mirror of https://github.com/nodejs/node.git
58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
/**
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* @fileOverview Any non-ASCII characters in lib/ will increase the size
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* of the compiled node binary. This linter rule ensures that
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* any such character is reported.
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* @author Sarat Addepalli <sarat.addepalli@gmail.com>
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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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const nonAsciiRegexPattern = /[^\r\n\x20-\x7e]/;
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const suggestions = {
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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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'»': '"',
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'—': '-',
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};
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module.exports = {
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create(context) {
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const reportIfError = (node, sourceCode) => {
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const matches = sourceCode.text.match(nonAsciiRegexPattern);
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if (!matches) return;
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const offendingCharacter = matches[0];
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const offendingCharacterPosition = matches.index;
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const suggestion = suggestions[offendingCharacter];
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let message = `Non-ASCII character '${offendingCharacter}' detected.`;
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message = suggestion ?
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`${message} Consider replacing with: ${suggestion}` :
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message;
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context.report({
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node,
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message,
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loc: sourceCode.getLocFromIndex(offendingCharacterPosition),
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});
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};
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return {
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Program: (node) => reportIfError(node, context.sourceCode),
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};
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},
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};
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