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musix-oss/node_modules/protobufjs/cli/lib/tsd-jsdoc/publish.js
2020-03-03 22:30:50 +02:00

694 lines
20 KiB
JavaScript

"use strict";
var fs = require("fs");
// output stream
var out = null;
// documentation data
var data = null;
// already handled objects, by name
var seen = {};
// indentation level
var indent = 0;
// whether indent has been written for the current line yet
var indentWritten = false;
// provided options
var options = {};
// queued interfaces
var queuedInterfaces = [];
// whether writing the first line
var firstLine = true;
// JSDoc hook
exports.publish = function publish(taffy, opts) {
options = opts || {};
// query overrides options
if (options.query)
Object.keys(options.query).forEach(function(key) {
if (key !== "query")
switch (options[key] = options.query[key]) {
case "true":
options[key] = true;
break;
case "false":
options[key] = false;
break;
case "null":
options[key] = null;
break;
}
});
// remove undocumented
taffy({ undocumented: true }).remove();
taffy({ ignore: true }).remove();
taffy({ inherited: true }).remove();
// remove private
if (!options.private)
taffy({ access: "private" }).remove();
// setup output
out = options.destination
? fs.createWriteStream(options.destination)
: process.stdout;
try {
// setup environment
data = taffy().get();
indent = 0;
indentWritten = false;
firstLine = true;
// wrap everything in a module if configured
if (options.module) {
writeln("export = ", options.module, ";");
writeln();
writeln("declare namespace ", options.module, " {");
writeln();
++indent;
}
// handle all
getChildrenOf(undefined).forEach(function(child) {
handleElement(child, null);
});
// process queued
while (queuedInterfaces.length) {
var element = queuedInterfaces.shift();
begin(element);
writeInterface(element);
writeln(";");
}
// end wrap
if (options.module) {
--indent;
writeln("}");
}
// close file output
if (out !== process.stdout)
out.end();
} finally {
// gc environment objects
out = data = null;
seen = options = {};
queuedInterfaces = [];
}
};
//
// Utility
//
// writes one or multiple strings
function write() {
var s = Array.prototype.slice.call(arguments).join("");
if (!indentWritten) {
for (var i = 0; i < indent; ++i)
s = " " + s;
indentWritten = true;
}
out.write(s);
firstLine = false;
}
// writes zero or multiple strings, followed by a new line
function writeln() {
var s = Array.prototype.slice.call(arguments).join("");
if (s.length)
write(s, "\n");
else if (!firstLine)
out.write("\n");
indentWritten = false;
}
var keepTags = [
"param",
"returns",
"throws",
"see"
];
// parses a comment into text and tags
function parseComment(comment) {
var lines = comment.replace(/^ *\/\*\* *|^ *\*\/| *\*\/ *$|^ *\* */mg, "").trim().split(/\r?\n|\r/g); // property.description has just "\r" ?!
