1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 | "use strict";
|
7 |
|
8 |
|
9 |
|
10 |
|
11 |
|
12 | module.exports = {
|
13 | meta: {
|
14 | type: "layout",
|
15 |
|
16 | docs: {
|
17 | description: "enforce placing object properties on separate lines",
|
18 | category: "Stylistic Issues",
|
19 | recommended: false,
|
20 | url: "https://eslint.org/docs/rules/object-property-newline"
|
21 | },
|
22 |
|
23 | schema: [
|
24 | {
|
25 | type: "object",
|
26 | properties: {
|
27 | allowAllPropertiesOnSameLine: {
|
28 | type: "boolean",
|
29 | default: false
|
30 | },
|
31 | allowMultiplePropertiesPerLine: {
|
32 | type: "boolean",
|
33 | default: false
|
34 | }
|
35 | },
|
36 | additionalProperties: false
|
37 | }
|
38 | ],
|
39 |
|
40 | fixable: "whitespace",
|
41 |
|
42 | messages: {
|
43 | propertiesOnNewlineAll: "Object properties must go on a new line if they aren't all on the same line.",
|
44 | propertiesOnNewline: "Object properties must go on a new line."
|
45 | }
|
46 | },
|
47 |
|
48 | create(context) {
|
49 | const allowSameLine = context.options[0] && (
|
50 | (context.options[0].allowAllPropertiesOnSameLine || context.options[0].allowMultiplePropertiesPerLine )
|
51 | );
|
52 | const messageId = allowSameLine
|
53 | ? "propertiesOnNewlineAll"
|
54 | : "propertiesOnNewline";
|
55 |
|
56 | const sourceCode = context.getSourceCode();
|
57 |
|
58 | return {
|
59 | ObjectExpression(node) {
|
60 | if (allowSameLine) {
|
61 | if (node.properties.length > 1) {
|
62 | const firstTokenOfFirstProperty = sourceCode.getFirstToken(node.properties[0]);
|
63 | const lastTokenOfLastProperty = sourceCode.getLastToken(node.properties[node.properties.length - 1]);
|
64 |
|
65 | if (firstTokenOfFirstProperty.loc.end.line === lastTokenOfLastProperty.loc.start.line) {
|
66 |
|
67 |
|
68 | return;
|
69 | }
|
70 | }
|
71 | }
|
72 |
|
73 | for (let i = 1; i < node.properties.length; i++) {
|
74 | const lastTokenOfPreviousProperty = sourceCode.getLastToken(node.properties[i - 1]);
|
75 | const firstTokenOfCurrentProperty = sourceCode.getFirstToken(node.properties[i]);
|
76 |
|
77 | if (lastTokenOfPreviousProperty.loc.end.line === firstTokenOfCurrentProperty.loc.start.line) {
|
78 | context.report({
|
79 | node,
|
80 | loc: firstTokenOfCurrentProperty.loc,
|
81 | messageId,
|
82 | fix(fixer) {
|
83 | const comma = sourceCode.getTokenBefore(firstTokenOfCurrentProperty);
|
84 | const rangeAfterComma = [comma.range[1], firstTokenOfCurrentProperty.range[0]];
|
85 |
|
86 |
|
87 | if (sourceCode.text.slice(rangeAfterComma[0], rangeAfterComma[1]).trim()) {
|
88 | return null;
|
89 | }
|
90 |
|
91 | return fixer.replaceTextRange(rangeAfterComma, "\n");
|
92 | }
|
93 | });
|
94 | }
|
95 | }
|
96 | }
|
97 | };
|
98 | }
|
99 | };
|