next
Version:
The React Framework
112 lines (111 loc) • 3.67 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
// Map of a feature module to the file it belongs in the next package.
const FEATURE_MODULE_MAP = new Map([
[
'next/image',
'/next/image.js'
],
[
'next/script',
'/next/script.js'
],
[
'next/dynamic',
'/next/dynamic.js'
],
]);
// List of build features used in webpack configuration
const BUILD_FEATURES = [
'swcLoader',
'swcMinify',
'swcRelay',
'swcStyledComponents',
'swcReactRemoveProperties',
'swcExperimentalDecorators',
'swcRemoveConsole',
'swcImportSource',
'swcEmotion',
'swc/target/x86_64-apple-darwin',
'swc/target/x86_64-unknown-linux-gnu',
'swc/target/x86_64-pc-windows-msvc',
'swc/target/i686-pc-windows-msvc',
'swc/target/aarch64-unknown-linux-gnu',
'swc/target/armv7-unknown-linux-gnueabihf',
'swc/target/aarch64-apple-darwin',
'swc/target/aarch64-linux-android',
'swc/target/arm-linux-androideabi',
'swc/target/x86_64-unknown-freebsd',
'swc/target/x86_64-unknown-linux-musl',
'swc/target/aarch64-unknown-linux-musl',
'swc/target/aarch64-pc-windows-msvc',
];
class TelemetryPlugin {
// Build feature usage is on/off and is known before the build starts
constructor(buildFeaturesMap){
this.usageTracker = new Map();
for (const featureName of BUILD_FEATURES){
this.usageTracker.set(featureName, {
featureName,
invocationCount: buildFeaturesMap.get(featureName) ? 1 : 0
});
}
for (const featureName1 of FEATURE_MODULE_MAP.keys()){
this.usageTracker.set(featureName1, {
featureName: featureName1,
invocationCount: 0
});
}
}
apply(compiler) {
compiler.hooks.make.tapAsync(TelemetryPlugin.name, async (compilation, callback)=>{
compilation.hooks.finishModules.tapAsync(TelemetryPlugin.name, async (modules, modulesFinish)=>{
for (const module of modules){
const feature = findFeatureInModule(module);
if (!feature) {
continue;
}
const connections = compilation.moduleGraph.getIncomingConnections(module);
const originModules = findUniqueOriginModulesInConnections(connections);
this.usageTracker.get(feature).invocationCount = originModules.size;
}
modulesFinish();
});
callback();
});
}
usages() {
return [
...this.usageTracker.values()
];
}
}
exports.TelemetryPlugin = TelemetryPlugin;
/**
* Determine if there is a feature of interest in the specified 'module'.
*/ function findFeatureInModule(module) {
if (module.type !== 'javascript/auto') {
return;
}
for (const [feature, path] of FEATURE_MODULE_MAP){
if (module.identifier().replace(/\\/g, '/').endsWith(path)) {
return feature;
}
}
}
/**
* Find unique origin modules in the specified 'connections', which possibly
* contains more than one connection for a module due to different types of
* dependency.
*/ function findUniqueOriginModulesInConnections(connections) {
const originModules = new Set();
for (const connection of connections){
if (!originModules.has(connection.originModule)) {
originModules.add(connection.originModule);
}
}
return originModules;
}
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