63 lines
1.6 KiB
JavaScript
63 lines
1.6 KiB
JavaScript
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'use strict';
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const {methodCallSelector} = require('./selectors/index.js');
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const {appendArgument} = require('./fix/index.js');
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const ERROR = 'error';
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const SUGGESTION = 'suggestion';
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const messages = {
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[ERROR]: 'Missing the `targetOrigin` argument.',
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[SUGGESTION]: 'Use `{{code}}`.',
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};
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/** @param {import('eslint').Rule.RuleContext} context */
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function create(context) {
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const sourceCode = context.getSourceCode();
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return {
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[methodCallSelector({method: 'postMessage', argumentsLength: 1})](node) {
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const [penultimateToken, lastToken] = sourceCode.getLastTokens(node, 2);
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const replacements = [];
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const target = node.callee.object;
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if (target.type === 'Identifier') {
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const {name} = target;
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replacements.push(`${name}.location.origin`);
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if (name !== 'self' && name !== 'window' && name !== 'globalThis') {
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replacements.push('self.location.origin');
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}
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} else {
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replacements.push('self.location.origin');
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}
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replacements.push('\'*\'');
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return {
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loc: {
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start: penultimateToken.loc.end,
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end: lastToken.loc.end,
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},
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messageId: ERROR,
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suggest: replacements.map(code => ({
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messageId: SUGGESTION,
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data: {code},
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/** @param {import('eslint').Rule.RuleFixer} fixer */
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fix: fixer => appendArgument(fixer, node, code, sourceCode),
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})),
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};
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},
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};
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}
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/** @type {import('eslint').Rule.RuleModule} */
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module.exports = {
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create,
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meta: {
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type: 'problem',
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docs: {
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description: 'Enforce using the `targetOrigin` argument with `window.postMessage()`.',
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},
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hasSuggestions: true,
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messages,
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},
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};
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