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author | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
commit | abd94a7f5a50f43c797a11b53549ae48fff667c3 (patch) | |
tree | ab8ed457f65cdd72e13e0571d2975729428f1551 /node_modules/invariant/invariant.js | |
parent | a0247c6a3fd6a09a41a7e35a3441324c4dcb58be (diff) | |
download | wallet-core-abd94a7f5a50f43c797a11b53549ae48fff667c3.tar.xz |
add node_modules to address #4364
Diffstat (limited to 'node_modules/invariant/invariant.js')
-rw-r--r-- | node_modules/invariant/invariant.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/node_modules/invariant/invariant.js b/node_modules/invariant/invariant.js new file mode 100644 index 000000000..1859a2a52 --- /dev/null +++ b/node_modules/invariant/invariant.js @@ -0,0 +1,53 @@ +/** + * Copyright 2013-2015, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + */ + +'use strict'; + +/** + * Use invariant() to assert state which your program assumes to be true. + * + * Provide sprintf-style format (only %s is supported) and arguments + * to provide information about what broke and what you were + * expecting. + * + * The invariant message will be stripped in production, but the invariant + * will remain to ensure logic does not differ in production. + */ + +var NODE_ENV = process.env.NODE_ENV; + +var invariant = function(condition, format, a, b, c, d, e, f) { + if (NODE_ENV !== 'production') { + if (format === undefined) { + throw new Error('invariant requires an error message argument'); + } + } + + if (!condition) { + var error; + if (format === undefined) { + error = new Error( + 'Minified exception occurred; use the non-minified dev environment ' + + 'for the full error message and additional helpful warnings.' + ); + } else { + var args = [a, b, c, d, e, f]; + var argIndex = 0; + error = new Error( + format.replace(/%s/g, function() { return args[argIndex++]; }) + ); + error.name = 'Invariant Violation'; + } + + error.framesToPop = 1; // we don't care about invariant's own frame + throw error; + } +}; + +module.exports = invariant; |