/
applyRuntimes.js
264 lines (239 loc) Β· 8.11 KB
/
applyRuntimes.js
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// @flow strict-local
import type {ContentKey} from '@parcel/graph';
import type {Dependency, NamedBundle as INamedBundle} from '@parcel/types';
import type {SharedReference} from '@parcel/workers';
import type {
Asset,
AssetGroup,
Bundle as InternalBundle,
Config,
DevDepRequest,
ParcelOptions,
} from './types';
import type ParcelConfig from './ParcelConfig';
import type PluginOptions from './public/PluginOptions';
import type {RunAPI} from './RequestTracker';
import path from 'path';
import assert from 'assert';
import invariant from 'assert';
import nullthrows from 'nullthrows';
import {nodeFromAssetGroup} from './AssetGraph';
import BundleGraph from './public/BundleGraph';
import InternalBundleGraph, {bundleGraphEdgeTypes} from './BundleGraph';
import {NamedBundle} from './public/Bundle';
import {PluginLogger} from '@parcel/logger';
import {hashString} from '@parcel/hash';
import ThrowableDiagnostic, {errorToDiagnostic} from '@parcel/diagnostic';
import {dependencyToInternalDependency} from './public/Dependency';
import {mergeEnvironments} from './Environment';
import createAssetGraphRequest from './requests/AssetGraphRequest';
import {createDevDependency, runDevDepRequest} from './requests/DevDepRequest';
import {toProjectPath, fromProjectPathRelative} from './projectPath';
type RuntimeConnection = {|
bundle: InternalBundle,
assetGroup: AssetGroup,
dependency: ?Dependency,
isEntry: ?boolean,
|};
export default async function applyRuntimes({
bundleGraph,
config,
options,
pluginOptions,
api,
optionsRef,
previousDevDeps,
devDepRequests,
configs,
}: {|
bundleGraph: InternalBundleGraph,
config: ParcelConfig,
options: ParcelOptions,
optionsRef: SharedReference,
pluginOptions: PluginOptions,
api: RunAPI,
previousDevDeps: Map<string, string>,
devDepRequests: Map<string, DevDepRequest>,
configs: Map<string, Config>,
|}): Promise<Map<string, Asset>> {
let runtimes = await config.getRuntimes();
let connections: Array<RuntimeConnection> = [];
for (let bundle of bundleGraph.getBundles({includeInline: true})) {
for (let runtime of runtimes) {
try {
let applied = await runtime.plugin.apply({
bundle: NamedBundle.get(bundle, bundleGraph, options),
bundleGraph: new BundleGraph<INamedBundle>(
bundleGraph,
NamedBundle.get.bind(NamedBundle),
options,
),
config: configs.get(runtime.name)?.result,
options: pluginOptions,
logger: new PluginLogger({origin: runtime.name}),
});
if (applied) {
let runtimeAssets = Array.isArray(applied) ? applied : [applied];
for (let {
code,
dependency,
filePath,
isEntry,
env,
} of runtimeAssets) {
let sourceName = path.join(
path.dirname(filePath),
`runtime-${hashString(code)}.${bundle.type}`,
);
let assetGroup = {
code,
filePath: toProjectPath(options.projectRoot, sourceName),
env: mergeEnvironments(options.projectRoot, bundle.env, env),
// Runtime assets should be considered source, as they should be
// e.g. compiled to run in the target environment
isSource: true,
};
connections.push({
bundle,
assetGroup,
dependency: dependency,
isEntry,
});
}
}
} catch (e) {
throw new ThrowableDiagnostic({
diagnostic: errorToDiagnostic(e, {
origin: runtime.name,
}),
});
}
}
}
// Add dev deps for runtime plugins AFTER running them, to account for lazy require().
for (let runtime of runtimes) {
let devDepRequest = await createDevDependency(
{
specifier: runtime.name,
resolveFrom: runtime.resolveFrom,
},
previousDevDeps,
options,
);
devDepRequests.set(
`${devDepRequest.specifier}:${fromProjectPathRelative(
devDepRequest.resolveFrom,
)}`,
devDepRequest,
);
await runDevDepRequest(api, devDepRequest);
}
let {assetGraph: runtimesAssetGraph, changedAssets} =
await reconcileNewRuntimes(api, connections, optionsRef);
let runtimesGraph = InternalBundleGraph.fromAssetGraph(
runtimesAssetGraph,
bundleGraph._publicIdByAssetId,
bundleGraph._assetPublicIds,
);
// Merge the runtimes graph into the main bundle graph.
