From b56e00eb6151aaa76511b18e23bbc5a4c90806d6 Mon Sep 17 00:00:00 2001
From: Francisco Giordano <frangio.1@gmail.com>
Date: Mon, 2 Dec 2019 19:13:13 -0300
Subject: [PATCH] Fix documentation previews in pull requests (#2015)

* migrate to openzeppelin-docs-preview script

* update netlify configuration

* update docs-preview-script dependency

* remove old docs directory from gitignore

* update oz-docs script for live reload

* update oz-docs scripts to latest

* replace child_process.execFileSync with spawnSync

* update oz-docs-preview
---
 .gitignore              |    1 -
 netlify.toml            |    4 +-
 package-lock.json       | 4025 ++++++++++++++++++++++++++-------------
 package.json            |    7 +-
 scripts/docs.sh         |   26 -
 scripts/prepare-docs.sh |    6 +-
 scripts/prepare.js      |    6 +-
 7 files changed, 2711 insertions(+), 1364 deletions(-)
 delete mode 100755 scripts/docs.sh

diff --git a/.gitignore b/.gitignore
index d570e1555..80129dfea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,7 +43,6 @@ build/
 
 # docs artifacts
 docs/modules/api
-openzeppelin-docs
 
 # only used to package @openzeppelin/contracts
 contracts/build/
diff --git a/netlify.toml b/netlify.toml
index 71dad4c55..0447f41ad 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -1,3 +1,3 @@
 [build]
-command = "npm run docs build"
-publish = "openzeppelin-docs/build/site"
+command = "npm run docs"
+publish = "build/site"
diff --git a/package-lock.json b/package-lock.json
index cb2086fbe..d89c7a7bc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -716,21 +716,6 @@
             "is-buffer": "^2.0.2"
           }
         },
-        "bignumber.js": {
-          "version": "8.1.1",
-          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-8.1.1.tgz",
-          "integrity": "sha512-QD46ppGintwPGuL1KqmwhR0O+N2cZUg8JG/VzwI2e28sM9TqHjQB10lI4QAaMHVbLzwVLLAwEglpKPViWX+5NQ==",
-          "dev": true
-        },
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
         "eth-lib": {
           "version": "0.2.7",
           "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
@@ -802,13 +787,13 @@
           "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
           "dev": true
         },
-        "follow-redirects": {
-          "version": "1.5.10",
-          "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
-          "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
+        "find-up": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+          "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
           "dev": true,
           "requires": {
-            "debug": "=3.1.0"
+            "locate-path": "^3.0.0"
           }
         },
         "fs-extra": {
@@ -822,6 +807,12 @@
             "universalify": "^0.1.0"
           }
         },
+        "is-buffer": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.4.tgz",
+          "integrity": "sha512-Kq1rokWXOPXWuaMAqZiJW4XxsmD9zGx9q4aePabbn3qCRGedtH7Cm+zV8WETitMfu1wdh+Rvd6w5egwSngUX2A==",
+          "dev": true
+        },
         "js-sha3": {
           "version": "0.5.7",
           "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
@@ -834,6 +825,25 @@
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           "dev": true
         },
+        "locate-path": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+          "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
+          "dev": true,
+          "requires": {
+            "p-locate": "^3.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+          "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
+          "dev": true,
+          "requires": {
+            "p-limit": "^2.0.0"
+          }
+        },
         "scrypt-js": {
           "version": "2.0.3",
           "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.3.tgz",
@@ -1151,50 +1161,14 @@
       }
     },
