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Diffstat (limited to 'node_modules/get-value/index.js')
-rw-r--r-- | node_modules/get-value/index.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/node_modules/get-value/index.js b/node_modules/get-value/index.js new file mode 100644 index 0000000..5879a88 --- /dev/null +++ b/node_modules/get-value/index.js @@ -0,0 +1,50 @@ +/*! + * get-value <https://github.com/jonschlinkert/get-value> + * + * Copyright (c) 2014-2015, Jon Schlinkert. + * Licensed under the MIT License. + */ + +module.exports = function(obj, prop, a, b, c) { + if (!isObject(obj) || !prop) { + return obj; + } + + prop = toString(prop); + + // allowing for multiple properties to be passed as + // a string or array, but much faster (3-4x) than doing + // `[].slice.call(arguments)` + if (a) prop += '.' + toString(a); + if (b) prop += '.' + toString(b); + if (c) prop += '.' + toString(c); + + if (prop in obj) { + return obj[prop]; + } + + var segs = prop.split('.'); + var len = segs.length; + var i = -1; + + while (obj && (++i < len)) { + var key = segs[i]; + while (key[key.length - 1] === '\\') { + key = key.slice(0, -1) + '.' + segs[++i]; + } + obj = obj[key]; + } + return obj; +}; + +function isObject(val) { + return val !== null && (typeof val === 'object' || typeof val === 'function'); +} + +function toString(val) { + if (!val) return ''; + if (Array.isArray(val)) { + return val.join('.'); + } + return val; +} |