jsPDF 进行模块化开发遇到的问题

自己写了一个例子可以用，但是在加入项目用fis2编译的时候就报错了，错误如下：
[NOTIC] can't find dep resource [buffer]

[NOTIC] can't find dep resource [buffer]

[NOTIC] can't find dep resource [buffer]

[NOTIC] can't find dep resource [buffer]

[NOTIC] can't find dep resource [buffer]
，而且在跑项目的时候找不到html2canvas。
jspdf.debug.js:1746 Uncaught Error: You need either https://github.com/niklasvh/html2canvas or https://github.com/cburgmer/rasterizeHTML.js
at Object.jsPDFAPI.addHTML (jspdf.debug.js:1746)
at HTMLButtonElement.toPDF (maintain_resource_list.js:79)
at HTMLButtonElement.dispatch (jquery.js:2376)
at HTMLButtonElement.elemData.handle (jquery.js:2141)

代码如下：
JavaScript code
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require("components/jsPDF/html2canvas.js");
require("components/jsPDF/jspdf.debug.js");

var pdf = new jsPDF('p', 'pt', 'a4');
pdf.internal.scaleFactor = 1;
var options = {
    pagesplit: true
};
var printhtml = $(".table").get(0);
pdf.addHTML(printhtml, options, function() {
    pdf.save('web1111.pdf');
});

求大神指点一下是哪里出了问题，而且在jsPDF中的addHTML 方法是在哪里初始化了 html2canvas？

@各位大神@各位大神