0d073fa89e
- Add GETTING_STARTED.md with quick start guide and development modes - Add INSTALL.sh automated installation script - Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md - Add QUICK_REFERENCE.md for common commands - Add SETUP_GUIDE.md with detailed setup instructions - Update README.md with improved project overview - Add did-wallet app dependencies and node_modules
68 lines
1.4 KiB
JavaScript
68 lines
1.4 KiB
JavaScript
const empty = new Uint8Array(0)
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/**
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* @param {Uint8Array} d
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*/
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const toHex = d => d.reduce((hex, byte) => hex + byte.toString(16).padStart(2, '0'), '')
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/**
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* @param {string} hex
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*/
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const fromHex = hex => {
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const hexes = hex.match(/../g)
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return hexes ? new Uint8Array(hexes.map(b => parseInt(b, 16))) : empty
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}
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/**
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* @param {Uint8Array} aa
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* @param {Uint8Array} bb
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*/
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const equals = (aa, bb) => {
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if (aa === bb) return true
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if (aa.byteLength !== bb.byteLength) {
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return false
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}
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for (let ii = 0; ii < aa.byteLength; ii++) {
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if (aa[ii] !== bb[ii]) {
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return false
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}
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}
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return true
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}
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/**
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* @param {ArrayBufferView|ArrayBuffer|Uint8Array} o
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* @returns {Uint8Array}
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*/
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const coerce = o => {
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if (o instanceof Uint8Array && o.constructor.name === 'Uint8Array') return o
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if (o instanceof ArrayBuffer) return new Uint8Array(o)
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if (ArrayBuffer.isView(o)) {
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return new Uint8Array(o.buffer, o.byteOffset, o.byteLength)
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}
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throw new Error('Unknown type, must be binary type')
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}
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/**
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* @param {any} o
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* @returns {o is ArrayBuffer|ArrayBufferView}
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*/
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const isBinary = o =>
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o instanceof ArrayBuffer || ArrayBuffer.isView(o)
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/**
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* @param {string} str
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* @returns {Uint8Array}
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*/
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const fromString = str => (new TextEncoder()).encode(str)
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/**
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* @param {Uint8Array} b
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* @returns {string}
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*/
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const toString = b => (new TextDecoder()).decode(b)
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export { equals, coerce, isBinary, fromHex, toHex, fromString, toString, empty }
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