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[html] Format embedded JavaScript

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This commit is contained in:
Martin Aeschlimann
2016-11-18 16:56:06 +01:00
parent e51299d9cb
commit cbdddca5ed
8 changed files with 251 additions and 33 deletions
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108
extensions/html/server/src/test/formatting.test.ts Normal file
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
'use strict';
import * as assert from 'assert';
import { getLanguageModes } from '../modes/languageModes';
import { TextDocument, Range, TextEdit, FormattingOptions } from 'vscode-languageserver-types';
suite('HTML Embedded Formatting', () => {
function assertFormat(value: string, expected: string, options?: any): void {
var languageModes = getLanguageModes({ css: true, javascript: true });
if (options) {
languageModes.getAllModes().forEach(m => m.configure(options));
}
let rangeStartOffset = value.indexOf('|');
let rangeEndOffset;
if (rangeStartOffset !== -1) {
value = value.substr(0, rangeStartOffset) + value.substr(rangeStartOffset + 1);
rangeEndOffset = value.indexOf('|');
value = value.substr(0, rangeEndOffset) + value.substr(rangeEndOffset + 1);
} else {
rangeStartOffset = 0;
rangeEndOffset = value.length;
}
let document = TextDocument.create('test://test/test.html', 'html', 0, value);
let range = Range.create(document.positionAt(rangeStartOffset), document.positionAt(rangeEndOffset));
let formatOptions = FormattingOptions.create(2, true);
let ranges = languageModes.getModesInRange(document, range);
let result: TextEdit[] = [];
ranges.forEach(r => {
let mode = r.mode;
if (mode && mode.format) {
let edits = mode.format(document, r, formatOptions);
pushAll(result, edits);
}
});
let actual = applyEdits(document, result);
assert.equal(actual, expected);
}
test('HTML only', function (): any {
assertFormat('<html><body><p>Hello</p></body></html>', '<html>\n\n<body>\n <p>Hello</p>\n</body>\n\n</html>');
assertFormat('|<html><body><p>Hello</p></body></html>|', '<html>\n\n<body>\n <p>Hello</p>\n</body>\n\n</html>');
assertFormat('<html>|<body><p>Hello</p></body>|</html>', '<html><body>\n <p>Hello</p>\n</body></html>');
});
test('HTML & Scripts', function (): any {
assertFormat('<html><head><script></script></head></html>', '<html>\n\n<head>\n <script></script>\n</head>\n\n</html>');
assertFormat('<html><head><script>var x=1;</script></head></html>', '<html>\n\n<head>\n <script>var x = 1;</script>\n</head>\n\n</html>');
assertFormat('<html><head><script>\nvar x=1;\n</script></head></html>', '<html>\n\n<head>\n <script>\n var x = 1;\n</script>\n</head>\n\n</html>');
assertFormat('<html><head>\n <script>\nvar x=1;\n</script></head></html>', '<html>\n\n<head>\n <script>\n var x = 1;\n</script>\n</head>\n\n</html>');
assertFormat('<html><head>\n <script>\nvar x=1;\nconsole.log("Hi");\n</script></head></html>', '<html>\n\n<head>\n <script>\n var x = 1;\n console.log("Hi");\n</script>\n</head>\n\n</html>');
assertFormat('<html><head>\n |<script>\nvar x=1;\n</script>|</head></html>', '<html><head>\n <script>\n var x = 1;\n</script></head></html>');
assertFormat('<html><head>\n <script>\n|var x=1;|\n</script></head></html>', '<html><head>\n <script>\n var x = 1;\n</script></head></html>');
});
test('HTML & Multiple Scripts', function (): any {
assertFormat('<html><head>\n<script>\nif(x){\nbar(); }\n</script><script>\nfunction(x){}\n</script></head></html>', '<html>\n\n<head>\n <script>\n if (x) {\n bar();\n }\n</script>\n<script>\n function(x) { }\n</script>\n</head>\n\n</html>');
});
test('HTML & Styles', function (): any {
assertFormat('<html><head>\n<style>\n.foo{display:none;}\n</style></head></html>', '<html>\n\n<head>\n <style>\n.foo{display:none;}\n</style>\n</head>\n\n</html>');
});
test('EndWithNewline', function (): any {
let options = {
html: {
format: {
endWithNewline : true
}
}
};
assertFormat('<html><body><p>Hello</p></body></html>', '<html>\n\n<body>\n <p>Hello</p>\n</body>\n\n</html>\n', options);
assertFormat('<html>|<body><p>Hello</p></body>|</html>', '<html><body>\n <p>Hello</p>\n</body></html>', options);
assertFormat('<html><head><script>\nvar x=1;\n</script></head></html>', '<html>\n\n<head>\n <script>\n var x = 1;\n</script>\n</head>\n\n</html>\n', options);
});
});
function pushAll<T>(to: T[], from: T[]) {
if (from) {
for (var i = 0; i < from.length; i++) {
to.push(from[i]);
}
}
}
function applyEdits(document: TextDocument, edits: TextEdit[]): string {
let text = document.getText();
let sortedEdits = edits.sort((a, b) => document.offsetAt(b.range.start) - document.offsetAt(a.range.start));
let lastOffset = text.length;
sortedEdits.forEach(e => {
let startOffset = document.offsetAt(e.range.start);
let endOffset = document.offsetAt(e.range.end);
assert.ok(startOffset <= endOffset);
assert.ok(endOffset <= lastOffset);
text = text.substring(0, startOffset) + e.newText + text.substring(endOffset, text.length);
lastOffset = startOffset;
});
return text;
}