@angular-devkit/core
Version:
Angular DevKit - Core Utility Library
231 lines • 33.5 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.readJsonWorkspace = void 0;
const jsonc_parser_1 = require("jsonc-parser");
const utils_1 = require("../../json/utils");
const definitions_1 = require("../definitions");
const metadata_1 = require("./metadata");
const utilities_1 = require("./utilities");
const ANGULAR_WORKSPACE_EXTENSIONS = Object.freeze(['cli', 'newProjectRoot', 'schematics']);
const ANGULAR_PROJECT_EXTENSIONS = Object.freeze(['cli', 'schematics', 'projectType', 'i18n']);
async function readJsonWorkspace(path, host, options = {}) {
const raw = await host.readFile(path);
if (raw === undefined) {
throw new Error('Unable to read workspace file.');
}
const ast = (0, jsonc_parser_1.parseTree)(raw, undefined, { allowTrailingComma: true, disallowComments: false });
if (ast?.type !== 'object' || !ast.children) {
throw new Error('Invalid workspace file - expected JSON object.');
}
// Version check
const versionNode = (0, jsonc_parser_1.findNodeAtLocation)(ast, ['version']);
if (!versionNode) {
throw new Error('Unknown format - version specifier not found.');
}
const version = versionNode.value;
if (version !== 1) {
throw new Error(`Invalid format version detected - Expected:[ 1 ] Found: [ ${version} ]`);
}
const context = {
host,
metadata: new metadata_1.JsonWorkspaceMetadata(path, ast, raw),
trackChanges: true,
unprefixedWorkspaceExtensions: new Set([
...ANGULAR_WORKSPACE_EXTENSIONS,
...(options.allowedWorkspaceExtensions ?? []),
]),
unprefixedProjectExtensions: new Set([
...ANGULAR_PROJECT_EXTENSIONS,
...(options.allowedProjectExtensions ?? []),
]),
error(message, _node) {
// TODO: Diagnostic reporting support
throw new Error(message);
},
warn(message, _node) {
// TODO: Diagnostic reporting support
// eslint-disable-next-line no-console
console.warn(message);
},
};
const workspace = parseWorkspace(ast, context);
return workspace;
}
exports.readJsonWorkspace = readJsonWorkspace;
function parseWorkspace(workspaceNode, context) {
const jsonMetadata = context.metadata;
let projects;
let extensions;
if (!context.trackChanges) {
extensions = Object.create(null);
}
// TODO: `getNodeValue` - looks potentially expensive since it walks the whole tree and instantiates the full object structure each time.
// Might be something to look at moving forward to optimize.
const workspaceNodeValue = (0, jsonc_parser_1.getNodeValue)(workspaceNode);
for (const [name, value] of Object.entries(workspaceNodeValue)) {
if (name === '$schema' || name === 'version') {
// skip
}
else if (name === 'projects') {
const nodes = (0, jsonc_parser_1.findNodeAtLocation)(workspaceNode, ['projects']);
if (!(0, utils_1.isJsonObject)(value) || !nodes) {
context.error('Invalid "projects" field found; expected an object.', value);
continue;
}
projects = parseProjectsObject(nodes, context);
}
else {
if (!context.unprefixedWorkspaceExtensions.has(name) && !/^[a-z]{1,3}-.*/.test(name)) {
context.warn(`Workspace extension with invalid name (${name}) found.`, name);
}
if (extensions) {
extensions[name] = value;
}
}
}
let collectionListener;
if (context.trackChanges) {
collectionListener = (name, newValue) => {
jsonMetadata.addChange(['projects', name], newValue, 'project');
};
}
const projectCollection = new definitions_1.ProjectDefinitionCollection(projects, collectionListener);
return {
[metadata_1.JsonWorkspaceSymbol]: jsonMetadata,
projects: projectCollection,
// If not tracking changes the `extensions` variable will contain the parsed
// values. Otherwise the extensions are tracked via a virtual AST object.
extensions: extensions ??
