Initial commit

5 years ago · 8c9c15d6fb
commit 8c9c15d6fb
6 changed files with 294 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1 @@
+node_modules
--- a/README.md
+++ b/README.md
@ -0,0 +1,5 @@
+# @validatem/when
+
+Documentation for this module has not been written yet. By the time it reaches 1.0.0, it will have full documentation.
+
+In the meantime, check out the `example.js` file in the repository for a usage demonstration.
--- a/example.js
+++ b/example.js
@ -0,0 +1,33 @@
+"use strict";
+
+const { validateValue } = require("@validatem/core");
+const isString = require("@validatem/is-string");
+const when = require("./");
+
+let rule = when((object) => object.type === "string", {
+	value: [ isString ]
+});
+
+let objectA = {
+	type: "string",
+	value: "hello world"
+};
+
+console.log(validateValue(objectA, rule)); // { type: 'string', value: 'hello world' }
+
+let objectB = {
+	type: "number", /* Note that there are no rules for this case! */
+	value: 42
+};
+
+console.log(validateValue(objectB, rule)); // { type: 'number', value: 42 }
+
+let objectC = {
+	type: "string",
+	value: 42
+};
+
+console.log(validateValue(objectC, rule)); /*
+	AggregrateValidationError: One or more validation errors occurred:
+	 - At value: Must be a string
+*/
--- a/index.js
+++ b/index.js
@ -0,0 +1,34 @@
+"use strict";
+
+const assureArray = require("assure-array");
+
+const combinator = require("@validatem/combinator");
+const allowExtraProperties = require("@validatem/allow-extra-properties");
+
+// TODO: Document that this passes on context
+// TODO: Clearly document that the predicate is ALSO called when the value is not specified!
+
+module.exports = function (predicate, rules) {
+	if (rules == null) {
+		// User probably did `[ when(condition), [ rules ] ]` instead of `[ when(condition, [ rules ]) ]`
+		throw new Error("No rules specified for a `when` validation clause; did you misplace a parenthese?");
+	} else {
+		let preparedRules = assureArray(rules).map((rule) => {
+			/* We automatically allow extraneous properties in a `when` clause, because it'll generally be used as a partial addition to an otherwise-fully-specified object structure. This can be overridden by using `withContext` explicitly, wrapped directly around the hasShape or object literal. */
+			// TODO: Document this.
+			return allowExtraProperties(rule);
+		});
+
+		return combinator((value, applyValidators, context) => {
+			let matches = predicate(value);
+	
+			if (matches) {
+				// TODO: Translate this to a configuration wrapper approach, too?
+				return applyValidators(value, preparedRules, context);
+			} else {
+				// noop
+				return;
+			}
+		});
+	}
+};
--- a/package.json
+++ b/package.json
@ -0,0 +1,23 @@
+{
+  "name": "@validatem/when",
+  "description": "Validatem combinator for conditionally applying one or more rules",
+  "keywords": [
+    "validatem",
+    "validator",
+    "combinator"
+  ],
+  "version": "0.1.0",
+  "main": "index.js",
+  "repository": "http://git.cryto.net/validatem/when.git",
+  "author": "Sven Slootweg <admin@cryto.net>",
+  "license": "WTFPL OR CC0-1.0",
+  "dependencies": {
+    "@validatem/allow-extra-properties": "^0.1.0",
