2021-03-01 15:06:11 +08:00

41 lines
1.1 KiB
JavaScript

'use strict';
var pluginutils = require('@rollup/pluginutils');
function json(options) {
if ( options === void 0 ) options = {};
var filter = pluginutils.createFilter(options.include, options.exclude);
var indent = 'indent' in options ? options.indent : '\t';
return {
name: 'json',
// eslint-disable-next-line no-shadow
transform: function transform(json, id) {
if (id.slice(-5) !== '.json' || !filter(id)) { return null; }
try {
var parsed = JSON.parse(json);
return {
code: pluginutils.dataToEsm(parsed, {
preferConst: options.preferConst,
compact: options.compact,
namedExports: options.namedExports,
indent: indent
}),
map: { mappings: '' }
};
} catch (err) {
var message = 'Could not parse JSON file';
var position = parseInt(/[\d]/.exec(err.message)[0], 10);
this.warn({ message: message, id: id, position: position });
return null;
}
}
};
}
module.exports = json;
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