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Unified Diff: packages/polymer/bin/new_entry.dart

Issue 2312183003: Removed Polymer from Observatory deps (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: packages/polymer/bin/new_entry.dart
diff --git a/packages/polymer/bin/new_entry.dart b/packages/polymer/bin/new_entry.dart
deleted file mode 100644
index a1abf22e4b5a4b2472d2fb8be461aa8b3b668900..0000000000000000000000000000000000000000
--- a/packages/polymer/bin/new_entry.dart
+++ /dev/null
@@ -1,207 +0,0 @@
-// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-/// Script to create boilerplate for a Polymer element.
-/// Produces new .html entry point for a polymer app and updates the
-/// pubspec.yaml to reflect it.
-///
-/// Run this script with pub run:
-///
-/// pub run polymer:new_entry <html_file>
-///
-library polymer.bin.new_entry;
-
-import 'dart:io';
-import 'package:args/args.dart';
-import 'package:path/path.dart' as path;
-import 'package:yaml/yaml.dart';
-import 'package:source_span/source_span.dart';
-
-void printUsage() {
- print('pub run polymer:new_entry entry_point_file.html');
-}
-
-void main(List<String> args) {
- var parser = new ArgParser(allowTrailingOptions: true);
- parser.addFlag('help', abbr: 'h');
- var entryPoint;
-
- try {
- var options = parser.parse(args);
- if (options['help']) {
- printUsage();
- return;
- }
- entryPoint = options.rest[0];
- } catch (e) {
- print('$e\n');
- printUsage();
- exitCode = 1;
- return;
- }
-
- // If the entrypoint file has no extension, add .html to it.
- if (path.extension(entryPoint) == '') {
- entryPoint = '${entryPoint}.html';
- }
-
- var outputDir = path.dirname(entryPoint);
- var outputDirLocation = new Directory(outputDir);
-
- if (!outputDirLocation.existsSync()) {
- outputDirLocation.createSync(recursive: true);
- }
-
- outputDir = outputDirLocation.resolveSymbolicLinksSync();
- var pubspecDir = _findDirWithFile(outputDir, 'pubspec.yaml');
-
- if (pubspecDir == null) {
- print('Could not find pubspec.yaml when walking up from $outputDir');
- exitCode = 1;
- return;
- }
-
- var relativeEntryPoint = path.relative(
- path.join(outputDir, path.basename(entryPoint)), from: pubspecDir);
-
- try {
- if (_createBoilerPlate(relativeEntryPoint, pubspecDir)) {
- print('Added $entryPoint to ${path.join(pubspecDir, "pubspec.yaml")}');
- }
- print('Successfully created:');
- print(' ' + path.join(pubspecDir, entryPoint));
- } catch (e, t) {
- print('Exception: $e\n$t');
- print('Error creating files in $outputDir');
- exitCode = 1;
- }
-
- return;
-}
-
-String _findDirWithFile(String dir, String filename) {
- while (!new File(path.join(dir, filename)).existsSync()) {
- var parentDir = path.dirname(dir);
- // If we reached root and failed to find it, bail.
- if (parentDir == dir) return null;
- dir = parentDir;
- }
- return dir;
-}
-
-// Returns true if the pubspec file was modified. It might not be modified if
-// there was a monolithic polymer transformer in the pubspec, or if the entry
-// point for some reason already existed in the pubspec.
-bool _createBoilerPlate(String entryPoint, String pubspecDir) {
- String html = '''
-<!doctype html>
-<html>
- <head>
- <!-- link rel="import" href="path_to_html_import.html" -->
- </head>
- <body>
- <!-- HTML for body here -->
- <script type="application/dart">export 'package:polymer/init.dart';</script>
- </body>
-</html>
-''';
-
- new File(path.join(pubspecDir, entryPoint)).writeAsStringSync(html);
-
- var pubspecPath = path.join(pubspecDir, 'pubspec.yaml');
- var pubspecText = new File(pubspecPath).readAsStringSync();
- var transformers = loadYaml(pubspecText)['transformers'];
- var entryPoints;
-
- var insertionPoint;
- var textToInsert = '';
-
- if (transformers != null) {
- // If there are transformers in the pubspec, look for the polymer
- // transformers, get the entry points, and delete the old entry points.
- SourceSpan transformersSourceSpan = transformers.span;
-
- SourceSpan polymerTransformerSourceSpan;
- SourceSpan entryPointsSourceSpan;
- for (var e in transformers) {
- if (e == 'polymer') {
- // If they had an empty polymer transformer, just get rid of it (we will
- // replace it with our own map style one).
- var polymerRegex = new RegExp(r'\n\s*-\spolymer\s*');
- // Insert right after the newline.
- insertionPoint = pubspecText.indexOf(polymerRegex) + 1;
- pubspecText = pubspecText.replaceFirst(polymerRegex, '\n');
- } else if (e is YamlMap && e['polymer'] != null) {
- polymerTransformerSourceSpan = e['polymer'].span;
-
- var existing = e['polymer']['entry_points'];
- if (existing == null && e['polymer'].containsKey('entry_points')) {
- if (path.split(entryPoint)[0] != 'web') {
- print('WARNING: Did not add entry_point $entryPoint to pubspec.yaml'
- ' because of existing empty `entry_points` field in polymer'
- ' transformer. This defaults to treating all files under `web/`'
- ' as entry points, but you tried to add an entry point outside'
- ' of the `web/` folder. You will need to explicitly list all'
- ' entrypoints that you care about into your pubspec in order to'
- ' include any outside of `web/`.');
- }
- return false;
- }
- entryPoints = (existing == null
- ? []
- : (existing is String ? [existing] : existing.toList()));
-
- if (entryPoints.contains(entryPoint)) return false;
- entryPoints.add(entryPoint);
-
- if (existing != null) {
- entryPointsSourceSpan = existing.span;
- }
- }
- }
-
- if (polymerTransformerSourceSpan == null) {
- if (insertionPoint == null) {
- insertionPoint = transformersSourceSpan.start.offset;
- }
- textToInsert = '- polymer:\n entry_points:\n';
- } else if (entryPointsSourceSpan == null) {
- insertionPoint = polymerTransformerSourceSpan.start.offset;
- textToInsert = ' entry_points:\n';
- } else {
- insertionPoint = entryPointsSourceSpan.start.offset;
- pubspecText = '${pubspecText.substring(0, insertionPoint)}'
- '${pubspecText.substring(entryPointsSourceSpan.end.offset)}';
- }
- } else {
- // There were no transformers at all.
- insertionPoint = pubspecText.length;
- var optionalNewline = pubspecText.endsWith('\n') ? '' : '\n';
- textToInsert = '''
-${optionalNewline}transformers:
-- polymer:
- entry_points:
-''';
- entryPoints = [entryPoint];
- }
-
- if (entryPoints == null) entryPoints = [entryPoint];
- // TODO(dgrove): Once dartbug.com/20409 is addressed, use that here.
- var entryPointsText = entryPoints.map((e) => ' - $e').join('\n');
-
- textToInsert += entryPointsText;
- if (insertionPoint == pubspecText.length) {
- pubspecText = '${pubspecText}${textToInsert}';
- } else {
- pubspecText = '${pubspecText.substring(0, insertionPoint)}'
- '${textToInsert}\n${pubspecText.substring(insertionPoint)}';
- }
-
- _writePubspec(pubspecPath, pubspecText);
- return true;
-}
-
-_writePubspec(String pubspecPath, String text) {
- new File(pubspecPath).writeAsStringSync(text);
-}
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