+    "@validatem/combinator": "^0.1.2",
+    "assure-array": "^1.0.0"
+  },
+  "devDependencies": {
+    "@validatem/core": "^0.3.3",
+    "@validatem/is-string": "^0.1.1"
+  }
+}
--- a/yarn.lock
+++ b/yarn.lock
@ -0,0 +1,198 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@validatem/allow-extra-properties@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@validatem/allow-extra-properties/-/allow-extra-properties-0.1.0.tgz#e8c434818d6fd74b8cb237cfaa4d548295de13c1"
+  integrity sha512-9jihpYxw1vp4FdjnbN0bTVZMLYv//9OjFNTsVLG5OV4xHESwtgkgQEF5/N5rY1iBwoH/pcKuRl44MBZ8eMdrKw==
+  dependencies:
+    "@validatem/with-context" "^0.1.0"
+
+"@validatem/annotate-errors@^0.1.2":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@validatem/annotate-errors/-/annotate-errors-0.1.2.tgz#fa9152bb30f4f42b69496b527e38f0c31ff605a9"
+  integrity sha512-EuX7pzdYI/YpTmZcgdPG481Oi3elAg8JWh/LYXuE1h6MaZk3A8eP5DD33/l7EoKzrysn6y8nCsqNa1ngei562w==
+  dependencies:
+    "@validatem/match-validation-error" "^0.1.0"
+
+"@validatem/any-property@^0.1.0":
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/@validatem/any-property/-/any-property-0.1.3.tgz#fc7768c1922a8bacff9369ae48913672e5350f52"
+  integrity sha512-jYWxif5ff9pccu7566LIQ/4+snlApXEJUimBywzAriBgS3r4eDBbz3oZFHuiPmhxNK/NNof5YUS+L6Sk3zaMfg==
+  dependencies:
+    "@validatem/annotate-errors" "^0.1.2"
+    "@validatem/combinator" "^0.1.0"
+    "@validatem/error" "^1.0.0"
+    "@validatem/validation-result" "^0.1.1"
+    "@validatem/virtual-property" "^0.1.0"
+    default-value "^1.0.0"
+
+"@validatem/combinator@^0.1.0", "@validatem/combinator@^0.1.1", "@validatem/combinator@^0.1.2":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@validatem/combinator/-/combinator-0.1.2.tgz#eab893d55f1643b9c6857eaf6ff7ed2a728e89ff"
+  integrity sha512-vE8t1tNXknmN62FlN6LxQmA2c6TwVKZ+fl/Wit3H2unFdOhu7SZj2kRPGjAXdK/ARh/3svYfUBeD75pea0j1Sw==
+
+"@validatem/core@^0.3.3":
+  version "0.3.3"
+  resolved "https://registry.yarnpkg.com/@validatem/core/-/core-0.3.3.tgz#f9d812ba75c073e3879b3afae8f5c8c356992717"
+  integrity sha512-2rJdTwc/KlyjQtdn9uWgWYdqLOB3F47tV/Ew5XQ67bHabZhrF6xZF97B6I+C340HH0A7YW1tgNTnKsNh0PvhCg==
+  dependencies:
+    "@validatem/annotate-errors" "^0.1.2"
+    "@validatem/any-property" "^0.1.0"
+    "@validatem/error" "^1.0.0"
+    "@validatem/is-plain-object" "^0.1.0"
+    "@validatem/match-validation-error" "^0.1.0"
+    "@validatem/match-versioned-special" "^0.1.0"
+    "@validatem/match-virtual-property" "^0.1.0"
+    "@validatem/normalize-rules" "^0.1.0"
+    "@validatem/required" "^0.1.0"
+    "@validatem/validation-result" "^0.1.1"
+    assure-array "^1.0.0"
+    create-error "^0.3.1"
+    default-value "^1.0.0"
+    flatten "^1.0.3"
+    is-arguments "^1.0.4"
+
+"@validatem/error@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@validatem/error/-/error-1.0.0.tgz#a975904aa4c3e7618d89088a393567a5e1778340"
+  integrity sha512-7M3tV4DhCuimuCRdC2L/topBByDjhzspzeQGNU0S4/mdn2aDNtESYE43K/2Kh/utCAhqXh2gyw89WYxy//t3fQ==
+  dependencies:
+    create-error "^0.3.1"
+
+"@validatem/has-shape@^0.1.0":
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/@validatem/has-shape/-/has-shape-0.1.5.tgz#7fc727e8254fa17c30e1eb4a7661767bb7701535"
