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Contents
/* eslint-env jest */
import getProp from '../src/getProp';
const nodeVersion = parseInt(process.version.match(/^v(\d+)\./)[1], 10);
export const fallbackToBabylon = nodeVersion < 6;
const parser = fallbackToBabylon ? require('babylon') : require('@babel/parser');
const defaultPlugins = ['jsx', 'functionBind', 'estree', 'objectRestSpread', 'optionalChaining'];
let plugins = [...defaultPlugins];
export function changePlugins(pluginOrFn) {
if (Array.isArray(pluginOrFn)) {
plugins = pluginOrFn;
} else if (typeof pluginOrFn === 'function') {
plugins = pluginOrFn(plugins);
} else {
throw new Error('changePlugins argument should be either an array or a function');
}
}
beforeEach(() => {
plugins = [...defaultPlugins];
});
function parse(code) {
return parser.parse(code, { plugins });
}
export function getOpeningElement(code) {
return parse(code).program.body[0].expression.openingElement;
}
export function extractProp(code, prop = 'foo') {
const node = getOpeningElement(code);
const { attributes: props } = node;
return getProp(props, prop);
}
Version data entries
25 entries across 25 versions & 1 rubygems