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@featurevisor/sdk - npm Package Compare versions

Comparing version 0.36.0 to 0.37.0

11

CHANGELOG.md

@@ -6,2 +6,13 @@ # Change Log

# [0.37.0](https://github.com/fahad19/featurevisor/compare/v0.36.0...v0.37.0) (2023-07-14)
### Features
* renamed Attributes (object) to Context ([#101](https://github.com/fahad19/featurevisor/issues/101)) ([c392ad5](https://github.com/fahad19/featurevisor/commit/c392ad5f1b6100167aa5637b131f08036a7f5a55))
# [0.36.0](https://github.com/fahad19/featurevisor/compare/v0.35.0...v0.36.0) (2023-07-13)

@@ -8,0 +19,0 @@

2

dist/index.js

@@ -1,2 +0,2 @@

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options");this.setDatafile(e.datafile),this.statuses.ready=!0,setTimeout((function(){t.emitter.emit("ready")}),0)}}return e.prototype.setDatafile=function(e){try{this.datafileReader=new n.DatafileReader("string"==typeof e?JSON.parse(e):e)}catch(e){this.logger.error("could not parse datafile",{error:e})}},e.prototype.setStickyFeatures=function(e){this.stickyFeatures=e},e.prototype.getRevision=function(){return this.datafileReader.getRevision()},e.prototype.getFeature=function(e){return"string"==typeof e?this.datafileReader.getFeature(e):e},e.prototype.getBucketKey=function(e,t){var r,i,a=e.key;if("string"==typeof e.bucketBy)r="plain",i=[e.bucketBy];else if(Array.isArray(e.bucketBy))r="and",i=e.bucketBy;else{if("object"!=typeof e.bucketBy||!Array.isArray(e.bucketBy.or))throw this.logger.error("invalid bucketBy",{featureKey:a,bucketBy:e.bucketBy}),new Error("invalid bucketBy");r="or",i=e.bucketBy.or}var n=[];i.forEach((function(e){var i=t[e];void 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datafile",{error:t}),e.statuses.refreshInProgress=!1}))):this.logger.error("cannot refresh since `datafileUrl` is not provided")},e.prototype.startRefreshing=function(){var e=this;return this.datafileUrl?this.intervalId?this.logger.warn("refreshing has already started"):this.refreshInterval?void(this.intervalId=setInterval((function(){e.refresh()}),1e3*this.refreshInterval)):this.logger.warn("no `refreshInterval` option provided"):this.logger.error("cannot start refreshing since `datafileUrl` is not provided")},e.prototype.stopRefreshing=function(){if(!this.intervalId)return this.logger.warn("refreshing has not started yet");clearInterval(this.intervalId)},e.prototype.evaluateVariation=function(e,t){var r;void 0===t&&(t={});try{var a="string"==typeof e?e:e.key;if(this.stickyFeatures&&this.stickyFeatures[a]&&void 0!==(n=this.stickyFeatures[a].variation))return r={featureKey:a,reason:i.STICKY,variationValue:n},this.logger.debug("using sticky variation",r),r;if(this.statuses&&!this.statuses.ready&&this.initialFeatures&&this.initialFeatures[a]&&void 0!==this.initialFeatures[a].variation){var n=this.initialFeatures[a].variation;return r={featureKey:a,reason:i.INITIAL,variationValue:n},this.logger.debug("using initial variation",r),r}var o=this.getFeature(e);if(!o)return r={featureKey:a,reason:i.NOT_FOUND},this.logger.warn("feature not found in datafile",r),r;var s=this.interceptContext?this.interceptContext(t):t,l=(0,u.findForceFromFeature)(o,t,this.datafileReader);if(l&&l.variation){var f=o.variations.find((function(e){return e.value===l.variation}));if(f)return r={featureKey:o.key,reason:i.FORCED,variation:f},this.logger.debug("forced variation found",r),r}var c=this.getBucketValue(o,s),d=(0,u.getMatchedTrafficAndAllocation)(o.traffic,s,c,this.datafileReader,this.logger),v=d.matchedTraffic,h=d.matchedAllocation;if(v){if(v.variation){var g=o.variations.find((function(e){return e.value===v.variation}));if(g)return r={featureKey:o.key,reason:i.RULE,variation:g,bucketValue:c,ruleKey:v.key},this.logger.debug("override from rule",r),r}if(h&&h.variation){var y=o.variations.find((function(e){return e.value===h.variation}));if(y)return r={featureKey:o.key,reason:i.ALLOCATED,bucketValue:c,variation:y},this.logger.debug("allocated variation",r),r}}var p=o.variations.find((function(e){return e.value===o.defaultVariation}));return p?(r={featureKey:o.key,reason:i.DEFAULTED,bucketValue:c,variation:p},this.logger.debug("using default variation",r),r):(r={featureKey:o.key,reason:i.ERROR,bucketValue:c},this.logger.error("no matched variation",r),r)}catch(t){return{featureKey:"string"==typeof e?e:e.key,reason:i.ERROR,error:t}}},e.prototype.getVariation=function(e,t){void 0===t&&(t={});try{var r=this.evaluateVariation(e,t);return void 0!==r.variationValue?r.variationValue:r.variation?r.variation.value:void 0}catch(t){return void this.logger.error("getVariation",{featureKey:e,error:t})}},e.prototype.getVariationBoolean=function(e,t){return void 0===t&&(t={}),h(this.getVariation(e,t),"boolean")},e.prototype.getVariationString=function(e,t){return void 0===t&&(t={}),h(this.getVariation(e,t),"string")},e.prototype.getVariationInteger=function(e,t){return void 0===t&&(t={}),h(this.getVariation(e,t),"integer")},e.prototype.getVariationDouble=function(e,t){return void 0===t&&(t={}),h(this.getVariation(e,t),"double")},e.prototype.activate=function(e,t){void 0===t&&(t={});try{var r=this.evaluateVariation(e,t),i=r.variation?r.variation.value:r.variationValue;if(void 0===i)return;var a=this.interceptContext?this.interceptContext(t):t,n={};return this.datafileReader.getAllAttributes().filter((function(e){return!0===e.capture})).forEach((function(e){void 0!==a[e.key]&&(n[e.key]=t[e.key])})),this.emitter.emit("activation",e,i,a,n,r),i}catch(t){return void this.logger.error("activate",{featureKey:e,error:t})}},e.prototype.activateBoolean=function(e,t){return void 0===t&&(t={}),h(this.activate(e,t),"boolean")},e.prototype.activateString=function(e,t){return void 0===t&&(t={}),h(this.activate(e,t),"string")},e.prototype.activateInteger=function(e,t){return void 0===t&&(t={}),h(this.activate(e,t),"integer")},e.prototype.activateDouble=function(e,t){return void 0===t&&(t={}),h(this.activate(e,t),"double")},e.prototype.evaluateVariable=function(e,t,r){var a,n=this;void 0===r&&(r={});try{var o="string"==typeof e?e:e.key;if(this.stickyFeatures&&this.stickyFeatures[o]&&this.stickyFeatures[o].variables){var s=this.stickyFeatures[o].variables[t];if(void 0!==s)return a={featureKey:o,reason:i.STICKY,variableKey:t,variableValue:s},this.logger.debug("using sticky variable",a),a}if(this.statuses&&!this.statuses.ready&&this.initialFeatures&&this.initialFeatures[o]&&this.initialFeatures[o].variables&&void 0!==this.initialFeatures[o].variables[t])return a={featureKey:o,reason:i.INITIAL,variableKey:t,variableValue:this.initialFeatures[o].variables[t]},this.logger.debug("using initial variable",a),a;var c=this.getFeature(e);if(!c)return a={featureKey:o,reason:i.NOT_FOUND,variableKey:t},this.logger.warn("feature not found in datafile",a),a;var d=Array.isArray(c.variablesSchema)?c.variablesSchema.find((function(e){return e.key===t})):void 0;if(!d)return a={featureKey:o,reason:i.NOT_FOUND,variableKey:t},this.logger.warn("variable schema not found",a),a;var v=this.interceptContext?this.interceptContext(r):r,h=(0,u.findForceFromFeature)(c,r,this.datafileReader);if(h&&h.variables&&void 0!==h.variables[t])return a={featureKey:c.key,reason:i.FORCED,variableKey:t,variableSchema:d,variableValue:h.variables[t]},this.logger.debug("forced variable",a),a;var g=this.getBucketValue(c,v),y=(0,u.getMatchedTrafficAndAllocation)(c.traffic,v,g,this.datafileReader,this.logger),p=y.matchedTraffic,b=y.matchedAllocation;if(p){if(p.variables&&void 0!==p.variables[t])return a={featureKey:c.key,reason:i.RULE,variableKey:t,variableSchema:d,variableValue:p.variables[t],bucketValue:g,ruleKey:p.key},this.logger.debug("override from rule",a),a;if(b&&b.variation){var m=c.variations.find((function(e){return e.value===b.variation}));if(m&&m.variables){var k=m.variables.find((function(e){return e.key===t}));if(k){if(k.overrides){var V=k.overrides.find((function(e){return e.conditions?(0,l.allConditionsAreMatched)("string"==typeof e.conditions?JSON.parse(e.conditions):e.conditions,v):!!e.segments&&(0,f.allGroupSegmentsAreMatched)("string"==typeof e.segments&&"*"!==e.segments?JSON.parse(e.segments):e.segments,v,n.datafileReader)}));if(V)return a={featureKey:c.key,reason:i.OVERRIDE,variableKey:t,variableSchema:d,variableValue:V.value,bucketValue:g,ruleKey:p.key},this.logger.debug("variable override",a),a}if(void 0!==k.value)return a={featureKey:c.key,reason:i.ALLOCATED,variableKey:t,variableSchema:d,variableValue:k.value,bucketValue:g,ruleKey:p.key},this.logger.debug("allocated variable",a),a}}}}return a={featureKey:c.key,reason:i.DEFAULTED,variableKey:t,variableSchema:d,variableValue:d.defaultValue,bucketValue:g},this.logger.debug("using default value",a),a}catch(r){return{featureKey:"string"==typeof e?e:e.key,reason:i.ERROR,variableKey:t,error:r}}},e.prototype.getVariable=function(e,t,r){void 0===r&&(r={});try{var i=this.evaluateVariable(e,t,r);return void 0!==i.variableValue?i.variableSchema&&"json"===i.variableSchema.type&&"string"==typeof i.variableValue?JSON.parse(i.variableValue):i.variableValue:void 0}catch(r){return void this.logger.error("getVariable",{featureKey:e,variableKey:t,error:r})}},e.prototype.getVariableBoolean=function(e,t,r){return void 0===r&&(r={}),h(this.getVariable(e,t,r),"boolean")},e.prototype.getVariableString=function(e,t,r){return void 0===r&&(r={}),h(this.getVariable(e,t,r),"string")},e.prototype.getVariableInteger=function(e,t,r){return void 0===r&&(r={}),h(this.getVariable(e,t,r),"integer")},e.prototype.getVariableDouble=function(e,t,r){return void 0===r&&(r={}),h(this.getVariable(e,t,r),"double")},e.prototype.getVariableArray=function(e,t,r){return void 0===r&&(r={}),h(this.getVariable(e,t,r),"array")},e.prototype.getVariableObject=function(e,t,r){return void 0===r&&(r={}),h(this.getVariable(e,t,r),"object")},e.prototype.getVariableJSON=function(e,t,r){return void 0===r&&(r={}),h(this.getVariable(e,t,r),"json")},e}();t.FeaturevisorInstance=g,t.createInstance=function(e){return new g(e)}},687:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.createLogger=t.Logger=t.defaultLogHandler=t.defaultLogLevels=t.loggerPrefix=void 0,t.loggerPrefix="[Featurevisor]",t.defaultLogLevels=["warn","error"],t.defaultLogHandler=function(e,r,i){switch(void 0===i&&(i={}),e){case"debug":console.log(t.loggerPrefix,r,i);case"info":console.info(t.loggerPrefix,r,i);case"warn":console.warn(t.loggerPrefix,r,i);case"error":console.error(t.loggerPrefix,r,i)}};var r=function(){function e(e){this.levels=e.levels,this.handle=e.handler}return e.prototype.setLevels=function(e){this.levels=e},e.prototype.log=function(e,t,r){-1!==this.levels.indexOf(e)&&this.handle(e,t,r)},e.prototype.debug=function(e,t){this.log("debug",e,t)},e.prototype.info=function(e,t){this.log("info",e,t)},e.prototype.warn=function(e,t){this.log("warn",e,t)},e.prototype.error=function(e,t){this.log("error",e,t)},e}();t.Logger=r,t.createLogger=function(e){void 0===e&&(e={});var i=e.levels||t.defaultLogLevels,a=e.handler||t.defaultLogHandler;return new r({levels:i,handler:a})}},590:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.allGroupSegmentsAreMatched=t.segmentIsMatched=void 0;var i=r(243);function a(e,t){return(0,i.allConditionsAreMatched)(e.conditions,t)}t.segmentIsMatched=a,t.allGroupSegmentsAreMatched=function e(t,r,i){if("*"===t)return!0;if("string"==typeof t){var n=i.getSegment(t);return!!n&&a(n,r)}if("object"==typeof t){if("and"in t&&Array.isArray(t.and))return t.and.every((function(t){return e(t,r,i)}));if("or"in t&&Array.isArray(t.or))return t.or.some((function(t){return e(t,r,i)}));if("not"in t&&Array.isArray(t.not))return t.not.every((function(t){return!1===e(t,r,i)}))}return!!Array.isArray(t)&&t.every((function(t){return e(t,r,i)}))}}},t={};function r(i){var a=t[i];if(void 0!==a)return a.exports;var n=t[i]={exports:{}};return e[i].call(n.exports,n,n.exports,r),n.exports}return r.d=(e,t)=>{for(var i in t)r.o(t,i)&&!r.o(e,i)&&Object.defineProperty(e,i,{enumerable:!0,get:t[i]})},r.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t),r.r=e=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r(97)})()));
//# sourceMappingURL=index.js.map

