# All files / src/components/tools GenericToolCard.tsx

84.61% Statements 33/39
87.8% Branches 36/41
100% Functions 5/5
84.21% Lines 32/38

Press n or j to go to the next uncovered block, b, p or k for the previous block.

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86
    87
    88
    89
    90
    91
    92
    93
    94
    95
    96
    97
    98
    99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110
    111
    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126
    127
    128
    129
    130
    131

    42x
    42x
    6x

    36x

    42x
    16x

    26x

    26x

    26x

    26x

    26x

    26x
    17x

    9x
    3x

    6x
    6x
    6x

    44x

    42x
    42x
    42x
    42x

    42x
    42x
    42x

    42x
    42x
    26x
    26x

    42x

    2x

     import { useState, type JSX } from "react";
    import { ChevronRight, Cog } from "lucide-react";
    import type { ToolCardProps } from "./ToolCardProps.js";
    import { ICON_SM, ICON_MD } from "../../utils/iconSize.js";
    import styles from "./toolCards.module.scss";

    /** Formats an MCP tool name for display: `mcp__server__tool` → `server / tool`. */
    export function formatToolName(tool: string): { display: string; isMcp: boolean } {
      const mcpMatch = /^mcp__([^_]+(?:_[^_]+)*)__(.+)$/.exec(tool);
      if (mcpMatch) {
        return { display: `${mcpMatch[1]} / ${mcpMatch[2]}`, isMcp: true };
      }
      return { display: tool, isMcp: false };
    }

    /** Extracts a one-line human-readable summary of tool arguments. */
    function argsPreview(args: unknown): string {
      if (args === null || args === undefined) {
        return "";
      }
      Iif (typeof args !== "object") {
        return String(args);
      }
      const a = args as Record<string, unknown>;
      // Common patterns
      Iif (typeof a.command === "string") {
        return a.command;
      }
      Iif (typeof a.file_path === "string") {
        return a.file_path;
      }
      Iif (typeof a.path === "string") {
        return a.path;
      }
      if (typeof a.query === "string") {
        return a.query;
      }
      if (typeof a.url === "string") {
        return a.url;
      }
      // Fallback
      try {
        const json = JSON.stringify(args);
        return json.length > 120 ? `${json.slice(0, 120)}\u2026` : json;
      } catch {
        return "";
      }
    }

    /** Number of result lines shown when collapsed. */
    const PREVIEW_LINES: number = 5;

    /** Renders a generic/unknown tool call with formatted args and result. */
    export function GenericToolCard({ tool, args, result, isError }: ToolCardProps): JSX.Element {
      const [expanded, setExpanded] = useState(false);
      const { display } = formatToolName(tool);
      const preview = argsPreview(args);
      const inProgress = result === undefined;

      const resultLines = result?.split("\n") ?? [];
      const hasMore = resultLines.length > PREVIEW_LINES;
      const displayResult = expanded ? result : resultLines.slice(0, PREVIEW_LINES).join("\n");

      // Format args as pretty JSON for expanded view
      let argsFormatted = "";
      if (args !== null && args !== undefined) {
        try {
          argsFormatted = JSON.stringify(args, null, 2);
        } catch {
          argsFormatted = String(args);
        }
      }

      return (
        <div
          className={`${styles.card} ${isError ? styles.cardRed : styles.cardBlue} ${inProgress ? styles.inProgress : ""}`}
          data-testid="tool-card-generic"
        >
          <div className={styles.header}>
            <span className={styles.icon}>
              <Cog size={ICON_MD} aria-hidden="true" />
            </span>
            <span className={styles.toolName} style={{ color: "var(--accent-blue)" }}>
              {display}
            </span>
            {preview && <span className={styles.fileName}>{preview}</span>}
          </div>

          {/* Show formatted args when no result yet */}
          {inProgress && argsFormatted && (
            <pre className={styles.pre} data-testid="tool-card-args">
              {argsFormatted}
            </pre>
          )}

          {isError && result && (
            <pre className={styles.pre} data-testid="tool-card-error">
              {result}
            </pre>
          )}

          {!isError && !inProgress && result && (
            <>
              <pre className={styles.pre} data-testid="tool-card-result">
                {displayResult}
              </pre>
              {hasMore && (
                <button
                  type="button"
                  className={styles.bodyToggle}
                  onClick={() => {
                    setExpanded((v) => !v);
                  }}
                  aria-expanded={expanded}
                  data-testid="tool-card-toggle"
                >
                  <span
                    className={`${styles.chevron} ${expanded ? styles.chevronExpanded : ""}`}
                    aria-hidden="true"
                  >
                    <ChevronRight size={ICON_SM} />
                  </span>
                  {expanded ? "collapse" : `${resultLines.length - PREVIEW_LINES} more lines`}
                </button>
              )}
            </>
          )}
        </div>
      );
    }