@angular/cdk
Version:
Angular Material Component Development Kit
190 lines • 32.7 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
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.buildComponent = void 0;
const core_1 = require("@angular-devkit/core");
const schematics_1 = require("@angular-devkit/schematics");
const change_1 = require("@schematics/angular/utility/change");
const workspace_1 = require("@schematics/angular/utility/workspace");
const find_module_1 = require("@schematics/angular/utility/find-module");
const parse_name_1 = require("@schematics/angular/utility/parse-name");
const validation_1 = require("@schematics/angular/utility/validation");
const workspace_models_1 = require("@schematics/angular/utility/workspace-models");
const fs_1 = require("fs");
const path_1 = require("path");
const ts = require("typescript");
const vendored_ast_utils_1 = require("../utils/vendored-ast-utils");
const get_project_1 = require("./get-project");
const schematic_options_1 = require("./schematic-options");
/**
* Build a default project path for generating.
* @param project The project to build the path for.
*/
function buildDefaultPath(project) {
const root = project.sourceRoot ? `/${project.sourceRoot}/` : `/${project.root}/src/`;
const projectDirName = project.extensions.projectType === workspace_models_1.ProjectType.Application ? 'app' : 'lib';
return `${root}${projectDirName}`;
}
/**
* List of style extensions which are CSS compatible. All supported CLI style extensions can be
* found here: angular/angular-cli/master/packages/schematics/angular/ng-new/schema.json#L118-L122
*/
const supportedCssExtensions = ['css', 'scss', 'less'];
function readIntoSourceFile(host, modulePath) {
const text = host.read(modulePath);
if (text === null) {
throw new schematics_1.SchematicsException(`File ${modulePath} does not exist.`);
}
return ts.createSourceFile(modulePath, text.toString('utf-8'), ts.ScriptTarget.Latest, true);
}
function addDeclarationToNgModule(options) {
return (host) => {
if (options.skipImport || !options.module) {
return host;
}
const modulePath = options.module;
let source = readIntoSourceFile(host, modulePath);
const componentPath = `/${options.path}/` +
(options.flat ? '' : core_1.strings.dasherize(options.name) + '/') +
core_1.strings.dasherize(options.name) +
'.component';
const relativePath = (0, find_module_1.buildRelativePath)(modulePath, componentPath);
const classifiedName = core_1.strings.classify(`${options.name}Component`);
const declarationChanges = (0, vendored_ast_utils_1.addDeclarationToModule)(source, modulePath, classifiedName, relativePath);
const declarationRecorder = host.beginUpdate(modulePath);
for (const change of declarationChanges) {
if (change instanceof change_1.InsertChange) {
declarationRecorder.insertLeft(change.pos, change.toAdd);
}
}
host.commitUpdate(declarationRecorder);
if (options.export) {
// Need to refresh the AST because we overwrote the file in the host.
source = readIntoSourceFile(host, modulePath);
const exportRecorder = host.beginUpdate(modulePath);
const exportChanges = (0, vendored_ast_utils_1.addExportToModule)(source, modulePath, core_1.strings.classify(`${options.name}Component`), relativePath);
for (const change of exportChanges) {
if (change instanceof change_1.InsertChange) {
exportRecorder.insertLeft(change.pos, change.toAdd);
}
}
host.commitUpdate(exportRecorder);
}
return host;
};
}
function buildSelector(options, projectPrefix) {
let selector = core_1.strings.dasherize(options.name);
if (options.prefix) {
selector = `${options.prefix}-${selector}`;
}
else if (options.prefix === undefined && projectPrefix) {
selector = `${projectPrefix}-${selector}`;
}
return selector;
}
/**
* Indents the text content with the amount of specified spaces. The spaces will be added after
* every line-break. This utility function can be used inside of EJS templates to properly
* include the additional files.
*/
function indentTextContent(text, numSpaces) {
// In the Material project there should be only LF line-endings, but the schematic files
// are not being linted and therefore there can be also CRLF or just CR line-endings.
return text.replace(/(\r\n|\r|\n)/g, `$1${' '.repeat(numSpaces)}`);
}
/**
* Rule that copies and interpolates the files that belong to this schematic context. Additionally
* a list of file paths can be passed to this rule in order to expose them inside the EJS
* template context.
*
* This allows inlining the external template or stylesheet files in EJS without having
* to manually duplicate the file content.
*/
function buildComponent(options, additionalFiles = {}) {
return (host, ctx) => __awaiter(this, void 0, void 0, function* () {
const context = ctx;
const workspace = yield (0, workspace_1.getWorkspace)(host);
const project = (0, get_project_1.getProjectFromWorkspace)(workspace, options.project);
const defaultComponentOptions = (0, schematic_options_1.getDefaultComponentOptions)(project);
// TODO(devversion): Remove if we drop support for older CLI versions.
