82 lines
1.9 KiB
JavaScript
82 lines
1.9 KiB
JavaScript
//
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'use strict';
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const os = require('os');
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const createExplorer = require('./createExplorer');
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const loaders = require('./loaders');
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module.exports = cosmiconfig;
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function cosmiconfig(
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moduleName ,
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options
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) {
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options = options || {};
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const defaults = {
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packageProp: moduleName,
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searchPlaces: [
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'package.json',
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`.${moduleName}rc`,
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`.${moduleName}rc.json`,
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`.${moduleName}rc.yaml`,
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`.${moduleName}rc.yml`,
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`.${moduleName}rc.js`,
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`${moduleName}.config.js`,
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],
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ignoreEmptySearchPlaces: true,
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stopDir: os.homedir(),
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cache: true,
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transform: identity,
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};
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const normalizedOptions = Object.assign(
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{},
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defaults,
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options,
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{
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loaders: normalizeLoaders(options.loaders),
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}
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);
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return createExplorer(normalizedOptions);
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}
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cosmiconfig.loadJs = loaders.loadJs;
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cosmiconfig.loadJson = loaders.loadJson;
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cosmiconfig.loadYaml = loaders.loadYaml;
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function normalizeLoaders(rawLoaders ) {
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const defaults = {
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'.js': { sync: loaders.loadJs, async: loaders.loadJs },
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'.json': { sync: loaders.loadJson, async: loaders.loadJson },
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'.yaml': { sync: loaders.loadYaml, async: loaders.loadYaml },
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'.yml': { sync: loaders.loadYaml, async: loaders.loadYaml },
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noExt: { sync: loaders.loadYaml, async: loaders.loadYaml },
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};
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if (!rawLoaders) {
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return defaults;
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}
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return Object.keys(rawLoaders).reduce((result, ext) => {
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const entry = rawLoaders && rawLoaders[ext];
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if (typeof entry === 'function') {
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result[ext] = { sync: entry, async: entry };
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} else {
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result[ext] = entry;
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}
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return result;
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}, defaults);
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}
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function identity(x) {
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return x;
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}
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