diff options
Diffstat (limited to 'tools/node_modules/eslint/lib/rules/no-implicit-globals.js')
-rw-r--r-- | tools/node_modules/eslint/lib/rules/no-implicit-globals.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/lib/rules/no-implicit-globals.js b/tools/node_modules/eslint/lib/rules/no-implicit-globals.js new file mode 100644 index 0000000000..f0962cdc7a --- /dev/null +++ b/tools/node_modules/eslint/lib/rules/no-implicit-globals.js @@ -0,0 +1,55 @@ +/** + * @fileoverview Rule to check for implicit global variables and functions. + * @author Joshua Peek + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = { + meta: { + docs: { + description: "disallow variable and `function` declarations in the global scope", + category: "Best Practices", + recommended: false + }, + + schema: [] + }, + + create(context) { + return { + Program() { + const scope = context.getScope(); + + scope.variables.forEach(variable => { + if (variable.writeable) { + return; + } + + variable.defs.forEach(def => { + if (def.type === "FunctionName" || (def.type === "Variable" && def.parent.kind === "var")) { + context.report({ node: def.node, message: "Implicit global variable, assign as global property instead." }); + } + }); + }); + + scope.implicit.variables.forEach(variable => { + const scopeVariable = scope.set.get(variable.name); + + if (scopeVariable && scopeVariable.writeable) { + return; + } + + variable.defs.forEach(def => { + context.report({ node: def.node, message: "Implicit global variable, assign as global property instead." }); + }); + }); + } + }; + + } +}; |