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| 1 | +const { builtinRules } = require('eslint/use-at-your-own-risk'); |
| 2 | + |
| 3 | +const baseRule = builtinRules.get('indent'); |
| 4 | +const IGNORED_ELEMENTS = new Set(['pre', 'script', 'style', 'textarea']); |
| 5 | + |
| 6 | +const schema = baseRule.meta.schema.map((s) => ({ ...s })); |
| 7 | +schema[1].properties = { |
| 8 | + ignoredNodes: schema[1].properties.ignoredNodes, |
| 9 | + ignoreComments: schema[1].properties.ignoreComments, |
| 10 | +}; |
| 11 | + |
| 12 | +/** @type {import('eslint').Rule.RuleModule} */ |
| 13 | +module.exports = { |
| 14 | + name: 'indent', |
| 15 | + meta: { |
| 16 | + type: 'layout', |
| 17 | + docs: { |
| 18 | + description: 'enforce consistent indentation for gts/gjs templates', |
| 19 | + // too opinionated to be recommended |
| 20 | + recommended: false, |
| 21 | + category: 'Ember Octane', |
| 22 | + url: 'https://github.com/ember-cli/eslint-plugin-ember/tree/master/docs/rules/template-indent.md', |
| 23 | + }, |
| 24 | + fixable: 'whitespace', |
| 25 | + hasSuggestions: baseRule.meta.hasSuggestions, |
| 26 | + schema, |
| 27 | + messages: baseRule.meta.messages, |
| 28 | + }, |
| 29 | + |
| 30 | + create: (context) => { |
| 31 | + const ctx = Object.create(context, { |
| 32 | + report: { |
| 33 | + writable: false, |
| 34 | + configurable: false, |
| 35 | + value: (info) => { |
| 36 | + const node = context.sourceCode.getNodeByRangeIndex(info.node.range[0]); |
| 37 | + if (!node.type.startsWith('Glimmer')) { |
| 38 | + return; |
| 39 | + } |
| 40 | + context.report(info); |
| 41 | + }, |
| 42 | + }, |
| 43 | + }); |
| 44 | + const rules = baseRule.create(ctx); |
| 45 | + const sourceCode = context.sourceCode; |
| 46 | + |
| 47 | + function JSXElement(node) { |
| 48 | + let closingElement; |
| 49 | + let openingElement; |
| 50 | + if (node.type === 'GlimmerElementNode') { |
| 51 | + const tokens = sourceCode.getTokens(node); |
| 52 | + const openEnd = tokens.find((t) => t.value === '>'); |
| 53 | + const closeStart = tokens.findLast((t) => t.value === '<'); |
| 54 | + if (!node.selfClosing) { |
| 55 | + closingElement = { |
| 56 | + type: 'JSXClosingElement', |
| 57 | + parent: node, |
| 58 | + range: [closeStart.range[0], node.range[1]], |
| 59 | + loc: { |
| 60 | + start: Object.assign({}, node.loc.start), |
| 61 | + end: Object.assign({}, node.loc.end), |
| 62 | + }, |
| 63 | + }; |
| 64 | + closingElement.loc.start = sourceCode.getLocFromIndex(closeStart.range[0]); |
| 65 | + closingElement.name = { ...closingElement, type: 'JSXIdentifier' }; |
| 66 | + closingElement.name.range = [ |
| 67 | + closingElement.name.range[0] + 1, |
| 68 | + closingElement.name.range[1] - 1, |
| 69 | + ]; |
| 70 | + } |
| 71 | + |
| 72 | + openingElement = { |
| 73 | + type: 'JSXOpeningElement', |
| 74 | + selfClosing: node.selfClosing, |
| 75 | + attributes: node.attributes, |
| 76 | + parent: node, |
| 77 | + range: [node.range[0], openEnd.range[1]], |
| 78 | + loc: { |
| 79 | + start: Object.assign({}, node.loc.start), |
| 80 | + end: Object.assign({}, node.loc.end), |
| 81 | + }, |
| 82 | + }; |
| 83 | + openingElement.loc.end = sourceCode.getLocFromIndex(openEnd.range[1]); |
| 84 | + openingElement.name = { ...openingElement, type: 'JSXIdentifier' }; |
| 85 | + openingElement.name.range = [ |
| 86 | + openingElement.name.range[0] + 1, |
| 87 | + openingElement.name.range[1] - 1, |
| 88 | + ]; |
| 89 | + } |
| 90 | + if (node.type === 'GlimmerBlockStatement') { |
| 91 | + const tokens = sourceCode.getTokens(node); |
| 92 | + let openEndIdx = tokens.findIndex((t) => t.value === '}'); |
| 93 | + while (tokens[openEndIdx + 1].value === '}') { |
