diff --git a/.npmignore b/.npmignore
index b512c09..0bd33d5 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1 +1,6 @@
-node_modules
\ No newline at end of file
+node_modules
+/example
+/src
+/docs
+/rollup.config.js
+/tsconfig.json
diff --git a/README.md b/README.md
index dd25644..107b9d2 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ function renderFrame(context: CanvasRenderingContext2D, frame: TextFrame, clear:
 // cjs
 // const { computeTextFrames, renderFrame } = require('@mattuy/text-frame');
 // or esm
-import { computeTextFrames, renderFrame } from '@mattuy/text-frame/esm';
+import { computeTextFrames, renderFrame } from '@mattuy/text-frame';
 
 const frames = computeTextFrames({
     viewWidth: 320,
diff --git a/docs/deps/text-frame-min.js b/docs/deps/text-frame-min.js
index 63b3400..61a32d5 100644
--- a/docs/deps/text-frame-min.js
+++ b/docs/deps/text-frame-min.js
@@ -1,15 +1,15 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).TextFrame={})}(this,(function(t){"use strict";
 /*! *****************************************************************************
-    Copyright (c) Microsoft Corporation.
+Copyright (c) Microsoft Corporation.
 
-    Permission to use, copy, modify, and/or distribute this software for any
-    purpose with or without fee is hereby granted.
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
 
-    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
-    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
-    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
-    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-    PERFORMANCE OF THIS SOFTWARE.
-    ***************************************************************************** */var e,n=function(){return(n=Object.assign||function(t){for(var e,n=1,i=arguments.length;n<i;n++)for(var r in e=arguments[n])Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t}).apply(this,arguments)};!function(t){t.center="center",t.start="start",t.end="end",t.left="left",t.right="right",t.justify="justify"}(e||(e={}));var i={color:"#000000",fontFamily:"serif",fontWeight:"normal",fontSize:16,rtl:!1,margin:0,marginCollapse:!0,noHeadMargin:!1,textIndent:0,textAlign:"justify",textAlignLast:"start"},r=n(n({},i),{viewWidth:300,viewHeight:150,lineStartProhibitedMarks:"、,，.．。:：;；!！?？'\"」』”’)]}）】〗〕］｝》〉–~～—·．‧•・/／",lineEndProhibitedMarks:"「『“‘([{（【〖〔［〔《〈/／",unbreakableRule:/──|……|[\w\d]+/,fragments:null});function a(t){var a=devicePixelRatio||1,l=n(n({},i),t||Object());if(l.textIndent=(0|l.textIndent)*a,l.fontSize>0?l.fontSize*=a:l.fontSize=r.fontSize*a,l.lineHeight>0?l.lineHeight*=a:l.lineHeight=1.5*l.fontSize,l.textAlign in e||(l.textAlign=e.start),"object"==typeof l.margin&&null!==l)for(var o=0,f=["left","right","top","bottom"];o<f.length;o++){var s=f[o];l.margin[s]=(0|l.margin[s])*a}else{var g=l.margin*a;l.margin={left:g,right:g,top:g,bottom:g}}return l}function l(t,e){t.margin;var i=function(t,e){var n={};for(var i in t)Object.prototype.hasOwnProperty.call(t,i)&&e.indexOf(i)<0&&(n[i]=t[i]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols){var r=0;for(i=Object.getOwnPropertySymbols(t);r<i.length;r++)e.indexOf(i[r])<0&&Object.prototype.propertyIsEnumerable.call(t,i[r])&&(n[i[r]]=t[i[r]])}return n}(t,["margin"]),r=n(n({},i),e);return