2023-12-20 11:34:39 +05:30
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import fs from "node:fs/promises";
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import path from "node:path";
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import childProcess from "node:child_process";
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2023-12-24 20:19:58 +05:30
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export const IMG_RX = /(\.png|\.jpg|\.svg|\.gif)$/gim;
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export const SLUG_RX = /(?<=\nslug: ).*?$/gm;
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2023-12-20 11:34:39 +05:30
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export async function* walkSync(dir) {
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const files = await fs.readdir(dir, { withFileTypes: true });
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for (const file of files) {
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if (file.isDirectory()) {
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yield* walkSync(path.join(dir, file.name));
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} else {
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yield path.join(dir, file.name);
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}
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}
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}
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export function execGit(args, opts = {}, root = null) {
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const gitRoot = root || getRootDir();
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const { status, error, stdout, stderr } = childProcess.spawnSync(
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"git",
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args,
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{
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cwd: gitRoot,
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// Default is 1MB
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maxBuffer: 1024 * 1024 * 100, // 100MB
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},
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);
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if (error || status !== 0) {
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if (stderr) {
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console.log(args);
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console.log(`Error running git ${args}`);
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console.error(stderr);
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}
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if (error) {
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throw error;
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}
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throw new Error(
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`git command failed: ${stderr.toString() || stdout.toString()}`,
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);
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}
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return stdout.toString().trim();
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}
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export function getRootDir() {
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return execGit(["rev-parse", "--show-toplevel"], {}, process.cwd());
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}
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export function isImagePath(path) {
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return IMG_RX.test(path);
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}
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2024-02-13 13:10:09 +05:30
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/*
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* Returns locations (line and column numbers) of 'searchValue' in the given 'content'.
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*/
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export function getLocations(content, searchValue) {
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const lineLengths = content.split("\n").map((line) => line.length);
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const searchRx =
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searchValue instanceof RegExp
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? searchValue
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: new RegExp(searchValue, "mig");
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const matches = [...content.matchAll(searchRx)].map((match) => match.index);
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const positions = [];
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let currentPosition = 0;
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lineLengths.forEach((lineLength, index) => {
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lineLength += 1; // add '\n'
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for (const match of matches) {
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if (currentPosition < match && currentPosition + lineLength > match) {
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positions.push({
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line: index + 1,
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column: match - currentPosition + 1,
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});
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}
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}
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currentPosition += lineLength;
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});
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return positions;
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}
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/*
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* Convert Markdown header into URL slug.
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*/
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export function stringToFragment(text) {
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2024-08-26 22:19:24 +05:30
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if (!text) return text;
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2024-02-13 13:10:09 +05:30
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return text
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.trim()
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.replace(/["#$%&+,/:;=?@[\]^`{|}~')(\\]/g, "")
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.replace(/\s+/g, "_");
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}
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