Make pdf.js render CJK characterssh-add-cmaps-for-pdfjs

As mentioned in
https://github.com/wojtekmaj/react-pdf/blob/master/README.md,
pdf.js needs the bundled cMaps files to work.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/62152

5 files changed, 107 insertions, 47 deletions

diff --git a/app/assets/javascripts/pdf/index.vue b/app/assets/javascripts/pdf/index.vue
index 6d39abd4a1f..75feeb1ba04 100644
--- a/app/assets/javascripts/pdf/index.vue
+++ b/app/assets/javascripts/pdf/index.vue
@@ -35,7 +35,11 @@ export default {
     load() {
       this.pages = [];
       return pdfjsLib
-        .getDocument(this.document)
+        .getDocument({
+          url: this.document,
+          cMapUrl: '/assets/webpack/cmaps/',
+          cMapPacked: true,
+        })
         .then(this.renderPages)
         .then(() => this.$emit('pdflabload'))
         .catch(error => this.$emit('pdflaberror', error))
diff --git a/changelogs/unreleased/sh-add-cmaps-for-pdfjs.yml b/changelogs/unreleased/sh-add-cmaps-for-pdfjs.yml
new file mode 100644
index 00000000000..f4686484e33
--- /dev/null
+++ b/changelogs/unreleased/sh-add-cmaps-for-pdfjs.yml
@@ -0,0 +1,5 @@
+---
+title: Make pdf.js render CJK characters
+merge_request: 31220
+author:
+type: fixed
diff --git a/config/webpack.config.js b/config/webpack.config.js
index cd793743eb7..4b6a9e4b99e 100644
--- a/config/webpack.config.js
+++ b/config/webpack.config.js
@@ -6,6 +6,7 @@ const StatsWriterPlugin = require('webpack-stats-plugin').StatsWriterPlugin;
 const CompressionPlugin = require('compression-webpack-plugin');
 const MonacoWebpackPlugin = require('monaco-editor-webpack-plugin');
 const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
+const CopyWebpackPlugin = require('copy-webpack-plugin');
 
 const ROOT_PATH = path.resolve(__dirname, '..');
 const CACHE_PATH = process.env.WEBPACK_CACHE_PATH || path.join(ROOT_PATH, 'tmp/cache');
@@ -278,6 +279,13 @@ module.exports = {
       }
     }),
 
+    new CopyWebpackPlugin([
+      {
+        from: path.join(ROOT_PATH, 'node_modules/pdfjs-dist/cmaps/'),
+        to: path.join(ROOT_PATH, 'public/assets/webpack/cmaps/'),
+      },
+    ]),
+
     // compression can require a lot of compute time and is disabled in CI
     IS_PRODUCTION && !NO_COMPRESSION && new CompressionPlugin(),
 
diff --git a/package.json b/package.json
index 773918524f9..dfa8e8fe4d7 100644
--- a/package.json
+++ b/package.json
@@ -56,6 +56,7 @@
     "clipboard": "^1.7.1",
     "codesandbox-api": "^0.0.20",
     "compression-webpack-plugin": "^2.0.0",
+    "copy-webpack-plugin": "^5.0.4",
     "core-js": "^3.1.3",
     "cropper": "^2.3.0",
     "css-loader": "^1.0.0",
diff --git a/yarn.lock b/yarn.lock
index 7095ff706c2..d0e43363977 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2180,10 +2180,10 @@ bfj@^6.1.1:
     hoopy "^0.1.2"
     tryer "^1.0.0"
 
-big.js@^3.1.3:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.2.0.tgz#a5fc298b81b9e0dca2e458824784b65c52ba588e"
-  integrity sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q==
+big.js@^5.2.2:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
+  integrity sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==
 
 binary-extensions@^1.0.0:
   version "1.11.0"
@@ -2207,10 +2207,10 @@ block-stream@*:
   dependencies:
     inherits "~2.0.0"
 
-bluebird@^3.1.1, bluebird@^3.3.0, bluebird@^3.5.1, bluebird@^3.5.3, bluebird@~3.5.0:
-  version "3.5.3"
-  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
-  integrity sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==
+bluebird@^3.1.1, bluebird@^3.3.0, bluebird@^3.5.1, bluebird@^3.5.5, bluebird@~3.5.0:
+  version "3.5.5"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
+  integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
 
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
   version "4.11.8"
@@ -2469,22 +2469,22 @@ bytes@3.0.0:
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
   integrity sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
 
