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Add renaming with pipe symbol.
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@tugcanolgun
tugcanolgun committed Mar 8, 2021
1 parent f71162e commit 3b2675c
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24 changes: 18 additions & 6 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,19 @@ or

## Usage

**Schema:**
**Import**

`import MudParser from 'mud-parser';`

or

`const MudParser = require('mud-parser');`

**Usage**

`const result = MudParser(schema, response.data);`

**Schema example:**

```js
{
Expand All @@ -27,20 +39,20 @@ or
parsers: [
{ key: "title", value: "data.movies.0.title" },
{ key: "imdbId", value: "data.movies.0.imdb_code" },
{ key: "realName", value: "data.movies.0.cast.0.full_name" },
{ key: "characterName", value: "data.movies.0.cast.0.character" },
{ key: "realName", value: "data.movies.0.cast|castMembers.0.full_name" },
{ key: "characterName", value: "data.movies.0.cast|castMembers.0.character" },
],
}
```

**Outcome:**
**Output:**

```js
[
{
title: '12 Angry Men',
imdbId: 'tt0050083',
cast: [
castMembers: [
{
realName: 'Martin Balsam',
characterName: 'Juror 1'
Expand All @@ -55,7 +67,7 @@ or
{
title: 'Limelight',
imdbId: 'tt0044837',
cast: [
castMembers: [
{
realName: 'Charles Chaplin',
characterName: 'Calvero'
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4 changes: 2 additions & 2 deletions package.json
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@@ -1,7 +1,7 @@
{
"name": "mud-parser",
"version": "0.1.1",
"description": "A simple JSON parser.",
"version": "0.2.0",
"description": "Unify JSON with schemas.",
"main": "index.js",
"scripts": {
"test": "mocha test/"
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56 changes: 43 additions & 13 deletions src/MudParser.js
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Original file line number Diff line number Diff line change
@@ -1,9 +1,12 @@
const Iterator = require("./Iterator");
const { getFromObject, createObject } = require("./ObjectUtils");

let replace = {};

const MudParser = (schema, data) => {
if (data === undefined) return null;
checkSchema(schema);
replace = {};
let hierarchy = ResultHierarchy(schema.parsers, data);
let result = [];
Object.keys(hierarchy).map((h) => result.push(hierarchy[h]));
Expand Down Expand Up @@ -53,18 +56,45 @@ const getIndexes = (str) => {
whileStop++;
if (whileStop >= 15) break;

indexes.push(match.index);
indexes.push(match);
}
return indexes;
};

const saveReplace = (key, replaceValue, index) => {
replace[key] = { replace: replaceValue, index };
};

const getReplace = (str, index) => {
for (let keyName in replace) {
if (str.includes(keyName) && index === replace[keyName].index) {
return str.replace(keyName, replace[keyName].replace);
}
}

return str;
};

const checkAndGetReplace = (str, index) => {
const re = /\|/;
let match = re.exec(str);
if (match !== null) {
let main = str.substring(0, match.index);
let replace = str.substring(match.index + 1);
saveReplace(main, replace, index);
return main;
}
return str;
};

const getNonArrays = (str) => {
const indexes = getIndexes(str);
let res = [];
let counter = 0;
indexes.map((index) => {
res.push(str.substring(counter, index));
counter = index + 3;
indexes.map((match, index) => {
let path = str.substring(counter, match.index);
res.push(checkAndGetReplace(path, index));
counter = match.index + match[0].length;
});
let last = str.substring(counter);
if (last !== "") res.push(last);
Expand Down Expand Up @@ -123,20 +153,20 @@ const ResultHierarchy = (schema, data) => {
let result = {};
let _ = schema.map((sch) => {
const schemaRes = getSchema(sch, data);
schemaRes.map((sch) => {
let objStringArr = [];
let indexes = getLastIndexes(sch.path);
schemaRes.map((schR) => {
let objStringArrReplaced = [];
let indexes = getLastIndexes(schR.path);
let initIndex = 0;
indexes.map((index) => {
let keyString = sch.path.substring(initIndex, index);
indexes.map((index, ii) => {
