BOC v1.0: RS256 auth, Ledger integration, Prometheus metrics, CI/CD, backup

web-v2/node_modules/json5/lib/parse.js

@@ -0,0 +1,1114 @@
+const util = require('./util')
+
+let source
+let parseState
+let stack
+let pos
+let line
+let column
+let token
+let key
+let root
+
+module.exports = function parse (text, reviver) {
+    source = String(text)
+    parseState = 'start'
+    stack = []
+    pos = 0
+    line = 1
+    column = 0
+    token = undefined
+    key = undefined
+    root = undefined
+
+    do {
+        token = lex()
+
+        // This code is unreachable.
+        // if (!parseStates[parseState]) {
+        //     throw invalidParseState()
+        // }
+
+        parseStates[parseState]()
+    } while (token.type !== 'eof')
+
+    if (typeof reviver === 'function') {
+        return internalize({'': root}, '', reviver)
+    }
+
+    return root
+}
+
+function internalize (holder, name, reviver) {
+    const value = holder[name]
+    if (value != null && typeof value === 'object') {
+        if (Array.isArray(value)) {
+            for (let i = 0; i < value.length; i++) {
+                const key = String(i)
+                const replacement = internalize(value, key, reviver)
+                if (replacement === undefined) {
+                    delete value[key]
+                } else {
+                    Object.defineProperty(value, key, {
+                        value: replacement,
+                        writable: true,
+                        enumerable: true,
+                        configurable: true,
+                    })
+                }
+            }
+        } else {
+            for (const key in value) {
+                const replacement = internalize(value, key, reviver)
+                if (replacement === undefined) {
+                    delete value[key]
+                } else {
+                    Object.defineProperty(value, key, {
+                        value: replacement,
+                        writable: true,
+                        enumerable: true,
+                        configurable: true,
+                    })
+                }
+            }
+        }
+    }
+
+    return reviver.call(holder, name, value)
+}
+
+let lexState
+let buffer
+let doubleQuote
+let sign
+let c
+
+function lex () {
+    lexState = 'default'
+    buffer = ''
+    doubleQuote = false
+    sign = 1
+
+    for (;;) {
+        c = peek()
+
+        // This code is unreachable.
+        // if (!lexStates[lexState]) {
+        //     throw invalidLexState(lexState)
+        // }
+
+        const token = lexStates[lexState]()
+        if (token) {
+            return token
+        }
+    }
+}
+
+function peek () {
+    if (source[pos]) {
+        return String.fromCodePoint(source.codePointAt(pos))
+    }
+}
+
+function read () {
+    const c = peek()
+
+    if (c === '\n') {
+        line++
+        column = 0
+    } else if (c) {
+        column += c.length
+    } else {
+        column++
+    }
+
+    if (c) {
+        pos += c.length
+    }
+
+    return c
+}
+
+const lexStates = {
+    default () {
+        switch (c) {
+        case '\t':
+        case '\v':
+        case '\f':
+        case ' ':
+        case '\u00A0':
+        case '\uFEFF':
+        case '\n':
+        case '\r':
+        case '\u2028':
+        case '\u2029':
+            read()
+            return
+
+        case '/':
+            read()
+            lexState = 'comment'
+            return
+
+        case undefined:
+            read()
+            return newToken('eof')
+        }
+
+        if (util.isSpaceSeparator(c)) {
+            read()
+            return
+        }
+
+        // This code is unreachable.