6

lib/conditions.d.ts

@@ -1,3 +0,3 @@

import { Attributes, Condition, PlainCondition } from "@featurevisor/types";
export declare function conditionIsMatched(condition: PlainCondition, attributes: Attributes): boolean;
export declare function allConditionsAreMatched(conditions: Condition[] | Condition, attributes: Attributes): boolean;
import { Context, Condition, PlainCondition } from "@featurevisor/types";
export declare function conditionIsMatched(condition: PlainCondition, context: Context): boolean;
export declare function allConditionsAreMatched(conditions: Condition[] | Condition, context: Context): boolean;

70

lib/conditions.js
import { compareVersions } from "compare-versions";
export function conditionIsMatched(condition, attributes) {
export function conditionIsMatched(condition, context) {
var attribute = condition.attribute, operator = condition.operator, value = condition.value;
if (operator === "equals") {
return attributes[attribute] === value;
return context[attribute] === value;
}
else if (operator === "notEquals") {
return attributes[attribute] !== value;
return context[attribute] !== value;
}
else if (operator === "before" || operator === "after") {
// date comparisons
var valueInAttributes = attributes[attribute];
var dateInAttributes = valueInAttributes instanceof Date ? valueInAttributes : new Date(valueInAttributes);
var valueInContext = context[attribute];
var dateInContext = valueInContext instanceof Date ? valueInContext : new Date(valueInContext);
var dateInCondition = value instanceof Date ? value : new Date(value);
return operator === "before"
? dateInAttributes < dateInCondition
: dateInAttributes > dateInCondition;
? dateInContext < dateInCondition
: dateInContext > dateInCondition;
}
else if (typeof attributes[attribute] === "string" && Array.isArray(value)) {
else if (typeof context[attribute] === "string" && Array.isArray(value)) {
// array
var valueInAttributes = attributes[attribute];
var valueInContext = context[attribute];
if (operator === "in") {
return value.indexOf(valueInAttributes) !== -1;
return value.indexOf(valueInContext) !== -1;
}
else if (operator === "notIn") {
return value.indexOf(valueInAttributes) === -1;
return value.indexOf(valueInContext) === -1;
}
}
else if (typeof attributes[attribute] === "string" && typeof value === "string") {
else if (typeof context[attribute] === "string" && typeof value === "string") {
// string
var valueInAttributes = attributes[attribute];
var valueInContext = context[attribute];
if (operator === "contains") {
return valueInAttributes.indexOf(value) !== -1;
return valueInContext.indexOf(value) !== -1;
}
else if (operator === "notContains") {
return valueInAttributes.indexOf(value) === -1;
return valueInContext.indexOf(value) === -1;
}
else if (operator === "startsWith") {
return valueInAttributes.startsWith(value);
return valueInContext.startsWith(value);
}
else if (operator === "endsWith") {
return valueInAttributes.endsWith(value);
return valueInContext.endsWith(value);
}
else if (operator === "semverEquals") {
return compareVersions(valueInAttributes, value) === 0;
return compareVersions(valueInContext, value) === 0;
}
else if (operator === "semverNotEquals") {
return compareVersions(valueInAttributes, value) !== 0;
return compareVersions(valueInContext, value) !== 0;
}
else if (operator === "semverGreaterThan") {
return compareVersions(valueInAttributes, value) === 1;
return compareVersions(valueInContext, value) === 1;
}
else if (operator === "semverGreaterThanOrEquals") {
return compareVersions(valueInAttributes, value) >= 0;
return compareVersions(valueInContext, value) >= 0;
}
else if (operator === "semverLessThan") {
return compareVersions(valueInAttributes, value) === -1;
return compareVersions(valueInContext, value) === -1;
}
else if (operator === "semverLessThanOrEquals") {
return compareVersions(valueInAttributes, value) <= 0;
return compareVersions(valueInContext, value) <= 0;
}
}
else if (typeof attributes[attribute] === "number" && typeof value === "number") {
else if (typeof context[attribute] === "number" && typeof value === "number") {
// numeric
var valueInAttributes = attributes[attribute];
var valueInContext = context[attribute];
if (operator === "greaterThan") {
return valueInAttributes > value;
return valueInContext > value;
}
else if (operator === "greaterThanOrEquals") {
return valueInAttributes >= value;
return valueInContext >= value;
}
else if (operator === "lessThan") {
return valueInAttributes < value;
return valueInContext < value;
}
else if (operator === "lessThanOrEquals") {
return valueInAttributes <= value;
return valueInContext <= value;
}

