add talent life

src/functions/condition.js

@@ -0,0 +1,116 @@
+function parseCondition(condition) {
+
+    const conditions = [];
+    const length = condition.length;
+    const stack = [];
+    stack.unshift(conditions);
+    let cursor = 0;
+    const catchString = i => {
+        const str = condition.substring(cursor, i).trim();
+        cursor = i;
+        if(str) stack[0].push(str);
+    };
+
+    for(let i=0; i<length; i++) {
+        switch(condition[i]) {
+            case ' ': continue;
+
+            case '(':
+                catchString(i);
+                cursor ++;
+                const sub = [];
+                stack[0].push(sub);
+                stack.unshift(sub);
+                break;
+
+            case ')':
+                catchString(i);
+                cursor ++;
+                stack.shift();
+                break;
+
+            case '|':
+            case '&':
+                catchString(i);
+                catchString(i+1);
+                break;
+            default: continue;
+        }
+    }
+
+    catchString(length);
+
+    return conditions;
+}
+
+function checkCondition(property, condition) {
+    const conditions = parseCondition(condition);
+    return checkParsedConditions(property, conditions);
+}
+
+function checkParsedConditions(property, conditions) {
+    if(!Array.isArray(conditions)) return checkProp(property, conditions);
+    if(conditions.length == 0) return true;
+    if(conditions.length == 1) return checkParsedConditions(property, conditions[0]);
+
+    let ret = checkParsedConditions(conditions[0]);
+    for(let i=1; i<conditions.length; i+=2) {
+        switch(conditions[i]) {
+            case '&':
+                if(ret) ret = checkParsedConditions(property, conditions[i+1]);
+                break;
+            case '|':
+                if(ret) return true;
+                ret = checkParsedConditions(property, conditions[i+1]);
+                break;
+            default: return false;
+        }
+    }
+    return ret;
+}
+
+function checkProp(property, condition) {
+
+    const length = condition.length;
+    let i = condition.search(/[><\!\?=]/);
+
+    const prop = condition.substring(0,i);
+    const symbol = condition.substring(i, i+=(condition[i+1]=='='?2:1));
+    const d = condition.substring(i, length);
+
+    const propData = property.get(prop);
+    const conditionData = d[0]=='['? JSON.parse(d): Number(d);
+
+    switch(symbol) {
+        case '>':  return propData >  conditionData;
+        case '<':  return propData <  conditionData;
+        case '>=': return propData >= conditionData;
+        case '<=': return propData <= conditionData;
+        case '=':
+            if(Array.isArray(propData))
+                return propData.includes(conditionData);
+            return propData == conditionData;
+        case '!=':
+            if(Array.isArray(propData))
+                return !propData.includes(conditionData);
+            return propData == conditionData;
+        case '?':
+            if(Array.isArray(propData)) {
+                for(const p of propData)
+                    if(conditionData.includes(p)) return true;
+                return false;
+            }
+            return conditionData.includes(propData);
+        case '!':
+            if(Array.isArray(propData)) {
+                for(const p of propData)
+                    if(conditionData.includes(p)) return false;
+                return true;
+            }
+            return !conditionData.includes(propData);
+
+        default: return false;
+    }
+}
+
+export { checkCondition };

src/functions/util.js

@@ -0,0 +1,12 @@
+function clone(value) {
+    switch(typeof value) {
+        case 'object':
+            if(Array.isArray(value)) return value.map(v=>clone(v));
+            const newObj = {};
+            for(const key in value) newObj[key] = clone(value[key]);
+            return newObj;
+        default: return value;
+    }
+}
+
+export { clone };