+  integrity sha512-Ht+GOOZOle5A7QpcI8cXSfDoGIe//JrA70ibpFOVy7946WQAFmB2icoyUXwsZY+ybnZwY4g/y1NqyqVQ/Z8hzw==
+  dependencies:
+    "@validatem/annotate-errors" "^0.1.2"
+    "@validatem/combinator" "^0.1.0"
+    "@validatem/error" "^1.0.0"
+    "@validatem/validation-result" "^0.1.1"
+    as-expression "^1.0.0"
+    assure-array "^1.0.0"
+    default-value "^1.0.0"
+    flatten "^1.0.3"
+
+"@validatem/is-plain-object@^0.1.0":
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/@validatem/is-plain-object/-/is-plain-object-0.1.1.tgz#b7a3ef8ef960882c7c41e84ed709fa0bfb932e93"
+  integrity sha512-aNGbNIbKRpYI0lRBczlTBbiA+nqN52ADAASdySKg2/QeSCVtYS4uOIeCNIJRAgXe/5sUnLTuL4pgq628uAl7Kw==
+  dependencies:
+    "@validatem/error" "^1.0.0"
+    is-plain-obj "^2.1.0"
+
+"@validatem/is-string@^0.1.1":
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/@validatem/is-string/-/is-string-0.1.1.tgz#0710d8cebedd4d6861b4a8c63d7803ed6d2f9d6c"
+  integrity sha512-iyRVYRPgRt2ZlWyc7pzN1WkO6apzE8at39XQa4WUr8qRPfJn12V4khS9MumWbZs8N2qqajrxMigB2LJUCKOCRg==
+  dependencies:
+    "@validatem/error" "^1.0.0"
+    is-string "^1.0.5"
+
+"@validatem/match-special@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@validatem/match-special/-/match-special-0.1.0.tgz#4e0c28f1aee5bf53c1ef30bbf8c755d4946ae0ff"
+  integrity sha512-TFiq9Wk/1Hoja4PK85WwNYnwBXk3+Lgoj59ZIMxm2an1qmNYp8j+BnSvkKBflba451yIn6V1laU9NJf+/NYZgw==
+
+"@validatem/match-validation-error@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@validatem/match-validation-error/-/match-validation-error-0.1.0.tgz#fa87f5f1836e7c1d9bf6b75b2addf0a5b21e4c1e"
+  integrity sha512-6akGTk7DdulOreyqDiGdikwRSixQz/AlvARSX18dcWaTFc79KxCLouL2hyoFcor9IIUhu5RTY4/i756y4T1yxA==
+  dependencies:
+    "@validatem/match-versioned-special" "^0.1.0"
+
+"@validatem/match-versioned-special@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@validatem/match-versioned-special/-/match-versioned-special-0.1.0.tgz#2eacc48debecdbbe7e3d02f0c0a665afaea9bedf"
+  integrity sha512-xoOTY0bdA2ELj+ntcDVJ8YyMEFIJpjZ4HNPL9lGcbnRFwJBhQcHUAhUpZwkMxu02zH9wkNM1FvYGHxPz40745Q==
+
+"@validatem/match-virtual-property@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@validatem/match-virtual-property/-/match-virtual-property-0.1.0.tgz#4de2de1075987b5f3b356d3f2bcf6c0be5b5fb83"
+  integrity sha512-ssd3coFgwbLuqvZftLZTy3eHN0TFST8oTS2XTViQdXJPXVoJmwEKBpFhXgwnb5Ly1CE037R/KWpjhd1TP/56kQ==
+
+"@validatem/normalize-rules@^0.1.0":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@validatem/normalize-rules/-/normalize-rules-0.1.2.tgz#6529f17a6f36c6e2ae3ef285c59347c2ea208aa1"
+  integrity sha512-IHc81Sy/W0OiCbmvE3kTB+5OPVJnXWHP2tTXvKO6hVH0qykclMvIPRGgZf1s4dLaeOLKdkkfKyO/pLTVyNCIbA==
+  dependencies:
+    "@validatem/has-shape" "^0.1.0"
+    "@validatem/is-plain-object" "^0.1.0"
+    "@validatem/match-special" "^0.1.0"
+    assure-array "^1.0.0"
+    default-value "^1.0.0"
+    flatten "^1.0.3"
+    is-plain-obj "^2.1.0"
+
+"@validatem/required@^0.1.0":
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/@validatem/required/-/required-0.1.1.tgz#64f4a87333fc5955511634036b7f8948ed269170"