-cacache@^11.0.2, cacache@^11.2.0:
-  version "11.3.2"
-  resolved "https://registry.yarnpkg.com/cacache/-/cacache-11.3.2.tgz#2d81e308e3d258ca38125b676b98b2ac9ce69bfa"
-  integrity sha512-E0zP4EPGDOaT2chM08Als91eYnf8Z+eH1awwwVsngUmgppfM5jjJ8l3z5vO5p5w/I3LsiXawb1sW0VY65pQABg==
+cacache@^11.0.2, cacache@^11.2.0, cacache@^11.3.3:
+  version "11.3.3"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-11.3.3.tgz#8bd29df8c6a718a6ebd2d010da4d7972ae3bbadc"
+  integrity sha512-p8WcneCytvzPxhDvYp31PD039vi77I12W+/KfR9S8AZbaiARFBCpsPJS+9uhWfeBfeAtW7o/4vt3MUqLkbY6nA==
   dependencies:
-    bluebird "^3.5.3"
+    bluebird "^3.5.5"
     chownr "^1.1.1"
     figgy-pudding "^3.5.1"
-    glob "^7.1.3"
+    glob "^7.1.4"
     graceful-fs "^4.1.15"
     lru-cache "^5.1.1"
     mississippi "^3.0.0"
     mkdirp "^0.5.1"
     move-concurrently "^1.0.1"
     promise-inflight "^1.0.1"
-    rimraf "^2.6.2"
+    rimraf "^2.6.3"
     ssri "^6.0.1"
     unique-filename "^1.1.1"
     y18n "^4.0.0"
@@ -3204,6 +3204,24 @@ copy-to-clipboard@^3.0.8:
   dependencies:
     toggle-selection "^1.0.3"
 
+copy-webpack-plugin@^5.0.4:
+  version "5.0.4"
+  resolved "https://registry.yarnpkg.com/copy-webpack-plugin/-/copy-webpack-plugin-5.0.4.tgz#c78126f604e24f194c6ec2f43a64e232b5d43655"
+  integrity sha512-YBuYGpSzoCHSSDGyHy6VJ7SHojKp6WHT4D7ItcQFNAYx2hrwkMe56e97xfVR0/ovDuMTrMffXUiltvQljtAGeg==
+  dependencies:
+    cacache "^11.3.3"
+    find-cache-dir "^2.1.0"
+    glob-parent "^3.1.0"
+    globby "^7.1.1"
+    is-glob "^4.0.1"
+    loader-utils "^1.2.3"
+    minimatch "^3.0.4"
+    normalize-path "^3.0.0"
+    p-limit "^2.2.0"
+    schema-utils "^1.0.0"
+    serialize-javascript "^1.7.0"
+    webpack-log "^2.0.0"
+
 core-js-compat@^3.1.1:
   version "3.1.4"
   resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.1.4.tgz#e4d0c40fbd01e65b1d457980fe4112d4358a7408"
@@ -4063,7 +4081,7 @@ diffie-hellman@^5.0.0:
     miller-rabin "^4.0.0"
     randombytes "^2.0.0"
 
-dir-glob@^2.2.2:
+dir-glob@^2.0.0, dir-glob@^2.2.2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-2.2.2.tgz#fa09f0694153c8918b18ba0deafae94769fc50c4"
   integrity sha512-f9LBi5QWzIW3I6e//uxZoLBlUt9kcp66qo0sSCxL6YZKc75R1c4MFCoe/LaZiBGmgujvQdxc5Bn3QhfyvK5Hsw==
@@ -5164,13 +5182,13 @@ finalhandler@1.1.1:
     statuses "~1.4.0"
     unpipe "~1.0.0"
 
