@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
75 lines • 8.78 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.parseJitUri = exports.generateJitInlineUri = exports.generateJitFileUri = exports.JIT_NAMESPACE_REGEXP = exports.JIT_TEMPLATE_NAMESPACE = exports.JIT_STYLE_NAMESPACE = void 0;
/**
* A string value representing the base namespace for Angular JIT mode related imports.
*/
const JIT_BASE_NAMESPACE = 'angular:jit';
/**
* A string value representing the namespace for Angular JIT mode related imports for
* Component styles. This namespace is used for both inline (`styles`) and external
* (`styleUrls`) styles.
*/
exports.JIT_STYLE_NAMESPACE = `${JIT_BASE_NAMESPACE}:style`;
/**
* A string value representing the namespace for Angular JIT mode related imports for
* Component templates. This namespace is currently only used for external (`templateUrl`)
* templates.
*/
exports.JIT_TEMPLATE_NAMESPACE = `${JIT_BASE_NAMESPACE}:template`;
/**
* A regular expression that can be used to match a Angular JIT mode namespace URI.
* It contains capture groups for the type (template/style), origin (file/inline), and specifier.
* The {@link parseJitUri} function can be used to parse and return an object representation of a JIT URI.
*/
exports.JIT_NAMESPACE_REGEXP = new RegExp(`^${JIT_BASE_NAMESPACE}:(template|style):(file|inline);(.*)$`);
/**
* Generates an Angular JIT mode namespace URI for a given file.
* @param file The path of the file to be included.
* @param type The type of the file (`style` or `template`).
* @returns A string containing the full JIT namespace URI.
*/
function generateJitFileUri(file, type) {
return `${JIT_BASE_NAMESPACE}:${type}:file;${file}`;
}
exports.generateJitFileUri = generateJitFileUri;
/**
* Generates an Angular JIT mode namespace URI for a given inline style or template.
* The provided content is base64 encoded and included in the URI.
* @param data The content to encode within the URI.
* @param type The type of the content (`style` or `template`).
* @returns A string containing the full JIT namespace URI.
*/
function generateJitInlineUri(data, type) {
return `${JIT_BASE_NAMESPACE}:${type}:inline;${Buffer.from(data).toString('base64')}`;
}
exports.generateJitInlineUri = generateJitInlineUri;
/**
* Parses a string containing a JIT namespace URI.
* JIT namespace URIs are used to encode the information for an Angular component's stylesheets
* and templates when compiled in JIT mode.
* @param uri The URI to parse into its underlying components.
* @returns An object containing the namespace, type, origin, and specifier of the URI;
* `undefined` if not a JIT namespace URI.
*/
function parseJitUri(uri) {
const matches = exports.JIT_NAMESPACE_REGEXP.exec(uri);
if (!matches) {
return undefined;
}
return {
namespace: `${JIT_BASE_NAMESPACE}:${matches[1]}`,
type: matches[1],
origin: matches[2],
specifier: matches[3],
};
}
exports.parseJitUri = parseJitUri;
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