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https://github.com/fluencelabs/jsonpath
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update wasm README.md, nodejs README.md. restore nodejs build
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freestrings
197
nodejs/README.md
197
nodejs/README.md
@ -16,13 +16,15 @@ Build from source instead of using pre-built binary, and if Rust is not installe
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## APIs
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* [jsonpath.Selector](#jsonpathselector)
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* [jsonpath.select(json: string|object, jsonpath: string)](#jsonpathselectjson-stringobject-jsonpath-string)
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* [jsonpath.compile(jsonpath: string)](#jsonpathcompilejsonpath-string)
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* [jsonpath.selector(json: string|object)](#jsonpathselectorjson-stringobject)
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* [Other Examples](https://github.com/freestrings/jsonpath/wiki/Javascript-examples)
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<details><summary><b>npm package</b></summary>
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### jsonpath.Selector
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```javascript
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const jsonpath = require('jsonpath-rs');
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```
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</details>
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<details><summary><b>Javascript - jsonpath.Selector class</b></summary>
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```javascript
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let jsonObj = {
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@ -38,44 +40,89 @@ let jsonObj = {
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]
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};
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let selector = new jsonpath.Selector().value(jsonObj);
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let ret = [
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{"name": "친구3", "age": 30},
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{"name": "친구1", "age": 20}
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];
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let selector = new jsonpath.Selector()
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.path('$..friends[0]')
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.value(jsonObj);
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let retObj = selector.select();
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console.log(JSON.stringify(ret) == JSON.stringify(retObj));
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// => true
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```
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</details>
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<details><summary><b>Javascript - jsonpath.SelectorMut class</b></summary>
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빌더 패턴 제약은 `Selector class`와 동일하다.
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```javascript
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let jsonObj = {
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'school': {
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'friends': [
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{'name': '친구1', 'age': 20},
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{'name': '친구2', 'age': 20},
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],
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},
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'friends': [
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{'name': '친구3', 'age': 30},
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{'name': '친구4'},
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],
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};
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let selector = new jsonpath.SelectorMut();
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selector.path('$..[?(@.age == 20)]');
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{
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let jsonObj = selector.path('$..[?(@.age >= 30)]').selectAs();
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let resultObj = [{"name": "친구3", "age": 30}];
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console.log(JSON.stringify(jsonObj) === JSON.stringify(resultObj));
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selector.value(jsonObj);
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selector.deleteValue();
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let resultObj = {
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'school': {'friends': [null, null]},
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'friends': [
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{'name': '친구3', 'age': 30},
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{'name': '친구4'},
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],
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};
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console.log(JSON.stringify(selector.take()) !== JSON.stringify(resultObj));
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// => true
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}
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{
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let jsonObj = selector.path('$..[?(@.age == 20)]').selectAs();
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let resultObj = [{"name": "친구1", "age": 20}, {"name": "친구2", "age": 20}];
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console.log(JSON.stringify(jsonObj) === JSON.stringify(resultObj));
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}
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{
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let jsonObj = selector.value({"friends": [ {"name": "친구5", "age": 20} ]}).selectAs();
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let resultObj = [{"name": "친구5", "age": 20}];
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console.log(JSON.stringify(jsonObj) === JSON.stringify(resultObj));
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}
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{
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let jsonObj1 = selector.value(jsonObj).map(function(v) {
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let f1 = v[0];
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f1.age = 30;
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selector.value(jsonObj);
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selector.replaceWith((v) => {
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v.age = v.age * 2;
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return v;
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}).get();
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});
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let resultObj1 = [{"name": "친구1", "age": 30}, {"name": "친구2", "age": 20}];
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console.log(JSON.stringify(jsonObj1) === JSON.stringify(resultObj1));
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selector.path('$..[?(@.age == 20)]');
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let jsonObj2 = selector.selectAs();
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let resultObj2 = [{"name": "친구2", "age": 20}];
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console.log(JSON.stringify(jsonObj2) === JSON.stringify(resultObj2));
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let resultObj = {
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'school': {
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'friends': [
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{'name': '친구1', 'age': 40},
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{'name': '친구2', 'age': 40},
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],
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},
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'friends': [
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{'name': '친구3', 'age': 30},
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{'name': '친구4'},
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],
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};
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console.log(JSON.stringify(selector.take()) !== JSON.stringify(resultObj));
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// => true
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}
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```
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### jsonpath.select(json: string|object, jsonpath: string)
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</details>
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<details><summary><b>Javascript - jsonpath.select(json: string|object, jsonpath: string)</b></summary>
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```javascript
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let jsonObj = {
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@ -108,7 +155,9 @@ console.log(
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// => true, true
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```
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### jsonpath.compile(jsonpath: string)
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</details>
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<details><summary><b>Javascript - jsonpath.compile(jsonpath: string)</b></summary>
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```javascript
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let template = jsonpath.compile('$..friends[0]');
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@ -166,8 +215,10 @@ console.log(
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// => true, true
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```
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</details>
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### jsonpath.selector(json: string|object)
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<details><summary><b>Javascript - jsonpath.selector(json: string|object)</b></summary>
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```javascript
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let jsonObj = {
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@ -207,3 +258,77 @@ console.log(
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// => true, true
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```
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</details>
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<details><summary><b>Javascript - jsonpath.deleteValue(json: string|object, path: string)</b></summary>
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```javascript
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let jsonObj = {
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"school": {
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"friends": [
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{"name": "친구1", "age": 20},
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{"name": "친구2", "age": 20}
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]
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},
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"friends": [
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{"name": "친구3", "age": 30},
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{"name": "친구4"}
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]
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};
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let _1 = jsonpath.deleteValue(jsonObj, '$..friends[0]');
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let result = jsonpath.deleteValue(_1, '$..friends[1]');
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console.log(JSON.stringify(result) !== JSON.stringify({
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"school": { "friends": [null, null]},
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"friends": [null, null]
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}));
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// => true
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```
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</details>
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<details><summary><b>Javascript - jsonpath.replaceWith(json: string|object, path: string, fun: function(json: object) => json: object</b></summary>
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```javascript
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let jsonObj = {
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"school": {
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"friends": [
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{"name": "친구1", "age": 20},
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{"name": "친구2", "age": 20}
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]
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},
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"friends": [
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{"name": "친구3", "age": 30},
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{"name": "친구4"}
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]
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};
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let result = jsonpath.replaceWith(jsonObj, '$..friends[0]', (v) => {
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v.age = v.age * 2;
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return v;
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});
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console.log(JSON.stringify(result) === JSON.stringify({
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"school": {
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"friends": [
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{"name": "친구1", "age": 40},
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{"name": "친구2", "age": 20}
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]
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},
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"friends": [
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{"name": "친구3", "age": 60},
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{"name": "친구4"}
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]
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}));
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// => true
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```
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</details>
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[Javascript - Other Examples](https://github.com/freestrings/jsonpath/wiki/Javascript-examples)
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@ -1,6 +1,6 @@
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{
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"name": "jsonpath-rs",
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"version": "0.1.11",
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"version": "0.2.0",
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"description": "It is JsonPath implementation. The core implementation is written in Rust",
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"author": "Changseok Han <freestrings@gmail.com>",
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"license": "MIT",
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