@@ -81,11 +81,11 @@ }

}
export function allConditionsAreMatched(conditions, attributes) {
export function allConditionsAreMatched(conditions, context) {
if ("attribute" in conditions) {
return conditionIsMatched(conditions, attributes);
return conditionIsMatched(conditions, context);
}
if ("and" in conditions && Array.isArray(conditions.and)) {
return conditions.and.every(function (c) { return allConditionsAreMatched(c, attributes); });
return conditions.and.every(function (c) { return allConditionsAreMatched(c, context); });
}
if ("or" in conditions && Array.isArray(conditions.or)) {
return conditions.or.some(function (c) { return allConditionsAreMatched(c, attributes); });
return conditions.or.some(function (c) { return allConditionsAreMatched(c, context); });
}

@@ -96,7 +96,7 @@ if ("not" in conditions && Array.isArray(conditions.not)) {

and: conditions.not,
}, attributes) === false;
}, context) === false;
});
}
if (Array.isArray(conditions)) {
return conditions.every(function (c) { return allConditionsAreMatched(c, attributes); });
return conditions.every(function (c) { return allConditionsAreMatched(c, context); });
}

@@ -103,0 +103,0 @@ return false;

6

lib/feature.d.ts

@@ -1,2 +0,2 @@

import { Allocation, Attributes, Traffic, Feature, Force } from "@featurevisor/types";
import { Allocation, Context, Traffic, Feature, Force } from "@featurevisor/types";
import { DatafileReader } from "./datafileReader";

@@ -9,3 +9,3 @@ import { Logger } from "./logger";

}
export declare function getMatchedTrafficAndAllocation(traffic: Traffic[], attributes: Attributes, bucketValue: number, datafileReader: DatafileReader, logger: Logger): MatchedTrafficAndAllocation;
export declare function findForceFromFeature(feature: Feature, attributes: Attributes, datafileReader: DatafileReader): Force | undefined;
export declare function getMatchedTrafficAndAllocation(traffic: Traffic[], context: Context, bucketValue: number, datafileReader: DatafileReader, logger: Logger): MatchedTrafficAndAllocation;
export declare function findForceFromFeature(feature: Feature, context: Context, datafileReader: DatafileReader): Force | undefined;

10

lib/feature.js

@@ -13,6 +13,6 @@ import { allGroupSegmentsAreMatched } from "./segments";

}
export function getMatchedTrafficAndAllocation(traffic, attributes, bucketValue, datafileReader, logger) {
export function getMatchedTrafficAndAllocation(traffic, context, bucketValue, datafileReader, logger) {
var matchedAllocation;
var matchedTraffic = traffic.find(function (t) {
if (!allGroupSegmentsAreMatched(typeof t.segments === "string" && t.segments !== "*" ? JSON.parse(t.segments) : t.segments, attributes, datafileReader)) {
if (!allGroupSegmentsAreMatched(typeof t.segments === "string" && t.segments !== "*" ? JSON.parse(t.segments) : t.segments, context, datafileReader)) {
return false;

@@ -31,3 +31,3 @@ }

}
export function findForceFromFeature(feature, attributes, datafileReader) {
export function findForceFromFeature(feature, context, datafileReader) {
if (!feature.force) {

@@ -38,6 +38,6 @@ return undefined;

if (f.conditions) {
return allConditionsAreMatched(f.conditions, attributes);
return allConditionsAreMatched(f.conditions, context);
}
if (f.segments) {
return allGroupSegmentsAreMatched(f.segments, attributes, datafileReader);
return allGroupSegmentsAreMatched(f.segments, context, datafileReader);
}

@@ -44,0 +44,0 @@ return false;

53

lib/instance.d.ts

@@ -1,8 +0,8 @@

import { Attributes, BucketKey, BucketValue, DatafileContent, Feature, FeatureKey, InitialFeatures, StickyFeatures, VariableType, VariableValue, VariationType, VariationValue, Variation, RuleKey, VariableKey, VariableSchema } from "@featurevisor/types";
import { Context, BucketKey, BucketValue, DatafileContent, Feature, FeatureKey, InitialFeatures, StickyFeatures, VariableType, VariableValue, VariationType, VariationValue, Variation, RuleKey, VariableKey, VariableSchema } from "@featurevisor/types";
import { Logger } from "./logger";
import { Emitter } from "./emitter";
export type ReadyCallback = () => void;
export type ActivationCallback = (featureName: string, variation: VariationValue, attributes: Attributes, captureAttributes: Attributes) => void;
export type ConfigureBucketKey = (feature: any, attributes: any, bucketKey: BucketKey) => BucketKey;
export type ConfigureBucketValue = (feature: any, attributes: any, bucketValue: BucketValue) => BucketValue;
export type ActivationCallback = (featureName: string, variation: VariationValue, context: Context, captureContext: Context) => void;
export type ConfigureBucketKey = (feature: any, context: any, bucketKey: BucketKey) => BucketKey;
export type ConfigureBucketValue = (feature: any, context: any, bucketValue: BucketValue) => BucketValue;
export interface Statuses {

@@ -12,2 +12,3 @@ ready: boolean;

}
export type InterceptContext = (context: Context) => Context;
export interface InstanceOptions {

@@ -21,3 +22,3 @@ bucketKeySeparator?: string;

initialFeatures?: InitialFeatures;
interceptAttributes?: (attributes: Attributes) => Attributes;
interceptContext?: InterceptContext;
logger?: Logger;

@@ -65,3 +66,3 @@ onActivation?: ActivationCallback;

private initialFeatures?;
private interceptAttributes?;
private interceptContext?;
private logger;

@@ -102,30 +103,30 @@ private refreshInterval?;