(0, utilities_1.createVirtualAstObject)(workspaceNodeValue, {
exclude: ['$schema', 'version', 'projects'],
listener(path, value) {
jsonMetadata.addChange(path, value);
},
}),
};
}
function parseProjectsObject(projectsNode, context) {
const projects = Object.create(null);
for (const [name, value] of Object.entries((0, jsonc_parser_1.getNodeValue)(projectsNode))) {
const nodes = (0, jsonc_parser_1.findNodeAtLocation)(projectsNode, [name]);
if (!(0, utils_1.isJsonObject)(value) || !nodes) {
context.warn('Skipping invalid project value; expected an object.', value);
continue;
}
projects[name] = parseProject(name, nodes, context);
}
return projects;
}
function parseProject(projectName, projectNode, context) {
const jsonMetadata = context.metadata;
let targets;
let hasTargets = false;
let extensions;
let properties;
if (!context.trackChanges) {
// If not tracking changes, the parser will store the values directly in standard objects
extensions = Object.create(null);
properties = Object.create(null);
}
const projectNodeValue = (0, jsonc_parser_1.getNodeValue)(projectNode);
if (!('root' in projectNodeValue)) {
throw new Error(`Project "${projectName}" is missing a required property "root".`);
}
for (const [name, value] of Object.entries(projectNodeValue)) {
switch (name) {
case 'targets':
case 'architect':
const nodes = (0, jsonc_parser_1.findNodeAtLocation)(projectNode, [name]);
if (!(0, utils_1.isJsonObject)(value) || !nodes) {
context.error(`Invalid "${name}" field found; expected an object.`, value);
break;
}
hasTargets = true;
targets = parseTargetsObject(projectName, nodes, context);
jsonMetadata.hasLegacyTargetsName = name === 'architect';
break;
case 'prefix':
case 'root':
case 'sourceRoot':
if (typeof value !== 'string') {
context.warn(`Project property "${name}" should be a string.`, value);
}
if (properties) {
properties[name] = value;
}
break;
default:
if (!context.unprefixedProjectExtensions.has(name) && !/^[a-z]{1,3}-.*/.test(name)) {
context.warn(`Project '${projectName}' contains extension with invalid name (${name}).`, name);
}
if (extensions) {
extensions[name] = value;
}
break;
}
}
let collectionListener;
if (context.trackChanges) {
collectionListener = (name, newValue, collection) => {
if (hasTargets) {
jsonMetadata.addChange(['projects', projectName, 'targets', name], newValue, 'target');
}
else {
jsonMetadata.addChange(['projects', projectName, 'targets'], collection, 'targetcollection');
}
};
}
const base = {
targets: new definitions_1.TargetDefinitionCollection(targets, collectionListener),
// If not tracking changes the `extensions` variable will contain the parsed
// values. Otherwise the extensions are tracked via a virtual AST object.
extensions: extensions ??
(0, utilities_1.createVirtualAstObject)(projectNodeValue, {
exclude: ['architect', 'prefix', 'root', 'sourceRoot', 'targets'],
listener(path, value) {
jsonMetadata.addChange(['projects', projectName, ...path], value);
},
}),
};
const baseKeys = new Set(Object.keys(base));
const project = properties ??
(0, utilities_1.createVirtualAstObject)(projectNodeValue, {
include: ['prefix', 'root', 'sourceRoot', ...baseKeys],
listener(path, value) {
if (!baseKeys.has(path[0])) {
jsonMetadata.addChange(['projects', projectName, ...path], value);
}
},
});
return Object.assign(project, base);
}
function parseTargetsObject(projectName, targetsNode, context) {
const jsonMetadata = context.metadata;
const targets = Object.create(null);
for (const [name, value] of Object.entries((0, jsonc_parser_1.getNodeValue)(targetsNode))) {
if (!(0, utils_1.isJsonObject)(value)) {
context.warn('Skipping invalid target value; expected an object.', value);
continue;
}
if (context.trackChanges) {
targets[name] = (0, utilities_1.createVirtualAstObject)(value, {
include: ['builder', 'options', 'configurations', 'defaultConfiguration'],
listener(path, value) {
jsonMetadata.addChange(['projects', projectName, 'targets', name, ...path], value);
},
});
}
else {
targets[name] = value;
}
}
return targets;