r.text=r.text||"",r.text=r.text.replace("\r\n","\n").replace("\r","\n"),(r=a(r)).trim&&(r.text=r.text.trim()),r}var o=document.createElement("canvas").getContext("2d");function f(t,n,i){if(i){var r=i.fragmentOptions,a=r.rtl?i.chars.slice(0).reverse():i.chars,l=n.margin,o=r.margin;!function(t,e,n){var i=e;if(i){t.font=i.fontWeight+" "+i.fontSize+"px "+i.fontFamily,t.fillStyle=i.color,t.direction="ltr";var r=i.textAlign;n.isLastLine&&"justify"===i.textAlign&&(r=i.textAlignLast),"start"===r?t.textAlign=i.rtl?"right":"left":"end"===r?t.textAlign=i.rtl?"left":"right":["center","left","right"].includes(r)?t.textAlign=r:t.textAlign="left",t.textBaseline="middle"}}(t,r,i);var f=i.offset,s=f.x,g=f.y,h=r.textAlign===e.justify,c=s-l.left-r.margin.left;if(g+=r.lineHeight/2,h&&i.isLastLine&&r.textAlignLast!==e.justify&&(h=!1),h){var u=t.measureText(a.join("")).width,d=(n.canvasWidth-u-l.left-l.right-o.left-o.right-c)/(a.length-1);r.rtl&&(s-=c);for(var v=0;v<a.length;++v)t.fillText(a[v],Math.round(s),g),s+=t.measureText(a[v]).width+d}else"center"===t.textAlign?s=t.canvas.width/2:"right"===t.textAlign&&(s=n.canvasWidth-l.right-r.margin.right-c),t.fillText(a.join(""),s,g);i=null}}t.computeTextFrames=function(t){var e,i,f,s,g=function(t){var e=devicePixelRatio,i=n(n({},r),a(t));return i.canvasWidth=t.canvasWidth||i.viewWidth*e,i.canvasHeight=t.canvasHeight||i.viewHeight*e,i}(t||{}),h=[],c=g.margin,u=g.canvasWidth-1-c.right,d=g.canvasHeight-1-c.bottom,v={x:0,y:0},x=0,m=0,p=0,y=!1;function b(){if(!i)return"";var t=i.codePointAt(x);if(void 0===t)return"";var e=String.fromCodePoint(t).length;return i.slice(x,x+e)}function w(){s&&O(),s={options:g,lines:[]},f=null,o.clearRect(0,0,o.canvas.width,o.canvas.height),v={x:c.left,y:c.top}}function j(){var t=e;(s||w(),A(),0===s.lines.length)?v={x:c.left+t.margin.left,y:c.top}:d-(v.y+t.lineHeight)<t.lineHeight?(w(),v={x:c.left+t.margin.left,y:c.top}):(v.x=c.left+t.margin.left,v.y+=t.lineHeight);f={chars:[],isLastLine:!1,fragmentOptions:t,offset:n({},v)}}function A(){f&&(s.lines.push(f),f=null)}function H(){f&&(f.isLastLine=!0),A()}function O(){s&&(f&&A(),h.push(s),s=null)}for(var S=0,P=g.fragments||[];S<P.length;S++){var L=P[S];for(H(),L=e=l(t,L),o.font=L.fontWeight+" "+L.fontSize+"px "+L.fontFamily,j(),0===s.lines.length&&(p=0),L.marginCollapse&&y?p=Math.max(L.margin.top,p):p+=L.margin.top,s.lines.length>0&&(v.y+p+L.lineHeight>d+1?(f=null,O(),j()):v.y+=p),0!==s.lines.length||L.noHeadMargin||(v.y=c.top+L.margin.top),L.textIndent>0&&(v.x+=L.textIndent),f.offset.x=v.x,f.offset.y=v.y,m=u-L.margin.right,i=L.text,x=0;x<i.length;){var M=b(),W=M.length,T=o.measureText(M).width,z=m+1-v.x;if("\n"===M)H(),j(),M=null,T=0;else if(z<T){for(var k=M,F=void 0,I=x,R=f.chars.length-1;R>=0;--R){if(F=f.chars[R],!g.lineStartProhibitedMarks.includes(k)&&!g.lineEndProhibitedMarks.includes(F)&&!g.unbreakableRule.test(F+k)){W=(M=k).length,T=o.measureText(M).width,x=I,f.chars=f.chars.slice(0,R+1);break}I-=k.length,k=F}j()}M&&f.chars.push(M),v.x+=T,x+=W}p=L.margin.bottom,y=L.marginCollapse}return H(),O(),h},t.renderFrame=function(t,e,n){if(!t)throw Error("error: text-frame - must provide drawing context!");if(e){var i=Math.round(e.options.canvasWidth),r=Math.round(e.options.canvasHeight);(n||t.canvas.width!==i||t.canvas.height!==r)&&(t.canvas.width=i,t.canvas.height=r);for(var a=0,l=e.lines;a<l.length;a++){var o=l[a];f(t,e.options,o)}}else t.clearRect(0,0,t.canvas.width,t.canvas.height)},Object.defineProperty(t,"__esModule",{value:!0})}));