-find-cache-dir@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-2.0.0.tgz#4c1faed59f45184530fb9d7fa123a4d04a98472d"
-  integrity sha512-LDUY6V1Xs5eFskUVYtIwatojt6+9xC9Chnlk/jYOOvn3FAFfSaWddxahDGyNHh0b2dMXa6YW2m0tk8TdVaXHlA==
+find-cache-dir@^2.0.0, find-cache-dir@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-2.1.0.tgz#8d0f94cd13fe43c6c7c261a0d86115ca918c05f7"
+  integrity sha512-Tq6PixE0w/VMFfCgbONnkiQIVol/JJL7nRMi20fqzA4NRs9AfeqMGeRdPi3wIhYkxjeBaWh2rxwapn5Tu3IqOQ==
   dependencies:
     commondir "^1.0.1"
-    make-dir "^1.0.0"
+    make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
 find-root@^1.0.0, find-root@^1.1.0:
@@ -5528,7 +5546,7 @@ glob-to-regexp@^0.4.0:
   resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.4.1.tgz#c75297087c851b9a578bd217dd59a92f59fe546e"
   integrity sha512-lkX1HJXwyMcprw/5YUZc2s7DrpAiHB21/V+E1rHUrVNokkvB6bqMzT0VfV6/86ZNabt1k14YOIaT7nDvOX3Iiw==
 
-"glob@5 - 7", glob@^7.0.0, glob@^7.0.3, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@~7.1.1:
+"glob@5 - 7", glob@^7.0.0, glob@^7.0.3, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4, glob@~7.1.1:
   version "7.1.4"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
   integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
@@ -5621,6 +5639,18 @@ globby@^6.1.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+globby@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-7.1.1.tgz#fb2ccff9401f8600945dfada97440cca972b8680"
+  integrity sha1-+yzP+UAfhgCUXfral0QMypcrhoA=
+  dependencies:
+    array-union "^1.0.1"
+    dir-glob "^2.0.0"
+    glob "^7.1.2"
+    ignore "^3.3.5"
+    pify "^3.0.0"
+    slash "^1.0.0"
+
 globby@^9.2.0:
   version "9.2.0"
   resolved "https://registry.yarnpkg.com/globby/-/globby-9.2.0.tgz#fd029a706c703d29bdd170f4b6db3a3f7a7cb63d"
@@ -6120,6 +6150,11 @@ ignore-walk@^3.0.1:
   dependencies:
     minimatch "^3.0.4"
 
+ignore@^3.3.5:
+  version "3.3.10"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.10.tgz#0a97fb876986e8081c631160f8f9f389157f0043"
+  integrity sha512-Pgs951kaMm5GXP7MOvxERINe3gsaVjUWFm+UZPSq9xYriQAksyhg0csnS0KXSNRD5NmNdapXEpjxG49+AKh/ug==
+
 ignore@^4.0.3, ignore@^4.0.6:
   version "4.0.6"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.6.tgz#750e3db5862087b4737ebac8207ffd1ef27b25fc"
@@ -6482,10 +6517,10 @@ is-glob@^3.1.0:
   dependencies:
     is-extglob "^2.1.0"
 
-is-glob@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.0.tgz#9521c76845cc2610a85203ddf080a958c2ffabc0"
-  integrity sha1-lSHHaEXMJhCoUgPd8ICpWML/q8A=
+is-glob@^4.0.0, is-glob@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
+  integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
   dependencies:
     is-extglob "^2.1.1"
 
@@ -7379,10 +7414,12 @@ json5@2.x, json5@^2.1.0:
   dependencies:
     minimist "^1.2.0"
 
-json5@^0.5.0:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
-  integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
+json5@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-1.0.1.tgz#779fb0018604fa854eacbf6252180d83543e3dbe"
+  integrity sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==
+  dependencies:
+    minimist "^1.2.0"
 
 jsonparse@^1.2.0:
   version "1.3.1"
@@ -7682,14 +7719,14 @@ loader-runner@^2.3.0:
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
   integrity sha1-9IKuqC1UPgeSFwDVpG7yb9rGuKI=
 
-loader-utils@^1.0.0, loader-utils@^1.0.2, loader-utils@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.1.0.tgz#c98aef488bcceda2ffb5e2de646d6a754429f5cd"
-  integrity sha1-yYrvSIvM7aL/teLeZG1qdUQp9c0=
+loader-utils@^1.0.0, loader-utils@^1.0.2, loader-utils@^1.1.0, loader-utils@^1.2.3:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.2.3.tgz#1ff5dc6911c9f0a062531a4c04b609406108c2c7"
+  integrity sha512-fkpz8ejdnEMG3s37wGL07iSBDg99O9D5yflE9RGNH3hRdx9SOwYfnGYdZOUIZitN8E+E2vkq3MUMYMvPYl5ZZA==
   dependencies:
-    big.js "^3.1.3"
+    big.js "^5.2.2"
     emojis-list "^2.0.0"
-    json5 "^0.5.0"
+    json5 "^1.0.1"
 
 locate-path@^2.0.0:
   version "2.0.0"
@@ -7862,7 +7899,7 @@ make-dir@^1.0.0, make-dir@^1.3.0:
   dependencies:
     pify "^3.0.0"
 
