38 lines
1 KiB
JavaScript
38 lines
1 KiB
JavaScript
'use strict';
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var pluginutils = require('@rollup/pluginutils');
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var istanbul = require('istanbul-lib-instrument');
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function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
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var istanbul__default = /*#__PURE__*/_interopDefaultLegacy(istanbul);
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function index (options = {}) {
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const filter = pluginutils.createFilter(options.include, options.exclude);
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return {
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name: 'istanbul',
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transform (code, id) {
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if (!filter(id)) return;
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let instrumenter;
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const instrumenterConfig = Object.assign({
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esModules: true,
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compact: true,
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produceSourceMap: true,
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autoWrap: true,
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preserveComments: true
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}, options.instrumenterConfig);
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instrumenter = new (options.instrumenter || istanbul__default['default']).createInstrumenter(instrumenterConfig);
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code = instrumenter.instrumentSync(code, id);
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const map = instrumenter.lastSourceMap();
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return { code, map };
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}
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};
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}
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module.exports = index;
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