47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
import color from "picocolors";
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// 计算字符串显示宽度（中文2，英文1）
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function strWidth(str) {
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let width = 0;
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for (const char of str) {
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width += char.charCodeAt(0) > 127 ? 2 : 1;
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}
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return width;
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}
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// 大字效果框
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export function bigText(text, options = {}) {
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const {
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style = "double",
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textColor = "yellow",
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padding = 2,
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} = options;
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const chars = {
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block: { tl: "█", tr: "█", bl: "█", br: "█", h: "█", v: "█" },
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double: { tl: "╔", tr: "╗", bl: "╚", br: "╝", h: "═", v: "║" },
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simple: { tl: "┌", tr: "┐", bl: "└", br: "┘", h: "─", v: "│" },
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};
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const c = chars[style] || chars.double;
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const lines = text.split("\n");
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const maxWidth = Math.max(...lines.map(strWidth));
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const boxWidth = maxWidth + padding * 2;
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const result = [];
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result.push(c.tl + c.h.repeat(boxWidth) + c.tr);
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result.push(c.v + " ".repeat(boxWidth) + c.v);
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for (const line of lines) {
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const lineWidth = strWidth(line);
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const rightPad = maxWidth - lineWidth;
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result.push(c.v + " ".repeat(padding) + line + " ".repeat(rightPad + padding) + c.v);
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}
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result.push(c.v + " ".repeat(boxWidth) + c.v);
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result.push(c.bl + c.h.repeat(boxWidth) + c.br);
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const box = result.join("\n");
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return color[textColor] ? color[textColor](box) : box;
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}
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