*/
evaluateVariation(featureKey: FeatureKey | Feature, attributes?: Attributes): Evaluation;
getVariation(featureKey: FeatureKey | Feature, attributes?: Attributes): VariationValue | undefined;
getVariationBoolean(featureKey: FeatureKey | Feature, attributes?: Attributes): boolean | undefined;
getVariationString(featureKey: FeatureKey | Feature, attributes?: Attributes): string | undefined;
getVariationInteger(featureKey: FeatureKey | Feature, attributes?: Attributes): number | undefined;
getVariationDouble(featureKey: FeatureKey | Feature, attributes?: Attributes): number | undefined;
evaluateVariation(featureKey: FeatureKey | Feature, context?: Context): Evaluation;
getVariation(featureKey: FeatureKey | Feature, context?: Context): VariationValue | undefined;
getVariationBoolean(featureKey: FeatureKey | Feature, context?: Context): boolean | undefined;
getVariationString(featureKey: FeatureKey | Feature, context?: Context): string | undefined;
getVariationInteger(featureKey: FeatureKey | Feature, context?: Context): number | undefined;
getVariationDouble(featureKey: FeatureKey | Feature, context?: Context): number | undefined;
/**
* Activate
*/
activate(featureKey: FeatureKey, attributes?: Attributes): VariationValue | undefined;
activateBoolean(featureKey: FeatureKey, attributes?: Attributes): boolean | undefined;
activateString(featureKey: FeatureKey, attributes?: Attributes): string | undefined;
activateInteger(featureKey: FeatureKey, attributes?: Attributes): number | undefined;
activateDouble(featureKey: FeatureKey, attributes?: Attributes): number | undefined;
activate(featureKey: FeatureKey, context?: Context): VariationValue | undefined;
activateBoolean(featureKey: FeatureKey, context?: Context): boolean | undefined;
activateString(featureKey: FeatureKey, context?: Context): string | undefined;
activateInteger(featureKey: FeatureKey, context?: Context): number | undefined;
activateDouble(featureKey: FeatureKey, context?: Context): number | undefined;
/**
* Variable
*/
evaluateVariable(featureKey: FeatureKey | Feature, variableKey: VariableKey, attributes?: Attributes): Evaluation;
getVariable(featureKey: FeatureKey | Feature, variableKey: string, attributes?: Attributes): VariableValue | undefined;
getVariableBoolean(featureKey: FeatureKey | Feature, variableKey: string, attributes?: Attributes): boolean | undefined;
getVariableString(featureKey: FeatureKey | Feature, variableKey: string, attributes?: Attributes): string | undefined;
getVariableInteger(featureKey: FeatureKey | Feature, variableKey: string, attributes?: Attributes): number | undefined;
getVariableDouble(featureKey: FeatureKey | Feature, variableKey: string, attributes?: Attributes): number | undefined;
getVariableArray(featureKey: FeatureKey | Feature, variableKey: string, attributes?: Attributes): string[] | undefined;
getVariableObject<T>(featureKey: FeatureKey | Feature, variableKey: string, attributes?: Attributes): T | undefined;
getVariableJSON<T>(featureKey: FeatureKey | Feature, variableKey: string, attributes?: Attributes): T | undefined;
evaluateVariable(featureKey: FeatureKey | Feature, variableKey: VariableKey, context?: Context): Evaluation;
getVariable(featureKey: FeatureKey | Feature, variableKey: string, context?: Context): VariableValue | undefined;
getVariableBoolean(featureKey: FeatureKey | Feature, variableKey: string, context?: Context): boolean | undefined;
getVariableString(featureKey: FeatureKey | Feature, variableKey: string, context?: Context): string | undefined;
getVariableInteger(featureKey: FeatureKey | Feature, variableKey: string, context?: Context): number | undefined;
getVariableDouble(featureKey: FeatureKey | Feature, variableKey: string, context?: Context): number | undefined;
getVariableArray(featureKey: FeatureKey | Feature, variableKey: string, context?: Context): string[] | undefined;
getVariableObject<T>(featureKey: FeatureKey | Feature, variableKey: string, context?: Context): T | undefined;
getVariableJSON<T>(featureKey: FeatureKey | Feature, variableKey: string, context?: Context): T | undefined;
}
export declare function createInstance(options: InstanceOptions): FeaturevisorInstance;
export {};

166

lib/instance.js

@@ -71,3 +71,3 @@ import { createLogger } from "./logger";

this.initialFeatures = options.initialFeatures;
this.interceptAttributes = options.interceptAttributes;
this.interceptContext = options.interceptContext;
this.logger = options.logger || createLogger();

@@ -152,3 +152,3 @@ this.refreshInterval = options.refreshInterval;

*/
FeaturevisorInstance.prototype.getBucketKey = function (feature, attributes) {
FeaturevisorInstance.prototype.getBucketKey = function (feature, context) {
var featureKey = feature.key;

@@ -175,3 +175,3 @@ var type;

attributeKeys.forEach(function (attributeKey) {
var attributeValue = attributes[attributeKey];
var attributeValue = context[attributeKey];
if (typeof attributeValue === "undefined") {

@@ -193,11 +193,11 @@ return;

if (this.configureBucketKey) {
return this.configureBucketKey(feature, attributes, result);
return this.configureBucketKey(feature, context, result);
}
return result;
};
FeaturevisorInstance.prototype.getBucketValue = function (feature, attributes) {
var bucketKey = this.getBucketKey(feature, attributes);
FeaturevisorInstance.prototype.getBucketValue = function (feature, context) {
var bucketKey = this.getBucketKey(feature, context);
var value = getBucketedNumber(bucketKey);
if (this.configureBucketValue) {
return this.configureBucketValue(feature, attributes, value);
return this.configureBucketValue(feature, context, value);
}

@@ -267,4 +267,4 @@ return value;

*/
FeaturevisorInstance.prototype.evaluateVariation = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
FeaturevisorInstance.prototype.evaluateVariation = function (featureKey, context) {
if (context === void 0) { context = {}; }
var evaluation;

@@ -311,7 +311,5 @@ try {

}
var finalAttributes = this.interceptAttributes
? this.interceptAttributes(attributes)
: attributes;
var finalContext = this.interceptContext ? this.interceptContext(context) : context;
// forced
var force_1 = findForceFromFeature(feature_1, attributes, this.datafileReader);
var force_1 = findForceFromFeature(feature_1, context, this.datafileReader);
if (force_1 && force_1.variation) {

@@ -330,4 +328,4 @@ var variation_1 = feature_1.variations.find(function (v) { return v.value === force_1.variation; });

// bucketing
var bucketValue = this.getBucketValue(feature_1, finalAttributes);
var _a = getMatchedTrafficAndAllocation(feature_1.traffic, finalAttributes, bucketValue, this.datafileReader, this.logger), matchedTraffic_1 = _a.matchedTraffic, matchedAllocation_1 = _a.matchedAllocation;
var bucketValue = this.getBucketValue(feature_1, finalContext);
var _a = getMatchedTrafficAndAllocation(feature_1.traffic, finalContext, bucketValue, this.datafileReader, this.logger), matchedTraffic_1 = _a.matchedTraffic, matchedAllocation_1 = _a.matchedAllocation;
if (matchedTraffic_1) {

@@ -394,6 +392,6 @@ // override from rule

};
FeaturevisorInstance.prototype.getVariation = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
FeaturevisorInstance.prototype.getVariation = function (featureKey, context) {
if (context === void 0) { context = {}; }
try {
var evaluation = this.evaluateVariation(featureKey, attributes);
var evaluation = this.evaluateVariation(featureKey, context);
if (typeof evaluation.variationValue !== "undefined") {

@@ -412,20 +410,20 @@ return evaluation.variationValue;

};
FeaturevisorInstance.prototype.getVariationBoolean = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variationValue = this.getVariation(featureKey, attributes);
FeaturevisorInstance.prototype.getVariationBoolean = function (featureKey, context) {
if (context === void 0) { context = {}; }
var variationValue = this.getVariation(featureKey, context);
return getValueByType(variationValue, "boolean");
};
FeaturevisorInstance.prototype.getVariationString = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variationValue = this.getVariation(featureKey, attributes);
FeaturevisorInstance.prototype.getVariationString = function (featureKey, context) {
if (context === void 0) { context = {}; }
var variationValue = this.getVariation(featureKey, context);
return getValueByType(variationValue, "string");
};
FeaturevisorInstance.prototype.getVariationInteger = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variationValue = this.getVariation(featureKey, attributes);
FeaturevisorInstance.prototype.getVariationInteger = function (featureKey, context) {
if (context === void 0) { context = {}; }
var variationValue = this.getVariation(featureKey, context);
return getValueByType(variationValue, "integer");
};
FeaturevisorInstance.prototype.getVariationDouble = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variationValue = this.getVariation(featureKey, attributes);
FeaturevisorInstance.prototype.getVariationDouble = function (featureKey, context) {
if (context === void 0) { context = {}; }
var variationValue = this.getVariation(featureKey, context);
return getValueByType(variationValue, "double");

@@ -436,6 +434,6 @@ };

*/
FeaturevisorInstance.prototype.activate = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
FeaturevisorInstance.prototype.activate = function (featureKey, context) {
if (context === void 0) { context = {}; }
try {
var evaluation = this.evaluateVariation(featureKey, attributes);
var evaluation = this.evaluateVariation(featureKey, context);
var variationValue = evaluation.variation

@@ -447,6 +445,4 @@ ? evaluation.variation.value

}
var finalAttributes_1 = this.interceptAttributes
? this.interceptAttributes(attributes)
: attributes;
var captureAttributes_1 = {};
var finalContext_1 = this.interceptContext ? this.interceptContext(context) : context;
var captureContext_1 = {};
var attributesForCapturing = this.datafileReader

@@ -456,7 +452,7 @@ .getAllAttributes()

attributesForCapturing.forEach(function (a) {
if (typeof finalAttributes_1[a.key] !== "undefined") {
captureAttributes_1[a.key] = attributes[a.key];
if (typeof finalContext_1[a.key] !== "undefined") {
captureContext_1[a.key] = context[a.key];
}
});
this.emitter.emit("activation", featureKey, variationValue, finalAttributes_1, captureAttributes_1, evaluation);
this.emitter.emit("activation", featureKey, variationValue, finalContext_1, captureContext_1, evaluation);
return variationValue;

