@schematics/angular/utility/ng-ast-utils.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * @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
 */
const core_1 = require("@angular-devkit/core");
const schematics_1 = require("@angular-devkit/schematics");
const path_1 = require("path");
const ts = require("../third_party/github.com/Microsoft/TypeScript/lib/typescript");
const ast_utils_1 = require("../utility/ast-utils");
function findBootstrapModuleCall(host, mainPath) {
    const mainBuffer = host.read(mainPath);
    if (!mainBuffer) {
        throw new schematics_1.SchematicsException(`Main file (${mainPath}) not found`);
    }
    const mainText = mainBuffer.toString('utf-8');
    const source = ts.createSourceFile(mainPath, mainText, ts.ScriptTarget.Latest, true);
    const allNodes = ast_utils_1.getSourceNodes(source);
    let bootstrapCall = null;
    for (const node of allNodes) {
        let bootstrapCallNode = null;
        bootstrapCallNode = ast_utils_1.findNode(node, ts.SyntaxKind.Identifier, 'bootstrapModule');
        // Walk up the parent until CallExpression is found.
        while (bootstrapCallNode && bootstrapCallNode.parent
            && bootstrapCallNode.parent.kind !== ts.SyntaxKind.CallExpression) {
            bootstrapCallNode = bootstrapCallNode.parent;
        }
        if (bootstrapCallNode !== null &&
            bootstrapCallNode.parent !== undefined &&
            bootstrapCallNode.parent.kind === ts.SyntaxKind.CallExpression) {
            bootstrapCall = bootstrapCallNode.parent;
            break;
        }
    }
    return bootstrapCall;
}
exports.findBootstrapModuleCall = findBootstrapModuleCall;
function findBootstrapModulePath(host, mainPath) {
    const bootstrapCall = findBootstrapModuleCall(host, mainPath);
    if (!bootstrapCall) {
        throw new schematics_1.SchematicsException('Bootstrap call not found');
    }
    const bootstrapModule = bootstrapCall.arguments[0];
    const mainBuffer = host.read(mainPath);
    if (!mainBuffer) {
        throw new schematics_1.SchematicsException(`Client app main file (${mainPath}) not found`);
    }
    const mainText = mainBuffer.toString('utf-8');
    const source = ts.createSourceFile(mainPath, mainText, ts.ScriptTarget.Latest, true);
    const allNodes = ast_utils_1.getSourceNodes(source);
    const bootstrapModuleRelativePath = allNodes
        .filter(node => node.kind === ts.SyntaxKind.ImportDeclaration)
        .filter(imp => {
        return ast_utils_1.findNode(imp, ts.SyntaxKind.Identifier, bootstrapModule.getText());
    })
        .map((imp) => {
        const modulePathStringLiteral = imp.moduleSpecifier;
        return modulePathStringLiteral.text;
    })[0];
    return bootstrapModuleRelativePath;
}
exports.findBootstrapModulePath = findBootstrapModulePath;
function getAppModulePath(host, mainPath) {
    const moduleRelativePath = findBootstrapModulePath(host, mainPath);
    const mainDir = path_1.dirname(mainPath);
    const modulePath = core_1.normalize(`/${mainDir}/${moduleRelativePath}.ts`);
    return modulePath;
}
exports.getAppModulePath = getAppModulePath;