95 lines
3.6 KiB
JavaScript
95 lines
3.6 KiB
JavaScript
|
/**
|
||
|
* @fileoverview Rule to enforce placing object properties on separate lines.
|
||
|
* @author Vitor Balocco
|
||
|
*/
|
||
|
|
||
|
"use strict";
|
||
|
|
||
|
//------------------------------------------------------------------------------
|
||
|
// Rule Definition
|
||
|
//------------------------------------------------------------------------------
|
||
|
|
||
|
module.exports = {
|
||
|
meta: {
|
||
|
type: "layout",
|
||
|
|
||
|
docs: {
|
||
|
description: "enforce placing object properties on separate lines",
|
||
|
category: "Stylistic Issues",
|
||
|
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"
|
||
|
},
|
||
|
|
||
|
create(context) {
|
||
|
const allowSameLine = context.options[0] && (
|
||
|
(context.options[0].allowAllPropertiesOnSameLine || context.options[0].allowMultiplePropertiesPerLine /* Deprecated */)
|
||
|
);
|
||
|
const errorMessage = allowSameLine
|
||
|
? "Object properties must go on a new line if they aren't all on the same line."
|
||
|
: "Object properties must go on a new line.";
|
||
|
|
||
|
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.start,
|
||
|
message: errorMessage,
|
||
|
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");
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
};
|
||
|
}
|
||
|
};
|