@@ -469,20 +465,20 @@ }

};
FeaturevisorInstance.prototype.activateBoolean = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variationValue = this.activate(featureKey, attributes);
FeaturevisorInstance.prototype.activateBoolean = function (featureKey, context) {
if (context === void 0) { context = {}; }
var variationValue = this.activate(featureKey, context);
return getValueByType(variationValue, "boolean");
};
FeaturevisorInstance.prototype.activateString = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variationValue = this.activate(featureKey, attributes);
FeaturevisorInstance.prototype.activateString = function (featureKey, context) {
if (context === void 0) { context = {}; }
var variationValue = this.activate(featureKey, context);
return getValueByType(variationValue, "string");
};
FeaturevisorInstance.prototype.activateInteger = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variationValue = this.activate(featureKey, attributes);
FeaturevisorInstance.prototype.activateInteger = function (featureKey, context) {
if (context === void 0) { context = {}; }
var variationValue = this.activate(featureKey, context);
return getValueByType(variationValue, "integer");
};
FeaturevisorInstance.prototype.activateDouble = function (featureKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variationValue = this.activate(featureKey, attributes);
FeaturevisorInstance.prototype.activateDouble = function (featureKey, context) {
if (context === void 0) { context = {}; }
var variationValue = this.activate(featureKey, context);
return getValueByType(variationValue, "double");

@@ -493,5 +489,5 @@ };

*/
FeaturevisorInstance.prototype.evaluateVariable = function (featureKey, variableKey, attributes) {
FeaturevisorInstance.prototype.evaluateVariable = function (featureKey, variableKey, context) {
var _this = this;
if (attributes === void 0) { attributes = {}; }
if (context === void 0) { context = {}; }
var evaluation;

@@ -554,7 +550,5 @@ try {

}
var finalAttributes_2 = this.interceptAttributes
? this.interceptAttributes(attributes)
: attributes;
var finalContext_2 = this.interceptContext ? this.interceptContext(context) : context;
// forced
var force = findForceFromFeature(feature, attributes, this.datafileReader);
var force = findForceFromFeature(feature, context, this.datafileReader);
if (force && force.variables && typeof force.variables[variableKey] !== "undefined") {

@@ -572,4 +566,4 @@ evaluation = {

// bucketing
var bucketValue = this.getBucketValue(feature, finalAttributes_2);
var _a = getMatchedTrafficAndAllocation(feature.traffic, finalAttributes_2, bucketValue, this.datafileReader, this.logger), matchedTraffic = _a.matchedTraffic, matchedAllocation_2 = _a.matchedAllocation;
var bucketValue = this.getBucketValue(feature, finalContext_2);
var _a = getMatchedTrafficAndAllocation(feature.traffic, finalContext_2, bucketValue, this.datafileReader, this.logger), matchedTraffic = _a.matchedTraffic, matchedAllocation_2 = _a.matchedAllocation;
if (matchedTraffic) {

@@ -600,3 +594,3 @@ // override from rule

if (o.conditions) {
return allConditionsAreMatched(typeof o.conditions === "string" ? JSON.parse(o.conditions) : o.conditions, finalAttributes_2);
return allConditionsAreMatched(typeof o.conditions === "string" ? JSON.parse(o.conditions) : o.conditions, finalContext_2);
}

@@ -606,3 +600,3 @@ if (o.segments) {

? JSON.parse(o.segments)
: o.segments, finalAttributes_2, _this.datafileReader);
: o.segments, finalContext_2, _this.datafileReader);
}

@@ -664,6 +658,6 @@ return false;

};
FeaturevisorInstance.prototype.getVariable = function (featureKey, variableKey, attributes) {
if (attributes === void 0) { attributes = {}; }
FeaturevisorInstance.prototype.getVariable = function (featureKey, variableKey, context) {
if (context === void 0) { context = {}; }
try {
var evaluation = this.evaluateVariable(featureKey, variableKey, attributes);
var evaluation = this.evaluateVariable(featureKey, variableKey, context);
if (typeof evaluation.variableValue !== "undefined") {

@@ -684,35 +678,35 @@ if (evaluation.variableSchema &&

};
FeaturevisorInstance.prototype.getVariableBoolean = function (featureKey, variableKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variableValue = this.getVariable(featureKey, variableKey, attributes);
FeaturevisorInstance.prototype.getVariableBoolean = function (featureKey, variableKey, context) {
if (context === void 0) { context = {}; }
var variableValue = this.getVariable(featureKey, variableKey, context);
return getValueByType(variableValue, "boolean");
};
FeaturevisorInstance.prototype.getVariableString = function (featureKey, variableKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variableValue = this.getVariable(featureKey, variableKey, attributes);
FeaturevisorInstance.prototype.getVariableString = function (featureKey, variableKey, context) {
if (context === void 0) { context = {}; }
var variableValue = this.getVariable(featureKey, variableKey, context);
return getValueByType(variableValue, "string");
};
FeaturevisorInstance.prototype.getVariableInteger = function (featureKey, variableKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variableValue = this.getVariable(featureKey, variableKey, attributes);
FeaturevisorInstance.prototype.getVariableInteger = function (featureKey, variableKey, context) {
if (context === void 0) { context = {}; }
var variableValue = this.getVariable(featureKey, variableKey, context);
return getValueByType(variableValue, "integer");
};
FeaturevisorInstance.prototype.getVariableDouble = function (featureKey, variableKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variableValue = this.getVariable(featureKey, variableKey, attributes);
FeaturevisorInstance.prototype.getVariableDouble = function (featureKey, variableKey, context) {
if (context === void 0) { context = {}; }
var variableValue = this.getVariable(featureKey, variableKey, context);
return getValueByType(variableValue, "double");
};
FeaturevisorInstance.prototype.getVariableArray = function (featureKey, variableKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variableValue = this.getVariable(featureKey, variableKey, attributes);
FeaturevisorInstance.prototype.getVariableArray = function (featureKey, variableKey, context) {
if (context === void 0) { context = {}; }
var variableValue = this.getVariable(featureKey, variableKey, context);
return getValueByType(variableValue, "array");
};
FeaturevisorInstance.prototype.getVariableObject = function (featureKey, variableKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variableValue = this.getVariable(featureKey, variableKey, attributes);
FeaturevisorInstance.prototype.getVariableObject = function (featureKey, variableKey, context) {
if (context === void 0) { context = {}; }
var variableValue = this.getVariable(featureKey, variableKey, context);
return getValueByType(variableValue, "object");
};
FeaturevisorInstance.prototype.getVariableJSON = function (featureKey, variableKey, attributes) {
if (attributes === void 0) { attributes = {}; }
var variableValue = this.getVariable(featureKey, variableKey, attributes);
FeaturevisorInstance.prototype.getVariableJSON = function (featureKey, variableKey, context) {
if (context === void 0) { context = {}; }
var variableValue = this.getVariable(featureKey, variableKey, context);
return getValueByType(variableValue, "json");

@@ -719,0 +713,0 @@ };

6

lib/segments.d.ts

@@ -1,4 +0,4 @@

import { Attributes, GroupSegment, Segment } from "@featurevisor/types";
import { Context, GroupSegment, Segment } from "@featurevisor/types";
import { DatafileReader } from "./datafileReader";
export declare function segmentIsMatched(segment: Segment, attributes: Attributes): boolean;
export declare function allGroupSegmentsAreMatched(groupSegments: GroupSegment | GroupSegment[] | "*", attributes: Attributes, datafileReader: DatafileReader): boolean;
export declare function segmentIsMatched(segment: Segment, context: Context): boolean;
export declare function allGroupSegmentsAreMatched(groupSegments: GroupSegment | GroupSegment[] | "*", context: Context, datafileReader: DatafileReader): boolean;

16

lib/segments.js
import { allConditionsAreMatched } from "./conditions";
export function segmentIsMatched(segment, attributes) {
return allConditionsAreMatched(segment.conditions, attributes);
export function segmentIsMatched(segment, context) {
return allConditionsAreMatched(segment.conditions, context);
}
export function allGroupSegmentsAreMatched(groupSegments, attributes, datafileReader) {
export function allGroupSegmentsAreMatched(groupSegments, context, datafileReader) {
if (groupSegments === "*") {

@@ -12,3 +12,3 @@ return true;

if (segment) {
return segmentIsMatched(segment, attributes);
return segmentIsMatched(segment, context);
}

@@ -20,3 +20,3 @@ return false;

return groupSegments.and.every(function (groupSegment) {
return allGroupSegmentsAreMatched(groupSegment, attributes, datafileReader);
return allGroupSegmentsAreMatched(groupSegment, context, datafileReader);
});