+  integrity sha512-vI4NzLfay4RFAzp7xyU34PHb8sAo6w/3frrNh1EY9Xjnw2zxjY5oaxwmbFP1jVevBE6QQEnKogtzUHz/Zuvh6g==
+
+"@validatem/validation-result@^0.1.1":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@validatem/validation-result/-/validation-result-0.1.2.tgz#4e75cfd87305fc78f8d05ac84921a2c99a0348e0"
+  integrity sha512-okmP8JarIwIgfpaVcvZGuQ1yOsLKT3Egt49Ynz6h1MAeGsP/bGHXkkXtbiWOVsk5Tzku5vDVFSrFnF+5IEHKxw==
+  dependencies:
+    default-value "^1.0.0"
+
+"@validatem/virtual-property@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@validatem/virtual-property/-/virtual-property-0.1.0.tgz#880540dfd149f98ecf1095d93912e34443381fe4"
+  integrity sha512-JUUvWtdqoSkOwlsl20oB3qFHYIL05a/TAfdY4AJcs55QeVTiX5iI1b8IoQW644sIWWooBuLv+XwoxjRsQFczlQ==
+
+"@validatem/with-context@^0.1.0":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@validatem/with-context/-/with-context-0.1.2.tgz#3645c04897664f70995104961277e07b61b4f615"
+  integrity sha512-noAWf4CsmU+BCz+KOg3GPq9+R9BQLWOQnOgWVfkYHFdLnnbLhl8w/ONdzvFzUYGHIZGKZwsWVCp+Kwz/tAfMnA==
+  dependencies:
+    "@validatem/combinator" "^0.1.1"
+
+as-expression@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/as-expression/-/as-expression-1.0.0.tgz#7bc620ca4cb2fe0ee90d86729bd6add33b8fd831"
+  integrity sha512-Iqh4GxNUfxbJdGn6b7/XMzc8m1Dz2ZHouBQ9DDTzyMRO3VPPIAXeoY/sucRxxxXKbUtzwzWZSN6jPR3zfpYHHA==
+
+assure-array@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/assure-array/-/assure-array-1.0.0.tgz#4f4ad16a87659d6200a4fb7103462033d216ec1f"
+  integrity sha1-T0rRaodlnWIApPtxA0YgM9IW7B8=
+
+create-error@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/create-error/-/create-error-0.3.1.tgz#69810245a629e654432bf04377360003a5351a23"
+  integrity sha1-aYECRaYp5lRDK/BDdzYAA6U1GiM=
+
+default-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/default-value/-/default-value-1.0.0.tgz#8c6f52a5a1193fe78fdc9f86eb71d16c9757c83a"
+  integrity sha1-jG9SpaEZP+eP3J+G63HRbJdXyDo=
+  dependencies:
+    es6-promise-try "0.0.1"
+
+es6-promise-try@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/es6-promise-try/-/es6-promise-try-0.0.1.tgz#10f140dad27459cef949973e5d21a087f7274b20"
+  integrity sha1-EPFA2tJ0Wc75SZc+XSGgh/cnSyA=
+
+flatten@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/flatten/-/flatten-1.0.3.tgz#c1283ac9f27b368abc1e36d1ff7b04501a30356b"
+  integrity sha512-dVsPA/UwQ8+2uoFe5GHtiBMu48dWLTdsuEd7CKGlZlD78r1TTWBvDuFaFGKCo/ZfEr95Uk56vZoX86OsHkUeIg==
+
+is-arguments@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-arguments/-/is-arguments-1.0.4.tgz#3faf966c7cba0ff437fb31f6250082fcf0448cf3"
+  integrity sha512-xPh0Rmt8NE65sNzvyUmWgI1tz3mKq74lGA0mL8LYZcoIzKOzDh6HmrYm3d18k60nHerC8A9Km8kYu87zfSFnLA==
+
+is-plain-obj@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-2.1.0.tgz#45e42e37fccf1f40da8e5f76ee21515840c09287"
+  integrity sha512-YWnfyRwxL/+SsrWYfOpUtz5b3YD+nyfkHvjbcanzk8zgyO4ASD67uVMRt8k5bM4lLMDnXfriRhOpemw+NfT1eA==
+
+is-string@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/is-string/-/is-string-1.0.5.tgz#40493ed198ef3ff477b8c7f92f644ec82a5cd3a6"
+  integrity sha512-buY6VNRjhQMiF1qWDouloZlQbRhDPCebwxSjxMjxgemYT46YMd2NR0/H+fBhEfWX4A/w9TBJ+ol+okqJKFE6vQ==