// This handles an unreported breaking change from the @angular-devkit/schematics. Previously
// the description path resolved to the factory file, but starting from 6.2.0, it resolves
// to the factory directory.
const schematicPath = (0, fs_1.statSync)(context.schematic.description.path).isDirectory()
? context.schematic.description.path
: (0, path_1.dirname)(context.schematic.description.path);
const schematicFilesUrl = './files';
const schematicFilesPath = (0, path_1.resolve)(schematicPath, schematicFilesUrl);
// Add the default component option values to the options if an option is not explicitly
// specified but a default component option is available.
Object.keys(options)
.filter(key => options[key] == null &&
defaultComponentOptions[key])
.forEach(key => (options[key] = defaultComponentOptions[key]));
if (options.path === undefined) {
// TODO(jelbourn): figure out if the need for this `as any` is a bug due to two different
// incompatible `ProjectDefinition` classes in @angular-devkit
options.path = buildDefaultPath(project);
}
options.module = (0, find_module_1.findModuleFromOptions)(host, options);
const parsedPath = (0, parse_name_1.parseName)(options.path, options.name);
options.name = parsedPath.name;
options.path = parsedPath.path;
options.selector = options.selector || buildSelector(options, project.prefix);
(0, validation_1.validateName)(options.name);
(0, validation_1.validateHtmlSelector)(options.selector);
// In case the specified style extension is not part of the supported CSS supersets,
// we generate the stylesheets with the "css" extension. This ensures that we don't
// accidentally generate invalid stylesheets (e.g. drag-drop-comp.styl) which will
// break the Angular CLI project. See: https://github.com/angular/components/issues/15164
if (!supportedCssExtensions.includes(options.style)) {
// TODO: Cast is necessary as we can't use the Style enum which has been introduced
// within CLI v7.3.0-rc.0. This would break the schematic for older CLI versions.
options.style = 'css';
}
// Object that will be used as context for the EJS templates.
const baseTemplateContext = Object.assign(Object.assign(Object.assign({}, core_1.strings), { 'if-flat': (s) => (options.flat ? '' : s) }), options);
// Key-value object that includes the specified additional files with their loaded content.
// The resolved contents can be used inside EJS templates.
const resolvedFiles = {};
for (let key in additionalFiles) {
if (additionalFiles[key]) {
const fileContent = (0, fs_1.readFileSync)((0, path_1.join)(schematicFilesPath, additionalFiles[key]), 'utf-8');
// Interpolate the additional files with the base EJS template context.
resolvedFiles[key] = (0, core_1.template)(fileContent)(baseTemplateContext);
}
}
const templateSource = (0, schematics_1.apply)((0, schematics_1.url)(schematicFilesUrl), [
options.skipTests ? (0, schematics_1.filter)(path => !path.endsWith('.spec.ts.template')) : (0, schematics_1.noop)(),
options.inlineStyle ? (0, schematics_1.filter)(path => !path.endsWith('.__style__.template')) : (0, schematics_1.noop)(),
options.inlineTemplate ? (0, schematics_1.filter)(path => !path.endsWith('.html.template')) : (0, schematics_1.noop)(),
// Treat the template options as any, because the type definition for the template options
// is made unnecessarily explicit. Every type of object can be used in the EJS template.