     "@openzeppelin/contract-loader": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/@openzeppelin/contract-loader/-/contract-loader-0.4.0.tgz",
-      "integrity": "sha512-K+Pl4tn0FbxMSP0H9sgi61ayCbecpqhQmuBshelC7A3q2MlpcqWRJan0xijpwdtv6TORNd5oZNe/+f3l+GD6tw==",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/@openzeppelin/contract-loader/-/contract-loader-0.5.0.tgz",
+      "integrity": "sha512-RAUKHIaX7fPJ1snKPReFntW0WjeuDBXw3SFeJCG8uoBmbqkBK4ukXD51Fa8kRsd/aQGx1svTCTtiaFP0fg4XNw==",
       "dev": true,
       "requires": {
         "find-up": "^4.1.0",
         "fs-extra": "^8.1.0",
         "try-require": "^1.2.1"
-      },
-      "dependencies": {
-        "find-up": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
-          "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
-          "dev": true,
-          "requires": {
-            "locate-path": "^5.0.0",
-            "path-exists": "^4.0.0"
-          }
-        },
-        "locate-path": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
-          "integrity": "sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==",
-          "dev": true,
-          "requires": {
-            "p-locate": "^4.1.0"
-          }
-        },
-        "p-locate": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-4.1.0.tgz",
-          "integrity": "sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==",
-          "dev": true,
-          "requires": {
-            "p-limit": "^2.2.0"
-          }
-        },
-        "path-exists": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
-          "integrity": "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==",
-          "dev": true
-        }
       }
     },
     "@openzeppelin/gsn-helpers": {
@@ -1391,23 +1365,6 @@
         "web3": "1.2.2"
       },
       "dependencies": {
-        "@openzeppelin/contract-loader": {
-          "version": "0.5.0",
-          "resolved": "https://registry.npmjs.org/@openzeppelin/contract-loader/-/contract-loader-0.5.0.tgz",
-          "integrity": "sha512-RAUKHIaX7fPJ1snKPReFntW0WjeuDBXw3SFeJCG8uoBmbqkBK4ukXD51Fa8kRsd/aQGx1svTCTtiaFP0fg4XNw==",
-          "dev": true,
-          "requires": {
-            "find-up": "^4.1.0",
-            "fs-extra": "^8.1.0",
-            "try-require": "^1.2.1"
-          }
-        },
-        "ansi-colors": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz",
-          "integrity": "sha512-JoX0apGbHaUJBNl6yF+p6JAFYZ666/hhCGKN5t9QFjbJQKUU/g8MNbFDbvfrgKXvI1QpZplPOnwIo99lX/AAmA==",
-          "dev": true
-        },
         "eth-lib": {
           "version": "0.2.7",
           "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
@@ -1467,46 +1424,12 @@
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           }
         },
-        "find-up": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz",
-          "integrity": "sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==",
-          "dev": true,
-          "requires": {
-            "locate-path": "^5.0.0",
-            "path-exists": "^4.0.0"
-          }
-        },
         "js-sha3": {
           "version": "0.5.7",
           "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
           "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=",
           "dev": true
         },
-        "locate-path": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz",
-          "integrity": "sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==",
-          "dev": true,
-          "requires": {
-            "p-locate": "^4.1.0"
-          }
-        },
-        "p-locate": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-4.1.0.tgz",
-          "integrity": "sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==",
-          "dev": true,
-          "requires": {
-            "p-limit": "^2.2.0"
-          }
-        },
-        "path-exists": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
-          "integrity": "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==",
-          "dev": true
-        },
