You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.8 KiB
JavaScript
48 lines
1.8 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
const utils_1 = require("../utils");
|
|
const ast_utils_1 = require("../utils/ast-utils");
|
|
exports.default = (0, utils_1.createRule)('valid-each-key', {
|
|
meta: {
|
|
docs: {
|
|
description: 'enforce keys to use variables defined in the `{#each}` block',
|
|
category: 'Best Practices',
|
|
recommended: false
|
|
},
|
|
schema: [],
|
|
messages: {
|
|
keyUseEachVars: 'Expected key to use the variables which are defined by the `{#each}` block.'
|
|
},
|
|
type: 'suggestion'
|
|
},
|
|
create(context) {
|
|
return {
|
|
SvelteEachBlock(node) {
|
|
if (node.key == null) {
|
|
return;
|
|
}
|
|
const scope = (0, ast_utils_1.getScope)(context, node.key);
|
|
for (const variable of scope.variables) {
|
|
if (!variable.defs.some((def) => (node.context.range[0] <= def.name.range[0] &&
|
|
def.name.range[1] <= node.context.range[1]) ||
|
|
(node.index &&
|
|
node.index.range[0] <= def.name.range[0] &&
|
|
def.name.range[1] <= node.index.range[1]))) {
|
|
continue;
|
|
}
|
|
for (const reference of variable.references) {
|
|
if (node.key.range[0] <= reference.identifier.range[0] &&
|
|
reference.identifier.range[1] <= node.key.range[1]) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
context.report({
|
|
node: node.key,
|
|
messageId: 'keyUseEachVars'
|
|
});
|
|
}
|
|
};
|
|
}
|
|
});
|