first commit

This commit is contained in:
jefferyzhao
2025-07-31 17:44:12 +08:00
commit b9bdc8598b
42390 changed files with 4467935 additions and 0 deletions

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const backgroundWhite = '\x1b[47m'
const backgroundBlack = '\x1b[40m'
const foregroundWhite = '\x1b[37m'
const foregroundBlack = '\x1b[30m'
const reset = '\x1b[0m'
const lineSetupNormal = backgroundWhite + foregroundBlack // setup colors
const lineSetupInverse = backgroundBlack + foregroundWhite // setup colors
const createPalette = function (lineSetup, foregroundWhite, foregroundBlack) {
return {
// 1 ... white, 2 ... black, 0 ... transparent (default)
'00': reset + ' ' + lineSetup,
'01': reset + foregroundWhite + '▄' + lineSetup,
'02': reset + foregroundBlack + '▄' + lineSetup,
10: reset + foregroundWhite + '▀' + lineSetup,
11: ' ',
12: '▄',
20: reset + foregroundBlack + '▀' + lineSetup,
21: '▀',
22: '█'
}
}
/**
* Returns code for QR pixel
* @param {boolean[][]} modules
* @param {number} size
* @param {number} x
* @param {number} y
* @return {'0' | '1' | '2'}
*/
const mkCodePixel = function (modules, size, x, y) {
const sizePlus = size + 1
if ((x >= sizePlus) || (y >= sizePlus) || (y < -1) || (x < -1)) return '0'
if ((x >= size) || (y >= size) || (y < 0) || (x < 0)) return '1'
const idx = (y * size) + x
return modules[idx] ? '2' : '1'
}
/**
* Returns code for four QR pixels. Suitable as key in palette.
* @param {boolean[][]} modules
* @param {number} size
* @param {number} x
* @param {number} y
* @return {keyof palette}
*/
const mkCode = function (modules, size, x, y) {
return (
mkCodePixel(modules, size, x, y) +
mkCodePixel(modules, size, x, y + 1)
)
}
exports.render = function (qrData, options, cb) {
const size = qrData.modules.size
const data = qrData.modules.data
const inverse = !!(options && options.inverse)
const lineSetup = options && options.inverse ? lineSetupInverse : lineSetupNormal
const white = inverse ? foregroundBlack : foregroundWhite
const black = inverse ? foregroundWhite : foregroundBlack
const palette = createPalette(lineSetup, white, black)
const newLine = reset + '\n' + lineSetup
let output = lineSetup // setup colors
for (let y = -1; y < size + 1; y += 2) {
for (let x = -1; x < size; x++) {
output += palette[mkCode(data, size, x, y)]
}
output += palette[mkCode(data, size, size, y)] + newLine
}
output += reset
if (typeof cb === 'function') {
cb(null, output)
}
return output
}

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node_modules/qrcode/lib/renderer/terminal/terminal.js generated vendored Normal file
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// let Utils = require('./utils')
exports.render = function (qrData, options, cb) {
const size = qrData.modules.size
const data = qrData.modules.data
// let opts = Utils.getOptions(options)
// use same scheme as https://github.com/gtanner/qrcode-terminal because it actually works! =)
const black = '\x1b[40m \x1b[0m'
const white = '\x1b[47m \x1b[0m'
let output = ''
const hMargin = Array(size + 3).join(white)
const vMargin = Array(2).join(white)
output += hMargin + '\n'
for (let i = 0; i < size; ++i) {
output += white
for (let j = 0; j < size; j++) {
// let topModule = data[i * size + j]
// let bottomModule = data[(i + 1) * size + j]
output += data[i * size + j] ? black : white// getBlockChar(topModule, bottomModule)
}
// output += white+'\n'
output += vMargin + '\n'
}
output += hMargin + '\n'
if (typeof cb === 'function') {
cb(null, output)
}
return output
}
/*
exports.renderToFile = function renderToFile (path, qrData, options, cb) {
if (typeof cb === 'undefined') {
cb = options
options = undefined
}
let fs = require('fs')
let utf8 = exports.render(qrData, options)
fs.writeFile(path, utf8, cb)
}
*/