minify-html/gen/_common.ts at v0.6.0 · Yegorov/minify-html

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import { mkdirSync, writeFileSync } from "fs";

import { join } from "path";

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 (!Number.isSafeInteger(c) || c < 0 || 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("");