}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport { Node, findNodeAtLocation, getNodeValue, parseTree } from 'jsonc-parser';\nimport { JsonValue, isJsonObject } from '../../json/utils';\nimport {\n  DefinitionCollectionListener,\n  ProjectDefinition,\n  ProjectDefinitionCollection,\n  TargetDefinition,\n  TargetDefinitionCollection,\n  WorkspaceDefinition,\n} from '../definitions';\nimport { WorkspaceHost } from '../host';\nimport { JsonWorkspaceMetadata, JsonWorkspaceSymbol } from './metadata';\nimport { createVirtualAstObject } from './utilities';\n\nconst ANGULAR_WORKSPACE_EXTENSIONS = Object.freeze(['cli', 'newProjectRoot', 'schematics']);\nconst ANGULAR_PROJECT_EXTENSIONS = Object.freeze(['cli', 'schematics', 'projectType', 'i18n']);\n\ninterface ParserContext {\n  readonly host: WorkspaceHost;\n  readonly metadata: JsonWorkspaceMetadata;\n  readonly trackChanges: boolean;\n  readonly unprefixedWorkspaceExtensions: ReadonlySet<string>;\n  readonly unprefixedProjectExtensions: ReadonlySet<string>;\n  error(message: string, node: JsonValue): void;\n  warn(message: string, node: JsonValue): void;\n}\n\nexport interface JsonWorkspaceOptions {\n  allowedProjectExtensions?: string[];\n  allowedWorkspaceExtensions?: string[];\n}\n\nexport async function readJsonWorkspace(\n  path: string,\n  host: WorkspaceHost,\n  options: JsonWorkspaceOptions = {},\n): Promise<WorkspaceDefinition> {\n  const raw = await host.readFile(path);\n  if (raw === undefined) {\n    throw new Error('Unable to read workspace file.');\n  }\n\n  const ast = parseTree(raw, undefined, { allowTrailingComma: true, disallowComments: false });\n  if (ast?.type !== 'object' || !ast.children) {\n    throw new Error('Invalid workspace file - expected JSON object.');\n  }\n\n  // Version check\n  const versionNode = findNodeAtLocation(ast, ['version']);\n  if (!versionNode) {\n    throw new Error('Unknown format - version specifier not found.');\n  }\n  const version = versionNode.value;\n  if (version !== 1) {\n    throw new Error(`Invalid format version detected - Expected:[ 1 ] Found: [ ${version} ]`);\n  }\n\n  const context: ParserContext = {\n    host,\n    metadata: new JsonWorkspaceMetadata(path, ast, raw),\n    trackChanges: true,\n    unprefixedWorkspaceExtensions: new Set([\n      ...ANGULAR_WORKSPACE_EXTENSIONS,\n      ...(options.allowedWorkspaceExtensions ?? []),\n    ]),\n    unprefixedProjectExtensions: new Set([\n      ...ANGULAR_PROJECT_EXTENSIONS,\n      ...(options.allowedProjectExtensions ?? []),\n    ]),\n    error(message, _node) {\n      // TODO: Diagnostic reporting support\n      throw new Error(message);\n    },\n    warn(message, _node) {\n      // TODO: Diagnostic reporting support\n      // eslint-disable-next-line no-console\n      console.warn(message);\n    },\n  };\n\n  const workspace = parseWorkspace(ast, context);\n\n  return workspace;\n}\n\nfunction parseWorkspace(workspaceNode: Node, context: ParserContext): WorkspaceDefinition {\n  const jsonMetadata = context.metadata;\n  let projects;\n  let extensions: Record<string, JsonValue> | undefined;\n  if (!context.trackChanges) {\n    extensions = Object.create(null);\n  }\n\n  // TODO: `getNodeValue` - looks potentially expensive since it walks the whole tree and instantiates the full object structure each time.\n  // Might be something to look at moving forward to optimize.\n  const workspaceNodeValue = getNodeValue(workspaceNode);\n  for (const [name, value] of Object.entries<JsonValue>(workspaceNodeValue)) {\n    if (name === '$schema' || name === 'version') {\n      // skip\n    } else if (name === 'projects') {\n      const nodes = findNodeAtLocation(workspaceNode, ['projects']);\n      if (!isJsonObject(value) || !nodes) {\n        context.error('Invalid \"projects\" field found; expected an object.', value);\n        continue;\n      }\n\n      projects = parseProjectsObject(nodes, context);\n    } else {\n      if (!context.unprefixedWorkspaceExtensions.has(name) && !/^[a-z]{1,3}-.*/.test(name)) {\n        context.warn(`Workspace extension with invalid name (${name}) found.`, name);\n      }\n      if (extensions) {\n        extensions[name] = value;\n      }\n    }\n  }\n\n  let collectionListener: DefinitionCollectionListener<ProjectDefinition> | undefined;\n  if (context.trackChanges) {\n    collectionListener = (name, newValue) => {\n      jsonMetadata.addChange(['projects', name], newValue, 'project');\n    };\n  }\n\n  const projectCollection = new ProjectDefinitionCollection(projects, collectionListener);\n\n  return {\n    [JsonWorkspaceSymbol]: jsonMetadata,\n    projects: projectCollection,\n    // If not tracking changes the `extensions` variable will contain the parsed\n    // values.  Otherwise the extensions are tracked via a virtual AST object.\n    extensions:\n      extensions ??