@schematics/angular
Version:
Schematics specific to Angular
117 lines (116 loc) • 5.38 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.dev/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.ROUTING_MODULE_EXT_LEGACY = exports.MODULE_EXT_LEGACY = exports.ROUTING_MODULE_EXT = exports.MODULE_EXT = void 0;
exports.findModuleFromOptions = findModuleFromOptions;
exports.findModule = findModule;
exports.buildRelativePath = buildRelativePath;
const core_1 = require("@angular-devkit/core");
exports.MODULE_EXT = '-module.ts';
exports.ROUTING_MODULE_EXT = '-routing-module.ts';
exports.MODULE_EXT_LEGACY = '.module.ts';
exports.ROUTING_MODULE_EXT_LEGACY = '-routing.module.ts';
/**
* Find the module referred by a set of options passed to the schematics.
*/
function findModuleFromOptions(host, options) {
if (options.standalone || options.skipImport) {
return undefined;
}
if (!options.module) {
const pathToCheck = (options.path || '') + '/' + options.name;
return (0, core_1.normalize)(findModule(host, pathToCheck, options.moduleExt, options.routingModuleExt));
}
else {
const modulePath = (0, core_1.normalize)(`/${options.path}/${options.module}`);
const componentPath = (0, core_1.normalize)(`/${options.path}/${options.name}`);
const moduleBaseName = (0, core_1.normalize)(modulePath).split('/').pop();
const candidateSet = new Set([(0, core_1.normalize)(options.path || '/')]);
for (let dir = modulePath; dir != core_1.NormalizedRoot; dir = (0, core_1.dirname)(dir)) {
candidateSet.add(dir);
}
for (let dir = componentPath; dir != core_1.NormalizedRoot; dir = (0, core_1.dirname)(dir)) {
candidateSet.add(dir);
}
const candidatesDirs = [...candidateSet].sort((a, b) => b.length - a.length);
const candidateFiles = ['', `${moduleBaseName}.ts`];
if (options.moduleExt) {
candidateFiles.push(`${moduleBaseName}${options.moduleExt}`);
}
else {
candidateFiles.push(`${moduleBaseName}${exports.MODULE_EXT}`, `${moduleBaseName}${exports.MODULE_EXT_LEGACY}`);
}
for (const c of candidatesDirs) {
for (const sc of candidateFiles) {
const scPath = (0, core_1.join)(c, sc);
if (host.exists(scPath) && host.readText(scPath).includes('@NgModule')) {
return (0, core_1.normalize)(scPath);
}
}
}
throw new Error(`Specified module '${options.module}' does not exist.\n` +
`Looked in the following directories:\n ${candidatesDirs.join('\n ')}`);
}
}
/**
* Function to find the "closest" module to a generated file's path.
*/
function findModule(host, generateDir, moduleExt, routingModuleExt) {
let dir = host.getDir('/' + generateDir);
let foundRoutingModule = false;
const moduleExtensions = moduleExt ? [moduleExt] : [exports.MODULE_EXT, exports.MODULE_EXT_LEGACY];
const routingModuleExtensions = routingModuleExt
? [routingModuleExt]
: [exports.ROUTING_MODULE_EXT, exports.ROUTING_MODULE_EXT_LEGACY];
while (dir) {
const allMatches = dir.subfiles.filter((p) => moduleExtensions.some((m) => p.endsWith(m)));
const filteredMatches = allMatches.filter((p) => !routingModuleExtensions.some((m) => p.endsWith(m)));
foundRoutingModule = foundRoutingModule || allMatches.length !== filteredMatches.length;
if (filteredMatches.length == 1) {
return (0, core_1.join)(dir.path, filteredMatches[0]);
}
else if (filteredMatches.length > 1) {
throw new Error(`More than one module matches. Use the '--skip-import' option to skip importing ` +
'the component into the closest module or use the module option to specify a module.');
}
dir = dir.parent;
}
const errorMsg = foundRoutingModule
? 'Could not find a non Routing NgModule.' +
`\nModules with suffix '${routingModuleExt}' are strictly reserved for routing.` +
`\nUse the '--skip-import' option to skip importing in NgModule.`
: `Could not find an NgModule. Use the '--skip-import' option to skip importing in NgModule.`;
throw new Error(errorMsg);
}
/**
* Build a relative path from one file path to another file path.
*/
function buildRelativePath(from, to) {
from = (0, core_1.normalize)(from);
to = (0, core_1.normalize)(to);
// Convert to arrays.
const fromParts = from.split('/');
const toParts = to.split('/');
// Remove file names (preserving destination)
fromParts.pop();
const toFileName = toParts.pop();
const relativePath = (0, core_1.relative)((0, core_1.normalize)(fromParts.join('/') || '/'), (0, core_1.normalize)(toParts.join('/') || '/'));
let pathPrefix = '';
// Set the path prefix for same dir or child dir, parent dir starts with `..`
if (!relativePath) {
pathPrefix = '.';
}
else if (!relativePath.startsWith('.')) {
pathPrefix = `./`;
}
if (pathPrefix && !pathPrefix.endsWith('/')) {
pathPrefix += '/';
}
return pathPrefix + (relativePath ? relativePath + '/' : '') + toFileName;
}