-better-errors");
const StaticExportsDependency = require("./dependencies/StaticExportsDependency");
/** @typedef {import("./NormalModule").ParserState} ParserState */
class JsonParser {
/**
* @param {string} source the source to parse
* @param {ParserState} state the parser state
* @returns {ParserState} the parser state
*/
parse(source, state) {
const data = parseJson(source[0] === "\ufeff" ? source.slice(1) : source);
state.module.buildInfo.jsonData = data;
state.module.buildMeta.exportsType = "named";
if (typeof data === "object" && data) {
state.module.addDependency(
new StaticExportsDependency(Object.keys(data), true)
);
}
state.module.addDependency(new StaticExportsDependency(["default"], true));
return state;
}
}
module.exports = JsonParser;