Function mergeConfiguration

src/spec-node/imageMetadata.ts:157–200

(config: DevContainerConfig, imageMetadata: ImageMetadataEntry[])

}

export function mergeConfiguration(config: DevContainerConfig, imageMetadata: ImageMetadataEntry[]): MergedDevContainerConfig {
	const customizations = imageMetadata.reduce((obj, entry) => {
		for (const key in entry.customizations) {
			if (key in obj) {
				obj[key].push(entry.customizations[key]);
			} else {
				obj[key] = [entry.customizations[key]];
			}
		}
		return obj;
	}, {} as Record<string, any[]>);
	const reversed = imageMetadata.slice().reverse();
	const copy = { ...config };
	replaceProperties.forEach(property => delete (copy as any)[property]);
	const merged: MergedDevContainerConfig = {
		...copy,
		init: imageMetadata.some(entry => entry.init),
		privileged: imageMetadata.some(entry => entry.privileged),
		capAdd: unionOrUndefined(imageMetadata.map(entry => entry.capAdd)),
		securityOpt: unionOrUndefined(imageMetadata.map(entry => entry.securityOpt)),
		entrypoints: collectOrUndefined(imageMetadata, 'entrypoint'),
		mounts: mergeMounts(imageMetadata),
		customizations: Object.keys(customizations).length ? customizations : undefined,
		onCreateCommands: mergeLifecycleHooks(imageMetadata, 'onCreateCommand'),
		updateContentCommands: mergeLifecycleHooks(imageMetadata, 'updateContentCommand'),
		postCreateCommands: mergeLifecycleHooks(imageMetadata, 'postCreateCommand'),
		postStartCommands: mergeLifecycleHooks(imageMetadata, 'postStartCommand'),
		postAttachCommands: mergeLifecycleHooks(imageMetadata, 'postAttachCommand'),
		waitFor: reversed.find(entry => entry.waitFor)?.waitFor,
		remoteUser: reversed.find(entry => entry.remoteUser)?.remoteUser,
		containerUser: reversed.find(entry => entry.containerUser)?.containerUser,
		userEnvProbe: reversed.find(entry => entry.userEnvProbe)?.userEnvProbe,
		remoteEnv: Object.assign({}, ...imageMetadata.map(entry => entry.remoteEnv)),
		containerEnv: Object.assign({}, ...imageMetadata.map(entry => entry.containerEnv)),
		overrideCommand: reversed.find(entry => typeof entry.overrideCommand === 'boolean')?.overrideCommand,
		portsAttributes: Object.assign({}, ...imageMetadata.map(entry => entry.portsAttributes)),
		otherPortsAttributes: reversed.find(entry => entry.otherPortsAttributes)?.otherPortsAttributes,
		forwardPorts: mergeForwardPorts(imageMetadata),
		shutdownAction: reversed.find(entry => entry.shutdownAction)?.shutdownAction,
		updateRemoteUserUID: reversed.find(entry => typeof entry.updateRemoteUserUID === 'boolean')?.updateRemoteUserUID,
		hostRequirements: mergeHostRequirements(imageMetadata),
	};
	return merged;
}

function mergeForwardPorts(imageMetadata: ImageMetadataEntry[]): (number | string)[] | undefined {
	const forwardPorts = [