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| author | littleblack111 <littleblack11111@gmail.com> | 2023-10-30 16:45:38 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-10-30 16:45:38 +0800 |
| commit | a0579f91bbdf0de62b59df381d97a008bb98df57 (patch) | |
| tree | 69c21333750c7bc7358f9383560438048d9adebf /node_modules/js-yaml/lib/common.js | |
| parent | 2d8aeba452672bcda2096e5d76bf37131c34075e (diff) | |
update/upgrade
Diffstat (limited to 'node_modules/js-yaml/lib/common.js')
| -rw-r--r-- | node_modules/js-yaml/lib/common.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/js-yaml/lib/common.js b/node_modules/js-yaml/lib/common.js new file mode 100644 index 00000000..25ef7d8e --- /dev/null +++ b/node_modules/js-yaml/lib/common.js @@ -0,0 +1,59 @@ +'use strict'; + + +function isNothing(subject) { + return (typeof subject === 'undefined') || (subject === null); +} + + +function isObject(subject) { + return (typeof subject === 'object') && (subject !== null); +} + + +function toArray(sequence) { + if (Array.isArray(sequence)) return sequence; + else if (isNothing(sequence)) return []; + + return [ sequence ]; +} + + +function extend(target, source) { + var index, length, key, sourceKeys; + + if (source) { + sourceKeys = Object.keys(source); + + for (index = 0, length = sourceKeys.length; index < length; index += 1) { + key = sourceKeys[index]; + target[key] = source[key]; + } + } + + return target; +} + + +function repeat(string, count) { + var result = '', cycle; + + for (cycle = 0; cycle < count; cycle += 1) { + result += string; + } + + return result; +} + + +function isNegativeZero(number) { + return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number); +} + + +module.exports.isNothing = isNothing; +module.exports.isObject = isObject; +module.exports.toArray = toArray; +module.exports.repeat = repeat; +module.exports.isNegativeZero = isNegativeZero; +module.exports.extend = extend; |
