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74 lines
2.2 KiB
Plaintext
74 lines
2.2 KiB
Plaintext
'use strict';
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var utils = require('../utils.js');
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require('eslint-visitor-keys');
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require('espree');
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require('estraverse');
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var dotLocation = utils.createRule({
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name: "dot-location",
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package: "js",
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meta: {
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type: "layout",
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docs: {
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description: "Enforce consistent newlines before and after dots"
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},
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schema: [
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{
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type: "string",
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enum: ["object", "property"]
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}
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],
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fixable: "code",
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messages: {
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expectedDotAfterObject: "Expected dot to be on same line as object.",
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expectedDotBeforeProperty: "Expected dot to be on same line as property."
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}
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},
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create(context) {
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const config = context.options[0];
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const onObject = config === "object" || !config;
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const sourceCode = context.sourceCode;
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function checkDotLocation(node) {
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const property = node.property;
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const dotToken = sourceCode.getTokenBefore(property);
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if (onObject && dotToken) {
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const tokenBeforeDot = sourceCode.getTokenBefore(dotToken);
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if (tokenBeforeDot && !utils.isTokenOnSameLine(tokenBeforeDot, dotToken)) {
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context.report({
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node,
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loc: dotToken.loc,
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messageId: "expectedDotAfterObject",
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*fix(fixer) {
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if (dotToken.value.startsWith(".") && utils.isDecimalIntegerNumericToken(tokenBeforeDot))
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yield fixer.insertTextAfter(tokenBeforeDot, ` ${dotToken.value}`);
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else
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yield fixer.insertTextAfter(tokenBeforeDot, dotToken.value);
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yield fixer.remove(dotToken);
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}
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});
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}
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} else if (!utils.isTokenOnSameLine(dotToken, property) && dotToken) {
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context.report({
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node,
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loc: dotToken.loc,
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messageId: "expectedDotBeforeProperty",
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*fix(fixer) {
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yield fixer.remove(dotToken);
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yield fixer.insertTextBefore(property, dotToken.value);
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}
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});
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}
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}
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function checkNode(node) {
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if (node.type === "MemberExpression" && !node.computed)
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checkDotLocation(node);
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}
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return {
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MemberExpression: checkNode
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};
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}
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});
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module.exports = dotLocation;
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