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author | Rebecca Turner <me@re-becca.org> | 2018-04-20 18:26:37 -0700 |
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committer | Rebecca Turner <me@re-becca.org> | 2018-05-24 23:24:45 -0700 |
commit | 468ab4519e1b92473acefb22801497a1af6aebae (patch) | |
tree | bdac1d062cd4b094bde3a21147bab5d82c792ece /deps/npm/node_modules/lodash/lang/isError.js | |
parent | ac8226115e2192a7a46ba07789fa5136f74223e1 (diff) | |
download | android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.tar.gz android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.tar.bz2 android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.zip |
deps: upgrade npm to 6.1.0
PR-URL: https://github.com/nodejs/node/pull/20190
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Michaƫl Zasso <targos@protonmail.com>
Diffstat (limited to 'deps/npm/node_modules/lodash/lang/isError.js')
-rw-r--r-- | deps/npm/node_modules/lodash/lang/isError.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/deps/npm/node_modules/lodash/lang/isError.js b/deps/npm/node_modules/lodash/lang/isError.js new file mode 100644 index 0000000000..a7bb0d0946 --- /dev/null +++ b/deps/npm/node_modules/lodash/lang/isError.js @@ -0,0 +1,36 @@ +var isObjectLike = require('../internal/isObjectLike'); + +/** `Object#toString` result references. */ +var errorTag = '[object Error]'; + +/** Used for native method references. */ +var objectProto = Object.prototype; + +/** + * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring) + * of values. + */ +var objToString = objectProto.toString; + +/** + * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`, + * `SyntaxError`, `TypeError`, or `URIError` object. + * + * @static + * @memberOf _ + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an error object, else `false`. + * @example + * + * _.isError(new Error); + * // => true + * + * _.isError(Error); + * // => false + */ +function isError(value) { + return isObjectLike(value) && typeof value.message == 'string' && objToString.call(value) == errorTag; +} + +module.exports = isError; |