+        // if (!lexStates[parseState]) {
+        //     throw invalidLexState(parseState)
+        // }
+
+        return lexStates[parseState]()
+    },
+
+    comment () {
+        switch (c) {
+        case '*':
+            read()
+            lexState = 'multiLineComment'
+            return
+
+        case '/':
+            read()
+            lexState = 'singleLineComment'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    multiLineComment () {
+        switch (c) {
+        case '*':
+            read()
+            lexState = 'multiLineCommentAsterisk'
+            return
+
+        case undefined:
+            throw invalidChar(read())
+        }
+
+        read()
+    },
+
+    multiLineCommentAsterisk () {
+        switch (c) {
+        case '*':
+            read()
+            return
+
+        case '/':
+            read()
+            lexState = 'default'
+            return
+
+        case undefined:
+            throw invalidChar(read())
+        }
+
+        read()
+        lexState = 'multiLineComment'
+    },
+
+    singleLineComment () {
+        switch (c) {
+        case '\n':
+        case '\r':
+        case '\u2028':
+        case '\u2029':
+            read()
+            lexState = 'default'
+            return
+
+        case undefined:
+            read()
+            return newToken('eof')
+        }
+
+        read()
+    },
+
+    value () {
+        switch (c) {
+        case '{':
+        case '[':
+            return newToken('punctuator', read())
+
+        case 'n':
+            read()
+            literal('ull')
+            return newToken('null', null)
+
+        case 't':
+            read()
+            literal('rue')
+            return newToken('boolean', true)
+
+        case 'f':
+            read()
+            literal('alse')
+            return newToken('boolean', false)
+
+        case '-':
+        case '+':
+            if (read() === '-') {
+                sign = -1
+            }
+
+            lexState = 'sign'
+            return
+
+        case '.':
+            buffer = read()
+            lexState = 'decimalPointLeading'
+            return
+
+        case '0':
+            buffer = read()
+            lexState = 'zero'
+            return
+
+        case '1':
+        case '2':
+        case '3':
+        case '4':
+        case '5':
+        case '6':
+        case '7':
+        case '8':
+        case '9':
+            buffer = read()
+            lexState = 'decimalInteger'
+            return
+
+        case 'I':
+            read()
+            literal('nfinity')
+            return newToken('numeric', Infinity)
+
+        case 'N':
+            read()
+            literal('aN')
+            return newToken('numeric', NaN)
+
+        case '"':
+        case "'":
+            doubleQuote = (read() === '"')
+            buffer = ''
+            lexState = 'string'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    identifierNameStartEscape () {
+        if (c !== 'u') {
+            throw invalidChar(read())
+        }
+
+        read()
+        const u = unicodeEscape()
+        switch (u) {
+        case '$':
+        case '_':
+            break
+
+        default:
+            if (!util.isIdStartChar(u)) {
+                throw invalidIdentifier()
+            }
+
+            break
+        }
+
+        buffer += u
+        lexState = 'identifierName'
+    },
+
+    identifierName () {
+        switch (c) {
+        case '$':
+        case '_':
+        case '\u200C':
+        case '\u200D':
+            buffer += read()
+            return
+
+        case '\\':
+            read()
+            lexState = 'identifierNameEscape'
+            return
+        }
+
+        if (util.isIdContinueChar(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('identifier', buffer)
+    },
+
+    identifierNameEscape () {
+        if (c !== 'u') {
+            throw invalidChar(read())
+        }
+
+        read()
+        const u = unicodeEscape()
+        switch (u) {
+        case '$':
+        case '_':
+        case '\u200C':
+        case '\u200D':
+            break
+
+        default:
+            if (!util.isIdContinueChar(u)) {
+                throw invalidIdentifier()
+            }
+
+            break
+        }
+
+        buffer += u
+        lexState = 'identifierName'
+    },
+
+    sign () {
+        switch (c) {
+        case '.':
+            buffer = read()
+            lexState = 'decimalPointLeading'
+            return
+
+        case '0':
+            buffer = read()
+            lexState = 'zero'
+            return
+
+        case '1':
+        case '2':
+        case '3':
+        case '4':
+        case '5':
+        case '6':
+        case '7':
+        case '8':
+        case '9':
+            buffer = read()
+            lexState = 'decimalInteger'
+            return
+
+        case 'I':
+            read()
+            literal('nfinity')
+            return newToken('numeric', sign * Infinity)
+
+        case 'N':
+            read()
+            literal('aN')
+            return newToken('numeric', NaN)
+        }
+
+        throw invalidChar(read())
+    },
+
+    zero () {
+        switch (c) {
+        case '.':
+            buffer += read()
+            lexState = 'decimalPoint'
