46 lines
873 B
JavaScript
46 lines
873 B
JavaScript
'use strict';
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const getDocumentationUrl = require('./utils/get-documentation-url');
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const inferMethod = arguments_ => {
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if (arguments_.length > 0) {
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const [firstArgument] = arguments_;
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if (
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firstArgument.type === 'Literal' &&
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typeof firstArgument.value === 'number'
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) {
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return 'alloc';
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}
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}
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return 'from';
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};
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const create = context => {
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return {
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'NewExpression[callee.name="Buffer"]': node => {
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const method = inferMethod(node.arguments);
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const range = [
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node.range[0],
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node.callee.range[1]
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];
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context.report({
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node,
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message: `\`new Buffer()\` is deprecated, use \`Buffer.${method}()\` instead.`,
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fix: fixer => fixer.replaceTextRange(range, `Buffer.${method}`)
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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,
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meta: {
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type: 'problem',
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docs: {
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url: getDocumentationUrl(__filename)
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},
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fixable: 'code'
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}
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};
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