@@ -26,3 +26,3 @@ }

return groupSegments.or.some(function (groupSegment) {
return allGroupSegmentsAreMatched(groupSegment, attributes, datafileReader);
return allGroupSegmentsAreMatched(groupSegment, context, datafileReader);
});

@@ -32,3 +32,3 @@ }

return groupSegments.not.every(function (groupSegment) {
return allGroupSegmentsAreMatched(groupSegment, attributes, datafileReader) === false;
return allGroupSegmentsAreMatched(groupSegment, context, datafileReader) === false;
});

@@ -39,3 +39,3 @@ }

return groupSegments.every(function (groupSegment) {
return allGroupSegmentsAreMatched(groupSegment, attributes, datafileReader);
return allGroupSegmentsAreMatched(groupSegment, context, datafileReader);
});

@@ -42,0 +42,0 @@ }

6

package.json
{
"name": "@featurevisor/sdk",
"version": "0.36.0",
"version": "0.37.0",
"description": "Featurevisor SDK for Node.js and the browser",

@@ -45,7 +45,7 @@ "main": "dist/index.js",

"dependencies": {
"@featurevisor/types": "^0.36.0",
"@featurevisor/types": "^0.37.0",
"compare-versions": "^6.0.0-rc.1",
"murmurhash": "^2.0.1"
},
"gitHead": "a8591d17d227b56f93cb59d13de7fce4d20b2890"
"gitHead": "1944f2ea8e86d07c7031720cd0b407bea547d0cb"
}

28

README.md

@@ -17,3 +17,3 @@ # @featurevisor/sdk <!-- omit in toc -->

- [`initialFeatures`](#initialfeatures)
- [`interceptAttributes`](#interceptattributes)
- [`interceptContext`](#interceptcontext)
- [`logger`](#logger)

@@ -74,3 +74,3 @@ - [`onActivation`](#onactivation)

const sdk = createInstance({
configureBucketKey: (feature, attributes, bucketKey) => {
configureBucketKey: (feature, context, bucketKey) => {
return bucketKey;

@@ -90,3 +90,3 @@ }

const sdk = createInstance({
configureBucketValue: (feature, attributes, bucketValue) => {
configureBucketValue: (feature, context, bucketValue) => {
return bucketValue; // 0 to 100,000

