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81 lines
3.1 KiB
JavaScript
81 lines
3.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const utils_1 = require("../utils");
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const svelte_store_1 = require("./reference-helpers/svelte-store");
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exports.default = (0, utils_1.createRule)('derived-has-same-inputs-outputs', {
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meta: {
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docs: {
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description: 'derived store should use same variable names between values and callback',
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category: 'Stylistic Issues',
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recommended: false,
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conflictWithPrettier: false
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},
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schema: [],
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messages: {
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unexpected: "The argument name should be '{{name}}'."
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},
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type: 'suggestion'
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},
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create(context) {
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function isIdentifierOrArrayExpression(node) {
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return ['Identifier', 'ArrayExpression'].includes(node.type);
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}
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function isFunctionExpression(node) {
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return ['ArrowFunctionExpression', 'FunctionExpression'].includes(node.type);
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}
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function checkIdentifier(context, args, fn) {
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const fnParam = fn.params[0];
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if (fnParam.type !== 'Identifier')
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return;
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const expectedName = `$${args.name}`;
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if (expectedName !== fnParam.name) {
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context.report({
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node: fn,
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loc: fnParam.loc,
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messageId: 'unexpected',
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data: { name: expectedName }
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});
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}
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}
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function checkArrayExpression(context, args, fn) {
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const fnParam = fn.params[0];
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if (fnParam.type !== 'ArrayPattern')
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return;
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const argNames = args.elements.map((element) => {
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return element && element.type === 'Identifier' ? element.name : null;
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});
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fnParam.elements.forEach((element, index) => {
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const argName = argNames[index];
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if (element && element.type === 'Identifier' && argName) {
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const expectedName = `$${argName}`;
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if (expectedName !== element.name) {
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context.report({
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node: fn,
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loc: element.loc,
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messageId: 'unexpected',
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data: { name: expectedName }
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});
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}
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}
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});
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}
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return {
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Program() {
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for (const { node } of (0, svelte_store_1.extractStoreReferences)(context, ['derived'])) {
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const [args, fn] = node.arguments;
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if (!args || !isIdentifierOrArrayExpression(args))
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continue;
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if (!fn || !isFunctionExpression(fn))
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continue;
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if (!fn.params || fn.params.length === 0)
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continue;
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if (args.type === 'Identifier')
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checkIdentifier(context, args, fn);
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else
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checkArrayExpression(context, args, fn);
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}
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}
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};
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}
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});
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