commit

docs/ccxt/wiki/helpers.cjs

@@ -0,0 +1,47 @@
+var arrayify = require('array-back')
+
+const cache = {}
+
+exports.getFragment = function (func) {
+    // this function allows for links with the same name
+    // and caches the link so we can regenerate the same id
+    const { id, name, exchange } = func
+    const selector = exchange ? exchange + name : name
+    const lower = selector.toLowerCase ()
+    if (exchange && !(id in cache)) {
+        cache[lower] = cache[lower] || 0
+        cache[id] = cache[lower]++
+    }
+    const part = (cache[id] >= 1) ? '-' + cache[id] : ''
+    return lower + part
+}
+
+exports.cleanNames = function (names) {
+    if (!names) return []
+    return names.map (name => name.replace (/Array./g, 'Array'))
+}
+
+// this method is copied from dmd except for the option params handling
+function methodSig () {
+    const args = arrayify(this.params).filter(function (param) {
+      return param.name && !/\./.test(param.name)
+    })
+    function firstOptionalIndex (params) {
+        let i = 0;
+        for (; i < params.length && !(params[i].optional); i++);
+        return i
+    }
+    const names = args.map (arg => arg.name)
+    if (args.length) {
+        const firstOptional = firstOptionalIndex (args)
+        if ((firstOptional > 0) && (args.length > 1)) {
+            names[firstOptional - 1] = names[firstOptional - 1] + '['
+        } else {
+            names[firstOptional] = '[' + names[firstOptional]
+        }
+        names[names.length - 1] = names[names.length - 1] + ']'
+    }
+    return names.join (', ')
+}
+
+exports.methodSig = methodSig