(0, schematics_1.applyTemplates)(Object.assign({ indentTextContent, resolvedFiles }, baseTemplateContext)),
// TODO(devversion): figure out why we cannot just remove the first parameter
// See for example: angular-cli#schematics/angular/component/index.ts#L160
(0, schematics_1.move)(null, parsedPath.path),
]);
return () => (0, schematics_1.chain)([
(0, schematics_1.branchAndMerge)((0, schematics_1.chain)([addDeclarationToNgModule(options), (0, schematics_1.mergeWith)(templateSource)])),
])(host, context);
});
}
exports.buildComponent = buildComponent;
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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 {strings, template as interpolateTemplate} from '@angular-devkit/core';\nimport {\n  apply,\n  applyTemplates,\n  branchAndMerge,\n  chain,\n  filter,\n  mergeWith,\n  move,\n  noop,\n  Rule,\n  SchematicsException,\n  Tree,\n  url,\n} from '@angular-devkit/schematics';\nimport {FileSystemSchematicContext} from '@angular-devkit/schematics/tools';\nimport {Schema as ComponentOptions, Style} from '@schematics/angular/component/schema';\nimport {InsertChange} from '@schematics/angular/utility/change';\nimport {getWorkspace} from '@schematics/angular/utility/workspace';\nimport {buildRelativePath, findModuleFromOptions} from '@schematics/angular/utility/find-module';\nimport {parseName} from '@schematics/angular/utility/parse-name';\nimport {validateHtmlSelector, validateName} from '@schematics/angular/utility/validation';\nimport {ProjectType} from '@schematics/angular/utility/workspace-models';\nimport {readFileSync, statSync} from 'fs';\nimport {dirname, join, resolve} from 'path';\nimport * as ts from 'typescript';\nimport {addDeclarationToModule, addExportToModule} from '../utils/vendored-ast-utils';\nimport {getProjectFromWorkspace} from './get-project';\nimport {getDefaultComponentOptions} from './schematic-options';\nimport {ProjectDefinition} from '@angular-devkit/core/src/workspace';\n\n/**\n * Build a default project path for generating.\n * @param project The project to build the path for.\n */\nfunction buildDefaultPath(project: ProjectDefinition): string {\n  const root = project.sourceRoot ? `/${project.sourceRoot}/` : `/${project.root}/src/`;\n\n  const projectDirName = project.extensions.projectType === ProjectType.Application ? 'app' : 'lib';\n\n  return `${root}${projectDirName}`;\n}\n\n/**\n * List of style extensions which are CSS compatible. All supported CLI style extensions can be\n * found here: angular/angular-cli/master/packages/schematics/angular/ng-new/schema.json#L118-L122\n */\nconst supportedCssExtensions = ['css', 'scss', 'less'];\n\nfunction readIntoSourceFile(host: Tree, modulePath: string) {\n  const text = host.read(modulePath);\n  if (text === null) {\n    throw new SchematicsException(`File ${modulePath} does not exist.`);\n  }\n\n  return ts.createSourceFile(modulePath, text.toString('utf-8'), ts.ScriptTarget.Latest, true);\n}\n\nfunction addDeclarationToNgModule(options: ComponentOptions): Rule {\n  return (host: Tree) => {\n    if (options.skipImport || !options.module) {\n      return host;\n    }\n\n    const modulePath = options.module;\n    let source = readIntoSourceFile(host, modulePath);\n\n    const componentPath =\n      `/${options.path}/` +\n      (options.flat ? '' : strings.dasherize(options.name) + '/') +\n      strings.dasherize(options.name) +\n      '.component';\n    const relativePath = buildRelativePath(modulePath, componentPath);\n    const classifiedName = strings.classify(`${options.name}Component`);\n\n    const declarationChanges = addDeclarationToModule(\n      source,\n      modulePath,\n      classifiedName,\n      relativePath,\n    );\n\n    const declarationRecorder = host.beginUpdate(modulePath);\n    for (const change of declarationChanges) {\n      if (change instanceof InsertChange) {\n        declarationRecorder.insertLeft(change.pos, change.toAdd);\n      }\n    }\n    host.commitUpdate(declarationRecorder);\n\n    if (options.export) {\n      // Need to refresh the AST because we overwrote the file in the host.\n      source = readIntoSourceFile(host, modulePath);\n\n      const exportRecorder = host.beginUpdate(modulePath);\n      const exportChanges = addExportToModule(\n        source,\n        modulePath,\n        strings.classify(`${options.name}Component`),\n        relativePath,\n      );\n\n      for (const change of exportChanges) {\n        if (change instanceof InsertChange) {\n          exportRecorder.insertLeft(change.pos, change.toAdd);\n        }\n      }\n      host.commitUpdate(exportRecorder);\n    }\n\n    return host;\n  };\n}\n\nfunction buildSelector(options: ComponentOptions, projectPrefix?: string) {\n  let selector = strings.dasherize(options.name);\n  if (options.prefix) {\n    selector = `${options.prefix}-${selector}`;\n  } else if (options.prefix === undefined && projectPrefix) {\n    selector = `${projectPrefix}-${selector}`;\n  }\n\n  return selector;\n}\n\n/**\n * Indents the text content with the amount of specified spaces. The spaces will be added after\n * every line-break. This utility function can be used inside of EJS templates to properly\n * include the additional files.