         "scrypt-js": {
           "version": "2.0.3",
           "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.3.tgz",
@@ -1841,6 +1764,23 @@
         "web3-utils": "^1.2.1"
       },
       "dependencies": {
+        "@openzeppelin/contract-loader": {
+          "version": "0.4.0",
+          "resolved": "https://registry.npmjs.org/@openzeppelin/contract-loader/-/contract-loader-0.4.0.tgz",
+          "integrity": "sha512-K+Pl4tn0FbxMSP0H9sgi61ayCbecpqhQmuBshelC7A3q2MlpcqWRJan0xijpwdtv6TORNd5oZNe/+f3l+GD6tw==",
+          "dev": true,
+          "requires": {
+            "find-up": "^4.1.0",
+            "fs-extra": "^8.1.0",
+            "try-require": "^1.2.1"
+          }
+        },
+        "ansi-colors": {
+          "version": "3.2.4",
+          "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.4.tgz",
+          "integrity": "sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==",
+          "dev": true
+        },
         "semver": {
           "version": "5.7.1",
           "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
@@ -1908,6 +1848,12 @@
             "is-buffer": "^2.0.2"
           }
         },
+        "bignumber.js": {
+          "version": "7.2.1",
+          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz",
+          "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==",
+          "dev": true
+        },
         "cli-cursor": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-3.1.0.tgz",
@@ -1917,15 +1863,6 @@
             "restore-cursor": "^3.1.0"
           }
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-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
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           "version": "0.2.7",
           "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
@@ -1947,15 +1884,6 @@
             "ethereumjs-util": "^6.0.0"
           }
         },
-        "follow-redirects": {
-          "version": "1.5.10",
-          "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
-          "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
-          "dev": true,
-          "requires": {
-            "debug": "=3.1.0"
-          }
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         "glob": {
           "version": "7.1.6",
           "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
@@ -1970,6 +1898,12 @@
             "path-is-absolute": "^1.0.0"
           }
         },
+        "is-buffer": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.4.tgz",
+          "integrity": "sha512-Kq1rokWXOPXWuaMAqZiJW4XxsmD9zGx9q4aePabbn3qCRGedtH7Cm+zV8WETitMfu1wdh+Rvd6w5egwSngUX2A==",
+          "dev": true
+        },
         "js-sha3": {
           "version": "0.5.7",
           "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
@@ -2565,24 +2499,24 @@
       }
     },
     "@truffle/blockchain-utils": {
-      "version": "0.0.15",
-      "resolved": "https://registry.npmjs.org/@truffle/blockchain-utils/-/blockchain-utils-0.0.15.tgz",
-      "integrity": "sha512-VvUk/073Xct8P3IarvKo8xOlHigO45Nl6qCbGYLCE7RQc9wArrxlfHAgztnwimC5D6JiNTXu6JU2Qiszb3Eptg==",
+      "version": "0.0.16",
+      "resolved": "https://registry.npmjs.org/@truffle/blockchain-utils/-/blockchain-utils-0.0.16.tgz",
+      "integrity": "sha512-OAADN8dAEEGmEb2PzevKhDMMWMEpdU2udk8bzXa69cLjXgHDlnzlZN7RwMkd4KtsSgubGWQegXDll2p0AS2WLA==",
       "dev": true,
       "requires": {
-        "@truffle/provider": "^0.2.2"
+        "@truffle/provider": "^0.2.3"
       }
     },
     "@truffle/contract": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/@truffle/contract/-/contract-4.1.0.tgz",
-      "integrity": "sha512-CVAv7rvRtt6dS9zUB3zrWkbV2RbwWxGbSOq/33NMHCj+Envt+G2a6NIAexYADk6zLhHhCc1K2/wH7HElM3CKcQ==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/@truffle/contract/-/contract-4.1.1.tgz",
+      "integrity": "sha512-jze+xqFkiFYlFles6aLGjlgKkqyRFMH7GYyEetmtzst4zbyA6pIJ1+gqlo+q39qsKtdppMe1wehvlray3J3CEg==",