bundleGraph.merge(runtimesGraph);
for (let [assetId, publicId] of runtimesGraph._publicIdByAssetId) {
bundleGraph._publicIdByAssetId.set(assetId, publicId);
bundleGraph._assetPublicIds.add(publicId);
}
for (let {bundle, assetGroup, dependency, isEntry} of connections) {
let assetGroupNode = nodeFromAssetGroup(assetGroup);
let assetGroupAssetNodeIds = runtimesAssetGraph.getNodeIdsConnectedFrom(
runtimesAssetGraph.getNodeIdByContentKey(assetGroupNode.id),
);
invariant(assetGroupAssetNodeIds.length === 1);
let runtimeNodeId = assetGroupAssetNodeIds[0];
let runtimeNode = nullthrows(runtimesAssetGraph.getNode(runtimeNodeId));
invariant(runtimeNode.type === 'asset');
let resolution =
dependency &&
bundleGraph.getResolvedAsset(
dependencyToInternalDependency(dependency),
bundle,
);
let runtimesGraphRuntimeNodeId = runtimesGraph._graph.getNodeIdByContentKey(
runtimeNode.id,
);
let duplicatedContentKeys: Set<ContentKey> = new Set();
runtimesGraph._graph.traverse((nodeId, _, actions) => {
let node = nullthrows(runtimesGraph._graph.getNode(nodeId));
if (node.type !== 'dependency') {
return;
}
let assets = runtimesGraph._graph
.getNodeIdsConnectedFrom(nodeId)
.map(assetNodeId => {
let assetNode = nullthrows(runtimesGraph._graph.getNode(assetNodeId));
invariant(assetNode.type === 'asset');
return assetNode.value;
});
for (let asset of assets) {
if (
bundleGraph.isAssetReachableFromBundle(asset, bundle) ||
resolution?.id === asset.id
) {
duplicatedContentKeys.add(asset.id);
actions.skipChildren();
}
}
}, runtimesGraphRuntimeNodeId);
let bundleNodeId = bundleGraph._graph.getNodeIdByContentKey(bundle.id);
let bundleGraphRuntimeNodeId = bundleGraph._graph.getNodeIdByContentKey(
runtimeNode.id,
); // the node id is not constant between graphs
runtimesGraph._graph.traverse((nodeId, _, actions) => {
let node = nullthrows(runtimesGraph._graph.getNode(nodeId));
if (node.type === 'asset' || node.type === 'dependency') {
if (duplicatedContentKeys.has(node.id)) {
actions.skipChildren();
return;
}
const bundleGraphNodeId = bundleGraph._graph.getNodeIdByContentKey(
node.id,
); // the node id is not constant between graphs
bundleGraph._graph.addEdge(
bundleNodeId,
bundleGraphNodeId,
bundleGraphEdgeTypes.contains,
);
}
}, runtimesGraphRuntimeNodeId);
if (isEntry) {
bundleGraph._graph.addEdge(bundleNodeId, bundleGraphRuntimeNodeId);
bundle.entryAssetIds.unshift(runtimeNode.id);
}
if (dependency == null) {
// Verify this asset won't become an island
assert(
bundleGraph._graph.getNodeIdsConnectedTo(bundleGraphRuntimeNodeId)
.length > 0,
'Runtime must have an inbound dependency or be an entry',
);
} else {
let dependencyNodeId = bundleGraph._graph.getNodeIdByContentKey(
dependency.id,
);
bundleGraph._graph.addEdge(dependencyNodeId, bundleGraphRuntimeNodeId);
}
}
return changedAssets;
}
function reconcileNewRuntimes(
api: RunAPI,
connections: Array<RuntimeConnection>,
optionsRef: SharedReference,
) {
let assetGroups = connections.map(t => t.assetGroup);
let request = createAssetGraphRequest({
name: 'Runtimes',
assetGroups,
optionsRef,
});
// rebuild the graph
return api.runRequest(request, {force: true});
}