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_internal/editor/esm/vs/base/common/iconLabels.js

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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.
+ *--------------------------------------------------------------------------------------------*/
+import { matchesFuzzy } from './filters.js';
+import { ltrim } from './strings.js';
+import { ThemeIcon } from './themables.js';
+const iconStartMarker = '$(';
+const iconsRegex = new RegExp(`\\$\\(${ThemeIcon.iconNameExpression}(?:${ThemeIcon.iconModifierExpression})?\\)`, 'g'); // no capturing groups
+const escapeIconsRegex = new RegExp(`(\\\\)?${iconsRegex.source}`, 'g');
+export function escapeIcons(text) {
+    return text.replace(escapeIconsRegex, (match, escaped) => escaped ? match : `\\${match}`);
+}
+const markdownEscapedIconsRegex = new RegExp(`\\\\${iconsRegex.source}`, 'g');
+export function markdownEscapeEscapedIcons(text) {
+    // Need to add an extra \ for escaping in markdown
+    return text.replace(markdownEscapedIconsRegex, match => `\\${match}`);
+}
+const stripIconsRegex = new RegExp(`(\\s)?(\\\\)?${iconsRegex.source}(\\s)?`, 'g');
+/**
+ * Takes a label with icons (`$(iconId)xyz`)  and strips the icons out (`xyz`)
+ */
+export function stripIcons(text) {
+    if (text.indexOf(iconStartMarker) === -1) {
+        return text;
+    }
+    return text.replace(stripIconsRegex, (match, preWhitespace, escaped, postWhitespace) => escaped ? match : preWhitespace || postWhitespace || '');
+}
+/**
+ * Takes a label with icons (`$(iconId)xyz`), removes the icon syntax adds whitespace so that screen readers can read the text better.
+ */
+export function getCodiconAriaLabel(text) {
+    if (!text) {
+        return '';
+    }
+    return text.replace(/\$\((.*?)\)/g, (_match, codiconName) => ` ${codiconName} `).trim();
+}
+const _parseIconsRegex = new RegExp(`\\$\\(${ThemeIcon.iconNameCharacter}+\\)`, 'g');
+/**
+ * Takes a label with icons (`abc $(iconId)xyz`) and returns the text (`abc xyz`) and the offsets of the icons (`[3]`)
+ */
+export function parseLabelWithIcons(input) {
+    _parseIconsRegex.lastIndex = 0;
+    let text = '';
+    const iconOffsets = [];
+    let iconsOffset = 0;
+    while (true) {
+        const pos = _parseIconsRegex.lastIndex;
+        const match = _parseIconsRegex.exec(input);
+        const chars = input.substring(pos, match?.index);
+        if (chars.length > 0) {
+            text += chars;
+            for (let i = 0; i < chars.length; i++) {
+                iconOffsets.push(iconsOffset);
+            }
+        }
+        if (!match) {
+            break;
+        }
+        iconsOffset += match[0].length;
+    }
+    return { text, iconOffsets };
+}
+export function matchesFuzzyIconAware(query, target, enableSeparateSubstringMatching = false) {
+    const { text, iconOffsets } = target;
+    // Return early if there are no icon markers in the word to match against
+    if (!iconOffsets || iconOffsets.length === 0) {
+        return matchesFuzzy(query, text, enableSeparateSubstringMatching);
+    }
+    // Trim the word to match against because it could have leading
+    // whitespace now if the word started with an icon
+    const wordToMatchAgainstWithoutIconsTrimmed = ltrim(text, ' ');
+    const leadingWhitespaceOffset = text.length - wordToMatchAgainstWithoutIconsTrimmed.length;
+    // match on value without icon
+    const matches = matchesFuzzy(query, wordToMatchAgainstWithoutIconsTrimmed, enableSeparateSubstringMatching);
+    // Map matches back to offsets with icon and trimming
+    if (matches) {
+        for (const match of matches) {
+            const iconOffset = iconOffsets[match.start + leadingWhitespaceOffset] /* icon offsets at index */ + leadingWhitespaceOffset /* overall leading whitespace offset */;
+            match.start += iconOffset;
+            match.end += iconOffset;
+        }
+    }
+    return matches;
+}
+//# sourceMappingURL=iconLabels.js.map