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BREAKING(std/fs): remove readJson and readJsonSync (#7255)

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Casper Beyer 2020-09-08 00:04:29 +08:00 • committed by GitHub
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11
std/fs/README.md
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@ -118,17 +118,6 @@ copySync("./foo", "./existingFolder", { overwrite: true });
// Will overwrite existingFolder // Will overwrite existingFolder
``` ```
### readJson
Reads a JSON file and then parses it into an object
```ts
import { readJson, readJsonSync } from "https://deno.land/std/fs/mod.ts";
const f = await readJson("./foo.json");
const foo = readJsonSync("./foo.json");
```
### writeJson ### writeJson
Writes an object to a JSON file. Writes an object to a JSON file.

1
std/fs/mod.ts
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@ -8,7 +8,6 @@ export * from "./exists.ts";
export * from "./expand_glob.ts"; export * from "./expand_glob.ts";
export * from "./move.ts"; export * from "./move.ts";
export * from "./copy.ts"; export * from "./copy.ts";
export * from "./read_json.ts";
export * from "./write_json.ts"; export * from "./write_json.ts";
export * from "./walk.ts"; export * from "./walk.ts";
export * from "./eol.ts"; export * from "./eol.ts";

29
std/fs/read_json.ts
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@ -1,29 +0,0 @@
// Copyright 2018-2020 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;
}
}

110
std/fs/read_json_test.ts
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@ -1,110 +0,0 @@
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import {
assertEquals,
assertThrowsAsync,
assertThrows,
} from "../testing/asserts.ts";
import * as path from "../path/mod.ts";
import { readJson, readJsonSync } from "./read_json.ts";
const testdataDir = path.resolve("fs", "testdata");
Deno.test("readJsonFileNotExists", async function (): Promise<void> {
const emptyJsonFile = path.join(testdataDir, "json_not_exists.json");
await assertThrowsAsync(
async (): Promise<void> => {
await readJson(emptyJsonFile);
},
);
});
Deno.test("readEmptyJsonFile", async function (): Promise<void> {
const emptyJsonFile = path.join(testdataDir, "json_empty.json");
await assertThrowsAsync(
async (): Promise<void> => {
await readJson(emptyJsonFile);
},
);
});
Deno.test("readInvalidJsonFile", async function (): Promise<void> {
const invalidJsonFile = path.join(testdataDir, "json_invalid.json");
await assertThrowsAsync(
async (): Promise<void> => {
await readJson(invalidJsonFile);
},
);
});
Deno.test("readValidArrayJsonFile", async function (): Promise<void> {
const invalidJsonFile = path.join(testdataDir, "json_valid_array.json");
const json = await readJson(invalidJsonFile);
assertEquals(json, ["1", "2", "3"]);
});
Deno.test("readValidObjJsonFile", async function (): Promise<void> {
const invalidJsonFile = path.join(testdataDir, "json_valid_obj.json");
const json = await readJson(invalidJsonFile);
assertEquals(json, { key1: "value1", key2: "value2" });
});
Deno.test("readValidObjJsonFileWithRelativePath", async function (): Promise<
void
> {
const json = await readJson("./fs/testdata/json_valid_obj.json");
assertEquals(json, { key1: "value1", key2: "value2" });
});
Deno.test("readJsonFileNotExistsSync", function (): void {
const emptyJsonFile = path.join(testdataDir, "json_not_exists.json");
assertThrows((): void => {
readJsonSync(emptyJsonFile);
});
});
Deno.test("readEmptyJsonFileSync", function (): void {
const emptyJsonFile = path.join(testdataDir, "json_empty.json");
assertThrows((): void => {
readJsonSync(emptyJsonFile);
});
});
Deno.test("readInvalidJsonFile", function (): void {
const invalidJsonFile = path.join(testdataDir, "json_invalid.json");
assertThrows((): void => {
readJsonSync(invalidJsonFile);
});
});
Deno.test("readValidArrayJsonFileSync", function (): void {
const invalidJsonFile = path.join(testdataDir, "json_valid_array.json");
const json = readJsonSync(invalidJsonFile);
assertEquals(json, ["1", "2", "3"]);
});
Deno.test("readValidObjJsonFileSync", function (): void {
const invalidJsonFile = path.join(testdataDir, "json_valid_obj.json");
const json = readJsonSync(invalidJsonFile);
assertEquals(json, { key1: "value1", key2: "value2" });
});
Deno.test("readValidObjJsonFileSyncWithRelativePath", function (): void {
const json = readJsonSync("./fs/testdata/json_valid_obj.json");
assertEquals(json, { key1: "value1", key2: "value2" });
});