\n      createVirtualAstObject(workspaceNodeValue, {\n        exclude: ['$schema', 'version', 'projects'],\n        listener(path, value) {\n          jsonMetadata.addChange(path, value);\n        },\n      }),\n  } as WorkspaceDefinition;\n}\n\nfunction parseProjectsObject(\n  projectsNode: Node,\n  context: ParserContext,\n): Record<string, ProjectDefinition> {\n  const projects: Record<string, ProjectDefinition> = Object.create(null);\n\n  for (const [name, value] of Object.entries<JsonValue>(getNodeValue(projectsNode))) {\n    const nodes = findNodeAtLocation(projectsNode, [name]);\n    if (!isJsonObject(value) || !nodes) {\n      context.warn('Skipping invalid project value; expected an object.', value);\n      continue;\n    }\n\n    projects[name] = parseProject(name, nodes, context);\n  }\n\n  return projects;\n}\n\nfunction parseProject(\n  projectName: string,\n  projectNode: Node,\n  context: ParserContext,\n): ProjectDefinition {\n  const jsonMetadata = context.metadata;\n  let targets;\n  let hasTargets = false;\n  let extensions: Record<string, JsonValue> | undefined;\n  let properties: Record<'root' | 'sourceRoot' | 'prefix', string> | undefined;\n  if (!context.trackChanges) {\n    // If not tracking changes, the parser will store the values directly in standard objects\n    extensions = Object.create(null);\n    properties = Object.create(null);\n  }\n\n  const projectNodeValue = getNodeValue(projectNode);\n  if (!('root' in projectNodeValue)) {\n    throw new Error(`Project \"${projectName}\" is missing a required property \"root\".`);\n  }\n\n  for (const [name, value] of Object.entries<JsonValue>(projectNodeValue)) {\n    switch (name) {\n      case 'targets':\n      case 'architect':\n        const nodes = findNodeAtLocation(projectNode, [name]);\n        if (!isJsonObject(value) || !nodes) {\n          context.error(`Invalid \"${name}\" field found; expected an object.`, value);\n          break;\n        }\n        hasTargets = true;\n        targets = parseTargetsObject(projectName, nodes, context);\n        jsonMetadata.hasLegacyTargetsName = name === 'architect';\n        break;\n      case 'prefix':\n      case 'root':\n      case 'sourceRoot':\n        if (typeof value !== 'string') {\n          context.warn(`Project property \"${name}\" should be a string.`, value);\n        }\n        if (properties) {\n          properties[name] = value as string;\n        }\n        break;\n      default:\n        if (!context.unprefixedProjectExtensions.has(name) && !/^[a-z]{1,3}-.*/.test(name)) {\n          context.warn(\n            `Project '${projectName}' contains extension with invalid name (${name}).`,\n            name,\n          );\n        }\n        if (extensions) {\n          extensions[name] = value;\n        }\n        break;\n    }\n  }\n\n  let collectionListener: DefinitionCollectionListener<TargetDefinition> | undefined;\n  if (context.trackChanges) {\n    collectionListener = (name, newValue, collection) => {\n      if (hasTargets) {\n        jsonMetadata.addChange(['projects', projectName, 'targets', name], newValue, 'target');\n      } else {\n        jsonMetadata.addChange(\n          ['projects', projectName, 'targets'],\n          collection,\n          'targetcollection',\n        );\n      }\n    };\n  }\n\n  const base = {\n    targets: new TargetDefinitionCollection(targets, collectionListener),\n    // If not tracking changes the `extensions` variable will contain the parsed\n    // values.  Otherwise the extensions are tracked via a virtual AST object.\n    extensions:\n      extensions ??\n      createVirtualAstObject(projectNodeValue, {\n        exclude: ['architect', 'prefix', 'root', 'sourceRoot', 'targets'],\n        listener(path, value) {\n          jsonMetadata.addChange(['projects', projectName, ...path], value);\n        },\n      }),\n  };\n\n  const baseKeys = new Set(Object.keys(base));\n  const project =\n    properties ??\n    createVirtualAstObject<ProjectDefinition>(projectNodeValue, {\n      include: ['prefix', 'root', 'sourceRoot', ...baseKeys],\n      listener(path, value) {\n        if (!baseKeys.has(path[0])) {\n          jsonMetadata.addChange(['projects', projectName, ...path], value);\n        }\n      },\n    });\n\n  return Object.assign(project, base) as ProjectDefinition;\n}\n\nfunction parseTargetsObject(\n  projectName: string,\n  targetsNode: Node,\n  context: ParserContext,\n): Record<string, TargetDefinition> {\n  const jsonMetadata = context.metadata;\n  const targets: Record<string, TargetDefinition> = Object.create(null);\n\n  for (const [name, value] of Object.entries<JsonValue>(getNodeValue(targetsNode))) {\n    if (!isJsonObject(value)) {\n      context.warn('Skipping invalid target value; expected an object.', value);\n      continue;\n    }\n\n    if (context.trackChanges) {\n      targets[name] = createVirtualAstObject<TargetDefinition>(value, {\n        include: ['builder', 'options', 'configurations', 'defaultConfiguration'],\n        listener(path, value) {\n          jsonMetadata.addChange(['projects', projectName, 'targets', name, ...path], value);\n        },\n      });\n    } else {\n      targets[name] = value as unknown as TargetDefinition;\n    }\n  }\n\n  return targets;\n}\n"]}