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Diffstat (limited to 'includes/external/school/node_modules/deep-is/index.js')
-rw-r--r-- | includes/external/school/node_modules/deep-is/index.js | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/includes/external/school/node_modules/deep-is/index.js b/includes/external/school/node_modules/deep-is/index.js deleted file mode 100644 index 506fe27..0000000 --- a/includes/external/school/node_modules/deep-is/index.js +++ /dev/null @@ -1,102 +0,0 @@ -var pSlice = Array.prototype.slice; -var Object_keys = typeof Object.keys === 'function' - ? Object.keys - : function (obj) { - var keys = []; - for (var key in obj) keys.push(key); - return keys; - } -; - -var deepEqual = module.exports = function (actual, expected) { - // enforce Object.is +0 !== -0 - if (actual === 0 && expected === 0) { - return areZerosEqual(actual, expected); - - // 7.1. All identical values are equivalent, as determined by ===. - } else if (actual === expected) { - return true; - - } else if (actual instanceof Date && expected instanceof Date) { - return actual.getTime() === expected.getTime(); - - } else if (isNumberNaN(actual)) { - return isNumberNaN(expected); - - // 7.3. Other pairs that do not both pass typeof value == 'object', - // equivalence is determined by ==. - } else if (typeof actual != 'object' && typeof expected != 'object') { - return actual == expected; - - // 7.4. For all other Object pairs, including Array objects, equivalence is - // determined by having the same number of owned properties (as verified - // with Object.prototype.hasOwnProperty.call), the same set of keys - // (although not necessarily the same order), equivalent values for every - // corresponding key, and an identical 'prototype' property. Note: this - // accounts for both named and indexed properties on Arrays. - } else { - return objEquiv(actual, expected); - } -}; - -function isUndefinedOrNull(value) { - return value === null || value === undefined; -} - -function isArguments(object) { - return Object.prototype.toString.call(object) == '[object Arguments]'; -} - -function isNumberNaN(value) { - // NaN === NaN -> false - return typeof value == 'number' && value !== value; -} - -function areZerosEqual(zeroA, zeroB) { - // (1 / +0|0) -> Infinity, but (1 / -0) -> -Infinity and (Infinity !== -Infinity) - return (1 / zeroA) === (1 / zeroB); -} - -function objEquiv(a, b) { - if (isUndefinedOrNull(a) || isUndefinedOrNull(b)) - return false; - - // an identical 'prototype' property. - if (a.prototype !== b.prototype) return false; - //~~~I've managed to break Object.keys through screwy arguments passing. - // Converting to array solves the problem. - if (isArguments(a)) { - if (!isArguments(b)) { - return false; - } - a = pSlice.call(a); - b = pSlice.call(b); - return deepEqual(a, b); - } - try { - var ka = Object_keys(a), - kb = Object_keys(b), - key, i; - } catch (e) {//happens when one is a string literal and the other isn't - return false; - } - // having the same number of owned properties (keys incorporates - // hasOwnProperty) - if (ka.length != kb.length) - return false; - //the same set of keys (although not necessarily the same order), - ka.sort(); - kb.sort(); - //~~~cheap key test - for (i = ka.length - 1; i >= 0; i--) { - if (ka[i] != kb[i]) - return false; - } - //equivalent values for every corresponding key, and - //~~~possibly expensive deep test - for (i = ka.length - 1; i >= 0; i--) { - key = ka[i]; - if (!deepEqual(a[key], b[key])) return false; - } - return true; -} |