grafana-find/node_modules/getopts/index.cjs

194 lines
4.4 KiB
JavaScript

const EMPTYARR = []
const SHORTSPLIT = /$|[!-@[-`{-~][\s\S]*/g
const isArray = Array.isArray
const parseValue = function (any) {
if (any === "") return ""
if (any === "false") return false
const maybe = +any
return maybe * 0 === 0 ? maybe : any
}
const parseAlias = function (aliases) {
let out = {},
alias,
prev,
any
for (let key in aliases) {
any = aliases[key]
alias = out[key] = isArray(any) ? any : [any]
for (let i = 0; i < alias.length; i++) {
prev = out[alias[i]] = [key]
for (let k = 0; k < alias.length; k++) {
if (i !== k) prev.push(alias[k])
}
}
}
return out
}
const parseDefault = function (aliases, defaults) {
let out = {},
alias,
value
for (let key in defaults) {
alias = aliases[key]
value = defaults[key]
out[key] = value
if (alias === undefined) {
aliases[key] = EMPTYARR
} else {
for (let i = 0; i < alias.length; i++) {
out[alias[i]] = value
}
}
}
return out
}
const parseOptions = function (aliases, options, value) {
let out = {},
key,
alias
if (options !== undefined) {
for (let i = 0; i < options.length; i++) {
key = options[i]
alias = aliases[key]
out[key] = value
if (alias === undefined) {
aliases[key] = EMPTYARR
} else {
for (let k = 0, end = alias.length; k < end; k++) {
out[alias[k]] = value
}
}
}
}
return out
}
const write = function (out, key, value, aliases, unknown) {
let prev,
alias = aliases[key],
len = alias === undefined ? -1 : alias.length
if (len >= 0 || unknown === undefined || unknown(key)) {
prev = out[key]
if (prev === undefined) {
out[key] = value
} else {
if (isArray(prev)) {
prev.push(value)
} else {
out[key] = [prev, value]
}
}
for (let i = 0; i < len; i++) {
out[alias[i]] = out[key]
}
}
}
module.exports = function (argv, opts) {
let unknown = (opts = opts || {}).unknown,
aliases = parseAlias(opts.alias),
strings = parseOptions(aliases, opts.string, ""),
values = parseDefault(aliases, opts.default),
bools = parseOptions(aliases, opts.boolean, false),
stopEarly = opts.stopEarly,
_ = [],
out = { _ },
key,
arg,
end,
match,
value
for (let i = 0, len = argv.length; i < len; i++) {
arg = argv[i]
if (arg[0] !== "-" || arg === "-") {
if (stopEarly) {
while (i < len) {
_.push(argv[i++])
}
} else {
_.push(arg)
}
} else if (arg === "--") {
while (++i < len) {
_.push(argv[i])
}
} else if (arg[1] === "-") {
end = arg.indexOf("=", 2)
if (arg[2] === "n" && arg[3] === "o" && arg[4] === "-") {
key = arg.slice(5, end >= 0 ? end : undefined)
value = false
} else if (end >= 0) {
key = arg.slice(2, end)
value =
bools[key] !== undefined ||
(strings[key] === undefined
? parseValue(arg.slice(end + 1))
: arg.slice(end + 1))
} else {
key = arg.slice(2)
value =
bools[key] !== undefined ||
(len === i + 1 || argv[i + 1][0] === "-"
? strings[key] === undefined
? true
: ""
: strings[key] === undefined
? parseValue(argv[++i])
: argv[++i])
}
write(out, key, value, aliases, unknown)
} else {
SHORTSPLIT.lastIndex = 2
match = SHORTSPLIT.exec(arg)
end = match.index
value = match[0]
for (let k = 1; k < end; k++) {
write(
out,
(key = arg[k]),
k + 1 < end
? strings[key] === undefined ||
arg.substring(k + 1, (k = end)) + value
: value === ""
? len === i + 1 || argv[i + 1][0] === "-"
? strings[key] === undefined || ""
: bools[key] !== undefined ||
(strings[key] === undefined ? parseValue(argv[++i]) : argv[++i])
: bools[key] !== undefined ||
(strings[key] === undefined ? parseValue(value) : value),
aliases,
unknown
)
}
}
}
for (let key in values) if (out[key] === undefined) out[key] = values[key]
for (let key in bools) if (out[key] === undefined) out[key] = false
for (let key in strings) if (out[key] === undefined) out[key] = ""
return out
}