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Update to latest fast-json-patch #23

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Jun 25, 2018
Merged

Update to latest fast-json-patch #23

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49cf145
Update to latest fast-json-patch
donaldjarmstrong Mar 2, 2018
5708ba9
Changes infoemed by review by epoberezkin
donaldjarmstrong Mar 12, 2018
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -75,7 +75,7 @@ The same schema extension using `$patch` keyword:
`$patch` is implemented as a [custom macro keyword](https://github.com/epoberezkin/ajv/blob/master/CUSTOM.md#define-keyword-with-macro-function) using [fast-json-patch](https://github.com/Starcounter-Jack/JSON-Patch) package.


In the majority of cases `$merge` format is easier to understand and to maintain. `$patch` can be used for extensions and changes that cannot be expressed using `$merge`.
In the majority of cases `$merge` format is easier to understand and to maintain. `$patch` can be used for extensions and changes that cannot be expressed using `$merge`, e.g. [Adding an array value](https://tools.ietf.org/html/rfc6902#page-18).

`with` property in keywords can also be a reference to a part of some schema, in which case the resolved value will be used rather than the actual object with property `$ref`.

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4 changes: 2 additions & 2 deletions keywords/add_keyword.js
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Expand Up @@ -2,14 +2,14 @@

var url = require('url');

module.exports = function (ajv, keyword, jsonPatch, patchSchema) {
module.exports = function (ajv, keyword, jsonPatch, func, patchSchema) {
ajv.addKeyword(keyword, {
macro: function (schema, parentSchema, it) {
var source = schema.source;
var patch = schema.with;
if (source.$ref) source = JSON.parse(JSON.stringify(getSchema(source.$ref)));
if (patch.$ref) patch = getSchema(patch.$ref);
jsonPatch.apply(source, patch, true);
jsonPatch[func].call(null, source, patch, true);
return source;

function getSchema($ref) {
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2 changes: 1 addition & 1 deletion keywords/merge.js
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Expand Up @@ -4,5 +4,5 @@ var addKeyword = require('./add_keyword');
var jsonMergePatch = require('json-merge-patch');

module.exports = function(ajv) {
addKeyword(ajv, '$merge', jsonMergePatch, { "type": "object" });
addKeyword(ajv, '$merge', jsonMergePatch, 'apply', { "type": "object" });
};
4 changes: 2 additions & 2 deletions keywords/patch.js
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@@ -1,10 +1,10 @@
'use strict';

var addKeyword = require('./add_keyword');
var jsonPatch = require('fast-json-patch/src/json-patch');
var jsonPatch = require('fast-json-patch');

module.exports = function(ajv) {
addKeyword(ajv, '$patch', jsonPatch, {
addKeyword(ajv, '$patch', jsonPatch, 'applyPatch', {
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you can pass jsonPatch.applyPatch here and jsonMergePatch.apply above. Then in add_keyword you would just need to use jsonPatch(null, source, patch, true); without any additional parameters.

"type": "array",
"items": {
"type": "object",
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2 changes: 1 addition & 1 deletion package.json
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Expand Up @@ -33,7 +33,7 @@
},
"homepage": "https://github.com/epoberezkin/ajv-merge-patch#readme",
"dependencies": {
"fast-json-patch": "^1.0.0",
"fast-json-patch": "^2.0.6",
"json-merge-patch": "^0.2.3"
},
"devDependencies": {
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18 changes: 12 additions & 6 deletions spec/patch.spec.js
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Expand Up @@ -23,10 +23,12 @@ describe('keyword $patch', function() {
"source": {
"type": "object",
"properties": { "p": { "type": "string" } },
"additionalProperties": false
"additionalProperties": false,
"required": [ "p" ]
},
"with": [
{ "op": "add", "path": "/properties/q", "value": { "type": "number" } }
{ "op": "add", "path": "/properties/q", "value": { "type": "number" } },
{ "op": "add", "path": "/required/-", "value": "q" }
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if you want to add "required" keyword and its change with "patch", then it has to be added with "merge" as well (it can replace the whole array) and also tested in "test_validate.js" (object without "q" should fail); as is it is not tested at all.

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thank you for the review. Changes submitted

]
}
};
Expand All @@ -44,7 +46,8 @@ describe('keyword $patch', function() {
"id": "obj.json#",
"type": "object",
"properties": { "p": { "type": "string" } },
"additionalProperties": false
"additionalProperties": false,
"required": [ "p" ]
};

ajv.addSchema(sourceSchema);
Expand All @@ -53,7 +56,8 @@ describe('keyword $patch', function() {
"$patch": {
"source": { "$ref": "obj.json#" },
"with": [
{ "op": "add", "path": "/properties/q", "value": { "type": "number" } }
{ "op": "add", "path": "/properties/q", "value": { "type": "number" } },
{ "op": "add", "path": "/required/-", "value": "q" }
]
}
};
Expand All @@ -73,13 +77,15 @@ describe('keyword $patch', function() {
"source": {
"type": "object",
"properties": { "p": { "type": "string" } },
"additionalProperties": false
"additionalProperties": false,
"required": [ "p" ]
}
},
"$patch": {
"source": { "$ref": "#/definitions/source" },
"with": [
{ "op": "add", "path": "/properties/q", "value": { "type": "number" } }
{ "op": "add", "path": "/properties/q", "value": { "type": "number" } },
{ "op": "add", "path": "/required/-", "value": "q" }
]
}
};
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