       "dev": true,
       "requires": {
-        "@truffle/blockchain-utils": "^0.0.15",
+        "@truffle/blockchain-utils": "^0.0.16",
         "@truffle/contract-schema": "^3.0.19",
         "@truffle/error": "^0.0.8",
-        "@truffle/interface-adapter": "^0.3.3",
+        "@truffle/interface-adapter": "^0.4.0",
         "bignumber.js": "^7.2.1",
         "ethereum-ens": "^0.7.7",
         "ethers": "^4.0.0-beta.1",
@@ -2592,6 +2526,18 @@
         "web3-utils": "1.2.2"
       },
       "dependencies": {
+        "@truffle/error": {
+          "version": "0.0.8",
+          "resolved": "https://registry.npmjs.org/@truffle/error/-/error-0.0.8.tgz",
+          "integrity": "sha512-x55rtRuNfRO1azmZ30iR0pf0OJ6flQqbax1hJz+Avk1K5fdmOv5cr22s9qFnwTWnS6Bw0jvJEoR0ITsM7cPKtQ==",
+          "dev": true
+        },
+        "bignumber.js": {
+          "version": "7.2.1",
+          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz",
+          "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==",
+          "dev": true
+        },
         "eth-lib": {
           "version": "0.2.7",
           "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
@@ -2660,9 +2606,9 @@
           },
           "dependencies": {
             "@types/node": {
-              "version": "10.17.5",
-              "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.5.tgz",
-              "integrity": "sha512-RElZIr/7JreF1eY6oD5RF3kpmdcreuQPjg5ri4oQ5g9sq7YWU8HkfB3eH8GwAwxf5OaCh0VPi7r4N/yoTGelrA==",
+              "version": "10.17.6",
+              "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.6.tgz",
+              "integrity": "sha512-0a2X6cgN3RdPBL2MIlR6Lt0KlM7fOFsutuXcdglcOq6WvLnYXgPQSh0Mx6tO1KCAE8MxbHSOSTWDoUxRq+l3DA==",
               "dev": true
             }
           }
@@ -2772,9 +2718,9 @@
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           "dependencies": {
             "@types/node": {
-              "version": "10.17.5",
-              "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.5.tgz",
-              "integrity": "sha512-RElZIr/7JreF1eY6oD5RF3kpmdcreuQPjg5ri4oQ5g9sq7YWU8HkfB3eH8GwAwxf5OaCh0VPi7r4N/yoTGelrA==",
+              "version": "10.17.6",
+              "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.6.tgz",
+              "integrity": "sha512-0a2X6cgN3RdPBL2MIlR6Lt0KlM7fOFsutuXcdglcOq6WvLnYXgPQSh0Mx6tO1KCAE8MxbHSOSTWDoUxRq+l3DA==",
               "dev": true
             },
             "elliptic": {
@@ -3020,15 +2966,15 @@
       }
     },
     "@truffle/error": {
-      "version": "0.0.8",
-      "resolved": "https://registry.npmjs.org/@truffle/error/-/error-0.0.8.tgz",
-      "integrity": "sha512-x55rtRuNfRO1azmZ30iR0pf0OJ6flQqbax1hJz+Avk1K5fdmOv5cr22s9qFnwTWnS6Bw0jvJEoR0ITsM7cPKtQ==",
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           "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
           "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==",
           "dev": true
         },
+        "locate-path": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+          "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
+          "dev": true,
+          "requires": {
+            "p-locate": "^3.0.0",
+            "path-exists": "^3.0.0"
+          }
+        },
         "lodash": {
           "version": "4.17.15",
           "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
           "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
           "dev": true
         },
+        "p-locate": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+          "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
+          "dev": true,
+          "requires": {
+            "p-limit": "^2.0.0"
+          }
+        },
         "require-main-filename": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
@@ -34253,6 +35632,12 @@
             "strip-ansi": "^5.0.0"
           }
         },
