| "Pass information about JavaScript modules between rules" |
| |
| JSModuleInfo = provider( |
| doc = """JavaScript files and sourcemaps.""", |
| fields = { |
| "direct_sources": "Depset of direct JavaScript files and sourcemaps", |
| "sources": "Depset of direct and transitive JavaScript files and sourcemaps", |
| }, |
| ) |
| |
| def js_module_info(sources, deps = []): |
| """Constructs a JSModuleInfo including all transitive sources from JSModuleInfo providers in a list of deps. |
| |
| Args: |
| sources: direct JS files |
| deps: other targets that provide JSModuleInfo, typically from the deps attribute |
| |
| Returns: |
| a single JSModuleInfo. |
| """ |
| transitive_depsets = [sources] |
| for dep in deps: |
| if JSModuleInfo in dep: |
| transitive_depsets.append(dep[JSModuleInfo].sources) |
| |
| return JSModuleInfo( |
| direct_sources = sources, |
| sources = depset(transitive = transitive_depsets), |
| ) |