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+***************************************************************************** */
+var t,e=function(){return(e=Object.assign||function(t){for(var e,n=1,i=arguments.length;n<i;n++)for(var r in e=arguments[n])Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t}).apply(this,arguments)};!function(t){t.center="center",t.start="start",t.end="end",t.left="left",t.right="right",t.justify="justify"}(t||(t={}));var n={color:"#000000",fontFamily:"serif",fontWeight:"normal",fontSize:16,rtl:!1,margin:0,marginCollapse:!0,noHeadMargin:!1,textIndent:0,textAlign:"justify",textAlignLast:"start"},i=e(e({},n),{viewWidth:300,viewHeight:150,lineStartProhibitedMarks:"、,，.．。:：;；!！?？'\"」』”’)]}）】〗〕］｝》〉–~～—·．‧•・/／",lineEndProhibitedMarks:"「『“‘([{（【〖〔［〔《〈/／",unbreakableRule:/──|……|[\w\d]+/,fragments:null});function r(r){var a=devicePixelRatio||1,l=e(e({},n),r||Object());if(l.textIndent=(0|l.textIndent)*a,l.fontSize>0?l.fontSize*=a:l.fontSize=i.fontSize*a,l.lineHeight>0?l.lineHeight*=a:l.lineHeight=1.5*l.fontSize,l.textAlign in t||(l.textAlign=t.start),"object"==typeof l.margin&&null!==l)for(var o=0,s=["left","right","top","bottom"];o<s.length;o++){var f=s[o];l.margin[f]=(0|l.margin[f])*a}else{var g=l.margin*a;l.margin={left:g,right:g,top:g,bottom:g}}return l}function a(t,n){t.margin;var i=function(t,e){var n={};for(var i in t)Object.prototype.hasOwnProperty.call(t,i)&&e.indexOf(i)<0&&(n[i]=t[i]);if(null!=t&&"function"==typeof Object.getOwnPropertySymbols){var r=0;for(i=Object.getOwnPropertySymbols(t);r<i.length;r++)e.indexOf(i[r])<0&&Object.prototype.propertyIsEnumerable.call(t,i[r])&&(n[i[r]]=t[i[r]])}return n}(t,["margin"]),a=e(e({},i),n);return a.text=a.text||"",a.text=a.text.replace("\r\n","\n").replace("\r","\n"),(a=r(a)).trim&&(a.text=a.text.trim()),a}var l=document.createElement("canvas").getContext("2d");function o(t){var n,o,s,f,g=function(t){var n=devicePixelRatio,a=e(e({},i),r(t));return a.canvasWidth=t.canvasWidth||a.viewWidth*n,a.canvasHeight=t.canvasHeight||a.viewHeight*n,a}(t||{}),h=[],c=g.margin,u=g.canvasWidth-1-c.right,v=g.canvasHeight-1-c.bottom,x={x:0,y:0},d=0,m=0,p=0,y=!1;function b(){if(!o)return"";var t=o.codePointAt(d);if(void 0===t)return"";var e=String.fromCodePoint(t).length;return o.slice(d,d+e)}function w(){f&&O(),f={options:g,lines:[]},s=null,l.clearRect(0,0,l.canvas.width,l.canvas.height),x={x:c.left,y:c.top}}function j(){var t=n;(f||w(),A(),0===f.lines.length)?x={x:c.left+t.margin.left,y:c.top}:v-(x.y+t.lineHeight)<t.lineHeight?(w(),x={x:c.left+t.margin.left,y:c.top}):(x.x=c.left+t.margin.left,x.y+=t.lineHeight);s={chars:[],isLastLine:!1,fragmentOptions:t,offset:e({},x)}}function A(){s&&(f.lines.push(s),s=null)}function H(){s&&(s.isLastLine=!0),A()}function O(){f&&(s&&A(),h.push(f),f=null)}for(var S=0,P=g.fragments||[];S<P.length;S++){var L=P[S];for(H(),L=n=a(t,L),l.font=L.fontWeight+" "+L.fontSize+"px "+L.fontFamily,j(),0===f.lines.length&&(p=0),L.marginCollapse&&y?p=Math.max(L.margin.top,p):p+=L.margin.top,f.lines.length>0&&(x.y+p+L.lineHeight>v+1?(s=null,O(),j()):x.y+=p),0!