var desc;
var text = [];
var tags = null;
for (var i = 0; i < lines.length; ++i) {
var match = /^@(\w+)\b/.exec(lines[i]);
if (match) {
if (!tags) {
tags = [];
desc = text;
}
text = [];
tags.push({ name: match[1], text: text });
lines[i] = lines[i].substring(match[1].length + 1).trim();
}
if (lines[i].length || text.length)
text.push(lines[i]);
}
return {
text: desc || text,
tags: tags || []
};
}
// writes a comment
function writeComment(comment, otherwiseNewline) {
if (!comment || options.comments === false) {
if (otherwiseNewline)
writeln();
return;
}
if (typeof comment !== "object")
comment = parseComment(comment);
comment.tags = comment.tags.filter(function(tag) {
return keepTags.indexOf(tag.name) > -1 && (tag.name !== "returns" || tag.text[0] !== "{undefined}");
});
writeln();
if (!comment.tags.length && comment.text.length < 2) {
writeln("/** " + comment.text[0] + " */");
return;
}
writeln("/**");
comment.text.forEach(function(line) {
if (line.length)
writeln(" * ", line);
else
writeln(" *");
});
comment.tags.forEach(function(tag) {
var started = false;
if (tag.text.length) {
tag.text.forEach(function(line, i) {
if (i > 0)
write(" * ");
else if (tag.name !== "throws")
line = line.replace(/^\{[^\s]*} ?/, "");
if (!line.length)
return;
if (!started) {
write(" * @", tag.name, " ");
started = true;
}
writeln(line);
});
}
});
writeln(" */");
}
// recursively replaces all occurencies of re's match
function replaceRecursive(name, re, fn) {
var found;
function replacer() {
found = true;
return fn.apply(null, arguments);
}
do {
found = false;
name = name.replace(re, replacer);
} while (found);
return name;
}
// tests if an element is considered to be a class or class-like
function isClassLike(element) {
return isClass(element) || isInterface(element);
}
// tests if an element is considered to be a class
function isClass(element) {
return element && element.kind === "class";
}
// tests if an element is considered to be an interface
function isInterface(element) {
return element && (element.kind === "interface" || element.kind === "mixin");
}
// tests if an element is considered to be a namespace
function isNamespace(element) {
return element && (element.kind === "namespace" || element.kind === "module");
}
// gets all children of the specified parent
function getChildrenOf(parent) {
var memberof = parent ? parent.longname : undefined;
return data.filter(function(element) {
return element.memberof === memberof;
});
}
// gets the literal type of an element
function getTypeOf(element) {
if (element.tsType)
return element.tsType.replace(/\r?\n|\r/g, "\n");
var name = "any";
var type = element.type;
if (type && type.names && type.names.length) {
if (type.names.length === 1)
name = element.type.names[0].trim();
else
name = "(" + element.type.names.join("|") + ")";
} else
return name;
// Replace catchalls with any
name = name.replace(/\*|\bmixed\b/g, "any");
// Ensure upper case Object for map expressions below
name = name.replace(/\bobject\b/g, "Object");
// Correct Something.<Something> to Something<Something>
name = replaceRecursive(name, /\b(?!Object|Array)([\w$]+)\.<([^>]*)>/gi, function($0, $1, $2) {
return $1 + "<" + $2 + ">";
});
// Replace Array.<string> with string[]
name = replaceRecursive(name, /\bArray\.?<([^>]*)>/gi, function($0, $1) {
return $1 + "[]";
});
// Replace Object.<string,number> with { [k: string]: number }
name = replaceRecursive(name, /\bObject\.?<([^,]*), *([^>]*)>/gi, function($0, $1, $2) {
return "{ [k: " + $1 + "]: " + $2 + " }";
});
// Replace functions (there are no signatures) with Function
name = name.replace(/\bfunction(?:\(\))?\b/g, "Function");
// Convert plain Object back to just object
name = name.replace(/\b(Object\b(?!\.))/g, function($0, $1) {
return $1.toLowerCase();
});
return name;
}
// begins writing the definition of the specified element
function begin(element, is_interface) {
if (!seen[element.longname]) {
if (isClass(element)) {
var comment = parseComment(element.comment);
var classdesc = comment.tags.find(function(tag) { return tag.name === "classdesc"; });
if (classdesc) {
comment.text = classdesc.text;
comment.tags = [];
}
writeComment(comment, true);
} else
writeComment(element.comment, is_interface || isClassLike(element) || isNamespace(element) || element.isEnum || element.scope === "global");