\n */\nfunction indentTextContent(text: string, numSpaces: number): string {\n  // In the Material project there should be only LF line-endings, but the schematic files\n  // are not being linted and therefore there can be also CRLF or just CR line-endings.\n  return text.replace(/(\\r\\n|\\r|\\n)/g, `$1${' '.repeat(numSpaces)}`);\n}\n\n/**\n * Rule that copies and interpolates the files that belong to this schematic context. Additionally\n * a list of file paths can be passed to this rule in order to expose them inside the EJS\n * template context.\n *\n * This allows inlining the external template or stylesheet files in EJS without having\n * to manually duplicate the file content.\n */\nexport function buildComponent(\n  options: ComponentOptions,\n  additionalFiles: {[key: string]: string} = {},\n): Rule {\n  return async (host, ctx) => {\n    const context = ctx as FileSystemSchematicContext;\n    const workspace = await getWorkspace(host);\n    const project = getProjectFromWorkspace(workspace, options.project);\n    const defaultComponentOptions = getDefaultComponentOptions(project);\n\n    // TODO(devversion): Remove if we drop support for older CLI versions.\n    // This handles an unreported breaking change from the @angular-devkit/schematics. Previously\n    // the description path resolved to the factory file, but starting from 6.2.0, it resolves\n    // to the factory directory.\n    const schematicPath = statSync(context.schematic.description.path).isDirectory()\n      ? context.schematic.description.path\n      : dirname(context.schematic.description.path);\n\n    const schematicFilesUrl = './files';\n    const schematicFilesPath = resolve(schematicPath, schematicFilesUrl);\n\n    // Add the default component option values to the options if an option is not explicitly\n    // specified but a default component option is available.\n    Object.keys(options)\n      .filter(\n        key =>\n          options[key as keyof ComponentOptions] == null &&\n          defaultComponentOptions[key as keyof ComponentOptions],\n      )\n      .forEach(\n        key =>\n          ((options as any)[key] = (defaultComponentOptions as ComponentOptions)[\n            key as keyof ComponentOptions\n          ]),\n      );\n\n    if (options.path === undefined) {\n      // TODO(jelbourn): figure out if the need for this `as any` is a bug due to two different\n      // incompatible `ProjectDefinition` classes in @angular-devkit\n      options.path = buildDefaultPath(project as any);\n    }\n\n    options.module = findModuleFromOptions(host, options);\n\n    const parsedPath = parseName(options.path!, options.name);\n\n    options.name = parsedPath.name;\n    options.path = parsedPath.path;\n    options.selector = options.selector || buildSelector(options, project.prefix);\n\n    validateName(options.name);\n    validateHtmlSelector(options.selector!);\n\n    // In case the specified style extension is not part of the supported CSS supersets,\n    // we generate the stylesheets with the \"css\" extension. This ensures that we don't\n    // accidentally generate invalid stylesheets (e.g. drag-drop-comp.styl) which will\n    // break the Angular CLI project. See: https://github.com/angular/components/issues/15164\n    if (!supportedCssExtensions.includes(options.style!)) {\n      // TODO: Cast is necessary as we can't use the Style enum which has been introduced\n      // within CLI v7.3.0-rc.0. This would break the schematic for older CLI versions.\n      options.style = 'css' as Style;\n    }\n\n    // Object that will be used as context for the EJS templates.\n    const baseTemplateContext = {\n      ...strings,\n      'if-flat': (s: string) => (options.flat ? '' : s),\n      ...options,\n    };\n\n    // Key-value object that includes the specified additional files with their loaded content.\n    // The resolved contents can be used inside EJS templates.\n    const resolvedFiles: Record<string, string> = {};\n\n    for (let key in additionalFiles) {\n      if (additionalFiles[key]) {\n        const fileContent = readFileSync(join(schematicFilesPath, additionalFiles[key]), 'utf-8');\n\n        // Interpolate the additional files with the base EJS template context.\n        resolvedFiles[key] = interpolateTemplate(fileContent)(baseTemplateContext);\n      }\n    }\n\n    const templateSource = apply(url(schematicFilesUrl), [\n      options.skipTests ? filter(path => !path.endsWith('.spec.ts.template')) : noop(),\n      options.inlineStyle ? filter(path => !path.endsWith('.__style__.template')) : noop(),\n      options.inlineTemplate ? filter(path => !path.endsWith('.html.template')) : noop(),\n      // Treat the template options as any, because the type definition for the template options\n      // is made unnecessarily explicit. Every type of object can be used in the EJS template.\n      applyTemplates({indentTextContent, resolvedFiles, ...baseTemplateContext} as any),\n      // TODO(devversion): figure out why we cannot just remove the first parameter\n      // See for example: angular-cli#schematics/angular/component/index.ts#L160\n      move(null as any, parsedPath.path),\n    ]);\n\n    return () =>\n      chain([\n        branchAndMerge(chain([addDeclarationToNgModule(options), mergeWith(templateSource)])),\n      ])(host, context);\n  };\n}\n"]}