| 94 | + openEndIdx += 1; |
| 95 | + } |
| 96 | + const openEnd = tokens[openEndIdx]; |
| 97 | + let closeStartIdx = tokens.findLastIndex((t) => t.value === '{'); |
| 98 | + while (tokens[closeStartIdx - 1].value === '{') { |
| 99 | + closeStartIdx -= 1; |
| 100 | + } |
| 101 | + const closeStart = tokens[closeStartIdx]; |
| 102 | + closingElement = { |
| 103 | + type: 'JSXClosingElement', |
| 104 | + parent: node, |
| 105 | + range: [closeStart.range[0], node.range[1]], |
| 106 | + loc: { |
| 107 | + start: Object.assign({}, node.loc.start), |
| 108 | + end: Object.assign({}, node.loc.end), |
| 109 | + }, |
| 110 | + }; |
| 111 | + closingElement.loc.start = sourceCode.getLocFromIndex(closeStart.range[0]); |
| 112 | + |
| 113 | + openingElement = { |
| 114 | + type: 'JSXOpeningElement', |
| 115 | + attributes: node.params, |
| 116 | + parent: node, |
| 117 | + range: [node.range[0], openEnd.range[1]], |
| 118 | + loc: { |
| 119 | + start: Object.assign({}, node.loc.start), |
| 120 | + end: Object.assign({}, node.loc.end), |
| 121 | + }, |
| 122 | + }; |
| 123 | + openingElement.loc.end = sourceCode.getLocFromIndex(openEnd.range[1]); |
| 124 | + } |
| 125 | + return { |
| 126 | + type: 'JSXElement', |
| 127 | + openingElement, |
| 128 | + closingElement, |
| 129 | + children: node.children || node.body, |
| 130 | + parent: node.parent, |
| 131 | + range: node.range, |
| 132 | + loc: node.loc, |
| 133 | + }; |
| 134 | + } |
| 135 | + |
| 136 | + const ignoredStack = new Set(); |
| 137 | + |
| 138 | + return Object.assign({}, rules, { |
| 139 | + // overwrite the base rule here so we can use our KNOWN_NODES list instead |
| 140 | + '*:exit'(node) { |
| 141 | + // For nodes we care about, skip the default handling, because it just marks the node as ignored... |
| 142 | + if ( |
| 143 | + !node.type.startsWith('Glimmer') || |
| 144 | + (ignoredStack.size > 0 && !ignoredStack.has(node)) |
| 145 | + ) { |
| 146 | + rules['*:exit'](node); |
| 147 | + } |
| 148 | + if (ignoredStack.has(node)) { |
| 149 | + ignoredStack.delete(node); |
| 150 | + } |
| 151 | + }, |
| 152 | + 'GlimmerTemplate:exit'(node) { |
| 153 | + if (!node.parent) { |
| 154 | + rules['Program:exit'](node); |
| 155 | + } |
| 156 | + }, |
| 157 | + GlimmerElementNode(node) { |
| 158 | + if (ignoredStack.size > 0) { |
| 159 | + return; |
| 160 | + } |
| 161 | + if (IGNORED_ELEMENTS.has(node.tag)) { |
| 162 | + ignoredStack.add(node); |
| 163 | + } |
| 164 | + const jsx = JSXElement(node); |
| 165 | + rules['JSXElement'](jsx); |
| 166 | + rules['JSXOpeningElement'](jsx.openingElement); |
| 167 | + if (jsx.closingElement) { |
| 168 | + rules['JSXClosingElement'](jsx.closingElement); |
| 169 | + } |
| 170 | + }, |
| 171 | + GlimmerAttrNode(node) { |
| 172 | + if (ignoredStack.size > 0 || !node.value) { |
| 173 | + return; |
| 174 | + } |
| 175 | + rules['JSXAttribute[value]']({ |
| 176 | + ...node, |
| 177 | + type: 'JSXAttribute', |
| 178 | + name: { |
| 179 | + type: 'JSXIdentifier', |
| 180 | + name: node.name, |
| 181 | + range: [node.range[0], node.range[0] + node.name.length - 1], |
| 182 | + }, |
| 183 | + }); |
| 184 | + }, |
| 185 | + GlimmerTemplate(node) { |
| 186 | + if (!node.parent) { |
| 187 | + return; |
| 188 | + } |
| 189 | + const jsx = JSXElement({ ...node, tag: 'template', type: 'GlimmerElementNode' }); |
| 190 | + rules['JSXElement'](jsx); |
| 191 | + }, |
| 192 | + GlimmerBlockStatement(node) { |
| 193 | + const body = [...node.program.body, ...(node.inverse?.body || [])]; |
| 194 | + rules['JSXElement'](JSXElement({ ...node, body })); |
| 195 | + }, |
| 196 | + }); |
| 197 | + }, |
| 198 | +}; |
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