==f.lines.length||L.noHeadMargin||(x.y=c.top+L.margin.top),L.textIndent>0&&(x.x+=L.textIndent),s.offset.x=x.x,s.offset.y=x.y,m=u-L.margin.right,o=L.text,d=0;d<o.length;){var W=b(),M=W.length,z=l.measureText(W).width,k=m+1-x.x;if("\n"===W)H(),j(),W=null,z=0;else if(k<z){for(var I=W,R=void 0,T=d,C=s.chars.length-1;C>=0;--C){if(R=s.chars[C],!g.lineStartProhibitedMarks.includes(I)&&!g.lineEndProhibitedMarks.includes(R)&&!g.unbreakableRule.test(R+I)){M=(W=I).length,z=l.measureText(W).width,d=T,s.chars=s.chars.slice(0,C+1);break}T-=I.length,I=R}j()}W&&s.chars.push(W),x.x+=z,d+=M}p=L.margin.bottom,y=L.marginCollapse}return H(),O(),h}function s(e,n,i){if(i){var r=i.fragmentOptions,a=r.rtl?i.chars.slice(0).reverse():i.chars,l=n.margin,o=r.margin;!function(t,e,n){var i=e;if(i){t.font=i.fontWeight+" "+i.fontSize+"px "+i.fontFamily,t.fillStyle=i.color,t.direction="ltr";var r=i.textAlign;n.isLastLine&&"justify"===i.textAlign&&(r=i.textAlignLast),"start"===r?t.textAlign=i.rtl?"right":"left":"end"===r?t.textAlign=i.rtl?"left":"right":["center","left","right"].includes(r)?t.textAlign=r:t.textAlign="left",t.textBaseline="middle"}}(e,r,i);var s=i.offset,f=s.x,g=s.y,h=r.textAlign===t.justify,c=f-l.left-r.margin.left;if(g+=r.lineHeight/2,h&&i.isLastLine&&r.textAlignLast!==t.justify&&(h=!1),h){var u=e.measureText(a.join("")).width,v=(n.canvasWidth-u-l.left-l.right-o.left-o.right-c)/(a.length-1);r.rtl&&(f-=c);for(var x=0;x<a.length;++x)e.fillText(a[x],Math.round(f),g),f+=e.measureText(a[x]).width+v}else"center"===e.textAlign?f=e.canvas.width/2:"right"===e.textAlign&&(f=n.canvasWidth-l.right-r.margin.right-c),e.fillText(a.join(""),f,g);i=null}}function f(t,e,n){if(!t)throw Error("error: text-frame - must provide drawing context!");if(e){var i=Math.round(e.options.canvasWidth),r=Math.round(e.options.canvasHeight);(n||t.canvas.width!==i||t.canvas.height!==r)&&(t.canvas.width=i,t.canvas.height=r);for(var a=0,l=e.lines;a<l.length;a++){var o=l[a];s(t,e.options,o)}}else t.clearRect(0,0,t.canvas.width,t.canvas.height)}export{o as computeTextFrames,f as renderFrame};
diff --git a/package-lock.json b/package-lock.json
index 234aab4..4acfc5a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,8 +1,655 @@
 {
   "name": "@mattuy/text-frame",
-  "version": "0.0.1",
-  "lockfileVersion": 1,
+  "version": "0.1.0",
+  "lockfileVersion": 2,
   "requires": true,
+  "packages": {
+    "": {
+      "name": "@mattuy/text-frame",
+      "version": "0.1.0",
+      "license": "MIT",
+      "devDependencies": {
+        "@rollup/plugin-babel": "^5.2.1",
+        "rollup": "^2.28.1",
+        "rollup-plugin-serve": "^1.0.4",
+        "rollup-plugin-terser": "^7.0.2",
+        "rollup-plugin-typescript2": "^0.27.3",
+        "typescript": "^4.0.3"
+      }
+    },
+    "node_modules/@babel/code-frame": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npm.taobao.org/@babel/code-frame/download/@babel/code-frame-7.10.4.tgz",
+      "integrity": "sha1-Fo2ho26Q2miujUnA8bSMfGJJITo=",
+      "dev": true,
+      "dependencies": {
+        "@babel/highlight": "^7.10.4"
+      }
+    },
+    "node_modules/@babel/helper-module-imports": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npm.taobao.org/@babel/helper-module-imports/download/@babel/helper-module-imports-7.10.4.tgz?cache=0&sync_timestamp=1593522826853&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40babel%2Fhelper-module-imports%2Fdownload%2F%40babel%2Fhelper-module-imports-7.10.4.tgz",
