Revamping to matrix style

node_modules/vscode-html-languageservice/lib/esm/services/htmlFormatter.js

@@ -0,0 +1,149 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import { Range, Position } from '../htmlLanguageTypes';
+import { html_beautify } from '../beautify/beautify-html';
+import { repeat } from '../utils/strings';
+export function format(document, range, options) {
+    let value = document.getText();
+    let includesEnd = true;
+    let initialIndentLevel = 0;
+    const tabSize = options.tabSize || 4;
+    if (range) {
+        let startOffset = document.offsetAt(range.start);
+        // include all leading whitespace iff at the beginning of the line
+        let extendedStart = startOffset;
+        while (extendedStart > 0 && isWhitespace(value, extendedStart - 1)) {
+            extendedStart--;
+        }
+        if (extendedStart === 0 || isEOL(value, extendedStart - 1)) {
+            startOffset = extendedStart;
+        }
+        else {
+            // else keep at least one whitespace
+            if (extendedStart < startOffset) {
+                startOffset = extendedStart + 1;
+            }
+        }
+        // include all following whitespace until the end of the line
+        let endOffset = document.offsetAt(range.end);
+        let extendedEnd = endOffset;
+        while (extendedEnd < value.length && isWhitespace(value, extendedEnd)) {
+            extendedEnd++;
+        }
+        if (extendedEnd === value.length || isEOL(value, extendedEnd)) {
+            endOffset = extendedEnd;
+        }
+        range = Range.create(document.positionAt(startOffset), document.positionAt(endOffset));
+        // Do not modify if substring starts in inside an element
+        // Ending inside an element is fine as it doesn't cause formatting errors
+        const firstHalf = value.substring(0, startOffset);
+        if (new RegExp(/.*[<][^>]*$/).test(firstHalf)) {
+            //return without modification
+            value = value.substring(startOffset, endOffset);
+            return [{
+                    range: range,
+                    newText: value
+                }];
+        }
+        includesEnd = endOffset === value.length;
+        value = value.substring(startOffset, endOffset);
+        if (startOffset !== 0) {
+            const startOfLineOffset = document.offsetAt(Position.create(range.start.line, 0));
+            initialIndentLevel = computeIndentLevel(document.getText(), startOfLineOffset, options);
+        }
+    }
+    else {
+        range = Range.create(Position.create(0, 0), document.positionAt(value.length));
+    }
+    const htmlOptions = {
+        indent_size: tabSize,
+        indent_char: options.insertSpaces ? ' ' : '\t',
+        indent_empty_lines: getFormatOption(options, 'indentEmptyLines', false),
+        wrap_line_length: getFormatOption(options, 'wrapLineLength', 120),
+        unformatted: getTagsFormatOption(options, 'unformatted', void 0),
+        content_unformatted: getTagsFormatOption(options, 'contentUnformatted', void 0),
+        indent_inner_html: getFormatOption(options, 'indentInnerHtml', false),
+        preserve_newlines: getFormatOption(options, 'preserveNewLines', true),
+        max_preserve_newlines: getFormatOption(options, 'maxPreserveNewLines', 32786),
+        indent_handlebars: getFormatOption(options, 'indentHandlebars', false),
+        end_with_newline: includesEnd && getFormatOption(options, 'endWithNewline', false),
+        extra_liners: getTagsFormatOption(options, 'extraLiners', void 0),
+        wrap_attributes: getFormatOption(options, 'wrapAttributes', 'auto'),
+        wrap_attributes_indent_size: getFormatOption(options, 'wrapAttributesIndentSize', void 0),
+        eol: '\n',
+        indent_scripts: getFormatOption(options, 'indentScripts', 'normal'),
+        templating: getTemplatingFormatOption(options, 'all'),
+        unformatted_content_delimiter: getFormatOption(options, 'unformattedContentDelimiter', ''),
+    };
+    let result = html_beautify(trimLeft(value), htmlOptions);
+    if (initialIndentLevel > 0) {
+        const indent = options.insertSpaces ? repeat(' ', tabSize * initialIndentLevel) : repeat('\t', initialIndentLevel);
+        result = result.split('\n').join('\n' + indent);
+        if (range.start.character === 0) {
+            result = indent + result; // keep the indent
+        }
+    }
+    return [{
+            range: range,
+            newText: result
+        }];
+}
+function trimLeft(str) {
+    return str.replace(/^\s+/, '');
+}
+function getFormatOption(options, key, dflt) {
+    if (options && options.hasOwnProperty(key)) {
+        const value = options[key];
+        if (value !== null) {
+            return value;
+        }
+    }
+    return dflt;
+}
+function getTagsFormatOption(options, key, dflt) {
+    const list = getFormatOption(options, key, null);
+    if (typeof list === 'string') {
+        if (list.length > 0) {
+            return list.split(',').map(t => t.trim().toLowerCase());
+        }
+        return [];
+    }
+    return dflt;
+}
+function getTemplatingFormatOption(options, dflt) {
+    const value = getFormatOption(options, 'templating', dflt);
+    if (value === true) {
+        return ['auto'];
+    }
+    if (value === false || value === dflt || Array.isArray(value) === false) {
+        return ['none'];
+    }
+    return value;
+}
+function computeIndentLevel(content, offset, options) {
+    let i = offset;
+    let nChars = 0;
+    const tabSize = options.tabSize || 4;
+    while (i < content.length) {
+        const ch = content.charAt(i);
+        if (ch === ' ') {
+            nChars++;
+        }
+        else if (ch === '\t') {
+            nChars += tabSize;
+        }
+        else {
+            break;
+        }
+        i++;
+    }
+    return Math.floor(nChars / tabSize);
+}
+function isEOL(text, offset) {
+    return '\r\n'.indexOf(text.charAt(offset)) !== -1;
+}
+function isWhitespace(text, offset) {
+    return ' \t'.indexOf(text.charAt(offset)) !== -1;
+}