@schematics/angular
Version:
Schematics specific to Angular
56 lines (55 loc) • 2.24 kB
JavaScript
Object.defineProperty(exports, "__esModule", { value: true });
const ts = require("../../third_party/github.com/Microsoft/TypeScript/lib/typescript");
function* visit(directory) {
for (const path of directory.subfiles) {
if (path.endsWith('.ts') && !path.endsWith('.d.ts')) {
const entry = directory.file(path);
if (entry) {
const content = entry.content;
if (content.includes('loadChildren')) {
const source = ts.createSourceFile(entry.path, content.toString().replace(/^\uFEFF/, ''), ts.ScriptTarget.Latest, true);
yield source;
}
}
}
}
for (const path of directory.subdirs) {
if (path === 'node_modules') {
continue;
}
yield* visit(directory.dir(path));
}
}
function updateLazyModulePaths() {
return tree => {
for (const sourceFile of visit(tree.root)) {
let recorder;
ts.forEachChild(sourceFile, function analyze(node) {
if (ts.isPropertyAssignment(node) &&
(ts.isIdentifier(node.name) || ts.isStringLiteral(node.name)) &&
node.name.text === 'loadChildren' &&
ts.isStringLiteral(node.initializer)) {
const valueNode = node.initializer;
const parts = valueNode.text.split('#');
const path = parts[0];
const moduleName = parts[1] || 'default';
const fix = `() => import('${path}').then(m => m.${moduleName})`;
if (!recorder) {
recorder = tree.beginUpdate(sourceFile.fileName);
}
const index = valueNode.getStart();
const length = valueNode.getWidth();
recorder
.remove(index, length)
.insertLeft(index, fix);
}
ts.forEachChild(node, analyze);
});
if (recorder) {
tree.commitUpdate(recorder);
}
}
};
}
exports.updateLazyModulePaths = updateLazyModulePaths;
;