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Rich text console logging
このスクリプトは単体で利用できません。右のようなメタデータを含むスクリプトから、ライブラリとして読み込まれます: // @require https://update.greasyfork.org/scripts/370255/612436/consolemessage.js
// ==UserScript==
// @name console.message
// @description Rich text console logging
// @version 0.1.0
// ==/UserScript==
; (function () {
var cssNumbers = {
columnCount: true,
fillOpacity: true,
flexGrow: true,
flexShrink: true,
fontWeight: true,
lineHeight: true,
opacity: true,
order: true,
orphans: true,
widows: true,
zIndex: true,
zoom: true
};
var support = (function () {
// Taken from https://github.com/jquery/jquery-migrate/blob/master/src/core.js
function uaMatch(ua) {
ua = ua.toLowerCase();
var match = /(chrome)[ \/]([\w.]+)/.exec(ua) ||
/(webkit)[ \/]([\w.]+)/.exec(ua) ||
/(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) ||
/(msie) ([\w.]+)/.exec(ua) ||
ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) || [];
return {
browser: match[1] || "",
version: match[2] || "0"
};
}
var browserData = uaMatch(navigator.userAgent);
return {
isIE: browserData.browser == 'msie' || (browserData.browser == 'mozilla' && parseInt(browserData.version, 10) == 11)
};
})();
function ConsoleMessage() {
if (!ConsoleMessage.prototype.isPrototypeOf(this)) {
return new ConsoleMessage();
}
this._rootSpan = {
styles: {},
children: [],
parent: null
};
this._currentSpan = this._rootSpan;
this._waiting = 0;
this._readyCallback = null;
}
ConsoleMessage.prototype = {
/**
* Begins a group. By default the group is expanded. Provide false if you want the group to be collapsed.
* @param {boolean} [expanded = true] -
* @returns {ConsoleMessage} - Returns the message object itself to allow chaining.
*/
group: function (expanded) {
this._currentSpan.children.push({
type: expanded === false ? 'groupCollapsed' : 'group',
parent: this._currentSpan
});
return this;
},
/**
* Ends the group and returns to writing to the parent message.
* @returns {ConsoleMessage} - Returns the message object itself to allow chaining.
*/
groupEnd: function () {
this._currentSpan.children.push({
type: 'groupEnd',
parent: this._currentSpan
});
return this;
},
/**
* Starts a span with particular style and all appended text after it will use the style.
* @param {Object} styles - The CSS styles to be applied to all text until endSpan() is called
* @returns {ConsoleMessage} - Returns the message object itself to allow chaining.
*/
span: function (styles) {
var span = {
type: 'span',
styles: apply(styles || {}, this._currentSpan.styles),
children: [],
parent: this._currentSpan
};
this._currentSpan.children.push(span);
this._currentSpan = span;
return this;
},
/**
* Ends the current span styles and backs to the previous styles or the root if there are no other parents.
* @returns {ConsoleMessage} - Returns the message object itself to allow chaining.
*/
spanEnd: function () {
this._currentSpan = this._currentSpan.parent || this._currentSpan;
return this;
},
/**
* Appends a text to the current message. All styles in the current span are applied.
* @param {string} text - The text to be appended
* @returns {ConsoleMessage} - Returns the message object itself to allow chaining.
*/
text: function (text, styles) {
this.span(styles);
this._currentSpan.children.push({
type: 'text',
message: text,
parent: this._currentSpan
});
return this.spanEnd();
},
/**
* Adds a new line to the output.
* @returns {ConsoleMessage} - Returns the message object itself to allow chaining.
*/
line: function (type) {
this._currentSpan.children.push({
type: type || 'log',
parent: this._currentSpan
});
return this;
},
/**
* Adds an interactive DOM element to the output.
* @param {HTMLElement} element - The DOM element to be added.
* @returns {ConsoleMessage} - Returns the message object itself to allow chaining.
*/
element: function (element) {
this._currentSpan.children.push({
type: 'element',
element: element,
parent: this._currentSpan
});
return this;
},
/**
* Adds an interactive object tree to the output.
* @param {*} object - A value to be added to the output.
* @returns {ConsoleMessage} - Returns the message object itself to allow chaining.
*/
object: function (object) {
this._currentSpan.children.push({
type: 'object',
object: object,
parent: this._currentSpan
});
return this;
},
/**
* Prints the message to the console.
* Until print() is called there will be no result to the console.
*/
print: function () {
if (typeof console != 'undefined') {
var messages = [this._newMessage()];
var message;
this._printSpan(this._rootSpan, messages);
for (var i = 0; i < messages.length; i++) {
message = messages[i];
if (message.text && message.text != '%c' && console[message.type]) {
this._printMessage(message);
}
}
}
return new ConsoleMessage();
},
_printMessage: function (message) {
Function.prototype.apply.call(
console[message.type],
console,
[message.text].concat(message.args)
);
},
_printSpan: function (span, messages) {
var children = span.children;
var message = messages[messages.length - 1];
this._addSpanData(span, message);
for (var i = 0; i < children.length; i++) {
this._handleChild(children[i], messages);
}
},
_handleChild: function (child, messages) {
var message = messages[messages.length - 1];
switch (child.type) {
case 'group':
messages.push(this._newMessage('group'));
break;
case 'groupCollapsed':
messages.push(this._newMessage('groupCollapsed'));
break;
case 'groupEnd':
message = this._newMessage('groupEnd');
message.text = ' ';
messages.push(message);
messages.push(this._newMessage());
break;
case 'span':
this._printSpan(child, messages);
this._addSpanData(child, message);
this._addSpanData(child.parent, message);
break;
case 'text':
message.text += child.message;
break;
case 'element':
message.text += '%o';
message.args.push(child.element);
break;
case 'object':
message.text += '%O';
message.args.push(child.object);
break;
case 'log':
messages.push(this._newMessage(child.type));
break;
}
},
_addSpanData: function (span, message) {
if (!support.isIE) {
if (message.text.substring(message.text.length - 2) == '%c') {
message.args[message.args.length - 1] = this._stylesString(span.styles);
} else {
message.text += '%c';
message.args.push(this._stylesString(span.styles));
}
}
},
_newMessage: function (type) {
return {
type: type || 'log',
text: '',
args: []
};
},
_stylesString: function (styles) {
var result = '';
var value;
var key;
for (key in styles) {
value = styles[key];
key = this._fixCssStyleKey(key);
if (typeof value === 'number' && !cssNumbers[key]) {
value += 'px';
}
result += this._toDashKey(key) + ':' + value + ';';
}
return result;
},
_fixCssStyleKey: function (key) {
return key.replace(/-\w/g, function (match) {
return match.charAt(1).toUpperCase();
});
},
_toDashKey: function (key) {
return key.replace(/[A-Z]/g, function (match) {
return '-' + match.toLowerCase();
});
}
};
function apply(options, object) {
for (var key in object) {
if (options[key] === undefined) {
options[key] = object[key];
}
}
return options;
}
if (typeof window != 'undefined') {
if (!window.console) {
window.console = {};
}
/**
* Creates a message object.
* @returns {ConsoleMessage} - The message object
*/
window.console.message = ConsoleMessage;
}
})()