Add extracted source directory and README navigation

extracted-source/node_modules/@inquirer/select/dist/esm/index.mjs

@@ -0,0 +1,150 @@
+import { createPrompt, useState, useKeypress, usePrefix, usePagination, useRef, useMemo, useEffect, isBackspaceKey, isEnterKey, isUpKey, isDownKey, isNumberKey, Separator, ValidationError, makeTheme, } from '@inquirer/core';
+import colors from 'yoctocolors-cjs';
+import figures from '@inquirer/figures';
+import ansiEscapes from 'ansi-escapes';
+const selectTheme = {
+    icon: { cursor: figures.pointer },
+    style: {
+        disabled: (text) => colors.dim(`- ${text}`),
+        description: (text) => colors.cyan(text),
+    },
+    helpMode: 'auto',
+};
+function isSelectable(item) {
+    return !Separator.isSeparator(item) && !item.disabled;
+}
+function normalizeChoices(choices) {
+    return choices.map((choice) => {
+        if (Separator.isSeparator(choice))
+            return choice;
+        if (typeof choice === 'string') {
+            return {
+                value: choice,
+                name: choice,
+                short: choice,
+                disabled: false,
+            };
+        }
+        const name = choice.name ?? String(choice.value);
+        return {
+            value: choice.value,
+            name,
+            description: choice.description,
+            short: choice.short ?? name,
+            disabled: choice.disabled ?? false,
+        };
+    });
+}
+export default createPrompt((config, done) => {
+    const { loop = true, pageSize = 7 } = config;
+    const firstRender = useRef(true);
+    const theme = makeTheme(selectTheme, config.theme);
+    const [status, setStatus] = useState('idle');
+    const prefix = usePrefix({ status, theme });
+    const searchTimeoutRef = useRef();
+    const items = useMemo(() => normalizeChoices(config.choices), [config.choices]);
+    const bounds = useMemo(() => {
+        const first = items.findIndex(isSelectable);
+        const last = items.findLastIndex(isSelectable);
+        if (first < 0) {
+            throw new ValidationError('[select prompt] No selectable choices. All choices are disabled.');
+        }
+        return { first, last };
+    }, [items]);
+    const defaultItemIndex = useMemo(() => {
+        if (!('default' in config))
+            return -1;
+        return items.findIndex((item) => isSelectable(item) && item.value === config.default);
+    }, [config.default, items]);
+    const [active, setActive] = useState(defaultItemIndex === -1 ? bounds.first : defaultItemIndex);
+    // Safe to assume the cursor position always point to a Choice.
+    const selectedChoice = items[active];
+    useKeypress((key, rl) => {
+        clearTimeout(searchTimeoutRef.current);
+        if (isEnterKey(key)) {
+            setStatus('done');
+            done(selectedChoice.value);
+        }
+        else if (isUpKey(key) || isDownKey(key)) {
+            rl.clearLine(0);
+            if (loop ||
+                (isUpKey(key) && active !== bounds.first) ||
+                (isDownKey(key) && active !== bounds.last)) {
+                const offset = isUpKey(key) ? -1 : 1;
+                let next = active;
+                do {
+                    next = (next + offset + items.length) % items.length;
+                } while (!isSelectable(items[next]));
+                setActive(next);
+            }
+        }
+        else if (isNumberKey(key)) {
+            rl.clearLine(0);
+            const position = Number(key.name) - 1;
+            const item = items[position];
+            if (item != null && isSelectable(item)) {
+                setActive(position);
+            }
+        }
+        else if (isBackspaceKey(key)) {
+            rl.clearLine(0);
+        }
+        else {
+            // Default to search
+            const searchTerm = rl.line.toLowerCase();
+            const matchIndex = items.findIndex((item) => {
+                if (Separator.isSeparator(item) || !isSelectable(item))
+                    return false;
+                return item.name.toLowerCase().startsWith(searchTerm);
+            });
+            if (matchIndex >= 0) {
+                setActive(matchIndex);
+            }
+            searchTimeoutRef.current = setTimeout(() => {
+                rl.clearLine(0);
+            }, 700);
+        }
+    });
+    useEffect(() => () => {
+        clearTimeout(searchTimeoutRef.current);
+    }, []);
+    const message = theme.style.message(config.message, status);
+    let helpTipTop = '';
+    let helpTipBottom = '';
+    if (theme.helpMode === 'always' ||
+        (theme.helpMode === 'auto' && firstRender.current)) {
+        firstRender.current = false;
+        if (items.length > pageSize) {
+            helpTipBottom = `\n${theme.style.help('(Use arrow keys to reveal more choices)')}`;
+        }
+        else {
+            helpTipTop = theme.style.help('(Use arrow keys)');
+        }
+    }
+    const page = usePagination({
+        items,
+        active,
+        renderItem({ item, isActive }) {
+            if (Separator.isSeparator(item)) {
+                return ` ${item.separator}`;
+            }
+            if (item.disabled) {
+                const disabledLabel = typeof item.disabled === 'string' ? item.disabled : '(disabled)';
+                return theme.style.disabled(`${item.name} ${disabledLabel}`);
+            }
+            const color = isActive ? theme.style.highlight : (x) => x;
+            const cursor = isActive ? theme.icon.cursor : ` `;
+            return color(`${cursor} ${item.name}`);
+        },
+        pageSize,
+        loop,
+    });
+    if (status === 'done') {
+        return `${prefix} ${message} ${theme.style.answer(selectedChoice.short)}`;
+    }
+    const choiceDescription = selectedChoice.description
+        ? `\n${theme.style.description(selectedChoice.description)}`
+        : ``;
+    return `${[prefix, message, helpTipTop].filter(Boolean).join(' ')}\n${page}${helpTipBottom}${choiceDescription}${ansiEscapes.cursorHide}`;
+});
+export { Separator } from '@inquirer/core';