forked from enviPath/enviPy
51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
/**
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* @fileoverview Rule to flag use of a leading/trailing decimal point in a numeric literal
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* @author James Allardice
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = {
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meta: {
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docs: {
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description: "disallow leading or trailing decimal points in numeric literals",
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category: "Best Practices",
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recommended: false
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},
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schema: [],
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fixable: "code"
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},
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create(context) {
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return {
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Literal(node) {
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if (typeof node.value === "number") {
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if (node.raw.indexOf(".") === 0) {
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context.report({
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node,
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message: "A leading decimal point can be confused with a dot.",
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fix: fixer => fixer.insertTextBefore(node, "0")
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});
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}
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if (node.raw.indexOf(".") === node.raw.length - 1) {
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context.report({
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node,
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message: "A trailing decimal point can be confused with a dot.",
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fix: fixer => fixer.insertTextAfter(node, "0")
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});
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}
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}
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}
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};
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}
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};
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