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authorRyan Dahl <ry@tinyclouds.org>2019-10-09 17:10:09 -0400
committerRyan Dahl <ry@tinyclouds.org>2019-10-09 17:10:09 -0400
commit151ce0266eb4de2c8fc600c81c192a5f791b6169 (patch)
tree7cb04016a1c7ee88adde83814548d7a9409dcde3 /std/fs/write_json.ts
parenta355f7c807686918734416d91b79c26c21effba9 (diff)
Move everything into std subdir
Diffstat (limited to 'std/fs/write_json.ts')
-rw-r--r--std/fs/write_json.ts52
1 files changed, 52 insertions, 0 deletions
diff --git a/std/fs/write_json.ts b/std/fs/write_json.ts
new file mode 100644
index 000000000..c5936d3f8
--- /dev/null
+++ b/std/fs/write_json.ts
@@ -0,0 +1,52 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+/* eslint-disable @typescript-eslint/no-explicit-any */
+type Replacer = (key: string, value: any) => any;
+
+export interface WriteJsonOptions {
+ spaces?: number | string;
+ replacer?: Array<number | string> | Replacer;
+}
+
+/* Writes an object to a JSON file. */
+export async function writeJson(
+ filePath: string,
+ object: any,
+ options: WriteJsonOptions = {}
+): Promise<void> {
+ let contentRaw = "";
+
+ try {
+ contentRaw = JSON.stringify(
+ object,
+ options.replacer as string[],
+ options.spaces
+ );
+ } catch (err) {
+ err.message = `${filePath}: ${err.message}`;
+ throw err;
+ }
+
+ await Deno.writeFile(filePath, new TextEncoder().encode(contentRaw));
+}
+
+/* Writes an object to a JSON file. */
+export function writeJsonSync(
+ filePath: string,
+ object: any,
+ options: WriteJsonOptions = {}
+): void {
+ let contentRaw = "";
+
+ try {
+ contentRaw = JSON.stringify(
+ object,
+ options.replacer as string[],
+ options.spaces
+ );
+ } catch (err) {
+ err.message = `${filePath}: ${err.message}`;
+ throw err;
+ }
+
+ Deno.writeFileSync(filePath, new TextEncoder().encode(contentRaw));
+}