+            return
+
+        case 'e':
+        case 'E':
+            buffer += read()
+            lexState = 'decimalExponent'
+            return
+
+        case 'x':
+        case 'X':
+            buffer += read()
+            lexState = 'hexadecimal'
+            return
+        }
+
+        return newToken('numeric', sign * 0)
+    },
+
+    decimalInteger () {
+        switch (c) {
+        case '.':
+            buffer += read()
+            lexState = 'decimalPoint'
+            return
+
+        case 'e':
+        case 'E':
+            buffer += read()
+            lexState = 'decimalExponent'
+            return
+        }
+
+        if (util.isDigit(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    decimalPointLeading () {
+        if (util.isDigit(c)) {
+            buffer += read()
+            lexState = 'decimalFraction'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    decimalPoint () {
+        switch (c) {
+        case 'e':
+        case 'E':
+            buffer += read()
+            lexState = 'decimalExponent'
+            return
+        }
+
+        if (util.isDigit(c)) {
+            buffer += read()
+            lexState = 'decimalFraction'
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    decimalFraction () {
+        switch (c) {
+        case 'e':
+        case 'E':
+            buffer += read()
+            lexState = 'decimalExponent'
+            return
+        }
+
+        if (util.isDigit(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    decimalExponent () {
+        switch (c) {
+        case '+':
+        case '-':
+            buffer += read()
+            lexState = 'decimalExponentSign'
+            return
+        }
+
+        if (util.isDigit(c)) {
+            buffer += read()
+            lexState = 'decimalExponentInteger'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    decimalExponentSign () {
+        if (util.isDigit(c)) {
+            buffer += read()
+            lexState = 'decimalExponentInteger'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    decimalExponentInteger () {
+        if (util.isDigit(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    hexadecimal () {
+        if (util.isHexDigit(c)) {
+            buffer += read()
+            lexState = 'hexadecimalInteger'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    hexadecimalInteger () {
+        if (util.isHexDigit(c)) {
+            buffer += read()
+            return
+        }
+
+        return newToken('numeric', sign * Number(buffer))
+    },
+
+    string () {
+        switch (c) {
+        case '\\':
+            read()
+            buffer += escape()
+            return
+
+        case '"':
+            if (doubleQuote) {
+                read()
+                return newToken('string', buffer)
+            }
+
+            buffer += read()
+            return
+
+        case "'":
+            if (!doubleQuote) {
+                read()
+                return newToken('string', buffer)
+            }
+
+            buffer += read()
+            return
+
+        case '\n':
+        case '\r':
+            throw invalidChar(read())
+
+        case '\u2028':
+        case '\u2029':
+            separatorChar(c)
+            break
+
+        case undefined:
+            throw invalidChar(read())
+        }
+
+        buffer += read()
+    },
+
+    start () {
+        switch (c) {
+        case '{':
+        case '[':
+            return newToken('punctuator', read())
+
+        // This code is unreachable since the default lexState handles eof.
+        // case undefined:
+        //     return newToken('eof')
+        }
+
+        lexState = 'value'
+    },
+
+    beforePropertyName () {
+        switch (c) {
+        case '$':
+        case '_':
+            buffer = read()
+            lexState = 'identifierName'
+            return
+
+        case '\\':
+            read()
+            lexState = 'identifierNameStartEscape'
+            return
+
+        case '}':
+            return newToken('punctuator', read())
+
+        case '"':
+        case "'":
+            doubleQuote = (read() === '"')
+            lexState = 'string'
+            return
+        }
+
+        if (util.isIdStartChar(c)) {
+            buffer += read()
+            lexState = 'identifierName'
+            return
+        }
+
+        throw invalidChar(read())
+    },
+
+    afterPropertyName () {
+        if (c === ':') {
+            return newToken('punctuator', read())
+        }
+
+        throw invalidChar(read())
+    },
+
+    beforePropertyValue () {
+        lexState = 'value'
+    },
+
+    afterPropertyValue () {
+        switch (c) {
+        case ',':
+        case '}':
+            return newToken('punctuator', read())
+        }
+
+        throw invalidChar(read())
+    },
+
+    beforeArrayValue () {
+        if (c === ']') {
+            return newToken('punctuator', read())
+        }
+
+        lexState = 'value'
+    },
+
+    afterArrayValue () {
+        switch (c) {
+        case ',':
+        case ']':
+            return newToken('punctuator', read())
+        }
+
+        throw invalidChar(read())
+    },
+
+    end () {
+        // This code is unreachable since it's handled by the default lexState.