-make-dir@^2.1.0:
+make-dir@^2.0.0, make-dir@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-2.1.0.tgz#5f0310e18b8be898cc07009295a30ae41e91e6f5"
   integrity sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==
@@ -8956,7 +8993,7 @@ p-limit@^1.1.0:
   dependencies:
     p-try "^1.0.0"
 
-p-limit@^2.0.0:
+p-limit@^2.0.0, p-limit@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.2.0.tgz#417c9941e6027a9abcba5092dd2904e255b5fbc2"
   integrity sha512-pZbTJpoUsCzV48Mc9Nh51VbwO0X9cuPFE8gYwx9BTCt9SF8/b7Zljd2fVgOxhIF/HDTKgpVzs+GPhyKfjLLFRQ==
@@ -9245,9 +9282,9 @@ pbkdf2@^3.0.3:
     sha.js "^2.4.8"
 
 pdfjs-dist@^2.0.943:
-  version "2.0.943"
-  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.0.943.tgz#32fb9a2d863df5a1d89521a0b3cd900c16e7edde"
-  integrity sha512-iLhNcm4XceTHRaSU5o22ZGCm4YpuW5+rf4+BJFH/feBhMQLbCGBry+Jet8Q419QDI4qgARaIQzXuiNrsNWS8Yw==
+  version "2.1.266"
+  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.1.266.tgz#cded02268b389559e807f410d2a729db62160026"
+  integrity sha512-Jy7o1wE3NezPxozexSbq4ltuLT0Z21ew/qrEiAEeUZzHxMHGk4DUV1D7RuCXg5vJDvHmjX1YssN+we9QfRRgXQ==
   dependencies:
     node-ensure "^0.0.0"
     worker-loader "^2.0.0"
@@ -10542,7 +10579,7 @@ rfdc@^1.1.2:
   resolved "https://registry.yarnpkg.com/rfdc/-/rfdc-1.1.2.tgz#e6e72d74f5dc39de8f538f65e00c36c18018e349"
   integrity sha512-92ktAgvZhBzYTIK0Mja9uen5q5J3NRVMoDkJL2VMwq6SXjVCgqvQeVP2XAaUY6HT+XpQYeLSjb3UoitBryKmdA==
 
-rimraf@2, rimraf@2.6.3, rimraf@^2.2.8, rimraf@^2.5.4, rimraf@^2.6.0, rimraf@^2.6.1, rimraf@^2.6.2, rimraf@^2.6.3:
+rimraf@2, rimraf@2.6.3, rimraf@^2.2.8, rimraf@^2.5.4, rimraf@^2.6.0, rimraf@^2.6.1, rimraf@^2.6.3:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
   integrity sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==
@@ -10760,10 +10797,10 @@ send@0.16.2:
     range-parser "~1.2.0"
     statuses "~1.4.0"
 
-serialize-javascript@^1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.4.0.tgz#7c958514db6ac2443a8abc062dc9f7886a7f6005"
-  integrity sha1-fJWFFNtqwkQ6irwGLcn3iGp/YAU=
+serialize-javascript@^1.4.0, serialize-javascript@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.7.0.tgz#d6e0dfb2a3832a8c94468e6eb1db97e55a192a65"
+  integrity sha512-ke8UG8ulpFOxO8f8gRYabHQe/ZntKlcig2Mp+8+URDP1D8vJZ0KUt7LYo07q25Z/+JVSgpr/cui9PIp5H6/+nA==
 
 serve-index@^1.7.2:
   version "1.9.1"
@@ -10881,6 +10918,11 @@ sisteransi@^1.0.0:
   resolved "https://registry.yarnpkg.com/sisteransi/-/sisteransi-1.0.0.tgz#77d9622ff909080f1c19e5f4a1df0c1b0a27b88c"
   integrity sha512-N+z4pHB4AmUv0SjveWRd6q1Nj5w62m5jodv+GD8lvmbY/83T/rpbJGZOnK5T149OldDj4Db07BSv9xY4K6NTPQ==
 
+slash@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
+  integrity sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=
+
 slash@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-2.0.0.tgz#de552851a1759df3a8f206535442f5ec4ddeab44"