+        "y18n": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+          "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+          "dev": true
+        },
         "yargs": {
           "version": "13.3.0",
           "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.0.tgz",
@@ -34270,16 +35655,6 @@
             "y18n": "^4.0.0",
             "yargs-parser": "^13.1.1"
           }
-        },
-        "yargs-parser": {
-          "version": "13.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
-          "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
-          "dev": true,
-          "requires": {
-            "camelcase": "^5.0.0",
-            "decamelize": "^1.2.0"
-          }
         }
       }
     },
diff --git a/package.json b/package.json
index 2cacbe8a3..702af1b24 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
   "scripts": {
     "compile": "scripts/compile.sh",
     "coverage": "scripts/coverage.sh",
-    "docs": "scripts/docs.sh",
+    "docs": "oz-docs -c docs",
+    "docs:watch": "npm run docs watch contracts 'docs/*.hbs'",
     "prepare-docs": "scripts/prepare-docs.sh",
     "lint": "npm run lint:js && npm run lint:sol",
     "lint:fix": "npm run lint:js:fix",
@@ -49,7 +50,6 @@
     "@openzeppelin/test-environment": "^0.1.1",
     "@openzeppelin/test-helpers": "^0.5.4",
     "chai": "^4.2.0",
-    "concurrently": "^5.0.0",
     "eslint": "^6.5.1",
     "eslint-config-standard": "^14.1.0",
     "eslint-plugin-import": "^2.18.2",
@@ -59,11 +59,10 @@
     "eslint-plugin-standard": "^4.0.1",
     "ethereumjs-util": "^6.2.0",
     "ganache-core-coverage": "https://github.com/OpenZeppelin/ganache-core-coverage/releases/download/2.5.3-coverage/ganache-core-coverage-2.5.3.tgz",
-    "http-server": "^0.11.1",
     "lodash.startcase": "^4.4.0",
     "micromatch": "^4.0.2",
     "mocha": "^6.2.2",
-    "nodemon": "^2.0.1",
+    "openzeppelin-docs-preview": "github:OpenZeppelin/docs-preview-script",
     "solhint": "2.3.0",
     "solidity-coverage": "github:rotcivegaf/solidity-coverage#5875f5b7bc74d447f3312c9c0e9fc7814b482477",
     "solidity-docgen": "^0.3.13"
diff --git a/scripts/docs.sh b/scripts/docs.sh
deleted file mode 100755
index b1bcf0d38..000000000
--- a/scripts/docs.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/usr/bin/env bash
-
-if [ "$1" != "build" -a "$1" != "start" ];then
-  echo "usage: npm run docs (build|start)" >&2
-  exit 1
-fi
-
-set -o errexit
-
-if [ ! -d openzeppelin-docs ]; then
-  git clone https://github.com/frangio/openzeppelin-docs.git openzeppelin-docs
-fi
-
-git -C openzeppelin-docs pull -q
-
-if [ "$1" = "build" ]; then
-  npm run prepare-docs
-  cd docs
-  env DISABLE_PREPARE_DOCS= node ../openzeppelin-docs/build-local.js
-
-elif [ "$1" = "start" ]; then
-  npx concurrently \
-    'nodemon --delay 1 -e "*" -w contracts -w "docs/*.hbs" -x npm run prepare-docs' \
-    'cd docs; env DISABLE_PREPARE_DOCS= nodemon --delay 1 -e adoc,yml ../openzeppelin-docs/build-local.js' \
-    'http-server -c-1 openzeppelin-docs/build/site'
-fi
diff --git a/scripts/prepare-docs.sh b/scripts/prepare-docs.sh
index ffd10397f..5fc082437 100755
--- a/scripts/prepare-docs.sh
+++ b/scripts/prepare-docs.sh
@@ -1,8 +1,12 @@
 #!/usr/bin/env bash
 
+set -o errexit
+
 OUTDIR=docs/modules/api/pages/
 
-npm ci
+if [ ! -d node_modules ]; then
+  npm ci
+fi
 
 rm -rf "$OUTDIR"
 solidity-docgen -t docs -o "$OUTDIR" -e contracts/mocks,contracts/examples
diff --git a/scripts/prepare.js b/scripts/prepare.js
index 7ba752346..2e69591f0 100644
--- a/scripts/prepare.js
+++ b/scripts/prepare.js
@@ -7,15 +7,11 @@ const path = require('path');
 const cp = require('child_process');
 const match = require('micromatch');
 
-function exec (cmd, ...args) {
-  cp.execFileSync(cmd, args, { stdio: 'inherit' });
-}
-
 function readJSON (path) {
   return JSON.parse(fs.readFileSync(path));
 }
 
-exec('npm', 'run', 'compile');
+cp.spawnSync('npm', ['run', 'compile'], { stdio: 'inherit' });
 
 const pkgFiles = readJSON('package.json').files;