+        // if (c === undefined) {
+        //     read()
+        //     return newToken('eof')
+        // }
+
+        throw invalidChar(read())
+    },
+}
+
+function newToken (type, value) {
+    return {
+        type,
+        value,
+        line,
+        column,
+    }
+}
+
+function literal (s) {
+    for (const c of s) {
+        const p = peek()
+
+        if (p !== c) {
+            throw invalidChar(read())
+        }
+
+        read()
+    }
+}
+
+function escape () {
+    const c = peek()
+    switch (c) {
+    case 'b':
+        read()
+        return '\b'
+
+    case 'f':
+        read()
+        return '\f'
+
+    case 'n':
+        read()
+        return '\n'
+
+    case 'r':
+        read()
+        return '\r'
+
+    case 't':
+        read()
+        return '\t'
+
+    case 'v':
+        read()
+        return '\v'
+
+    case '0':
+        read()
+        if (util.isDigit(peek())) {
+            throw invalidChar(read())
+        }
+
+        return '\0'
+
+    case 'x':
+        read()
+        return hexEscape()
+
+    case 'u':
+        read()
+        return unicodeEscape()
+
+    case '\n':
+    case '\u2028':
+    case '\u2029':
+        read()
+        return ''
+
+    case '\r':
+        read()
+        if (peek() === '\n') {
+            read()
+        }
+
+        return ''
+
+    case '1':
+    case '2':
+    case '3':
+    case '4':
+    case '5':
+    case '6':
+    case '7':
+    case '8':
+    case '9':
+        throw invalidChar(read())
+
+    case undefined:
+        throw invalidChar(read())
+    }
+
+    return read()
+}
+
+function hexEscape () {
+    let buffer = ''
+    let c = peek()
+
+    if (!util.isHexDigit(c)) {
+        throw invalidChar(read())
+    }
+
+    buffer += read()
+
+    c = peek()
+    if (!util.isHexDigit(c)) {
+        throw invalidChar(read())
+    }
+
+    buffer += read()
+
+    return String.fromCodePoint(parseInt(buffer, 16))
+}
+
+function unicodeEscape () {
+    let buffer = ''
+    let count = 4
+
+    while (count-- > 0) {
+        const c = peek()
+        if (!util.isHexDigit(c)) {
+            throw invalidChar(read())
+        }
+
+        buffer += read()
+    }
+
+    return String.fromCodePoint(parseInt(buffer, 16))
+}
+
+const parseStates = {
+    start () {
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        push()
+    },
+
+    beforePropertyName () {
+        switch (token.type) {
+        case 'identifier':
+        case 'string':
+            key = token.value
+            parseState = 'afterPropertyName'
+            return
+
+        case 'punctuator':
+            // This code is unreachable since it's handled by the lexState.
+            // if (token.value !== '}') {
+            //     throw invalidToken()
+            // }
+
+            pop()
+            return
+
+        case 'eof':
+            throw invalidEOF()
+        }
+
+        // This code is unreachable since it's handled by the lexState.
+        // throw invalidToken()
+    },
+
+    afterPropertyName () {
+        // This code is unreachable since it's handled by the lexState.
+        // if (token.type !== 'punctuator' || token.value !== ':') {
+        //     throw invalidToken()
+        // }
+
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        parseState = 'beforePropertyValue'
+    },
+
+    beforePropertyValue () {
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        push()
+    },
+
+    beforeArrayValue () {
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        if (token.type === 'punctuator' && token.value === ']') {
+            pop()
+            return
+        }
+
+        push()
+    },
+
+    afterPropertyValue () {
+        // This code is unreachable since it's handled by the lexState.
+        // if (token.type !== 'punctuator') {
+        //     throw invalidToken()
+        // }
+
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        switch (token.value) {
+        case ',':
+            parseState = 'beforePropertyName'
+            return
+
+        case '}':
+            pop()
+        }
+
+        // This code is unreachable since it's handled by the lexState.
+        // throw invalidToken()
+    },
+
+    afterArrayValue () {
+        // This code is unreachable since it's handled by the lexState.
