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author | Michaël Zasso <targos@protonmail.com> | 2017-12-22 16:53:42 +0100 |
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committer | Michaël Zasso <targos@protonmail.com> | 2018-01-11 09:48:05 +0100 |
commit | 3dc30632755713179f345f4af024bd904c6162d0 (patch) | |
tree | f28c4f6dd6dfc5992edf301449d1a371d229755b /tools/node_modules/eslint/lib/rules/use-isnan.js | |
parent | a2c7085dd4a8e60d1a47572aca8bb6fcb7a32f88 (diff) | |
download | android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.tar.gz android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.tar.bz2 android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.zip |
tools: move eslint from tools to tools/node_modules
This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.
Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Diffstat (limited to 'tools/node_modules/eslint/lib/rules/use-isnan.js')
-rw-r--r-- | tools/node_modules/eslint/lib/rules/use-isnan.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/lib/rules/use-isnan.js b/tools/node_modules/eslint/lib/rules/use-isnan.js new file mode 100644 index 0000000000..5ec48a0386 --- /dev/null +++ b/tools/node_modules/eslint/lib/rules/use-isnan.js @@ -0,0 +1,34 @@ +/** + * @fileoverview Rule to flag comparisons to the value NaN + * @author James Allardice + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = { + meta: { + docs: { + description: "require calls to `isNaN()` when checking for `NaN`", + category: "Possible Errors", + recommended: true + }, + + schema: [] + }, + + create(context) { + + return { + BinaryExpression(node) { + if (/^(?:[<>]|[!=]=)=?$/.test(node.operator) && (node.left.name === "NaN" || node.right.name === "NaN")) { + context.report({ node, message: "Use the isNaN function to compare with NaN." }); + } + } + }; + + } +}; |