+      "integrity": "sha1-TFxUvgS9MWcKc4J5fXW5+i5bViA=",
+      "dev": true,
+      "dependencies": {
+        "@babel/types": "^7.10.4"
+      }
+    },
+    "node_modules/@babel/helper-validator-identifier": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npm.taobao.org/@babel/helper-validator-identifier/download/@babel/helper-validator-identifier-7.10.4.tgz",
+      "integrity": "sha1-p4x6clHgH2FlEtMbEK3PUq2l4NI=",
+      "dev": true
+    },
+    "node_modules/@babel/highlight": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npm.taobao.org/@babel/highlight/download/@babel/highlight-7.10.4.tgz?cache=0&sync_timestamp=1593521095576&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40babel%2Fhighlight%2Fdownload%2F%40babel%2Fhighlight-7.10.4.tgz",
+      "integrity": "sha1-fRvf1ldTU4+r5sOFls23bZrGAUM=",
+      "dev": true,
+      "dependencies": {
+        "@babel/helper-validator-identifier": "^7.10.4",
+        "chalk": "^2.0.0",
+        "js-tokens": "^4.0.0"
+      }
+    },
+    "node_modules/@babel/types": {
+      "version": "7.11.5",
+      "resolved": "https://registry.npm.taobao.org/@babel/types/download/@babel/types-7.11.5.tgz?cache=0&sync_timestamp=1598904189191&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40babel%2Ftypes%2Fdownload%2F%40babel%2Ftypes-7.11.5.tgz",
+      "integrity": "sha1-2d5XfQElLXfGgAzuA57mT691Zi0=",
+      "dev": true,
+      "dependencies": {
+        "@babel/helper-validator-identifier": "^7.10.4",
+        "lodash": "^4.17.19",
+        "to-fast-properties": "^2.0.0"
+      }
+    },
+    "node_modules/@rollup/plugin-babel": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npm.taobao.org/@rollup/plugin-babel/download/@rollup/plugin-babel-5.2.1.tgz",
+      "integrity": "sha1-IPyPiGTcDqocVXhAhFlgaAj3KSQ=",
+      "dev": true,
+      "dependencies": {
+        "@babel/helper-module-imports": "^7.10.4",
+        "@rollup/pluginutils": "^3.1.0"
+      },
+      "engines": {
+        "node": ">= 10.0.0"
+      },
+      "peerDependencies": {
+        "@babel/core": "^7.0.0",
+        "@types/babel__core": "^7.1.9",
+        "rollup": "^1.20.0||^2.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/babel__core": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@rollup/pluginutils": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npm.taobao.org/@rollup/pluginutils/download/@rollup/pluginutils-3.1.0.tgz",
+      "integrity": "sha1-cGtFJO5tyLEDs8mVUz5a1oDAK5s=",
+      "dev": true,
+      "dependencies": {
+        "@types/estree": "0.0.39",
+        "estree-walker": "^1.0.1",
+        "picomatch": "^2.2.2"
+      },
+      "engines": {
+        "node": ">= 8.0.0"
+      },
+      "peerDependencies": {
+        "rollup": "^1.20.0||^2.0.0"
+      }
+    },
+    "node_modules/@types/estree": {
+      "version": "0.0.39",
+      "resolved": "https://registry.npm.taobao.org/@types/estree/download/@types/estree-0.0.39.tgz",
+      "integrity": "sha1-4Xfmme4bjCLSMXTKqnQiZEOJUJ8=",
+      "dev": true
+    },
+    "node_modules/@types/node": {
+      "version": "14.11.1",
+      "resolved": "https://registry.npm.taobao.org/@types/node/download/@types/node-14.11.1.tgz?cache=0&sync_timestamp=1600368053055&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40types%2Fnode%2Fdownload%2F%40types%2Fnode-14.11.1.tgz",
