47 lines
1.0 KiB
JavaScript
47 lines
1.0 KiB
JavaScript
'use strict';
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const {isMethodCall} = require('./ast/index.js');
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const MESSAGE_ID = 'error';
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const messages = {
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[MESSAGE_ID]: 'Prefer `Blob#{{replacement}}()` over `FileReader#{{method}}(blob)`.',
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};
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/** @param {import('eslint').Rule.RuleContext} context */
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const create = () => ({
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CallExpression(node) {
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if (!isMethodCall(node, {
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methods: ['readAsText', 'readAsArrayBuffer'],
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argumentsLength: 1,
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optionalCall: false,
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optionalMember: false,
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})) {
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return;
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}
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const method = node.callee.property;
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const methodName = method.name;
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return {
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node: method,
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messageId: MESSAGE_ID,
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data: {
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method: methodName,
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replacement: methodName === 'readAsArrayBuffer' ? 'arrayBuffer' : 'text',
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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: 'suggestion',
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docs: {
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description: 'Prefer `Blob#arrayBuffer()` over `FileReader#readAsArrayBuffer(…)` and `Blob#text()` over `FileReader#readAsText(…)`.',
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recommended: true,
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},
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messages,
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},
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};
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