let keyString = schR.path.substring(initIndex, index);
keyString = keyString.replaceAll(".", "");
keyString += "__";
objStringArr.push(keyString);
objStringArrReplaced.push(getReplace(keyString, ii));
initIndex = index;
});
createObject(result, objStringArr.join("."));
let lastObj = getFromObject(objStringArr.join("."), result);
lastObj[sch.key] = sch.value;
createObject(result, objStringArrReplaced.join("."));
let lastObj = getFromObject(objStringArrReplaced.join("."), result);
lastObj[schR.key] = schR.value;
});
});
return result;
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65 changes: 50 additions & 15 deletions test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,21 +7,21 @@ const currencyApi = require("./json/currencyApi.json");
const MudParser = require("../src/MudParser");

describe("Test MudParser with movie api", () => {
const schema = {
version: 1,
parsers: [
{ key: "title", value: "data.movies.0.title" },
{ key: "imdbId", value: "data.movies.0.imdb_code" },
{ key: "image", value: "data.movies.0.small_cover_image" },
{ key: "source", value: "data.movies.0.trailers.0.url" },
{ key: "quality", value: "data.movies.0.trailers.0.quality" },
{ key: "seeds", value: "data.movies.0.trailers.0.seeds" },
{ key: "size", value: "data.movies.0.trailers.0.size" },
{ key: "type", value: "data.movies.0.trailers.0.type" },
],
};

it("test parsing movieApi", () => {
const schema = {
version: 1,
parsers: [
{ key: "title", value: "data.movies.0.title" },
{ key: "imdbId", value: "data.movies.0.imdb_code" },
{ key: "image", value: "data.movies.0.small_cover_image" },
{ key: "source", value: "data.movies.0.trailers.0.url" },
{ key: "quality", value: "data.movies.0.trailers.0.quality" },
{ key: "seeds", value: "data.movies.0.trailers.0.seeds" },
{ key: "size", value: "data.movies.0.trailers.0.size" },
{ key: "type", value: "data.movies.0.trailers.0.type" },
],
};

const result = MudParser(schema, movieApi);
assert(result.length === 2, result.length);
for (let i = 0; i < 2; i++) {
Expand All @@ -44,6 +44,42 @@ describe("Test MudParser with movie api", () => {
});
}
});

it("test parsing movieApi with renaming middle object", () => {
const schema = {
version: 1,
parsers: [
{ key: "title", value: "data.movies.0.title" },
{ key: "imdbId", value: "data.movies.0.imdb_code" },
{ key: "image", value: "data.movies.0.small_cover_image" },
{ key: "source", value: "data.movies.0.trailers|sources.0.url" },
{ key: "quality", value: "data.movies.0.trailers|sources.0.quality" },
{ key: "seeds", value: "data.movies.0.trailers|sources.0.seeds" },
{ key: "size", value: "data.movies.0.trailers|sources.0.size" },
{ key: "type", value: "data.movies.0.trailers|sources.0.type" },
],
};

const result = MudParser(schema, movieApi);
assert(result.length === 2, result.length);
for (let i = 0; i < 2; i++) {
assert(result[i].title === movieApi.data.movies[i].title);
assert(result[i].imdbId === movieApi.data.movies[i].imdb_code);
assert(result[i].image === movieApi.data.movies[i].small_cover_image);
assert(
result[i].sources.length === movieApi.data.movies[i].trailers.length,
);
result[i].sources.map((source, tIndex) => {
assert(source.source === movieApi.data.movies[i].trailers[tIndex].url);
assert(
source.quality === movieApi.data.movies[i].trailers[tIndex].quality,
);
assert(source.seeds === movieApi.data.movies[i].trailers[tIndex].seeds);
assert(source.size === movieApi.data.movies[i].trailers[tIndex].size);
assert(source.type === movieApi.data.movies[i].trailers[tIndex].type);
});
}
});
});

describe("Test MudParser with movie api 2", () => {
Expand All @@ -63,7 +99,6 @@ describe("Test MudParser with movie api 2", () => {

it("test parsing movieApi", () => {
const result = MudParser(schema, movieApi2);
console.log(result);
assert(result.length === 2, result.length);
for (let i = 0; i < 2; i++) {
assert(result[i].title === movieApi2[i].title);
Expand Down

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