63 lines
1.4 KiB
JavaScript
63 lines
1.4 KiB
JavaScript
'use strict';
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const getDocumentationUrl = require('./utils/get-documentation-url');
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const isValidVariableName = require('./utils/is-valid-variable-name');
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const quoteString = require('./utils/quote-string');
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const methodSelector = require('./utils/method-selector');
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const selector = [
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methodSelector({
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name: 'setAttribute',
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length: 2
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}),
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'[arguments.0.type="Literal"]'
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].join('');
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const parseNodeText = (context, argument) => context.getSourceCode().getText(argument);
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const dashToCamelCase = string => string.replace(/-[a-z]/g, s => s[1].toUpperCase());
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const fix = (context, node, fixer) => {
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let [name, value] = node.arguments;
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const calleeObject = parseNodeText(context, node.callee.object);
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name = dashToCamelCase(name.value.slice(5));
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value = parseNodeText(context, value);
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const replacement = `${calleeObject}.dataset${
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isValidVariableName(name) ?
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`.${name}` :
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`[${quoteString(name)}]`
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} = ${value}`;
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return fixer.replaceText(node, replacement);
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};
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const create = context => {
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return {
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[selector](node) {
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const name = node.arguments[0].value;
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if (typeof name !== 'string' || !name.startsWith('data-') || name === 'data-') {
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return;
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}
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context.report({
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node,
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message: 'Prefer `.dataset` over `setAttribute(…)`.',
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fix: fixer => fix(context, node, fixer)
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});
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}
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};
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};
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module.exports = {
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create,
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meta: {
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type: 'suggestion',
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docs: {
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url: getDocumentationUrl(__filename)
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},
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fixable: 'code'
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}
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};
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