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feat(schematics): add component store schematics (#2886)
Closes #2570
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145 changes: 145 additions & 0 deletions
145
modules/component-store/schematics-core/utility/find-component.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| /** | ||
| * @license | ||
| * Copyright Google Inc. 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 | ||
| */ | ||
| import { | ||
| Path, | ||
| join, | ||
| normalize, | ||
| relative, | ||
| strings, | ||
| basename, | ||
| extname, | ||
| dirname, | ||
| } from '@angular-devkit/core'; | ||
| import { DirEntry, Tree } from '@angular-devkit/schematics'; | ||
|
|
||
| export interface ComponentOptions { | ||
| component?: string; | ||
| name: string; | ||
| flat?: boolean; | ||
| path?: string; | ||
| skipImport?: boolean; | ||
| } | ||
|
|
||
| /** | ||
| * Find the component referred by a set of options passed to the schematics. | ||
| */ | ||
| export function findComponentFromOptions( | ||
| host: Tree, | ||
| options: ComponentOptions | ||
| ): Path | undefined { | ||
| if (options.hasOwnProperty('skipImport') && options.skipImport) { | ||
| return undefined; | ||
| } | ||
|
|
||
| if (!options.component) { | ||
| const pathToCheck = | ||
| (options.path || '') + | ||
| (options.flat ? '' : '/' + strings.dasherize(options.name)); | ||
|
|
||
| return normalize(findComponent(host, pathToCheck)); | ||
| } else { | ||
| const componentPath = normalize( | ||
| '/' + options.path + '/' + options.component | ||
| ); | ||
| const componentBaseName = normalize(componentPath).split('/').pop(); | ||
|
|
||
| if (host.exists(componentPath)) { | ||
| return normalize(componentPath); | ||
| } else if (host.exists(componentPath + '.ts')) { | ||
| return normalize(componentPath + '.ts'); | ||
| } else if (host.exists(componentPath + '.component.ts')) { | ||
| return normalize(componentPath + '.component.ts'); | ||
| } else if ( | ||
| host.exists(componentPath + '/' + componentBaseName + '.component.ts') | ||
| ) { | ||
| return normalize( | ||
| componentPath + '/' + componentBaseName + '.component.ts' | ||
| ); | ||
| } else { | ||
| throw new Error( | ||
| `Specified component path ${componentPath} does not exist` | ||
| ); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Function to find the "closest" component to a generated file's path. | ||
| */ | ||
| export function findComponent(host: Tree, generateDir: string): Path { | ||
| let dir: DirEntry | null = host.getDir('/' + generateDir); | ||
|
|
||
| const componentRe = /\.component\.ts$/; | ||
|
|
||
| while (dir) { | ||
| const matches = dir.subfiles.filter((p) => componentRe.test(p)); | ||
|
|
||
| if (matches.length == 1) { | ||
| return join(dir.path, matches[0]); | ||
| } else if (matches.length > 1) { | ||
| throw new Error( | ||
| 'More than one component matches. Use skip-import option to skip importing ' + | ||
| 'the component store into the closest component.' | ||
| ); | ||
| } | ||
|
|
||
| dir = dir.parent; | ||
| } | ||
|
|
||
| throw new Error( | ||
| 'Could not find an Component. Use the skip-import ' + | ||
| 'option to skip importing in Component.' | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Build a relative path from one file path to another file path. | ||
| */ | ||
| export function buildRelativePath(from: string, to: string): string { | ||
| const { | ||
| path: fromPath, | ||
| filename: fromFileName, | ||
| directory: fromDirectory, | ||
| } = parsePath(from); | ||
| const { | ||
| path: toPath, | ||
| filename: toFileName, | ||
| directory: toDirectory, | ||
| } = parsePath(to); | ||
| const relativePath = relative(fromDirectory, toDirectory); | ||
| const fixedRelativePath = relativePath.startsWith('.') | ||
| ? relativePath | ||
| : `./${relativePath}`; | ||
|
|
||
| return !toFileName || toFileName === 'index.ts' | ||
| ? fixedRelativePath | ||
| : `${ | ||
| fixedRelativePath.endsWith('/') | ||
| ? fixedRelativePath | ||
| : fixedRelativePath + '/' | ||
| }${convertToTypeScriptFileName(toFileName)}`; | ||
| } | ||
|
|
||
| function parsePath(path: string) { | ||
| const pathNormalized = normalize(path) as Path; | ||
| const filename = extname(pathNormalized) ? basename(pathNormalized) : ''; | ||
| const directory = filename ? dirname(pathNormalized) : pathNormalized; | ||
| return { | ||
| path: pathNormalized, | ||
| filename, | ||
| directory, | ||
| }; | ||
| } | ||
| /** | ||
| * Strips the typescript extension and clears index filenames | ||
| * foo.ts -> foo | ||
| * index.ts -> empty | ||
| */ | ||
| function convertToTypeScriptFileName(filename: string | undefined) { | ||
| return filename ? filename.replace(/(\.ts)|(index\.ts)$/, '') : ''; | ||
| } |
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