seen[element.longname] = element;
} else
writeln();
if (element.scope !== "global" || options.module)
return;
write("export ");
}
// writes the function signature describing element
function writeFunctionSignature(element, isConstructor, isTypeDef) {
write("(");
var params = {};
// this type
if (element.this)
params["this"] = {
type: element.this.replace(/^{|}$/g, ""),
optional: false
};
// parameter types
if (element.params)
element.params.forEach(function(param) {
var path = param.name.split(/\./g);
if (path.length === 1)
params[param.name] = {
type: getTypeOf(param),
variable: param.variable === true,
optional: param.optional === true,
defaultValue: param.defaultvalue // Not used yet (TODO)
};
else // Property syntax (TODO)
params[path[0]].type = "{ [k: string]: any }";
});
var paramNames = Object.keys(params);
paramNames.forEach(function(name, i) {
var param = params[name];
var type = param.type;
if (param.variable) {
name = "..." + name;
type = param.type.charAt(0) === "(" ? "any[]" : param.type + "[]";
}
write(name, !param.variable && param.optional ? "?: " : ": ", type);
if (i < paramNames.length - 1)
write(", ");
});
write(")");
// return type
if (!isConstructor) {
write(isTypeDef ? " => " : ": ");
var typeName;
if (element.returns && element.returns.length && (typeName = getTypeOf(element.returns[0])) !== "undefined")
write(typeName);
else
write("void");
}
}
// writes (a typedef as) an interface
function writeInterface(element) {
write("interface ", element.name);
writeInterfaceBody(element);
writeln();
}
function writeInterfaceBody(element) {
writeln("{");
++indent;
if (element.tsType)
writeln(element.tsType.replace(/\r?\n|\r/g, "\n"));
else if (element.properties && element.properties.length)
element.properties.forEach(writeProperty);
--indent;
write("}");
}
function writeProperty(property, declare) {
writeComment(property.description);
if (declare)
write("let ");
write(property.name);
if (property.optional)
write("?");
writeln(": ", getTypeOf(property), ";");
}
//
// Handlers
//
// handles a single element of any understood type
function handleElement(element, parent) {
if (element.scope === "inner")
return false;
if (element.optional !== true && element.type && element.type.names && element.type.names.length) {
for (var i = 0; i < element.type.names.length; i++) {
if (element.type.names[i].toLowerCase() === "undefined") {
// This element is actually optional. Set optional to true and
// remove the 'undefined' type
element.optional = true;
element.type.names.splice(i, 1);
i--;
}
}
}
if (seen[element.longname])
return true;
if (isClassLike(element))
handleClass(element, parent);
else switch (element.kind) {
case "module":
case "namespace":
handleNamespace(element, parent);
break;
case "constant":
case "member":
handleMember(element, parent);
break;
case "function":
handleFunction(element, parent);
break;
case "typedef":
handleTypeDef(element, parent);
break;
case "package":
break;
}
seen[element.longname] = element;
return true;
}
// handles (just) a namespace
function handleNamespace(element/*, parent*/) {
var children = getChildrenOf(element);
if (!children.length)
return;
var first = true;
if (element.properties)
element.properties.forEach(function(property) {
if (!/^[$\w]+$/.test(property.name)) // incompatible in namespace
return;
if (first) {
begin(element);
writeln("namespace ", element.name, " {");
++indent;
first = false;
}
writeProperty(property, true);
});
children.forEach(function(child) {
if (child.scope === "inner" || seen[child.longname])
return;
if (first) {
begin(element);
writeln("namespace ", element.name, " {");
++indent;
first = false;
}
handleElement(child, element);
});
if (!first) {
--indent;
writeln("}");
}
}
// a filter function to remove any module references
function notAModuleReference(ref) {
return ref.indexOf("module:") === -1;
}
// handles a class or class-like
function handleClass(element, parent) {
var is_interface = isInterface(element);
begin(element, is_interface);
if (is_interface)
write("interface ");
else {
if (element.virtual)
write("abstract ");
write("class ");
}
write(element.name);
if (element.templates && element.templates.length)
write("<", element.templates.join(", "), ">");
write(" ");
// extended classes
