linktree/node_modules/simple-code-frame/dist/cjs/index.js
2025-06-16 13:37:14 +02:00

103 lines
4.0 KiB
JavaScript

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createCodeFrame = void 0;
const kl = __importStar(require("kolorist"));
/**
* Convert tabs indentation to two spaces.
*/
function tabs2Spaces(str) {
return str.replace(/^\t+/, tabs => ' '.repeat(tabs.length));
}
/**
* Generate an excerpt of the location in the source around the
* specified position.
*/
function createCodeFrame(text, lineNum, columnNum, { before = 2, after = 3, colors = true, maxWidth = 0, lineMarkerChar = '▶', seperatorChar = '│', columnMarkerChar = '▲' } = {}) {
const lines = text.split('\n');
const start = Math.max(0, lineNum - before);
const end = Math.min(lines.length, lineNum + after + 1);
// Maximum space needed for line numbering in the current range.
// Necessary when the amount of digits of the line numbering grows:
// 999 | asdf
// 1000 | asdjadfjsa
const maxLineNum = String(end).length;
const padding = ' '.repeat(maxLineNum);
// Normalize all indentation (=tabs) to use 2 spaces. We need to
// apply the difference to the marker position to move it back in
// place.
const spaceLines = [];
let maxLineLen = 0;
for (let i = start; i < end; i++) {
const line = tabs2Spaces(lines[i]);
spaceLines.push(line);
if (line.length > maxLineLen)
maxLineLen = line.length;
}
const activeLine = spaceLines[lineNum - start];
// Move marker into correct place by taking the amount of
// normalized tabs into account
const count = Math.max(0, activeLine.length - lines[lineNum].length + columnNum);
const maxLensWidth = maxWidth - '> '.length - padding.length - ' | '.length;
let left = 0;
let right = maxLensWidth;
if (maxWidth > 0) {
const half = Math.floor(maxLensWidth / 2);
let winLeft = count - half;
if (winLeft > 0) {
let winRight = count + half - 1;
left = winLeft;
right = winRight;
if (winRight > maxLensWidth) {
const offset = Math.min(0, winRight - maxLensWidth);
left -= offset;
right -= offset;
}
}
}
const sep = kl.dim(seperatorChar);
let out = '';
for (let i = 0; i < spaceLines.length; i++) {
const line = spaceLines[i];
const currentLine = kl.dim((padding + (i + start + 1)).slice(-maxLineNum));
let formatted = line;
if (maxWidth > 0) {
formatted = formatted.slice(left, Math.min(right, line.length));
if (left > 0) {
formatted = '…' + formatted;
}
if (line.length > right) {
formatted += '…';
}
}
// Line where the error occured
if (i === lineNum - start) {
out += kl.red(lineMarkerChar) + ` ${currentLine} ${sep} ${formatted}\n`;
out += ` ${padding} ${sep} ${' '.repeat(count - left)}${kl.bold(kl.red(columnMarkerChar))}\n`;
}
else {
out += ` ${currentLine} ${sep} ${formatted}\n`;
}
}
return colors ? out : kl.stripColors(out);
}
exports.createCodeFrame = createCodeFrame;
//# sourceMappingURL=index.js.map