90 lines
2.6 KiB
TypeScript
90 lines
2.6 KiB
TypeScript
import { note as clackNote } from "@clack/prompts";
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import { visibleWidth } from "./ansi.js";
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import { stylePromptTitle } from "./prompt-style.js";
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function splitLongWord(word: string, maxLen: number): string[] {
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if (maxLen <= 0) return [word];
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const chars = Array.from(word);
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const parts: string[] = [];
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for (let i = 0; i < chars.length; i += maxLen) {
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parts.push(chars.slice(i, i + maxLen).join(""));
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}
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return parts.length > 0 ? parts : [word];
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}
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function wrapLine(line: string, maxWidth: number): string[] {
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if (line.trim().length === 0) return [line];
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const match = line.match(/^(\s*)([-*\u2022]\s+)?(.*)$/);
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const indent = match?.[1] ?? "";
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const bullet = match?.[2] ?? "";
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const content = match?.[3] ?? "";
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const firstPrefix = `${indent}${bullet}`;
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const nextPrefix = `${indent}${bullet ? " ".repeat(bullet.length) : ""}`;
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const firstWidth = Math.max(10, maxWidth - visibleWidth(firstPrefix));
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const nextWidth = Math.max(10, maxWidth - visibleWidth(nextPrefix));
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const words = content.split(/\s+/).filter(Boolean);
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const lines: string[] = [];
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let current = "";
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let prefix = firstPrefix;
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let available = firstWidth;
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for (const word of words) {
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if (!current) {
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if (visibleWidth(word) > available) {
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const parts = splitLongWord(word, available);
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const first = parts.shift() ?? "";
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lines.push(prefix + first);
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prefix = nextPrefix;
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available = nextWidth;
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for (const part of parts) lines.push(prefix + part);
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continue;
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}
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current = word;
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continue;
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}
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const candidate = `${current} ${word}`;
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if (visibleWidth(candidate) <= available) {
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current = candidate;
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continue;
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}
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lines.push(prefix + current);
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prefix = nextPrefix;
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available = nextWidth;
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if (visibleWidth(word) > available) {
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const parts = splitLongWord(word, available);
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const first = parts.shift() ?? "";
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lines.push(prefix + first);
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for (const part of parts) lines.push(prefix + part);
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current = "";
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continue;
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}
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current = word;
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}
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if (current || words.length === 0) {
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lines.push(prefix + current);
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}
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return lines;
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}
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export function wrapNoteMessage(
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message: string,
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options: { maxWidth?: number; columns?: number } = {},
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): string {
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const columns = options.columns ?? process.stdout.columns ?? 80;
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const maxWidth = options.maxWidth ?? Math.max(40, Math.min(88, columns - 10));
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return message
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.split("\n")
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.flatMap((line) => wrapLine(line, maxWidth))
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.join("\n");
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}
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export function note(message: string, title?: string) {
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clackNote(wrapNoteMessage(message), stylePromptTitle(title));
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}
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