if (element.augments) {
var augments = element.augments.filter(notAModuleReference);
if (augments.length)
write("extends ", augments[0], " ");
}
// implemented interfaces
var impls = [];
if (element.implements)
Array.prototype.push.apply(impls, element.implements);
if (element.mixes)
Array.prototype.push.apply(impls, element.mixes);
impls = impls.filter(notAModuleReference);
if (impls.length)
write("implements ", impls.join(", "), " ");
writeln("{");
++indent;
if (element.tsType)
writeln(element.tsType.replace(/\r?\n|\r/g, "\n"));
// constructor
if (!is_interface && !element.virtual)
handleFunction(element, parent, true);
// properties
if (is_interface && element.properties)
element.properties.forEach(function(property) {
writeProperty(property);
});
// class-compatible members
var incompatible = [];
getChildrenOf(element).forEach(function(child) {
if (isClassLike(child) || child.kind === "module" || child.kind === "typedef" || child.isEnum) {
incompatible.push(child);
return;
}
handleElement(child, element);
});
--indent;
writeln("}");
// class-incompatible members
if (incompatible.length) {
writeln();
if (element.scope === "global" && !options.module)
write("export ");
writeln("namespace ", element.name, " {");
++indent;
incompatible.forEach(function(child) {
handleElement(child, element);
});
--indent;
writeln("}");
}
}
// handles a namespace or class member
function handleMember(element, parent) {
begin(element);
if (element.isEnum) {
var stringEnum = false;
element.properties.forEach(function(property) {
if (isNaN(property.defaultvalue)) {
stringEnum = true;
}
});
if (stringEnum) {
writeln("type ", element.name, " =");
++indent;
element.properties.forEach(function(property, i) {
write(i === 0 ? "" : "| ", JSON.stringify(property.defaultvalue));
});
--indent;
writeln(";");
} else {
writeln("enum ", element.name, " {");
++indent;
element.properties.forEach(function(property, i) {
write(property.name);
if (property.defaultvalue !== undefined)
write(" = ", JSON.stringify(property.defaultvalue));
if (i < element.properties.length - 1)
writeln(",");
else
writeln();
});
--indent;
writeln("}");
}
} else {
var inClass = isClassLike(parent);
if (inClass) {
write(element.access || "public", " ");
if (element.scope === "static")
write("static ");
if (element.readonly)
write("readonly ");
} else
write(element.kind === "constant" ? "const " : "let ");
write(element.name);
if (element.optional)
write("?");
write(": ");
if (element.type && element.type.names && /^Object\b/i.test(element.type.names[0]) && element.properties) {
writeln("{");
++indent;
element.properties.forEach(function(property, i) {
writeln(JSON.stringify(property.name), ": ", getTypeOf(property), i < element.properties.length - 1 ? "," : "");
});
--indent;
writeln("};");
} else
writeln(getTypeOf(element), ";");
}
}
// handles a function or method
function handleFunction(element, parent, isConstructor) {
var insideClass = true;
if (isConstructor) {
writeComment(element.comment);
write("constructor");
} else {
begin(element);
insideClass = isClassLike(parent);
if (insideClass) {
write(element.access || "public", " ");
if (element.scope === "static")
write("static ");
} else
write("function ");
write(element.name);
if (element.templates && element.templates.length)
write("<", element.templates.join(", "), ">");
}
writeFunctionSignature(element, isConstructor, false);
writeln(";");
if (!insideClass)
handleNamespace(element);
}
// handles a type definition (not a real type)
function handleTypeDef(element, parent) {
if (isInterface(element)) {
if (isClassLike(parent))
queuedInterfaces.push(element);
else {
begin(element);
writeInterface(element);
}
} else {
writeComment(element.comment, true);
write("type ", element.name);
if (element.templates && element.templates.length)
write("<", element.templates.join(", "), ">");
write(" = ");
if (element.tsType)
write(element.tsType.replace(/\r?\n|\r/g, "\n"));
else {
var type = getTypeOf(element);
if (element.type && element.type.names.length === 1 && element.type.names[0] === "function")
writeFunctionSignature(element, false, true);
else if (type === "object") {
if (element.properties && element.properties.length)
writeInterfaceBody(element);
else
write("{}");
} else
write(type);
}
writeln(";");
}
}