minify-html/gen/_common.ts at v0.3.8 · songlinshu/minify-html

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import { join } from "path";

import {mkdirSync, writeFileSync} from 'fs';

export const RUST_OUT_DIR = join(__dirname, '..', 'src', 'gen');

try {

mkdirSync(RUST_OUT_DIR);

} catch (err) {

if (err.code !== 'EEXIST') {

throw err;

}

writeFileSync(join(RUST_OUT_DIR, 'mod.rs'), `

pub mod attrs;

pub mod codepoints;

pub mod entities;

`);

export const DATA_DIR = join(__dirname, 'data');

export const leftPad = (str: string, n: number) => '0'.repeat(n - str.length) + str;

export const prettyJson = (v: any) => JSON.stringify(v, null, 2);

export const byteStringLiteral = (bytes: number[]): string => 'b"' + bytes.map(c => {

if (c > 255) throw new Error('Not a byte');

// 0x20 == ' '.

// 0x7E == '~'.

// 0x5C == '\\'.

// 0x22 == '"'.

if (c >= 0x20 && c <= 0x7E && c != 0x5C && c != 0x22) {

return String.fromCharCode(c);

} else {

return `\\x${leftPad(c.toString(16), 2)}`;

}

}).join('') + '"';