| 1 | const path = require('path');
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| 2 | const Packager = require('./Packager');
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| 3 | const SourceMap = require('../SourceMap');
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| 4 |
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| 5 | class SourceMapPackager extends Packager {
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| 6 | async start() {
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| 7 | this.sourceMap = new SourceMap();
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| 8 | }
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| 9 |
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| 10 | async addAsset(asset) {
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| 11 | let offsets = this.bundle.parentBundle.getOffset(asset);
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| 12 | if (asset.sourceMaps[asset.type]) {
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| 13 | await this.sourceMap.addMap(
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| 14 | asset.sourceMaps[asset.type],
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| 15 | offsets[0],
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| 16 | offsets[1]
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| 17 | );
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| 18 | }
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| 19 | }
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| 20 |
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| 21 | async end() {
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| 22 | let file = path.basename(this.bundle.parentBundle.name);
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| 23 |
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| 24 | await this.write(
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| 25 | this.sourceMap.stringify(
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| 26 | file,
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| 27 | path.relative(this.options.outDir, this.options.rootDir)
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| 28 | )
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| 29 | );
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| 30 | await super.end();
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| 31 | }
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| 32 | }
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| 33 |
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| 34 | module.exports = SourceMapPackager;
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