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Current File : /var/www/html/node_modules/eslint/lib/rules/object-property-newline.js |
/** * @fileoverview Rule to enforce placing object properties on separate lines. * @author Vitor Balocco */ "use strict"; //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ /** @type {import('../shared/types').Rule} */ module.exports = { meta: { type: "layout", docs: { description: "enforce placing object properties on separate lines", recommended: false, url: "https://eslint.org/docs/rules/object-property-newline" }, schema: [ { type: "object", properties: { allowAllPropertiesOnSameLine: { type: "boolean", default: false }, allowMultiplePropertiesPerLine: { // Deprecated type: "boolean", default: false } }, additionalProperties: false } ], fixable: "whitespace", messages: { propertiesOnNewlineAll: "Object properties must go on a new line if they aren't all on the same line.", propertiesOnNewline: "Object properties must go on a new line." } }, create(context) { const allowSameLine = context.options[0] && ( (context.options[0].allowAllPropertiesOnSameLine || context.options[0].allowMultiplePropertiesPerLine /* Deprecated */) ); const messageId = allowSameLine ? "propertiesOnNewlineAll" : "propertiesOnNewline"; const sourceCode = context.getSourceCode(); return { ObjectExpression(node) { if (allowSameLine) { if (node.properties.length > 1) { const firstTokenOfFirstProperty = sourceCode.getFirstToken(node.properties[0]); const lastTokenOfLastProperty = sourceCode.getLastToken(node.properties[node.properties.length - 1]); if (firstTokenOfFirstProperty.loc.end.line === lastTokenOfLastProperty.loc.start.line) { // All keys and values are on the same line return; } } } for (let i = 1; i < node.properties.length; i++) { const lastTokenOfPreviousProperty = sourceCode.getLastToken(node.properties[i - 1]); const firstTokenOfCurrentProperty = sourceCode.getFirstToken(node.properties[i]); if (lastTokenOfPreviousProperty.loc.end.line === firstTokenOfCurrentProperty.loc.start.line) { context.report({ node, loc: firstTokenOfCurrentProperty.loc, messageId, fix(fixer) { const comma = sourceCode.getTokenBefore(firstTokenOfCurrentProperty); const rangeAfterComma = [comma.range[1], firstTokenOfCurrentProperty.range[0]]; // Don't perform a fix if there are any comments between the comma and the next property. if (sourceCode.text.slice(rangeAfterComma[0], rangeAfterComma[1]).trim()) { return null; } return fixer.replaceTextRange(rangeAfterComma, "\n"); } }); } } } }; } };