@pdf-lib/fontkit
Version:
An advanced font engine for Node and the browser
1 lines • 714 kB
JavaScript
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Error("not implemented"))},Fe.prototype.pipe=function(e,t){var r=this,n=this._readableState;switch(n.pipesCount){case 0:n.pipes=e;break;case 1:n.pipes=[n.pipes,e];break;default:n.pipes.push(e)}n.pipesCount+=1,Me("pipe count=%d opts=%j",n.pipesCount,t);var i=!t||!1!==t.end?a:l;function o(e){Me("onunpipe"),e===r&&l()}function a(){Me("onend"),e.end()}n.endEmitted?W(i):r.once("end",i),e.on("unpipe",o);var s=function(e){return function(){var t=e._readableState;Me("pipeOnDrain",t.awaitDrain),t.awaitDrain&&t.awaitDrain--,0===t.awaitDrain&&e.listeners("data").length&&(t.flowing=!0,He(e))}}(r);e.on("drain",s);var u=!1;function l(){Me("cleanup"),e.removeListener("close",p),e.removeListener("finish",d),e.removeListener("drain",s),e.removeListener("error",h),e.removeListener("unpipe",o),r.removeListener("end",a),r.removeListener("end",l),r.removeListener("data",f),u=!0,!n.awaitDrain||e._writableState&&!e._writableState.needDrain||s()}var c=!1;function f(t){Me("ondata"),c=!1,!1!==e.write(t)||c||((1===n.pipesCount&&n.pipes===e||n.pipesCount>1&&-1!==Ke(n.pipes,e))&&!u&&(Me("false write response, pause",r._readableState.awaitDrain),r._readableState.awaitDrain++,c=!0),r.pause())}function h(t){var r;Me("onerror",t),y(),e.removeListener("error",h),0===(r="error",e.listeners(r).length)&&e.emit("error",t)}function p(){e.removeListener("finish",d),y()}function d(){Me("onfinish"),e.removeListener("close",p),y()}function y(){Me("unpipe"),r.unpipe(e)}return r.on("data",f),function(e,t,r){if("function"==typeof e.prependListener)return e.prependListener(t,r);e._events&&e._events[t]?Array.isArray(e._events[t])?e._events[t].unshift(r):e._events[t]=[r,e._events[t]]:e.on(t,r)}(e,"error",h),e.once("close",p),e.once("finish",d),e.emit("pipe",r),n.flowing||(Me("pipe resume"),r.resume()),e},Fe.prototype.unpipe=function(e){var t=this._readableState;if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes||(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit("unpipe",this)),this;if(!e){var r=t.pipes,n=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var i=0;i<n;i++)r[i].emit("unpipe",this);return this}var o=Ke(t.pipes,e);return-1===o||(t.pipes.splice(o,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this)),this},Fe.prototype.on=function(e,t){var r=S.prototype.on.call(this,e,t);if("data"===e)!1!==this._readableState.flowing&&this.resume();else if("rea