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Diffstat (limited to 'together/node_modules/semver/internal/re.js')
-rw-r--r-- | together/node_modules/semver/internal/re.js | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/together/node_modules/semver/internal/re.js b/together/node_modules/semver/internal/re.js new file mode 100644 index 0000000..ed88398 --- /dev/null +++ b/together/node_modules/semver/internal/re.js @@ -0,0 +1,182 @@ +const { MAX_SAFE_COMPONENT_LENGTH } = require('./constants') +const debug = require('./debug') +exports = module.exports = {} + +// The actual regexps go on exports.re +const re = exports.re = [] +const src = exports.src = [] +const t = exports.t = {} +let R = 0 + +const createToken = (name, value, isGlobal) => { + const index = R++ + debug(name, index, value) + t[name] = index + src[index] = value + re[index] = new RegExp(value, isGlobal ? 'g' : undefined) +} + +// The following Regular Expressions can be used for tokenizing, +// validating, and parsing SemVer version strings. + +// ## Numeric Identifier +// A single `0`, or a non-zero digit followed by zero or more digits. + +createToken('NUMERICIDENTIFIER', '0|[1-9]\\d*') +createToken('NUMERICIDENTIFIERLOOSE', '[0-9]+') + +// ## Non-numeric Identifier +// Zero or more digits, followed by a letter or hyphen, and then zero or +// more letters, digits, or hyphens. + +createToken('NONNUMERICIDENTIFIER', '\\d*[a-zA-Z-][a-zA-Z0-9-]*') + +// ## Main Version +// Three dot-separated numeric identifiers. + +createToken('MAINVERSION', `(${src[t.NUMERICIDENTIFIER]})\\.` + + `(${src[t.NUMERICIDENTIFIER]})\\.` + + `(${src[t.NUMERICIDENTIFIER]})`) + +createToken('MAINVERSIONLOOSE', `(${src[t.NUMERICIDENTIFIERLOOSE]})\\.` + + `(${src[t.NUMERICIDENTIFIERLOOSE]})\\.` + + `(${src[t.NUMERICIDENTIFIERLOOSE]})`) + +// ## Pre-release Version Identifier +// A numeric identifier, or a non-numeric identifier. + +createToken('PRERELEASEIDENTIFIER', `(?:${src[t.NUMERICIDENTIFIER] +}|${src[t.NONNUMERICIDENTIFIER]})`) + +createToken('PRERELEASEIDENTIFIERLOOSE', `(?:${src[t.NUMERICIDENTIFIERLOOSE] +}|${src[t.NONNUMERICIDENTIFIER]})`) + +// ## Pre-release Version +// Hyphen, followed by one or more dot-separated pre-release version +// identifiers. + +createToken('PRERELEASE', `(?:-(${src[t.PRERELEASEIDENTIFIER] +}(?:\\.${src[t.PRERELEASEIDENTIFIER]})*))`) + +createToken('PRERELEASELOOSE', `(?:-?(${src[t.PRERELEASEIDENTIFIERLOOSE] +}(?:\\.${src[t.PRERELEASEIDENTIFIERLOOSE]})*))`) + +// ## Build Metadata Identifier +// Any combination of digits, letters, or hyphens. + +createToken('BUILDIDENTIFIER', '[0-9A-Za-z-]+') + +// ## Build Metadata +// Plus sign, followed by one or more period-separated build metadata +// identifiers. + +createToken('BUILD', `(?:\\+(${src[t.BUILDIDENTIFIER] +}(?:\\.${src[t.BUILDIDENTIFIER]})*))`) + +// ## Full Version String +// A main version, followed optionally by a pre-release version and +// build metadata. + +// Note that the only major, minor, patch, and pre-release sections of +// the version string are capturing groups. The build metadata is not a +// capturing group, because it should not ever be used in version +// comparison. + +createToken('FULLPLAIN', `v?${src[t.MAINVERSION] +}${src[t.PRERELEASE]}?${ + src[t.BUILD]}?