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author | Ryan Dahl <ry@tinyclouds.org> | 2019-10-09 17:18:08 -0400 |
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committer | Ryan Dahl <ry@tinyclouds.org> | 2019-10-09 17:18:08 -0400 |
commit | 28293acd9c12a94f5d769706291032e844c7b92b (patch) | |
tree | 1fec6a3cd8d7c9e8bc9b1486f5c8438eb906a595 /std/fs/read_json.ts | |
parent | 5c6835efd82c298df99ce71c4a36ca23515333a3 (diff) | |
parent | 151ce0266eb4de2c8fc600c81c192a5f791b6169 (diff) |
Merge branch 'std_modified' into merge_std3
Diffstat (limited to 'std/fs/read_json.ts')
-rw-r--r-- | std/fs/read_json.ts | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/std/fs/read_json.ts b/std/fs/read_json.ts new file mode 100644 index 000000000..ca5928afe --- /dev/null +++ b/std/fs/read_json.ts @@ -0,0 +1,29 @@ +// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license. + +/** Reads a JSON file and then parses it into an object */ +export async function readJson(filePath: string): Promise<unknown> { + const decoder = new TextDecoder("utf-8"); + + const content = decoder.decode(await Deno.readFile(filePath)); + + try { + return JSON.parse(content); + } catch (err) { + err.message = `${filePath}: ${err.message}`; + throw err; + } +} + +/** Reads a JSON file and then parses it into an object */ +export function readJsonSync(filePath: string): unknown { + const decoder = new TextDecoder("utf-8"); + + const content = decoder.decode(Deno.readFileSync(filePath)); + + try { + return JSON.parse(content); + } catch (err) { + err.message = `${filePath}: ${err.message}`; + throw err; + } +} |