+      "integrity": "sha1-Vq+QKtFX52P5umPWccOc2jGTyDU=",
+      "dev": true
+    },
+    "node_modules/ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npm.taobao.org/ansi-styles/download/ansi-styles-3.2.1.tgz",
+      "integrity": "sha1-QfuyAkPlCxK+DwS43tvwdSDOhB0=",
+      "dev": true,
+      "dependencies": {
+        "color-convert": "^1.9.0"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/buffer-from": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npm.taobao.org/buffer-from/download/buffer-from-1.1.1.tgz",
+      "integrity": "sha1-MnE7wCj3XAL9txDXx7zsHyxgcO8=",
+      "dev": true
+    },
+    "node_modules/chalk": {
+      "version": "2.4.2",
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+      "resolved": "https://registry.npm.taobao.org/terser/download/terser-5.3.2.tgz?cache=0&sync_timestamp=1600354856380&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fterser%2Fdownload%2Fterser-5.3.2.tgz",
+      "integrity": "sha1-9L6pDrkpRbKgKM7veRgbm7WG568=",
+      "dev": true,
+      "dependencies": {
+        "commander": "^2.20.0",
+        "source-map": "~0.6.1",
+        "source-map-support": "~0.5.12"
+      },
+      "bin": {
+        "terser": "bin/terser"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/to-fast-properties": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npm.taobao.org/to-fast-properties/download/to-fast-properties-2.0.0.tgz?cache=0&sync_timestamp=1580550347606&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fto-fast-properties%2Fdownload%2Fto-fast-properties-2.0.0.tgz",
+      "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/tslib": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npm.taobao.org/tslib/download/tslib-2.0.1.tgz?cache=0&sync_timestamp=1596754132993&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ftslib%2Fdownload%2Ftslib-2.0.1.tgz",
+      "integrity": "sha1-QQ6w0RPltjVkkO7HSWA3JbAhtD4=",
+      "dev": true
+    },
+    "node_modules/typescript": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npm.taobao.org/typescript/download/typescript-4.0.3.tgz?cache=0&sync_timestamp=1601029293027&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ftypescript%2Fdownload%2Ftypescript-4.0.3.tgz",
+      "integrity": "sha1-FTu9Ro7wdyXB35x36LRT+NNqu6U=",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=4.2.0"
+      }
+    },
+    "node_modules/universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npm.taobao.org/universalify/download/universalify-0.1.2.tgz",
+      "integrity": "sha1-tkb2m+OULavOzJ1mOcgNwQXvqmY=",
+      "dev": true,
+      "engines": {
+        "node": ">= 4.0.0"
+      }
+    }
+  },
   "dependencies": {
     "@babel/code-frame": {
       "version": "7.10.4",
diff --git a/package.json b/package.json
index f016d56..a91d0d7 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,10 @@
 {
   "name": "@mattuy/text-frame",
-  "version": "0.0.5",
+  "version": "0.1.0",
   "private": false,
   "description": "a javascript tool to split long text into pages, with typesetting prohibition processed and unicode full support.\n一个将长文本分成若干页的js工具，处理排版禁则，支持Unicode",
   "main": "index.js",
+  "module": "esm.js",
   "directories": {
     "example": "example"
   },