`) + +createToken('FULL', `^${src[t.FULLPLAIN]}$`) + +// like full, but allows v1.2.3 and =1.2.3, which people do sometimes. +// also, 1.0.0alpha1 (prerelease without the hyphen) which is pretty +// common in the npm registry. +createToken('LOOSEPLAIN', `[v=\\s]*${src[t.MAINVERSIONLOOSE] +}${src[t.PRERELEASELOOSE]}?${ + src[t.BUILD]}?`) + +createToken('LOOSE', `^${src[t.LOOSEPLAIN]}$`) + +createToken('GTLT', '((?:<|>)?=?)') + +// Something like "2.*" or "1.2.x". +// Note that "x.x" is a valid xRange identifer, meaning "any version" +// Only the first item is strictly required. +createToken('XRANGEIDENTIFIERLOOSE', `${src[t.NUMERICIDENTIFIERLOOSE]}|x|X|\\*`) +createToken('XRANGEIDENTIFIER', `${src[t.NUMERICIDENTIFIER]}|x|X|\\*`) + +createToken('XRANGEPLAIN', `[v=\\s]*(${src[t.XRANGEIDENTIFIER]})` + + `(?:\\.(${src[t.XRANGEIDENTIFIER]})` + + `(?:\\.(${src[t.XRANGEIDENTIFIER]})` + + `(?:${src[t.PRERELEASE]})?${ + src[t.BUILD]}?` + + `)?)?`) + +createToken('XRANGEPLAINLOOSE', `[v=\\s]*(${src[t.XRANGEIDENTIFIERLOOSE]})` + + `(?:\\.(${src[t.XRANGEIDENTIFIERLOOSE]})` + + `(?:\\.(${src[t.XRANGEIDENTIFIERLOOSE]})` + + `(?:${src[t.PRERELEASELOOSE]})?${ + src[t.BUILD]}?` + + `)?)?`) + +createToken('XRANGE', `^${src[t.GTLT]}\\s*${src[t.XRANGEPLAIN]}$`) +createToken('XRANGELOOSE', `^${src[t.GTLT]}\\s*${src[t.XRANGEPLAINLOOSE]}$`) + +// Coercion. +// Extract anything that could conceivably be a part of a valid semver +createToken('COERCE', `${'(^|[^\\d])' + + '(\\d{1,'}${MAX_SAFE_COMPONENT_LENGTH}})` + + `(?:\\.(\\d{1,${MAX_SAFE_COMPONENT_LENGTH}}))?` + + `(?:\\.(\\d{1,${MAX_SAFE_COMPONENT_LENGTH}}))?` + + `(?:$|[^\\d])`) +createToken('COERCERTL', src[t.COERCE], true) + +// Tilde ranges. +// Meaning is "reasonably at or greater than" +createToken('LONETILDE', '(?:~>?)') + +createToken('TILDETRIM', `(\\s*)${src[t.LONETILDE]}\\s+`, true) +exports.tildeTrimReplace = '$1~' + +createToken('TILDE', `^${src[t.LONETILDE]}${src[t.XRANGEPLAIN]}$`) +createToken('TILDELOOSE', `^${src[t.LONETILDE]}${src[t.XRANGEPLAINLOOSE]}$`) + +// Caret ranges. +// Meaning is "at least and backwards compatible with" +createToken('LONECARET', '(?:\\^)') + +createToken('CARETTRIM', `(\\s*)${src[t.LONECARET]}\\s+`, true) +exports.caretTrimReplace = '$1^' + +createToken('CARET', `^${src[t.LONECARET]}${src[t.XRANGEPLAIN]}$`) +createToken('CARETLOOSE', `^${src[t.LONECARET]}${src[t.XRANGEPLAINLOOSE]}$`) + +// A simple gt/lt/eq thing, or just "" to indicate "any version" +createToken('COMPARATORLOOSE', `^${src[t.GTLT]}\\s*(${src[t.LOOSEPLAIN]})$|^$`) +createToken('COMPARATOR', `^${src[t.GTLT]}\\s*(${src[t.FULLPLAIN]})$|^$`) + +// An expression to strip any whitespace between the gtlt and the thing +// it modifies, so that `> 1.2.3` ==> `>1.2.3` +createToken('COMPARATORTRIM', `(\\s*)${src[t.GTLT] +}\\s*(${src[t.LOOSEPLAIN]}|${src[t.XRANGEPLAIN]})`, true) +exports.comparatorTrimReplace = '$1$2$3' + +// Something like `1.2.3 - 1.2.4` +// Note that these all use the loose form, because they'll be +// checked against either the strict or loose comparator form +// later. +createToken('HYPHENRANGE', `^\\s*(${src[t.XRANGEPLAIN]})` + + `\\s+-\\s+` + + `(${src[t.XRANGEPLAIN]})` + + `\\s*$`) + +createToken('HYPHENRANGELOOSE', `^\\s*(${src[t.XRANGEPLAINLOOSE]})` + + `\\s+-\\s+` + + `(${src[t.XRANGEPLAINLOOSE]})` + + `\\s*$`) + +// Star ranges basically just allow anything at all. +createToken('STAR', '(<|>)?=?\\s*\\*') +// >=0.0.0 is like a star +createToken('GTE0', '^\\s*>=\\s*0\\.0\\.0\\s*$') +createToken('GTE0PRE', '^\\s*>=\\s*0\\.0\\.0-0\\s*$') |