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21 lines
1.1 KiB
Markdown
21 lines
1.1 KiB
Markdown
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In order to ensure our source maps trace back properly (and code
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size analysis tools can use these maps), we have made some changes
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to our build process. These changes will align with angular/angular's
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build process while we wait to update to Angular 5.x.
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* Instead of downleveling to ES2015, creating a Rollup bundle, then
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transpiling that bundle down to ES5, we now downlevel to both ES2015
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and ES5, then create separate Rollup bundles for each. Note: We have to
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use NGC for both ES2015 and ES5 downleveling (rather than using TSC for
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the second pass and copying over flat files) because TSC generates
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decorator code that build-optimizer is not designed to support. For now,
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decorators must be passed through NGC.
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* We are removing sorcery until we can upgrade tsickle and ngc to latest.
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Our versions of these break when mapping all the way back to TS.
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(temporary)
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* We have to add separate tsconfigs for transpiling to ES5 because our
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version of ngc doesn't allow overrides. When we update to compiler-cli
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5.x, we should be able to remove these files. (temporary)
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