@@ -149,3 +149,3 @@ }

### `interceptAttributes`
### `interceptContext`

@@ -155,6 +155,6 @@ - Type: `function`

Intercept given attributes before they are used to bucket the user:
Intercept given context before they are used to bucket the user:
```js
const defaultAttributes = {
const defaultContext = {
platform: "web",

@@ -168,6 +168,6 @@ locale: "en-US",

const sdk = createInstance({
interceptAttributes: (attributes) => {
interceptContext: (context) => {
return {
...defaultAttributes,
...attributes,
...defaultContext,
...context,
};

@@ -207,3 +207,3 @@ }

const sdk = createInstance({
onActivation: (featureKey, variation, attributes, captureAttributes) => {
onActivation: (featureKey, variation, context, captureContext) => {
// do something with the activated feature

@@ -214,3 +214,3 @@ }

`captureAttributes` will only contain attributes that are marked as `capture: true` in the Attributes' YAML files.
`captureContext` will only contain attributes that are marked as `capture: true` in the Attributes' YAML files.

@@ -307,3 +307,3 @@ ### `onReady`

> `getVariation(featureKey: string, attributes: Attributes): VariationValue`
> `getVariation(featureKey: string, context: Context): VariationValue`

@@ -319,3 +319,3 @@ Also supports additional type specific methods:

> `getVariable(featureKey: string, variableKey: string, attributes: Attributes): VariableValue`
> `getVariable(featureKey: string, variableKey: string, context: Context): VariableValue`

@@ -334,3 +334,3 @@ Also supports additional type specific methods:

> `activate(featureKey: string, attributes: Attributes): VariationValue`
> `activate(featureKey: string, context: Context): VariationValue`

@@ -337,0 +337,0 @@ Same as `getVariation`, but also calls the `onActivation` callback.

74

src/conditions.ts
import { compareVersions } from "compare-versions";
import { Attributes, Condition, PlainCondition } from "@featurevisor/types";
import { Context, Condition, PlainCondition } from "@featurevisor/types";
export function conditionIsMatched(condition: PlainCondition, attributes: Attributes): boolean {
export function conditionIsMatched(condition: PlainCondition, context: Context): boolean {
const { attribute, operator, value } = condition;
if (operator === "equals") {
return attributes[attribute] === value;
return context[attribute] === value;
} else if (operator === "notEquals") {
return attributes[attribute] !== value;
return context[attribute] !== value;
} else if (operator === "before" || operator === "after") {
// date comparisons
const valueInAttributes = attributes[attribute] as string | Date;
const valueInContext = context[attribute] as string | Date;
const dateInAttributes =
valueInAttributes instanceof Date ? valueInAttributes : new Date(valueInAttributes);
const dateInContext =
valueInContext instanceof Date ? valueInContext : new Date(valueInContext);
const dateInCondition = value instanceof Date ? value : new Date(value as string);
return operator === "before"
? dateInAttributes < dateInCondition
: dateInAttributes > dateInCondition;
} else if (typeof attributes[attribute] === "string" && Array.isArray(value)) {
? dateInContext < dateInCondition
: dateInContext > dateInCondition;
} else if (typeof context[attribute] === "string" && Array.isArray(value)) {
// array
const valueInAttributes = attributes[attribute] as string;
const valueInContext = context[attribute] as string;
if (operator === "in") {
return value.indexOf(valueInAttributes) !== -1;
return value.indexOf(valueInContext) !== -1;
} else if (operator === "notIn") {
return value.indexOf(valueInAttributes) === -1;
return value.indexOf(valueInContext) === -1;
}
} else if (typeof attributes[attribute] === "string" && typeof value === "string") {
} else if (typeof context[attribute] === "string" && typeof value === "string") {
// string
const valueInAttributes = attributes[attribute] as string;
const valueInContext = context[attribute] as string;
if (operator === "contains") {
return valueInAttributes.indexOf(value) !== -1;
return valueInContext.indexOf(value) !== -1;
} else if (operator === "notContains") {
return valueInAttributes.indexOf(value) === -1;
return valueInContext.indexOf(value) === -1;
} else if (operator === "startsWith") {
return valueInAttributes.startsWith(value);
return valueInContext.startsWith(value);
} else if (operator === "endsWith") {
return valueInAttributes.endsWith(value);
return valueInContext.endsWith(value);
} else if (operator === "semverEquals") {
return compareVersions(valueInAttributes, value) === 0;
return compareVersions(valueInContext, value) === 0;
} else if (operator === "semverNotEquals") {
return compareVersions(valueInAttributes, value) !== 0;
return compareVersions(valueInContext, value) !== 0;
} else if (operator === "semverGreaterThan") {
return compareVersions(valueInAttributes, value) === 1;
return compareVersions(valueInContext, value) === 1;
} else if (operator === "semverGreaterThanOrEquals") {
return compareVersions(valueInAttributes, value) >= 0;
return compareVersions(valueInContext, value) >= 0;
} else if (operator === "semverLessThan") {
return compareVersions(valueInAttributes, value) === -1;
return compareVersions(valueInContext, value) === -1;
} else if (operator === "semverLessThanOrEquals") {
return compareVersions(valueInAttributes, value) <= 0;
return compareVersions(valueInContext, value) <= 0;
}
} else if (typeof attributes[attribute] === "number" && typeof value === "number") {
} else if (typeof context[attribute] === "number" && typeof value === "number") {
// numeric
const valueInAttributes = attributes[attribute] as number;
const valueInContext = context[attribute] as number;
if (operator === "greaterThan") {
return valueInAttributes > value;
return valueInContext > value;
} else if (operator === "greaterThanOrEquals") {
return valueInAttributes >= value;
return valueInContext >= value;
} else if (operator === "lessThan") {
return valueInAttributes < value;
return valueInContext < value;
} else if (operator === "lessThanOrEquals") {
return valueInAttributes <= value;
return valueInContext <= value;
}

@@ -77,14 +77,14 @@ }

conditions: Condition[] | Condition,
attributes: Attributes,
context: Context,
): boolean {
if ("attribute" in conditions) {
return conditionIsMatched(conditions, attributes);
return conditionIsMatched(conditions, context);
}
if ("and" in conditions && Array.isArray(conditions.and)) {
return conditions.and.every((c) => allConditionsAreMatched(c, attributes));
return conditions.and.every((c) => allConditionsAreMatched(c, context));
}
if ("or" in conditions && Array.isArray(conditions.or)) {
return conditions.or.some((c) => allConditionsAreMatched(c, attributes));
return conditions.or.some((c) => allConditionsAreMatched(c, context));
}

@@ -99,3 +99,3 @@

},
attributes,
context,
) === false,

@@ -106,3 +106,3 @@ );

if (Array.isArray(conditions)) {
return conditions.every((c) => allConditionsAreMatched(c, attributes));
return conditions.every((c) => allConditionsAreMatched(c, context));
}

@@ -109,0 +109,0 @@

12

src/feature.ts

@@ -1,2 +0,2 @@

import { Allocation, Attributes, Traffic, Feature, Force } from "@featurevisor/types";
import { Allocation, Context, Traffic, Feature, Force } from "@featurevisor/types";
import { DatafileReader } from "./datafileReader";

@@ -29,3 +29,3 @@ import { allGroupSegmentsAreMatched } from "./segments";

traffic: Traffic[],
attributes: Attributes,
context: Context,
bucketValue: number,

@@ -41,3 +41,3 @@ datafileReader: DatafileReader,

typeof t.segments === "string" && t.segments !== "*" ? JSON.parse(t.segments) : t.segments,
attributes,
context,
datafileReader,

@@ -66,3 +66,3 @@ )

feature: Feature,
attributes: Attributes,
context: Context,
datafileReader: DatafileReader,

@@ -76,7 +76,7 @@ ): Force | undefined {

if (f.conditions) {
return allConditionsAreMatched(f.conditions, attributes);
return allConditionsAreMatched(f.conditions, context);
}
if (f.segments) {
return allGroupSegmentsAreMatched(f.segments, attributes, datafileReader);
return allGroupSegmentsAreMatched(f.segments, context, datafileReader);
}

@@ -83,0 +83,0 @@

12

src/instance.spec.ts

@@ -76,3 +76,3 @@ import { DatafileContent } from "@featurevisor/types";

},
configureBucketKey: function (feature, attributes, bucketKey) {
configureBucketKey: function (feature, context, bucketKey) {
capturedBucketKey = bucketKey;

@@ -121,3 +121,3 @@

},
configureBucketKey: function (feature, attributes, bucketKey) {
configureBucketKey: function (feature, context, bucketKey) {
capturedBucketKey = bucketKey;

@@ -167,3 +167,3 @@

},
configureBucketKey: function (feature, attributes, bucketKey) {
configureBucketKey: function (feature, context, bucketKey) {
capturedBucketKey = bucketKey;

@@ -191,3 +191,3 @@

it("should intercept attributes", function () {
it("should intercept context", function () {
let intercepted = false;

@@ -221,7 +221,7 @@

},
interceptAttributes: function (attributes) {
interceptContext: function (context) {
intercepted = true;
return {
...attributes,
...context,
};

@@ -228,0 +228,0 @@ },

153

src/instance.ts
import {
Attributes,
Context,
AttributeValue,

@@ -34,9 +34,9 @@ BucketKey,

variation: VariationValue,
attributes: Attributes,
captureAttributes: Attributes,
context: Context,
captureContext: Context,
) => void;
export type ConfigureBucketKey = (feature, attributes, bucketKey: BucketKey) => BucketKey;
export type ConfigureBucketKey = (feature, context, bucketKey: BucketKey) => BucketKey;
export type ConfigureBucketValue = (feature, attributes, bucketValue: BucketValue) => BucketValue;
export type ConfigureBucketValue = (feature, context, bucketValue: BucketValue) => BucketValue;

@@ -50,2 +50,4 @@ export interface Statuses {

export type InterceptContext = (context: Context) => Context;
export interface InstanceOptions {

@@ -59,3 +61,3 @@ bucketKeySeparator?: string;

initialFeatures?: InitialFeatures;
interceptAttributes?: (attributes: Attributes) => Attributes;
interceptContext?: InterceptContext;
logger?: Logger;

@@ -162,3 +164,3 @@ onActivation?: ActivationCallback;

private initialFeatures?: InitialFeatures;
private interceptAttributes?: (attributes: Attributes) => Attributes;
private interceptContext?: InterceptContext;
private logger: Logger;

@@ -189,3 +191,3 @@ private refreshInterval?: number; // seconds

this.initialFeatures = options.initialFeatures;
this.interceptAttributes = options.interceptAttributes;
this.interceptContext = options.interceptContext;
this.logger = options.logger || createLogger();

@@ -289,3 +291,3 @@ this.refreshInterval = options.refreshInterval;

*/
private getBucketKey(feature: Feature, attributes: Attributes): BucketKey {
private getBucketKey(feature: Feature, context: Context): BucketKey {
const featureKey = feature.key;

@@ -314,3 +316,3 @@

attributeKeys.forEach((attributeKey) => {
const attributeValue = attributes[attributeKey];
const attributeValue = context[attributeKey];

@@ -336,3 +338,3 @@ if (typeof attributeValue === "undefined") {

if (this.configureBucketKey) {
return this.configureBucketKey(feature, attributes, result);
return this.configureBucketKey(feature, context, result);
}

@@ -343,4 +345,4 @@

private getBucketValue(feature: Feature, attributes: Attributes): BucketValue {
const bucketKey = this.getBucketKey(feature, attributes);
private getBucketValue(feature: Feature, context: Context): BucketValue {
const bucketKey = this.getBucketKey(feature, context);

@@ -350,3 +352,3 @@ const value = getBucketedNumber(bucketKey);

if (this.configureBucketValue) {
return this.configureBucketValue(feature, attributes, value);
return this.configureBucketValue(feature, context, value);
}

@@ -432,3 +434,3 @@

*/
evaluateVariation(featureKey: FeatureKey | Feature, attributes: Attributes = {}): Evaluation {
