File size: 2,261 Bytes
68d7816 | 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 | import { readFile } from 'node:fs/promises';
import path from 'node:path';
import { parseFrontmatter } from '#/_base/text/frontmatter';
import type { PluginCommandDef } from './types';
export function parseCommandText(input: {
readonly text: string;
readonly commandPath: string;
readonly pluginId: string;
readonly fallbackName?: string;
}): PluginCommandDef {
const { text, commandPath, pluginId } = input;
const parsed = parseFrontmatter(text);
const frontmatter = isRecord(parsed.data) ? parsed.data : {};
const baseName = input.fallbackName ?? path.basename(commandPath).replace(/\.md$/i, '');
const name = nonEmptyString(frontmatter['name']) ?? baseName;
const body = parsed.body.trim();
const description = nonEmptyString(frontmatter['description']) ?? descriptionFromBody(body);
return {
pluginId,
name,
description,
body,
path: path.resolve(commandPath),
};
}
export async function loadPluginCommand(input: {
readonly commandPath: string;
readonly pluginId: string;
readonly fallbackName?: string;
}): Promise<PluginCommandDef | undefined> {
try {
const text = await readFile(input.commandPath, 'utf8');
return parseCommandText({
text,
commandPath: input.commandPath,
pluginId: input.pluginId,
fallbackName: input.fallbackName,
});
} catch {
return undefined;
}
}
export function expandCommandArguments(body: string, args: string): string {
const replaced = body.replaceAll('$ARGUMENTS', args);
if (!body.includes('$ARGUMENTS') && args.length > 0) {
return `${replaced}\n\nARGUMENTS: ${args}`;
}
return replaced;
}
function nonEmptyString(value: unknown): string | undefined {
return typeof value === 'string' && value.trim() !== '' ? value.trim() : undefined;
}
function descriptionFromBody(body: string): string {
const firstLine = body
.split(/\r?\n/)
.map((line) => line.trim())
.find((line) => line.length > 0);
if (firstLine === undefined) return 'No description provided.';
return firstLine.length > 240 ? `${firstLine.slice(0, 239)}…` : firstLine;
}
function isRecord(value: unknown): value is Record<string, unknown> {
return typeof value === 'object' && value !== null && !Array.isArray(value);
}
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