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author | Florian Dold <florian.dold@gmail.com> | 2017-05-24 15:10:37 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-24 15:11:17 +0200 |
commit | 7a3df06eb573d36142bd1a8e03c5ce8752d300b3 (patch) | |
tree | 70bfaea8884c374876f607774850a3a51c0cb381 /node_modules/fs-extra/docs/readJson.md | |
parent | aca1143cb9eed16cf37f04e475e4257418dd18ac (diff) |
fix build issues and add typedoc
Diffstat (limited to 'node_modules/fs-extra/docs/readJson.md')
-rw-r--r-- | node_modules/fs-extra/docs/readJson.md | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/node_modules/fs-extra/docs/readJson.md b/node_modules/fs-extra/docs/readJson.md new file mode 100644 index 000000000..6edc329d5 --- /dev/null +++ b/node_modules/fs-extra/docs/readJson.md @@ -0,0 +1,58 @@ +# readJson(file, [options, callback]) + +Reads a JSON file and then parses it into an object. `options` are the same +that you'd pass to [`jsonFile.readFile`](https://github.com/jprichardson/node-jsonfile#readfilefilename-options-callback). + +**Alias:** `readJSON()` + +- `file` `<String>` +- `options` `<Object>` +- `callback` `<Function>` + +## Example: + +```js +const fs = require('fs-extra') + +fs.readJson('./package.json', (err, packageObj) => { + if (err) console.error(err) + + console.log(packageObj.version) // => 0.1.3 +}) + +// Promise Usage +fs.readJson('./package.json') +.then(packageObj => { + console.log(packageObj.version) // => 0.1.3 +}) +.catch(err => { + console.error(err) +}) +``` + +--- + +`readJson()` can take a `throws` option set to `false` and it won't throw if the JSON is invalid. Example: + +```js +const fs = require('fs-extra') + +const file = '/tmp/some-invalid.json' +const data = '{not valid JSON' +fs.writeFileSync(file, data) + +fs.readJson(file, { throws: false }, (err, obj) => { + if (err) console.error(err) + + console.log(obj) // => null +}) + +// Promise Usage +fs.readJson(file, { throws: false }) +.then(obj => { + console.log(obj) // => null +}) +.catch(err => { + console.error(err) // Not called +}) +``` |