0👍
The package.json specifies the main target as “dist/npm/index.js”,
but it does not exist by default because “dist” is defined in .gitignore file.
You should run “npm run build” manually, then it should work.
{
"title": "html2canvas",
"name": "html2canvas",
"description": "Screenshots with JavaScript",
"main": "dist/npm/index.js", <--- here
"module": "dist/html2canvas.js",
"browser": "dist/html2canvas.js",
"version": "1.0.0-alpha.12",
"author": {
"name": "Niklas von Hertzen",
"email": "niklasvh@gmail.com",
"url": "https://hertzen.com"
},
"engines": {
"node": ">=4.0.0"
},
"repository": {
"type": "git",
"url": "git@github.com:niklasvh/html2canvas.git"
},
"bugs": {
"url": "https://github.com/niklasvh/html2canvas/issues"
},
"devDependencies": {
"babel-cli": "6.24.1",
"babel-core": "6.25.0",
"babel-eslint": "7.2.3",
"babel-loader": "7.1.1",
"babel-plugin-dev-expression": "0.2.1",
"babel-plugin-external-helpers": "^6.22.0",
"babel-plugin-transform-es2015-modules-commonjs": "6.26.0",
"babel-plugin-transform-object-rest-spread": "6.23.0",
"babel-preset-es2015": "6.24.1",
"babel-preset-flow": "6.23.0",
"base64-arraybuffer": "0.1.5",
"body-parser": "1.17.2",
"chai": "4.1.1",
"chromeless": "1.2.0",
"cors": "2.8.4",
"eslint": "4.2.0",
"eslint-plugin-flowtype": "2.35.0",
"eslint-plugin-prettier": "2.1.2",
"express": "4.15.4",
"filenamify-url": "1.0.0",
"flow-bin": "0.56.0",
"glob": "7.1.2",
"html2canvas-proxy": "1.0.1",
"jquery": "3.2.1",
"karma": "1.7.0",
"karma-chrome-launcher": "2.2.0",
"karma-edge-launcher": "0.4.1",
"karma-firefox-launcher": "1.0.1",
"karma-ie-launcher": "1.0.0",
"karma-mocha": "1.3.0",
"karma-sauce-launcher": "1.1.0",
"mocha": "5.2.0",
"platform": "1.3.4",
"prettier": "1.5.3",
"promise-polyfill": "6.0.2",
"replace-in-file": "^3.0.0",
"rimraf": "2.6.1",
"rollup": "0.57.1",
"rollup-plugin-babel": "^3.0.3",
"rollup-plugin-commonjs": "^9.1.0",
"rollup-plugin-node-resolve": "^3.3.0",
"rollup-plugin-uglify": "^3.0.0",
"serve-index": "1.9.0",
"slash": "1.0.0",
"uglifyjs-webpack-plugin": "^1.1.2",
"webpack": "3.4.1"
},
"scripts": {
"build": "rimraf dist/ && node scripts/create-reftest-list && npm run build:npm && npm run build:browser", <---- build script to run!!
"build:npm": "babel src/ -d dist/npm/ --plugins=dev-expression,transform-es2015-modules-commonjs && replace-in-file __VERSION__ '\"$npm_package_version\"' dist/npm/index.js",
"build:browser": "webpack",
"rollup": "rollup -c",
"format": "prettier --single-quote --no-bracket-spacing --tab-width 4 --print-width 100 --write \"{src,www/src,tests,scripts}/**/*.js\"",
"flow": "flow",
"lint": "eslint src/**",
"test": "npm run flow && npm run lint && npm run test:node && npm run karma",
"test:node": "mocha tests/node/*.js",
"karma": "node karma",
"watch": "webpack --progress --colors --watch",
"start": "node tests/server"
},
"homepage": "https://html2canvas.hertzen.com",
"license": "MIT",
"dependencies": {
"css-line-break": "1.0.1"
}
}
Source:stackexchange.com