evaluateVariation(featureKey: FeatureKey | Feature, context: Context = {}): Evaluation {
let evaluation: Evaluation;

@@ -491,8 +493,6 @@

const finalAttributes = this.interceptAttributes
? this.interceptAttributes(attributes)
: attributes;
const finalContext = this.interceptContext ? this.interceptContext(context) : context;
// forced
const force = findForceFromFeature(feature, attributes, this.datafileReader);
const force = findForceFromFeature(feature, context, this.datafileReader);

@@ -516,7 +516,7 @@ if (force && force.variation) {

// bucketing
const bucketValue = this.getBucketValue(feature, finalAttributes);
const bucketValue = this.getBucketValue(feature, finalContext);
const { matchedTraffic, matchedAllocation } = getMatchedTrafficAndAllocation(
feature.traffic,
finalAttributes,
finalContext,
bucketValue,

@@ -605,6 +605,6 @@ this.datafileReader,

featureKey: FeatureKey | Feature,
attributes: Attributes = {},
context: Context = {},
): VariationValue | undefined {
try {
const evaluation = this.evaluateVariation(featureKey, attributes);
const evaluation = this.evaluateVariation(featureKey, context);

@@ -629,5 +629,5 @@ if (typeof evaluation.variationValue !== "undefined") {

featureKey: FeatureKey | Feature,
attributes: Attributes = {},
context: Context = {},
): boolean | undefined {
const variationValue = this.getVariation(featureKey, attributes);
const variationValue = this.getVariation(featureKey, context);

@@ -637,7 +637,4 @@ return getValueByType(variationValue, "boolean") as boolean | undefined;

getVariationString(
featureKey: FeatureKey | Feature,
attributes: Attributes = {},
): string | undefined {
const variationValue = this.getVariation(featureKey, attributes);
getVariationString(featureKey: FeatureKey | Feature, context: Context = {}): string | undefined {
const variationValue = this.getVariation(featureKey, context);

@@ -647,7 +644,4 @@ return getValueByType(variationValue, "string") as string | undefined;

getVariationInteger(
featureKey: FeatureKey | Feature,
attributes: Attributes = {},
): number | undefined {
const variationValue = this.getVariation(featureKey, attributes);
getVariationInteger(featureKey: FeatureKey | Feature, context: Context = {}): number | undefined {
const variationValue = this.getVariation(featureKey, context);

@@ -657,7 +651,4 @@ return getValueByType(variationValue, "integer") as number | undefined;

getVariationDouble(
featureKey: FeatureKey | Feature,
attributes: Attributes = {},
): number | undefined {
const variationValue = this.getVariation(featureKey, attributes);
getVariationDouble(featureKey: FeatureKey | Feature, context: Context = {}): number | undefined {
const variationValue = this.getVariation(featureKey, context);

@@ -670,5 +661,5 @@ return getValueByType(variationValue, "double") as number | undefined;

*/
activate(featureKey: FeatureKey, attributes: Attributes = {}): VariationValue | undefined {
activate(featureKey: FeatureKey, context: Context = {}): VariationValue | undefined {
try {
const evaluation = this.evaluateVariation(featureKey, attributes);
const evaluation = this.evaluateVariation(featureKey, context);
const variationValue = evaluation.variation

@@ -682,7 +673,5 @@ ? evaluation.variation.value

const finalAttributes = this.interceptAttributes
? this.interceptAttributes(attributes)
: attributes;
const finalContext = this.interceptContext ? this.interceptContext(context) : context;
const captureAttributes: Attributes = {};
const captureContext: Context = {};

@@ -694,4 +683,4 @@ const attributesForCapturing = this.datafileReader

attributesForCapturing.forEach((a) => {
if (typeof finalAttributes[a.key] !== "undefined") {
captureAttributes[a.key] = attributes[a.key];
if (typeof finalContext[a.key] !== "undefined") {
captureContext[a.key] = context[a.key];
}

@@ -704,4 +693,4 @@ });

variationValue,
finalAttributes,
captureAttributes,
finalContext,
captureContext,
evaluation,

@@ -718,4 +707,4 @@ );

activateBoolean(featureKey: FeatureKey, attributes: Attributes = {}): boolean | undefined {
const variationValue = this.activate(featureKey, attributes);
activateBoolean(featureKey: FeatureKey, context: Context = {}): boolean | undefined {
const variationValue = this.activate(featureKey, context);

@@ -725,4 +714,4 @@ return getValueByType(variationValue, "boolean") as boolean | undefined;

activateString(featureKey: FeatureKey, attributes: Attributes = {}): string | undefined {
const variationValue = this.activate(featureKey, attributes);
activateString(featureKey: FeatureKey, context: Context = {}): string | undefined {
const variationValue = this.activate(featureKey, context);

@@ -732,4 +721,4 @@ return getValueByType(variationValue, "string") as string | undefined;

activateInteger(featureKey: FeatureKey, attributes: Attributes = {}): number | undefined {
const variationValue = this.activate(featureKey, attributes);
activateInteger(featureKey: FeatureKey, context: Context = {}): number | undefined {
const variationValue = this.activate(featureKey, context);

@@ -739,4 +728,4 @@ return getValueByType(variationValue, "integer") as number | undefined;

activateDouble(featureKey: FeatureKey, attributes: Attributes = {}): number | undefined {
const variationValue = this.activate(featureKey, attributes);
activateDouble(featureKey: FeatureKey, context: Context = {}): number | undefined {
const variationValue = this.activate(featureKey, context);

@@ -752,3 +741,3 @@ return getValueByType(variationValue, "double") as number | undefined;

variableKey: VariableKey,
attributes: Attributes = {},
context: Context = {},
): Evaluation {

@@ -831,8 +820,6 @@ let evaluation: Evaluation;

const finalAttributes = this.interceptAttributes
? this.interceptAttributes(attributes)
: attributes;
const finalContext = this.interceptContext ? this.interceptContext(context) : context;
// forced
const force = findForceFromFeature(feature, attributes, this.datafileReader);
const force = findForceFromFeature(feature, context, this.datafileReader);

@@ -854,7 +841,7 @@ if (force && force.variables && typeof force.variables[variableKey] !== "undefined") {

// bucketing
const bucketValue = this.getBucketValue(feature, finalAttributes);
const bucketValue = this.getBucketValue(feature, finalContext);
const { matchedTraffic, matchedAllocation } = getMatchedTrafficAndAllocation(
feature.traffic,
finalAttributes,
finalContext,
bucketValue,

@@ -899,3 +886,3 @@ this.datafileReader,

typeof o.conditions === "string" ? JSON.parse(o.conditions) : o.conditions,
finalAttributes,
finalContext,
);

@@ -909,3 +896,3 @@ }

: o.segments,
finalAttributes,
finalContext,
this.datafileReader,

@@ -983,6 +970,6 @@ );

variableKey: string,
attributes: Attributes = {},
context: Context = {},
): VariableValue | undefined {
try {
const evaluation = this.evaluateVariable(featureKey, variableKey, attributes);
const evaluation = this.evaluateVariable(featureKey, variableKey, context);

@@ -1012,5 +999,5 @@ if (typeof evaluation.variableValue !== "undefined") {

variableKey: string,
attributes: Attributes = {},
context: Context = {},
): boolean | undefined {
const variableValue = this.getVariable(featureKey, variableKey, attributes);
const variableValue = this.getVariable(featureKey, variableKey, context);

@@ -1023,5 +1010,5 @@ return getValueByType(variableValue, "boolean") as boolean | undefined;

variableKey: string,
attributes: Attributes = {},
context: Context = {},
): string | undefined {
const variableValue = this.getVariable(featureKey, variableKey, attributes);
const variableValue = this.getVariable(featureKey, variableKey, context);

@@ -1034,5 +1021,5 @@ return getValueByType(variableValue, "string") as string | undefined;

variableKey: string,
attributes: Attributes = {},
context: Context = {},
): number | undefined {
const variableValue = this.getVariable(featureKey, variableKey, attributes);
const variableValue = this.getVariable(featureKey, variableKey, context);

@@ -1045,5 +1032,5 @@ return getValueByType(variableValue, "integer") as number | undefined;

variableKey: string,
attributes: Attributes = {},
context: Context = {},
): number | undefined {
const variableValue = this.getVariable(featureKey, variableKey, attributes);
const variableValue = this.getVariable(featureKey, variableKey, context);

@@ -1056,5 +1043,5 @@ return getValueByType(variableValue, "double") as number | undefined;

variableKey: string,
attributes: Attributes = {},
context: Context = {},
): string[] | undefined {
const variableValue = this.getVariable(featureKey, variableKey, attributes);
const variableValue = this.getVariable(featureKey, variableKey, context);

@@ -1067,5 +1054,5 @@ return getValueByType(variableValue, "array") as string[] | undefined;

variableKey: string,
attributes: Attributes = {},
context: Context = {},
): T | undefined {
const variableValue = this.getVariable(featureKey, variableKey, attributes);
const variableValue = this.getVariable(featureKey, variableKey, context);

@@ -1078,5 +1065,5 @@ return getValueByType(variableValue, "object") as T | undefined;

variableKey: string,
attributes: Attributes = {},
context: Context = {},
): T | undefined {
const variableValue = this.getVariable(featureKey, variableKey, attributes);
const variableValue = this.getVariable(featureKey, variableKey, context);

@@ -1083,0 +1070,0 @@ return getValueByType(variableValue, "json") as T | undefined;

18

src/segments.ts

@@ -1,7 +0,7 @@

import { Attributes, GroupSegment, Segment, Condition } from "@featurevisor/types";
import { Context, GroupSegment, Segment, Condition } from "@featurevisor/types";
import { allConditionsAreMatched } from "./conditions";
import { DatafileReader } from "./datafileReader";
export function segmentIsMatched(segment: Segment, attributes: Attributes): boolean {
return allConditionsAreMatched(segment.conditions as Condition | Condition[], attributes);
export function segmentIsMatched(segment: Segment, context: Context): boolean {
return allConditionsAreMatched(segment.conditions as Condition | Condition[], context);
}

@@ -11,3 +11,3 @@

groupSegments: GroupSegment | GroupSegment[] | "*",
attributes: Attributes,
context: Context,
datafileReader: DatafileReader,

@@ -23,3 +23,3 @@ ): boolean {

if (segment) {
return segmentIsMatched(segment, attributes);
return segmentIsMatched(segment, context);
}

@@ -33,3 +33,3 @@

return groupSegments.and.every((groupSegment) =>
allGroupSegmentsAreMatched(groupSegment, attributes, datafileReader),
allGroupSegmentsAreMatched(groupSegment, context, datafileReader),
);

@@ -40,3 +40,3 @@ }

return groupSegments.or.some((groupSegment) =>
allGroupSegmentsAreMatched(groupSegment, attributes, datafileReader),
allGroupSegmentsAreMatched(groupSegment, context, datafileReader),
);

@@ -48,3 +48,3 @@ }

(groupSegment) =>
allGroupSegmentsAreMatched(groupSegment, attributes, datafileReader) === false,
allGroupSegmentsAreMatched(groupSegment, context, datafileReader) === false,
);

@@ -56,3 +56,3 @@ }

return groupSegments.every((groupSegment) =>
allGroupSegmentsAreMatched(groupSegment, attributes, datafileReader),
allGroupSegmentsAreMatched(groupSegment, context, datafileReader),
);

@@ -59,0 +59,0 @@ }

coverage/clover.xml

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coverage/coverage-final.json

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coverage/lcov-report/bucket.ts.html

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coverage/lcov-report/conditions.ts.html

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coverage/lcov-report/datafileReader.ts.html

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coverage/lcov-report/index.html

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coverage/lcov-report/logger.ts.html

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