+        // if (token.type !== 'punctuator') {
+        //     throw invalidToken()
+        // }
+
+        if (token.type === 'eof') {
+            throw invalidEOF()
+        }
+
+        switch (token.value) {
+        case ',':
+            parseState = 'beforeArrayValue'
+            return
+
+        case ']':
+            pop()
+        }
+
+        // This code is unreachable since it's handled by the lexState.
+        // throw invalidToken()
+    },
+
+    end () {
+        // This code is unreachable since it's handled by the lexState.
+        // if (token.type !== 'eof') {
+        //     throw invalidToken()
+        // }
+    },
+}
+
+function push () {
+    let value
+
+    switch (token.type) {
+    case 'punctuator':
+        switch (token.value) {
+        case '{':
+            value = {}
+            break
+
+        case '[':
+            value = []
+            break
+        }
+
+        break
+
+    case 'null':
+    case 'boolean':
+    case 'numeric':
+    case 'string':
+        value = token.value
+        break
+
+    // This code is unreachable.
+    // default:
+    //     throw invalidToken()
+    }
+
+    if (root === undefined) {
+        root = value
+    } else {
+        const parent = stack[stack.length - 1]
+        if (Array.isArray(parent)) {
+            parent.push(value)
+        } else {
+            Object.defineProperty(parent, key, {
+                value,
+                writable: true,
+                enumerable: true,
+                configurable: true,
+            })
+        }
+    }
+
+    if (value !== null && typeof value === 'object') {
+        stack.push(value)
+
+        if (Array.isArray(value)) {
+            parseState = 'beforeArrayValue'
+        } else {
+            parseState = 'beforePropertyName'
+        }
+    } else {
+        const current = stack[stack.length - 1]
+        if (current == null) {
+            parseState = 'end'
+        } else if (Array.isArray(current)) {
+            parseState = 'afterArrayValue'
+        } else {
+            parseState = 'afterPropertyValue'
+        }
+    }
+}
+
+function pop () {
+    stack.pop()
+
+    const current = stack[stack.length - 1]
+    if (current == null) {
+        parseState = 'end'
+    } else if (Array.isArray(current)) {
+        parseState = 'afterArrayValue'
+    } else {
+        parseState = 'afterPropertyValue'
+    }
+}
+
+// This code is unreachable.
+// function invalidParseState () {
+//     return new Error(`JSON5: invalid parse state '${parseState}'`)
+// }
+
+// This code is unreachable.
+// function invalidLexState (state) {
+//     return new Error(`JSON5: invalid lex state '${state}'`)
+// }
+
+function invalidChar (c) {
+    if (c === undefined) {
+        return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
+    }
+
+    return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`)
+}
+
+function invalidEOF () {
+    return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
+}
+
+// This code is unreachable.
+// function invalidToken () {
+//     if (token.type === 'eof') {
+//         return syntaxError(`JSON5: invalid end of input at ${line}:${column}`)
+//     }
+
+//     const c = String.fromCodePoint(token.value.codePointAt(0))
+//     return syntaxError(`JSON5: invalid character '${formatChar(c)}' at ${line}:${column}`)
+// }
+
+function invalidIdentifier () {
+    column -= 5
+    return syntaxError(`JSON5: invalid identifier character at ${line}:${column}`)
+}
+
+function separatorChar (c) {
+    console.warn(`JSON5: '${formatChar(c)}' in strings is not valid ECMAScript; consider escaping`)
+}
+
+function formatChar (c) {
+    const replacements = {
+        "'": "\\'",
+        '"': '\\"',
+        '\\': '\\\\',
+        '\b': '\\b',
+        '\f': '\\f',
+        '\n': '\\n',
+        '\r': '\\r',
+        '\t': '\\t',
+        '\v': '\\v',
+        '\0': '\\0',
+        '\u2028': '\\u2028',
+        '\u2029': '\\u2029',
+    }
+
+    if (replacements[c]) {
+        return replacements[c]
+    }
+
+    if (c < ' ') {
+        const hexString = c.charCodeAt(0).toString(16)
+        return '\\x' + ('00' + hexString).substring(hexString.length)
+    }
+
+    return c
+}
+
+function syntaxError (message) {
+    const err = new SyntaxError(message)
+    err.lineNumber = line
+    err.columnNumber = column
+    return err
+}